2 * Copyright (c) 1999-2016 Apple Inc. All rights reserved.
4 * @APPLE_LICENSE_HEADER_START@
6 * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7 * Reserved. This file contains Original Code and/or Modifications of
8 * Original Code as defined in and that are subject to the Apple Public
9 * Source License Version 1.0 (the 'License'). You may not use this file
10 * except in compliance with the License. Please obtain a copy of the
11 * License at http://www.apple.com/publicsource and read it before using
14 * The Original Code and all software distributed under the License are
15 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19 * License for the specific language governing rights and limitations
22 * @APPLE_LICENSE_HEADER_END@
26 * SDKROOT=macosx.internal cc -I`xcrun -sdk macosx.internal --show-sdk-path`/System/Library/Frameworks/System.framework/Versions/B/PrivateHeaders -arch x86_64 -Os -lktrace -lutil -o fs_usage fs_usage.c
43 #include <ktrace/session.h>
44 #include <System/sys/kdebug.h>
48 #include <sys/fcntl.h>
50 #include <sys/ioctl.h>
52 #include <sys/param.h>
53 #include <sys/socket.h>
54 #include <sys/syslimits.h>
56 #include <sys/types.h>
58 #import <mach/clock_types.h>
59 #import <mach/mach_time.h>
62 * MAXCOLS controls when extra data kicks in.
63 * MAX_WIDE_MODE_COLS controls -w mode to get even wider data in path.
66 #define MAX_WIDE_MODE_COLS 264
67 #define MAXWIDTH MAX_WIDE_MODE_COLS + 64
69 typedef struct th_info
{
73 /* this is needed for execve()/posix_spawn(), because the command name at the end probe is the new name, which we don't want */
74 char command
[MAXCOMLEN
+ 1];
77 * sometimes a syscall can cause multiple VFS_LOOKUPs of the same vnode with multiple paths
78 * (e.g., one absolute, one relative). traditional fs_usage behavior was to display the
79 * *first* lookup, so we need to save it off once we see it.
81 uint64_t vnodeid
; /* the vp of the VFS_LOOKUP we're currently in, 0 if we are not in one */
82 char pathname
[MAXPATHLEN
];
83 char pathname2
[MAXPATHLEN
];
84 char *newest_pathname
; /* points to pathname2 if it's filled, otherwise pathname if it's filled, otherwise NULL */
111 uint64_t issuing_thread
;
113 uint64_t completion_thread
;
114 char issuing_command
[MAXCOMLEN
+ 1];
115 uint64_t issued_time
;
116 uint64_t completed_time
;
117 struct timeval completed_walltime
;
121 #define HASH_SIZE 1024
122 #define HASH_MASK (HASH_SIZE - 1)
124 void setup_ktrace_callbacks(void);
125 void extend_syscall(uint64_t thread
, int type
, ktrace_event_t event
);
127 /* printing routines */
128 bool check_filter_mode(pid_t pid
, th_info_t ti
, uint64_t type
, int error
, int retval
, char *sc_name
);
129 void format_print(th_info_t ti
, char *sc_name
, ktrace_event_t event
, uint64_t type
, int format
, uint64_t now
, uint64_t stime
, int waited
, const char *pathname
, struct diskio
*dio
);
130 int print_open(ktrace_event_t event
, uint64_t flags
);
132 /* metadata info hash routines */
133 void meta_add_name(uint64_t blockno
, const char *pathname
);
134 const char *meta_find_name(uint64_t blockno
);
135 void meta_delete_all(void);
137 /* event ("thread info") routines */
138 void event_enter(int type
, ktrace_event_t event
);
139 void event_exit(char *sc_name
, int type
, ktrace_event_t event
, int format
);
140 th_info_t
event_find(uint64_t thread
, int type
);
141 void event_delete(th_info_t ti_to_delete
);
142 void event_delete_all(void);
143 void event_mark_thread_waited(uint64_t);
145 /* network fd set routines */
146 void fd_set_is_network(pid_t pid
, uint64_t fd
, bool set
);
147 bool fd_is_network(pid_t pid
, uint64_t fd
);
148 void fd_clear_pid(pid_t pid
);
149 void fd_clear_all(void);
151 /* shared region address lookup routines */
152 void init_shared_cache_mapping(void);
153 void lookup_name(uint64_t user_addr
, char **type
, char **name
);
155 /* disk I/O tracking routines */
156 struct diskio
*diskio_start(uint64_t type
, uint64_t bp
, uint64_t dev
, uint64_t blkno
, uint64_t iosize
, ktrace_event_t event
);
157 struct diskio
*diskio_find(uint64_t bp
);
158 struct diskio
*diskio_complete(uint64_t bp
, uint64_t io_errno
, uint64_t resid
, uint64_t thread
, uint64_t curtime
, struct timeval curtime_wall
);
159 void diskio_print(struct diskio
*dio
);
160 void diskio_free(struct diskio
*dio
);
162 /* disk name routines */
165 char *generate_cs_disk_name(uint64_t dev
, char *s
);
166 char *find_disk_name(uint64_t dev
);
167 void cache_disk_names(void);
169 #define CLASS_MASK 0xff000000
170 #define CSC_MASK 0xffff0000
171 #define BSC_INDEX(type) ((type >> 2) & 0x3fff)
173 #define MACH_vmfault 0x01300008
174 #define MACH_pageout 0x01300004
175 #define MACH_sched 0x01400000
176 #define MACH_stkhandoff 0x01400008
177 #define MACH_idle 0x01400024
179 #define BSC_thread_terminate 0x040c05a4
181 #define HFS_update 0x3018000
182 #define HFS_modify_block_end 0x3018004
184 #define Throttled 0x3010184
185 #define SPEC_ioctl 0x3060000
186 #define SPEC_unmap_info 0x3060004
187 #define proc_exit 0x4010004
189 #define BC_IO_HIT 0x03070010
190 #define BC_IO_HIT_STALLED 0x03070020
191 #define BC_IO_MISS 0x03070040
192 #define BC_IO_MISS_CUT_THROUGH 0x03070080
193 #define BC_PLAYBACK_IO 0x03070100
194 #define BC_STR(s) ( \
195 (s == BC_IO_HIT) ? "HIT" : \
196 (s == BC_IO_HIT_STALLED) ? "STALL" : \
197 (s == BC_IO_MISS) ? "MISS" : \
198 (s == BC_IO_MISS_CUT_THROUGH) ? "CUT" : \
199 (s == BC_PLAYBACK_IO) ? "PLBK" : \
200 (s == 0x0) ? "NONE" : "UNKN" )
202 #define P_DISKIO_READ (DKIO_READ << 2)
203 #define P_DISKIO_ASYNC (DKIO_ASYNC << 2)
204 #define P_DISKIO_META (DKIO_META << 2)
205 #define P_DISKIO_PAGING (DKIO_PAGING << 2)
206 #define P_DISKIO_THROTTLE (DKIO_THROTTLE << 2)
207 #define P_DISKIO_PASSIVE (DKIO_PASSIVE << 2)
208 #define P_DISKIO_NOCACHE (DKIO_NOCACHE << 2)
209 #define P_DISKIO_TIER_MASK (DKIO_TIER_MASK << 2)
210 #define P_DISKIO_TIER_SHIFT (DKIO_TIER_SHIFT + 2)
211 #define P_DISKIO_TIER_UPGRADE (DKIO_TIER_UPGRADE << 2)
213 #define P_DISKIO (FSDBG_CODE(DBG_DKRW, 0))
214 #define P_DISKIO_DONE (P_DISKIO | (DKIO_DONE << 2))
215 #define P_DISKIO_TYPE (P_DISKIO | P_DISKIO_READ | P_DISKIO_META | P_DISKIO_PAGING)
216 #define P_DISKIO_MASK (CSC_MASK | 0x4)
218 #define P_WrData (P_DISKIO)
219 #define P_RdData (P_DISKIO | P_DISKIO_READ)
220 #define P_WrMeta (P_DISKIO | P_DISKIO_META)
221 #define P_RdMeta (P_DISKIO | P_DISKIO_META | P_DISKIO_READ)
222 #define P_PgOut (P_DISKIO | P_DISKIO_PAGING)
223 #define P_PgIn (P_DISKIO | P_DISKIO_PAGING | P_DISKIO_READ)
225 #define P_CS_Class 0x0a000000 // DBG_CORESTORAGE
226 #define P_CS_Type_Mask 0xfffffff0
227 #define P_CS_IO_Done 0x00000004
229 #define P_CS_ReadChunk 0x0a000200 // chopped up request
230 #define P_CS_WriteChunk 0x0a000210
231 #define P_CS_MetaRead 0x0a000300 // meta data
232 #define P_CS_MetaWrite 0x0a000310
233 #define P_CS_TransformRead 0x0a000500 // background transform
234 #define P_CS_TransformWrite 0x0a000510
235 #define P_CS_MigrationRead 0x0a000600 // composite disk block migration
236 #define P_CS_MigrationWrite 0x0a000610
237 #define P_CS_SYNC_DISK 0x0a010000
239 #define MSC_map_fd 0x010c00ac
241 #define BSC_BASE 0x040C0000
243 // Network related codes
244 #define BSC_recvmsg 0x040C006C
245 #define BSC_sendmsg 0x040C0070
246 #define BSC_recvfrom 0x040C0074
247 #define BSC_accept 0x040C0078
248 #define BSC_select 0x040C0174
249 #define BSC_socket 0x040C0184
250 #define BSC_connect 0x040C0188
251 #define BSC_bind 0x040C01A0
252 #define BSC_listen 0x040C01A8
253 #define BSC_sendto 0x040C0214
254 #define BSC_socketpair 0x040C021C
255 #define BSC_recvmsg_nocancel 0x040c0644
256 #define BSC_sendmsg_nocancel 0x040c0648
257 #define BSC_recvfrom_nocancel 0x040c064c
258 #define BSC_accept_nocancel 0x040c0650
259 #define BSC_connect_nocancel 0x040c0664
260 #define BSC_sendto_nocancel 0x040c0674
262 #define BSC_exit 0x040C0004
263 #define BSC_read 0x040C000C
264 #define BSC_write 0x040C0010
265 #define BSC_open 0x040C0014
266 #define BSC_close 0x040C0018
267 #define BSC_link 0x040C0024
268 #define BSC_unlink 0x040C0028
269 #define BSC_chdir 0x040c0030
270 #define BSC_fchdir 0x040c0034
271 #define BSC_mknod 0x040C0038
272 #define BSC_chmod 0x040C003C
273 #define BSC_chown 0x040C0040
274 #define BSC_getfsstat 0x040C0048
275 #define BSC_access 0x040C0084
276 #define BSC_chflags 0x040C0088
277 #define BSC_fchflags 0x040C008C
278 #define BSC_sync 0x040C0090
279 #define BSC_dup 0x040C00A4
280 #define BSC_ioctl 0x040C00D8
281 #define BSC_revoke 0x040C00E0
282 #define BSC_symlink 0x040C00E4
283 #define BSC_readlink 0x040C00E8
284 #define BSC_execve 0x040C00EC
285 #define BSC_umask 0x040C00F0
286 #define BSC_chroot 0x040C00F4
287 #define BSC_msync 0x040C0104
288 #define BSC_dup2 0x040C0168
289 #define BSC_fcntl 0x040C0170
290 #define BSC_fsync 0x040C017C
291 #define BSC_readv 0x040C01E0
292 #define BSC_writev 0x040C01E4
293 #define BSC_fchown 0x040C01EC
294 #define BSC_fchmod 0x040C01F0
295 #define BSC_rename 0x040C0200
296 #define BSC_flock 0x040C020C
297 #define BSC_mkfifo 0x040C0210
298 #define BSC_mkdir 0x040C0220
299 #define BSC_rmdir 0x040C0224
300 #define BSC_utimes 0x040C0228
301 #define BSC_futimes 0x040C022C
302 #define BSC_pread 0x040C0264
303 #define BSC_pwrite 0x040C0268
304 #define BSC_statfs 0x040C0274
305 #define BSC_fstatfs 0x040C0278
306 #define BSC_unmount 0x040C027C
307 #define BSC_mount 0x040C029C
308 #define BSC_fdatasync 0x040C02EC
309 #define BSC_stat 0x040C02F0
310 #define BSC_fstat 0x040C02F4
311 #define BSC_lstat 0x040C02F8
312 #define BSC_pathconf 0x040C02FC
313 #define BSC_fpathconf 0x040C0300
314 #define BSC_getdirentries 0x040C0310
315 #define BSC_mmap 0x040c0314
316 #define BSC_lseek 0x040c031c
317 #define BSC_truncate 0x040C0320
318 #define BSC_ftruncate 0x040C0324
319 #define BSC_undelete 0x040C0334
320 #define BSC_open_dprotected_np 0x040C0360
321 #define BSC_getattrlist 0x040C0370
322 #define BSC_setattrlist 0x040C0374
323 #define BSC_getdirentriesattr 0x040C0378
324 #define BSC_exchangedata 0x040C037C
325 #define BSC_checkuseraccess 0x040C0380
326 #define BSC_searchfs 0x040C0384
327 #define BSC_delete 0x040C0388
328 #define BSC_copyfile 0x040C038C
329 #define BSC_fgetattrlist 0x040C0390
330 #define BSC_fsetattrlist 0x040C0394
331 #define BSC_getxattr 0x040C03A8
332 #define BSC_fgetxattr 0x040C03AC
333 #define BSC_setxattr 0x040C03B0
334 #define BSC_fsetxattr 0x040C03B4
335 #define BSC_removexattr 0x040C03B8
336 #define BSC_fremovexattr 0x040C03BC
337 #define BSC_listxattr 0x040C03C0
338 #define BSC_flistxattr 0x040C03C4
339 #define BSC_fsctl 0x040C03C8
340 #define BSC_posix_spawn 0x040C03D0
341 #define BSC_ffsctl 0x040C03D4
342 #define BSC_open_extended 0x040C0454
343 #define BSC_umask_extended 0x040C0458
344 #define BSC_stat_extended 0x040C045C
345 #define BSC_lstat_extended 0x040C0460
346 #define BSC_fstat_extended 0x040C0464
347 #define BSC_chmod_extended 0x040C0468
348 #define BSC_fchmod_extended 0x040C046C
349 #define BSC_access_extended 0x040C0470
350 #define BSC_mkfifo_extended 0x040C048C
351 #define BSC_mkdir_extended 0x040C0490
352 #define BSC_aio_fsync 0x040C04E4
353 #define BSC_aio_return 0x040C04E8
354 #define BSC_aio_suspend 0x040C04EC
355 #define BSC_aio_cancel 0x040C04F0
356 #define BSC_aio_error 0x040C04F4
357 #define BSC_aio_read 0x040C04F8
358 #define BSC_aio_write 0x040C04FC
359 #define BSC_lio_listio 0x040C0500
360 #define BSC_sendfile 0x040C0544
361 #define BSC_stat64 0x040C0548
362 #define BSC_fstat64 0x040C054C
363 #define BSC_lstat64 0x040C0550
364 #define BSC_stat64_extended 0x040C0554
365 #define BSC_lstat64_extended 0x040C0558
366 #define BSC_fstat64_extended 0x040C055C
367 #define BSC_getdirentries64 0x040C0560
368 #define BSC_statfs64 0x040C0564
369 #define BSC_fstatfs64 0x040C0568
370 #define BSC_getfsstat64 0x040C056C
371 #define BSC_pthread_chdir 0x040C0570
372 #define BSC_pthread_fchdir 0x040C0574
373 #define BSC_lchown 0x040C05B0
375 #define BSC_read_nocancel 0x040c0630
376 #define BSC_write_nocancel 0x040c0634
377 #define BSC_open_nocancel 0x040c0638
378 #define BSC_close_nocancel 0x040c063c
379 #define BSC_msync_nocancel 0x040c0654
380 #define BSC_fcntl_nocancel 0x040c0658
381 #define BSC_select_nocancel 0x040c065c
382 #define BSC_fsync_nocancel 0x040c0660
383 #define BSC_readv_nocancel 0x040c066c
384 #define BSC_writev_nocancel 0x040c0670
385 #define BSC_pread_nocancel 0x040c0678
386 #define BSC_pwrite_nocancel 0x040c067c
387 #define BSC_aio_suspend_nocancel 0x40c0694
388 #define BSC_guarded_open_np 0x040c06e4
389 #define BSC_guarded_open_dprotected_np 0x040c0790
390 #define BSC_guarded_close_np 0x040c06e8
391 #define BSC_guarded_write_np 0x040c0794
392 #define BSC_guarded_pwrite_np 0x040c0798
393 #define BSC_guarded_writev_np 0x040c079c
395 #define BSC_fsgetpath 0x040c06ac
397 #define BSC_getattrlistbulk 0x040c0734
399 #define BSC_openat 0x040c073c
400 #define BSC_openat_nocancel 0x040c0740
401 #define BSC_renameat 0x040c0744
402 #define BSC_chmodat 0x040c074c
403 #define BSC_chownat 0x040c0750
404 #define BSC_fstatat 0x040c0754
405 #define BSC_fstatat64 0x040c0758
406 #define BSC_linkat 0x040c075c
407 #define BSC_unlinkat 0x040c0760
408 #define BSC_readlinkat 0x040c0764
409 #define BSC_symlinkat 0x040c0768
410 #define BSC_mkdirat 0x040c076c
411 #define BSC_getattrlistat 0x040c0770
413 #define BSC_msync_extended 0x040e0104
414 #define BSC_pread_extended 0x040e0264
415 #define BSC_pwrite_extended 0x040e0268
416 #define BSC_mmap_extended 0x040e0314
417 #define BSC_mmap_extended2 0x040f0314
419 #define FMT_NOTHING -1
420 #define FMT_DEFAULT 0
427 #define FMT_CACHEHIT 7
431 #define FMT_FTRUNC 11
433 #define FMT_SELECT 13
435 #define FMT_AIO_FSYNC 15
436 #define FMT_AIO_RETURN 16
437 #define FMT_AIO_SUSPEND 17
438 #define FMT_AIO_CANCEL 18
440 #define FMT_LIO_LISTIO 20
443 #define FMT_ACCESS 23
445 #define FMT_FCHMOD 25
446 #define FMT_CHMOD_EXT 26
447 #define FMT_FCHMOD_EXT 27
448 #define FMT_CHFLAGS 28
449 #define FMT_FCHFLAGS 29
453 #define FMT_SENDFILE 33
454 #define FMT_IOCTL_SYNC 34
456 #define FMT_UNMOUNT 36
457 #define FMT_DISKIO_CS 37
458 #define FMT_SYNC_DISK_CS 38
459 #define FMT_IOCTL_UNMAP 39
460 #define FMT_UNMAP_INFO 40
461 #define FMT_HFS_update 41
464 #define FMT_CHMODAT 44
465 #define FMT_OPENAT 45
466 #define FMT_RENAMEAT 46
467 #define FMT_IOCTL_SYNCCACHE 47
468 #define FMT_GUARDED_OPEN 48
470 #define DBG_FUNC_ALL (DBG_FUNC_START | DBG_FUNC_END)
472 #pragma mark global state
475 bool BC_flag
= false;
476 bool RAW_flag
= false;
477 bool wideflag
= false;
478 bool include_waited_flag
= false;
479 bool want_kernel_task
= true;
480 dispatch_source_t stop_timer
, sigquit_source
, sigpipe_source
, sighup_source
, sigterm_source
, sigwinch_source
;
481 uint64_t mach_time_of_first_event
;
482 uint64_t start_time_ns
= 0;
483 uint64_t end_time_ns
= UINT64_MAX
;
484 unsigned int columns
= 0;
487 * Network only or filesystem only output filter
488 * Default of zero means report all activity - no filtering
490 #define FILESYS_FILTER 0x01
491 #define NETWORK_FILTER 0x02
492 #define EXEC_FILTER 0x08
493 #define PATHNAME_FILTER 0x10
494 #define DISKIO_FILTER 0x20
495 #define DEFAULT_DO_NOT_FILTER 0x00
497 int filter_mode
= DEFAULT_DO_NOT_FILTER
;
498 bool show_cachehits
= false;
500 #pragma mark syscall lookup table
502 #define MAX_BSD_SYSCALL 526
509 #define NORMAL_SYSCALL(name) \
510 [BSC_INDEX(BSC_##name)] = {#name, FMT_DEFAULT}
512 #define SYSCALL(name, format) \
513 [BSC_INDEX(BSC_##name)] = {#name, format}
515 #define SYSCALL_NAMED(name, displayname, format) \
516 [BSC_INDEX(BSC_##name)] = {#displayname, format}
518 #define SYSCALL_WITH_NOCANCEL(name, format) \
519 [BSC_INDEX(BSC_##name)] = {#name, format}, \
520 [BSC_INDEX(BSC_##name##_nocancel)] = {#name, format}
522 const struct bsd_syscall bsd_syscalls
[MAX_BSD_SYSCALL
] = {
523 SYSCALL(sendfile
, FMT_FD
), /* this should be changed to FMT_SENDFILE once we add an extended info trace event */
524 SYSCALL_WITH_NOCANCEL(recvmsg
, FMT_FD_IO
),
525 SYSCALL_WITH_NOCANCEL(sendmsg
, FMT_FD_IO
),
526 SYSCALL_WITH_NOCANCEL(recvfrom
, FMT_FD_IO
),
527 SYSCALL_WITH_NOCANCEL(sendto
, FMT_FD_IO
),
528 SYSCALL_WITH_NOCANCEL(select
, FMT_SELECT
),
529 SYSCALL_WITH_NOCANCEL(accept
, FMT_FD_2
),
530 SYSCALL(socket
, FMT_SOCKET
),
531 SYSCALL_WITH_NOCANCEL(connect
, FMT_FD
),
532 SYSCALL(bind
, FMT_FD
),
533 SYSCALL(listen
, FMT_FD
),
534 SYSCALL(mmap
, FMT_MMAP
),
535 NORMAL_SYSCALL(socketpair
),
536 NORMAL_SYSCALL(getxattr
),
537 NORMAL_SYSCALL(setxattr
),
538 NORMAL_SYSCALL(removexattr
),
539 NORMAL_SYSCALL(listxattr
),
540 NORMAL_SYSCALL(stat
),
541 NORMAL_SYSCALL(stat64
),
542 NORMAL_SYSCALL(stat_extended
),
543 SYSCALL_NAMED(stat64_extended
, stat_extended64
, FMT_DEFAULT
), /* should be stat64_extended ? */
544 SYSCALL(mount
, FMT_MOUNT
),
545 SYSCALL(unmount
, FMT_UNMOUNT
),
546 NORMAL_SYSCALL(exit
),
547 NORMAL_SYSCALL(execve
),
548 NORMAL_SYSCALL(posix_spawn
),
549 SYSCALL_WITH_NOCANCEL(open
, FMT_OPEN
),
550 SYSCALL(open_extended
, FMT_OPEN
),
551 SYSCALL(guarded_open_np
, FMT_GUARDED_OPEN
),
552 SYSCALL_NAMED(open_dprotected_np
, open_dprotected
, FMT_OPEN
),
553 SYSCALL(guarded_open_dprotected_np
, FMT_GUARDED_OPEN
),
554 SYSCALL(dup
, FMT_FD_2
),
555 SYSCALL(dup2
, FMT_FD_2
),
556 SYSCALL_WITH_NOCANCEL(close
, FMT_FD
),
557 SYSCALL(guarded_close_np
, FMT_FD
),
558 SYSCALL_WITH_NOCANCEL(read
, FMT_FD_IO
),
559 SYSCALL_WITH_NOCANCEL(write
, FMT_FD_IO
),
560 SYSCALL(guarded_write_np
, FMT_FD_IO
),
561 SYSCALL(guarded_pwrite_np
, FMT_FD_IO
),
562 SYSCALL(guarded_writev_np
, FMT_FD_IO
),
563 SYSCALL(fgetxattr
, FMT_FD
),
564 SYSCALL(fsetxattr
, FMT_FD
),
565 SYSCALL(fremovexattr
, FMT_FD
),
566 SYSCALL(flistxattr
, FMT_FD
),
567 SYSCALL(fstat
, FMT_FD
),
568 SYSCALL(fstat64
, FMT_FD
),
569 SYSCALL(fstat_extended
, FMT_FD
),
570 SYSCALL(fstat64_extended
, FMT_FD
),
571 NORMAL_SYSCALL(lstat
),
572 NORMAL_SYSCALL(lstat64
),
573 NORMAL_SYSCALL(lstat_extended
),
574 SYSCALL_NAMED(lstat64_extended
, lstat_extended64
, FMT_DEFAULT
),
575 NORMAL_SYSCALL(link
),
576 NORMAL_SYSCALL(unlink
),
577 NORMAL_SYSCALL(mknod
),
578 SYSCALL(umask
, FMT_UMASK
),
579 SYSCALL(umask_extended
, FMT_UMASK
),
580 SYSCALL(chmod
, FMT_CHMOD
),
581 SYSCALL(chmod_extended
, FMT_CHMOD_EXT
),
582 SYSCALL(fchmod
, FMT_FCHMOD
),
583 SYSCALL(fchmod_extended
, FMT_FCHMOD_EXT
),
584 NORMAL_SYSCALL(chown
),
585 NORMAL_SYSCALL(lchown
),
586 SYSCALL(fchown
, FMT_FD
),
587 SYSCALL(access
, FMT_ACCESS
),
588 NORMAL_SYSCALL(access_extended
),
589 NORMAL_SYSCALL(chdir
),
590 NORMAL_SYSCALL(pthread_chdir
),
591 NORMAL_SYSCALL(chroot
),
592 NORMAL_SYSCALL(utimes
),
593 SYSCALL_NAMED(delete, delete-Carbon
, FMT_DEFAULT
),
594 NORMAL_SYSCALL(undelete
),
595 NORMAL_SYSCALL(revoke
),
596 NORMAL_SYSCALL(fsctl
),
597 SYSCALL(ffsctl
, FMT_FD
),
598 SYSCALL(chflags
, FMT_CHFLAGS
),
599 SYSCALL(fchflags
, FMT_FCHFLAGS
),
600 SYSCALL(fchdir
, FMT_FD
),
601 SYSCALL(pthread_fchdir
, FMT_FD
),
602 SYSCALL(futimes
, FMT_FD
),
603 NORMAL_SYSCALL(sync
),
604 NORMAL_SYSCALL(symlink
),
605 NORMAL_SYSCALL(readlink
),
606 SYSCALL_WITH_NOCANCEL(fsync
, FMT_FD
),
607 SYSCALL(fdatasync
, FMT_FD
),
608 SYSCALL_WITH_NOCANCEL(readv
, FMT_FD_IO
),
609 SYSCALL_WITH_NOCANCEL(writev
, FMT_FD_IO
),
610 SYSCALL_WITH_NOCANCEL(pread
, FMT_PREAD
),
611 SYSCALL_WITH_NOCANCEL(pwrite
, FMT_PREAD
),
612 NORMAL_SYSCALL(mkdir
),
613 NORMAL_SYSCALL(mkdir_extended
),
614 NORMAL_SYSCALL(mkfifo
),
615 NORMAL_SYSCALL(mkfifo_extended
),
616 NORMAL_SYSCALL(rmdir
),
617 NORMAL_SYSCALL(statfs
),
618 NORMAL_SYSCALL(statfs64
),
619 NORMAL_SYSCALL(getfsstat
),
620 NORMAL_SYSCALL(getfsstat64
),
621 SYSCALL(fstatfs
, FMT_FD
),
622 SYSCALL(fstatfs64
, FMT_FD
),
623 NORMAL_SYSCALL(pathconf
),
624 SYSCALL(fpathconf
, FMT_FD
),
625 SYSCALL(getdirentries
, FMT_FD_IO
),
626 SYSCALL(getdirentries64
, FMT_FD_IO
),
627 SYSCALL(lseek
, FMT_LSEEK
),
628 SYSCALL(truncate
, FMT_TRUNC
),
629 SYSCALL(ftruncate
, FMT_FTRUNC
),
630 SYSCALL(flock
, FMT_FLOCK
),
631 NORMAL_SYSCALL(getattrlist
),
632 NORMAL_SYSCALL(setattrlist
),
633 SYSCALL(fgetattrlist
, FMT_FD
),
634 SYSCALL(fsetattrlist
, FMT_FD
),
635 SYSCALL(getdirentriesattr
, FMT_FD
),
636 NORMAL_SYSCALL(exchangedata
),
637 NORMAL_SYSCALL(rename
),
638 NORMAL_SYSCALL(copyfile
),
639 NORMAL_SYSCALL(checkuseraccess
),
640 NORMAL_SYSCALL(searchfs
),
641 SYSCALL(aio_fsync
, FMT_AIO_FSYNC
),
642 SYSCALL(aio_return
, FMT_AIO_RETURN
),
643 SYSCALL_WITH_NOCANCEL(aio_suspend
, FMT_AIO_SUSPEND
),
644 SYSCALL(aio_cancel
, FMT_AIO_CANCEL
),
645 SYSCALL(aio_error
, FMT_AIO
),
646 SYSCALL(aio_read
, FMT_AIO
),
647 SYSCALL(aio_write
, FMT_AIO
),
648 SYSCALL(lio_listio
, FMT_LIO_LISTIO
),
649 SYSCALL_WITH_NOCANCEL(msync
, FMT_MSYNC
),
650 SYSCALL_WITH_NOCANCEL(fcntl
, FMT_FCNTL
),
651 SYSCALL(ioctl
, FMT_IOCTL
),
652 NORMAL_SYSCALL(fsgetpath
),
653 NORMAL_SYSCALL(getattrlistbulk
),
654 SYSCALL_WITH_NOCANCEL(openat
, FMT_OPENAT
), /* open_nocancel() was previously shown as "open_nocanel" (note spelling) */
655 SYSCALL(renameat
, FMT_RENAMEAT
),
656 SYSCALL(chmodat
, FMT_CHMODAT
),
657 SYSCALL(chownat
, FMT_AT
),
658 SYSCALL(fstatat
, FMT_AT
),
659 SYSCALL(fstatat64
, FMT_AT
),
660 SYSCALL(linkat
, FMT_AT
),
661 SYSCALL(unlinkat
, FMT_AT
),
662 SYSCALL(readlinkat
, FMT_AT
),
663 SYSCALL(symlinkat
, FMT_AT
),
664 SYSCALL(mkdirat
, FMT_AT
),
665 SYSCALL(getattrlistat
, FMT_AT
),
669 get_screenwidth(void)
675 if (isatty(STDOUT_FILENO
)) {
676 if (ioctl(1, TIOCGWINSZ
, &size
) != -1) {
677 columns
= size
.ws_col
;
679 if (columns
> MAXWIDTH
)
686 mach_to_nano(uint64_t mach
)
688 uint64_t nanoseconds
= 0;
689 assert(ktrace_convert_timestamp_to_nanoseconds(s
, mach
, &nanoseconds
) == 0);
699 myname
= getprogname();
701 fprintf(stderr
, "Usage: %s [-e] [-w] [-f mode] [-b] [-t seconds] [-R rawfile [-S start_time] [-E end_time]] [pid | cmd [pid | cmd] ...]\n", myname
);
702 fprintf(stderr
, " -e exclude the specified list of pids from the sample\n");
703 fprintf(stderr
, " and exclude fs_usage by default\n");
704 fprintf(stderr
, " -w force wider, detailed, output\n");
705 fprintf(stderr
, " -f output is based on the mode provided\n");
706 fprintf(stderr
, " mode = \"network\" Show network-related events\n");
707 fprintf(stderr
, " mode = \"filesys\" Show filesystem-related events\n");
708 fprintf(stderr
, " mode = \"pathname\" Show only pathname-related events\n");
709 fprintf(stderr
, " mode = \"exec\" Show only exec and spawn events\n");
710 fprintf(stderr
, " mode = \"diskio\" Show only disk I/O events\n");
711 fprintf(stderr
, " mode = \"cachehit\" In addition, show cache hits\n");
712 fprintf(stderr
, " -b annotate disk I/O events with BootCache info (if available)\n");
713 fprintf(stderr
, " -t specifies timeout in seconds (for use in automated tools)\n");
714 fprintf(stderr
, " -R specifies a raw trace file to process\n");
715 fprintf(stderr
, " -S if -R is specified, selects a start point in microseconds\n");
716 fprintf(stderr
, " -E if -R is specified, selects an end point in microseconds\n");
717 fprintf(stderr
, " pid selects process(s) to sample\n");
718 fprintf(stderr
, " cmd selects process(s) matching command string to sample\n");
719 fprintf(stderr
, "By default (no options) the following processes are excluded from the output:\n");
720 fprintf(stderr
, "fs_usage, Terminal, telnetd, sshd, rlogind, tcsh, csh, sh\n\n");
726 main(int argc
, char *argv
[])
730 bool exclude_pids
= false;
731 uint64_t time_limit_ns
= 0;
735 s
= ktrace_session_create();
737 (void)ktrace_ignore_process_filter_for_event(s
, P_WrData
);
738 (void)ktrace_ignore_process_filter_for_event(s
, P_RdData
);
739 (void)ktrace_ignore_process_filter_for_event(s
, P_WrMeta
);
740 (void)ktrace_ignore_process_filter_for_event(s
, P_RdMeta
);
741 (void)ktrace_ignore_process_filter_for_event(s
, P_PgOut
);
742 (void)ktrace_ignore_process_filter_for_event(s
, P_PgIn
);
744 while ((ch
= getopt(argc
, argv
, "bewf:R:S:E:t:W")) != -1) {
752 columns
= MAX_WIDE_MODE_COLS
;
756 include_waited_flag
= true;
760 if (!strcmp(optarg
, "network"))
761 filter_mode
|= NETWORK_FILTER
;
762 else if (!strcmp(optarg
, "filesys"))
763 filter_mode
|= FILESYS_FILTER
;
764 else if (!strcmp(optarg
, "cachehit"))
765 show_cachehits
= true;
766 else if (!strcmp(optarg
, "exec"))
767 filter_mode
|= EXEC_FILTER
;
768 else if (!strcmp(optarg
, "pathname"))
769 filter_mode
|= PATHNAME_FILTER
;
770 else if (!strcmp(optarg
, "diskio"))
771 filter_mode
|= DISKIO_FILTER
;
780 time_limit_ns
= (uint64_t)(NSEC_PER_SEC
* atof(optarg
));
781 if (time_limit_ns
== 0) {
782 fprintf(stderr
, "ERROR: could not set time limit to %s\n",
790 rv
= ktrace_set_file(s
, optarg
);
792 fprintf(stderr
, "ERROR: reading trace from '%s' failed (%s)\n", optarg
, strerror(errno
));
798 start_time_ns
= NSEC_PER_SEC
* atof(optarg
);
802 end_time_ns
= NSEC_PER_SEC
* atof(optarg
);
813 if (time_limit_ns
> 0 && RAW_flag
) {
814 fprintf(stderr
, "NOTE: time limit ignored when a raw file is specified\n");
819 if (geteuid() != 0) {
820 fprintf(stderr
, "'fs_usage' must be run as root...\n");
825 * ktrace can't both *in*clude and *ex*clude pids, so: if we are
826 * already excluding pids, or if we are not explicitly including
827 * or excluding any pids, then exclude the defaults.
829 * if on the other hand we are explicitly including pids, we'll
830 * filter the defaults out naturally.
832 if (exclude_pids
|| argc
== 0) {
833 ktrace_exclude_process(s
, "fs_usage");
834 ktrace_exclude_process(s
, "Terminal");
835 ktrace_exclude_process(s
, "telnetd");
836 ktrace_exclude_process(s
, "telnet");
837 ktrace_exclude_process(s
, "sshd");
838 ktrace_exclude_process(s
, "rlogind");
839 ktrace_exclude_process(s
, "tcsh");
840 ktrace_exclude_process(s
, "csh");
841 ktrace_exclude_process(s
, "sh");
842 ktrace_exclude_process(s
, "zsh");
843 #if TARGET_OS_EMBEDDED
844 ktrace_exclude_process(s
, "dropbear");
845 #endif /* TARGET_OS_EMBEDDED */
850 * If we're *in*cluding processes, also *in*clude the kernel_task, which
851 * issues trace points when disk I/Os complete. But set a flag for us to
852 * avoid showing events attributed to the kernel_task.
854 * If the user actually wants to those events, we'll change that flag in
857 if (argc
> 0 && !exclude_pids
) {
858 ktrace_filter_pid(s
, 0);
859 want_kernel_task
= false;
863 * Process the list of specified pids, and in/exclude them as
872 pid
= (pid_t
)strtoul(name
, &endptr
, 10);
874 if (*name
!= '\0' && *endptr
== '\0') {
876 rv
= ktrace_exclude_pid(s
, pid
);
879 want_kernel_task
= true;
881 rv
= ktrace_filter_pid(s
, pid
);
885 rv
= ktrace_exclude_process(s
, name
);
887 if (!strcmp(name
, "kernel_task"))
888 want_kernel_task
= true;
890 rv
= ktrace_filter_process(s
, name
);
895 fprintf(stderr
, "ERROR: cannot both include and exclude simultaneously\n");
905 /* provides SIGINT, SIGHUP, SIGPIPE, SIGTERM handlers */
906 ktrace_set_signal_handler(s
);
908 ktrace_set_completion_handler(s
, ^{
912 signal(SIGWINCH
, SIG_IGN
);
913 sigwinch_source
= dispatch_source_create(DISPATCH_SOURCE_TYPE_SIGNAL
, SIGWINCH
, 0, dispatch_get_main_queue());
914 dispatch_source_set_event_handler(sigwinch_source
, ^{
918 dispatch_activate(sigwinch_source
);
920 init_shared_cache_mapping();
924 setup_ktrace_callbacks();
926 ktrace_set_dropped_events_handler(s
, ^{
927 fprintf(stderr
, "fs_usage: buffer overrun, events generated too quickly\n");
929 /* clear any state that is now potentially invalid */
936 ktrace_set_default_event_names_enabled(KTRACE_FEATURE_DISABLED
);
937 ktrace_set_execnames_enabled(s
, KTRACE_FEATURE_LAZY
);
938 ktrace_set_vnode_paths_enabled(s
, true);
939 /* no need to symbolicate addresses */
940 ktrace_set_uuid_map_enabled(s
, KTRACE_FEATURE_DISABLED
);
942 rv
= ktrace_start(s
, dispatch_get_main_queue());
945 perror("ktrace_start");
949 if (time_limit_ns
> 0) {
950 dispatch_after(dispatch_time(DISPATCH_TIME_NOW
, time_limit_ns
),
951 dispatch_get_global_queue(QOS_CLASS_USER_INITIATED
, 0),
963 setup_ktrace_callbacks(void)
965 ktrace_events_subclass(s
, DBG_MACH
, DBG_MACH_EXCP_SC
, ^(ktrace_event_t event
) {
968 type
= event
->debugid
& KDBG_EVENTID_MASK
;
970 if (type
== MSC_map_fd
) {
971 if (event
->debugid
& DBG_FUNC_START
) {
972 event_enter(type
, event
);
974 event_exit("map_fd", type
, event
, FMT_FD
);
979 ktrace_events_subclass(s
, DBG_MACH
, DBG_MACH_VM
, ^(ktrace_event_t event
) {
983 type
= event
->debugid
& KDBG_EVENTID_MASK
;
985 if (type
!= MACH_pageout
&& type
!= MACH_vmfault
)
988 if (event
->debugid
& DBG_FUNC_START
) {
989 event_enter(type
, event
);
994 event_exit("PAGE_OUT_ANON", type
, event
, FMT_PGOUT
);
996 event_exit("PAGE_OUT_FILE", type
, event
, FMT_PGOUT
);
1001 if (event
->arg4
== DBG_PAGEIN_FAULT
)
1002 event_exit("PAGE_IN", type
, event
, FMT_PGIN
);
1003 else if (event
->arg4
== DBG_PAGEINV_FAULT
)
1004 event_exit("PAGE_IN_FILE", type
, event
, FMT_PGIN
);
1005 else if (event
->arg4
== DBG_PAGEIND_FAULT
)
1006 event_exit("PAGE_IN_ANON", type
, event
, FMT_PGIN
);
1007 else if (event
->arg4
== DBG_CACHE_HIT_FAULT
)
1008 event_exit("CACHE_HIT", type
, event
, FMT_CACHEHIT
);
1009 else if ((ti
= event_find(event
->threadid
, type
)))
1020 if (include_waited_flag
|| RAW_flag
) {
1021 ktrace_events_subclass(s
, DBG_MACH
, DBG_MACH_SCHED
, ^(ktrace_event_t event
) {
1024 type
= event
->debugid
& KDBG_EVENTID_MASK
;
1029 case MACH_stkhandoff
:
1030 event_mark_thread_waited(event
->threadid
);
1035 ktrace_events_subclass(s
, DBG_FSYSTEM
, DBG_FSRW
, ^(ktrace_event_t event
) {
1039 type
= event
->debugid
& KDBG_EVENTID_MASK
;
1042 case HFS_modify_block_end
:
1044 * the expected path here is as follows:
1046 * look up a path, which gets stored in ti->vnode / ti->pathname
1047 * modify a metadata block -- we assume the modification has something to do with the path that was looked up
1050 * later, someone writes that metadata block; the last path associated with it is attributed
1052 if ((ti
= event_find(event
->threadid
, 0))) {
1053 if (ti
->newest_pathname
)
1054 meta_add_name(event
->arg2
, ti
->newest_pathname
);
1060 if (event
->debugid
& DBG_FUNC_START
) {
1061 if ((ti
= event_find(event
->threadid
, 0)) && !ti
->vnodeid
) {
1062 ti
->vnodeid
= event
->arg1
;
1066 /* it can be both start and end */
1068 if (event
->debugid
& DBG_FUNC_END
) {
1069 if ((ti
= event_find(event
->threadid
, 0)) && ti
->vnodeid
) {
1070 const char *pathname
;
1072 pathname
= ktrace_get_path_for_vp(s
, ti
->vnodeid
);
1077 if (ti
->pathname
[0] == '\0') {
1078 strncpy(ti
->pathname
, pathname
, MAXPATHLEN
);
1079 ti
->newest_pathname
= ti
->pathname
;
1080 } else if (ti
->pathname2
[0] == '\0') {
1081 strncpy(ti
->pathname2
, pathname
, MAXPATHLEN
);
1082 ti
->newest_pathname
= ti
->pathname2
;
1091 if (type
!= Throttled
&& type
!= HFS_update
)
1094 if (event
->debugid
& DBG_FUNC_START
) {
1095 event_enter(type
, event
);
1099 event_exit(" THROTTLED", type
, event
, FMT_NOTHING
);
1103 event_exit(" HFS_update", type
, event
, FMT_HFS_update
);
1112 ktrace_events_subclass(s
, DBG_FSYSTEM
, DBG_DKRW
, ^(ktrace_event_t event
) {
1116 type
= event
->debugid
& KDBG_EVENTID_MASK
;
1118 if ((type
& P_DISKIO_MASK
) == P_DISKIO
) {
1119 diskio_start(type
, event
->arg1
, event
->arg2
, event
->arg3
, event
->arg4
, event
);
1120 } else if ((type
& P_DISKIO_MASK
) == P_DISKIO_DONE
) {
1121 if ((dio
= diskio_complete(event
->arg1
, event
->arg4
, event
->arg3
, event
->threadid
, event
->timestamp
, event
->walltime
))) {
1122 dio
->vnodeid
= event
->arg2
;
1129 ktrace_events_subclass(s
, DBG_FSYSTEM
, DBG_IOCTL
, ^(ktrace_event_t event
) {
1134 type
= event
->debugid
& KDBG_EVENTID_MASK
;
1137 case SPEC_unmap_info
:
1138 pid
= ktrace_get_pid_for_thread(s
, event
->threadid
);
1140 if (check_filter_mode(pid
, NULL
, SPEC_unmap_info
, 0, 0, "SPEC_unmap_info"))
1141 format_print(NULL
, " TrimExtent", event
, type
, FMT_UNMAP_INFO
, event
->timestamp
, event
->timestamp
, 0, "", NULL
);
1146 if (event
->debugid
& DBG_FUNC_START
) {
1147 event_enter(type
, event
);
1149 if (event
->arg2
== DKIOCSYNCHRONIZECACHE
)
1150 event_exit("IOCTL", type
, event
, FMT_IOCTL_SYNCCACHE
);
1151 else if (event
->arg2
== DKIOCUNMAP
)
1152 event_exit("IOCTL", type
, event
, FMT_IOCTL_UNMAP
);
1153 else if (event
->arg2
== DKIOCSYNCHRONIZE
&& (event
->debugid
& DBG_FUNC_ALL
) == DBG_FUNC_NONE
)
1154 event_exit("IOCTL", type
, event
, FMT_IOCTL_SYNC
);
1155 else if ((ti
= event_find(event
->threadid
, type
)))
1163 if (BC_flag
|| RAW_flag
) {
1164 ktrace_events_subclass(s
, DBG_FSYSTEM
, DBG_BOOTCACHE
, ^(ktrace_event_t event
) {
1168 type
= event
->debugid
& KDBG_EVENTID_MASK
;
1172 case BC_IO_HIT_STALLED
:
1174 case BC_IO_MISS_CUT_THROUGH
:
1175 case BC_PLAYBACK_IO
:
1176 if ((dio
= diskio_find(event
->arg1
)) != NULL
)
1177 dio
->bc_info
= type
;
1182 void (^bsd_sc_proc_cb
)(ktrace_event_t event
) = ^(ktrace_event_t event
) {
1186 type
= event
->debugid
& KDBG_EVENTID_MASK
;
1189 case BSC_exit
: /* see below */
1193 event
->arg1
= event
->arg2
>> 8;
1196 pid
= ktrace_get_pid_for_thread(s
, event
->threadid
);
1202 if (event
->arg4
& MAP_ANON
)
1208 if ((index
= BSC_INDEX(type
)) >= MAX_BSD_SYSCALL
)
1211 if (!bsd_syscalls
[index
].sc_name
)
1214 if (event
->debugid
& DBG_FUNC_START
) {
1215 event_enter(type
, event
);
1217 event_exit(bsd_syscalls
[index
].sc_name
, type
, event
, bsd_syscalls
[index
].sc_format
);
1221 ktrace_events_subclass(s
, DBG_BSD
, DBG_BSD_EXCP_SC
, bsd_sc_proc_cb
);
1222 ktrace_events_subclass(s
, DBG_BSD
, DBG_BSD_PROC
, bsd_sc_proc_cb
);
1224 ktrace_events_range(s
, KDBG_EVENTID(DBG_BSD
, DBG_BSD_SC_EXTENDED_INFO
, 0), KDBG_EVENTID(DBG_BSD
, DBG_BSD_SC_EXTENDED_INFO2
+ 1, 0), ^(ktrace_event_t event
) {
1225 extend_syscall(event
->threadid
, event
->debugid
& KDBG_EVENTID_MASK
, event
);
1228 ktrace_events_subclass(s
, DBG_CORESTORAGE
, DBG_CS_IO
, ^(ktrace_event_t event
) {
1229 // the usual DBG_FUNC_START/END does not work for i/o since it will
1230 // return on a different thread, this code uses the P_CS_IO_Done (0x4) bit
1231 // instead. the trace command doesn't know how handle either method
1232 // (unmatched start/end or 0x4) but works a little better this way.
1235 int cs_type
= event
->debugid
& P_CS_Type_Mask
; // strip out the done bit
1236 bool start
= (event
->debugid
& P_CS_IO_Done
) != P_CS_IO_Done
;
1239 case P_CS_ReadChunk
:
1240 case P_CS_WriteChunk
:
1242 case P_CS_MetaWrite
:
1244 diskio_start(cs_type
, event
->arg2
, event
->arg1
, event
->arg3
, event
->arg4
, event
);
1246 if ((dio
= diskio_complete(event
->arg2
, event
->arg4
, event
->arg3
, event
->threadid
, event
->timestamp
, event
->walltime
))) {
1253 case P_CS_TransformRead
:
1254 case P_CS_TransformWrite
:
1255 case P_CS_MigrationRead
:
1256 case P_CS_MigrationWrite
:
1258 diskio_start(cs_type
, event
->arg2
, CS_DEV
, event
->arg3
, event
->arg4
, event
);
1260 if ((dio
= diskio_complete(event
->arg2
, event
->arg4
, event
->arg3
, event
->threadid
, event
->timestamp
, event
->walltime
))) {
1270 ktrace_events_subclass(s
, DBG_CORESTORAGE
, 1 /* DBG_CS_SYNC */, ^(ktrace_event_t event
) {
1271 int cs_type
= event
->debugid
& P_CS_Type_Mask
; // strip out the done bit
1272 bool start
= (event
->debugid
& P_CS_IO_Done
) != P_CS_IO_Done
;
1274 if (cs_type
== P_CS_SYNC_DISK
) {
1276 event_enter(cs_type
, event
);
1278 event_exit(" SyncCacheCS", cs_type
, event
, FMT_SYNC_DISK_CS
);
1285 * Handle system call extended trace data.
1287 * Wipe out the kd args that were collected upon syscall_entry
1288 * because it is the extended info that we really want, and it
1289 * is all we really need.
1292 extend_syscall(uint64_t thread
, int type
, ktrace_event_t event
)
1297 case BSC_mmap_extended
:
1298 if ((ti
= event_find(thread
, BSC_mmap
)) == NULL
)
1301 ti
->arg8
= ti
->arg3
; /* save protection */
1302 ti
->arg1
= event
->arg1
; /* the fd */
1303 ti
->arg3
= event
->arg2
; /* bottom half address */
1304 ti
->arg5
= event
->arg3
; /* bottom half size */
1307 case BSC_mmap_extended2
:
1308 if ((ti
= event_find(thread
, BSC_mmap
)) == NULL
)
1311 ti
->arg2
= event
->arg1
; /* top half address */
1312 ti
->arg4
= event
->arg2
; /* top half size */
1313 ti
->arg6
= event
->arg3
; /* top half file offset */
1314 ti
->arg7
= event
->arg4
; /* bottom half file offset */
1317 case BSC_msync_extended
:
1318 if ((ti
= event_find(thread
, BSC_msync
)) == NULL
) {
1319 if ((ti
= event_find(thread
, BSC_msync_nocancel
)) == NULL
)
1323 ti
->arg4
= event
->arg1
; /* top half address */
1324 ti
->arg5
= event
->arg2
; /* top half size */
1327 case BSC_pread_extended
:
1328 if ((ti
= event_find(thread
, BSC_pread
)) == NULL
) {
1329 if ((ti
= event_find(thread
, BSC_pread_nocancel
)) == NULL
)
1333 ti
->arg1
= event
->arg1
; /* the fd */
1334 ti
->arg2
= event
->arg2
; /* nbytes */
1335 ti
->arg3
= event
->arg3
; /* top half offset */
1336 ti
->arg4
= event
->arg4
; /* bottom half offset */
1339 case BSC_pwrite_extended
:
1340 if ((ti
= event_find(thread
, BSC_pwrite
)) == NULL
) {
1341 if ((ti
= event_find(thread
, BSC_pwrite_nocancel
)) == NULL
)
1345 ti
->arg1
= event
->arg1
; /* the fd */
1346 ti
->arg2
= event
->arg2
; /* nbytes */
1347 ti
->arg3
= event
->arg3
; /* top half offset */
1348 ti
->arg4
= event
->arg4
; /* bottom half offset */
1353 #pragma mark printing routines
1356 get_mode_nibble(char *buf
, uint64_t smode
, uint64_t special
, char x_on
, char x_off
)
1376 get_mode_string(uint64_t mode
, char *buf
)
1378 memset(buf
, '-', 9);
1381 get_mode_nibble(&buf
[6], mode
, (mode
& 01000), 't', 'T');
1382 get_mode_nibble(&buf
[3], (mode
>>3), (mode
& 02000), 's', 'S');
1383 get_mode_nibble(&buf
[0], (mode
>>6), (mode
& 04000), 's', 'S');
1387 clip_64bit(char *s
, uint64_t value
)
1391 if ( (value
& 0xff00000000000000LL
) )
1392 clen
= printf("%s0x%16.16qx", s
, value
);
1393 else if ( (value
& 0x00ff000000000000LL
) )
1394 clen
= printf("%s0x%14.14qx ", s
, value
);
1395 else if ( (value
& 0x0000ff0000000000LL
) )
1396 clen
= printf("%s0x%12.12qx ", s
, value
);
1397 else if ( (value
& 0x000000ff00000000LL
) )
1398 clen
= printf("%s0x%10.10qx ", s
, value
);
1400 clen
= printf("%s0x%8.8qx ", s
, value
);
1406 * ret = 1 means print the entry
1407 * ret = 0 means don't print the entry
1411 * meaning of filter flags:
1412 * cachehit turn on display of CACHE_HIT events (which are filtered out by default)
1414 * exec show exec/posix_spawn
1415 * pathname show events with a pathname and close()
1416 * diskio show disk I/Os
1417 * filesys show filesystem events
1418 * network show network events
1420 * filters may be combined; default is all filters on (except cachehit)
1423 check_filter_mode(pid_t pid
, th_info_t ti
, uint64_t type
, int error
, int retval
, char *sc_name
)
1426 int network_fd_isset
= 0;
1429 /* cachehit is special -- it's not on by default */
1430 if (sc_name
[0] == 'C' && !strcmp(sc_name
, "CACHE_HIT")) {
1431 return show_cachehits
;
1434 if (filter_mode
== DEFAULT_DO_NOT_FILTER
)
1437 if (filter_mode
& DISKIO_FILTER
) {
1438 if ((type
& P_DISKIO_MASK
) == P_DISKIO
)
1441 if (type
== Throttled
)
1445 if (filter_mode
& EXEC_FILTER
) {
1446 if (type
== BSC_execve
|| type
== BSC_posix_spawn
)
1450 if (filter_mode
& PATHNAME_FILTER
) {
1451 if (ti
&& ti
->pathname
[0])
1454 if (type
== BSC_close
|| type
== BSC_close_nocancel
||
1455 type
== BSC_guarded_close_np
)
1460 if (filter_mode
& FILESYS_FILTER
)
1468 case BSC_close_nocancel
:
1469 case BSC_guarded_close_np
:
1471 network_fd_isset
= fd_is_network(pid
, fd
);
1474 fd_set_is_network(pid
, fd
, false);
1476 if (network_fd_isset
) {
1477 if (filter_mode
& NETWORK_FILTER
)
1480 if (filter_mode
& FILESYS_FILTER
)
1488 case BSC_read_nocancel
:
1489 case BSC_write_nocancel
:
1491 * we don't care about error in these cases
1495 if (fd_is_network(pid
, fd
)) {
1496 if (filter_mode
& NETWORK_FILTER
)
1498 } else if (filter_mode
& FILESYS_FILTER
) {
1505 case BSC_accept_nocancel
:
1510 fd_set_is_network(pid
, fd
, true);
1512 if (filter_mode
& NETWORK_FILTER
)
1524 case BSC_sendto_nocancel
:
1525 case BSC_recvfrom_nocancel
:
1526 case BSC_recvmsg_nocancel
:
1527 case BSC_sendmsg_nocancel
:
1528 case BSC_connect_nocancel
:
1532 fd_set_is_network(pid
, fd
, true);
1534 if (filter_mode
& NETWORK_FILTER
)
1540 case BSC_select_nocancel
:
1541 case BSC_socketpair
:
1543 * Cannot determine info about file descriptors
1545 if (filter_mode
& NETWORK_FILTER
)
1553 * We track these cases for fd state only
1557 if (error
== 0 && fd_is_network(pid
, fd
)) {
1559 * then we are duping a socket descriptor
1561 fd
= retval
; /* the new fd */
1562 fd_set_is_network(pid
, fd
, true);
1568 if (filter_mode
& FILESYS_FILTER
)
1578 print_open(ktrace_event_t event
, uint64_t flags
)
1580 char mode
[] = "______";
1582 if (flags
& O_RDWR
) {
1585 } else if (flags
& O_WRONLY
) {
1591 if (flags
& O_CREAT
) {
1594 if (flags
& O_APPEND
) {
1597 if (flags
& O_TRUNC
) {
1600 if (flags
& O_EXCL
) {
1605 return printf(" [%3d] (%s) ", (int)event
->arg1
, mode
);
1607 return printf(" F=%-3d (%s) ", (int)event
->arg2
, mode
);
1614 * exit_event() (syscalls etc.)
1615 * print_diskio() (disk I/Os)
1616 * block callback for TrimExtent
1619 format_print(th_info_t ti
, char *sc_name
, ktrace_event_t event
,
1620 uint64_t type
, int format
, uint64_t now
, uint64_t stime
,
1621 int waited
, const char *pathname
, struct diskio
*dio
)
1623 uint64_t secs
, usecs
;
1625 static time_t last_walltime_secs
= -1;
1626 const char *command_name
;
1634 char *framework_name
;
1635 char *framework_type
;
1638 char buf
[2 * PATH_MAX
+ 64];
1639 char cs_diskname
[32];
1641 struct timeval now_walltime
;
1643 static char timestamp
[32];
1644 static size_t timestamp_len
= 0;
1646 if (!mach_time_of_first_event
)
1647 mach_time_of_first_event
= now
;
1649 if (format
== FMT_DISKIO
|| format
== FMT_DISKIO_CS
) {
1654 if (format
!= FMT_UNMAP_INFO
)
1658 /* <rdar://problem/19852325> Filter out WindowServer/xcpm ioctls in fs_usage */
1659 if (type
== BSC_ioctl
&& ti
->arg2
== 0xffffffffc030581dUL
)
1662 /* honor -S and -E */
1664 uint64_t relative_time_ns
;
1666 relative_time_ns
= mach_to_nano(now
- mach_time_of_first_event
);
1668 if (relative_time_ns
< start_time_ns
|| relative_time_ns
> end_time_ns
)
1672 class = KDBG_EXTRACT_CLASS(type
);
1675 command_name
= dio
->issuing_command
;
1676 threadid
= dio
->issuing_thread
;
1677 pid
= dio
->issuing_pid
;
1678 now_walltime
= dio
->completed_walltime
;
1680 if (ti
&& ti
->command
[0] != '\0') {
1681 command_name
= ti
->command
;
1682 threadid
= ti
->thread
;
1685 command_name
= ktrace_get_execname_for_thread(s
, event
->threadid
);
1686 threadid
= event
->threadid
;
1687 pid
= ktrace_get_pid_for_thread(s
, event
->threadid
);
1690 now_walltime
= event
->walltime
;
1693 if (!want_kernel_task
&& pid
== 0)
1699 assert(now_walltime
.tv_sec
|| now_walltime
.tv_usec
);
1701 /* try and reuse the timestamp string */
1702 if (last_walltime_secs
!= now_walltime
.tv_sec
) {
1703 timestamp_len
= strftime(timestamp
, sizeof (timestamp
), "%H:%M:%S", localtime(&now_walltime
.tv_sec
));
1704 last_walltime_secs
= now_walltime
.tv_sec
;
1707 if (columns
> MAXCOLS
|| wideflag
) {
1708 tlen
= timestamp_len
;
1711 sprintf(×tamp
[tlen
], ".%06d", now_walltime
.tv_usec
);
1714 timestamp
[tlen
] = '\0';
1719 clen
= printf("%s %-17.17s", timestamp
, sc_name
);
1721 framework_name
= NULL
;
1723 if (columns
> MAXCOLS
|| wideflag
) {
1724 off_t offset_reassembled
= 0LL;
1728 clen
+= printf(" ");
1735 * pathname based system calls or
1736 * calls with no fd or pathname (i.e. sync)
1739 clen
+= printf(" [%3d] ", (int)event
->arg1
);
1741 clen
+= printf(" ");
1747 * fd based system call... no I/O
1750 clen
+= printf(" F=%-3d[%3d]", (int)ti
->arg1
, (int)event
->arg1
);
1752 clen
+= printf(" F=%-3d", (int)ti
->arg1
);
1761 clen
+= printf(" F=%-3d[%3d]", (int)ti
->arg1
, (int)event
->arg1
);
1763 clen
+= printf(" F=%-3d F=%-3d", (int)ti
->arg1
, (int)event
->arg2
);
1769 * system calls with fd's that return an I/O completion count
1772 clen
+= printf(" F=%-3d[%3d]", (int)ti
->arg1
, (int)event
->arg1
);
1774 clen
+= printf(" F=%-3d B=0x%-6" PRIx64
, (int)ti
->arg1
, (uint64_t)event
->arg2
);
1782 user_addr
= ((uint64_t)event
->arg1
<< 32) | (uint32_t)event
->arg2
;
1784 lookup_name(user_addr
, &framework_type
, &framework_name
);
1785 clen
+= clip_64bit(" A=", user_addr
);
1792 user_addr
= ((uint64_t)event
->arg1
<< 32) | (uint32_t)event
->arg2
;
1794 lookup_name(user_addr
, &framework_type
, &framework_name
);
1795 clen
+= clip_64bit(" A=", user_addr
);
1802 clen
+= printf(" B=0x%-8" PRIx64
, (uint64_t)event
->arg1
);
1805 case FMT_HFS_update
:
1807 static const struct {
1811 { DBG_HFS_UPDATE_SKIPPED
, 'S' },
1812 { DBG_HFS_UPDATE_FORCE
, 'F' },
1813 { DBG_HFS_UPDATE_MODIFIED
, 'M' },
1814 { DBG_HFS_UPDATE_MINOR
, 'N' },
1815 { DBG_HFS_UPDATE_DATEADDED
, 'd' },
1816 { DBG_HFS_UPDATE_CHGTIME
, 'c' },
1817 { DBG_HFS_UPDATE_ACCTIME
, 'a' },
1818 { DBG_HFS_UPDATE_MODTIME
, 'm' },
1823 int sflag
= (int)event
->arg2
;
1825 flagcount
= sizeof (hfsflags
) / sizeof (*hfsflags
);
1826 sbuf
= malloc(flagcount
+ 1);
1828 for (i
= 0; i
< flagcount
; i
++) {
1829 if (sflag
& hfsflags
[i
].flag
) {
1830 sbuf
[i
] = hfsflags
[i
].ch
;
1836 sbuf
[flagcount
] = '\0';
1838 clen
+= printf(" %*s(%s) ", 17 - flagcount
, "", sbuf
);
1842 pathname
= ktrace_get_path_for_vp(s
, event
->arg1
);
1856 if (dio
->io_errno
) {
1857 clen
+= printf(" D=0x%8.8" PRIx64
" [%3d]", dio
->blkno
, (int)dio
->io_errno
);
1860 clen
+= printf(" D=0x%8.8" PRIx64
" B=0x%-6" PRIx64
" BC:%s /dev/%s ", dio
->blkno
, dio
->iosize
, BC_STR(dio
->bc_info
), find_disk_name(dio
->dev
));
1862 clen
+= printf(" D=0x%8.8" PRIx64
" B=0x%-6" PRIx64
" /dev/%s ", dio
->blkno
, dio
->iosize
, find_disk_name(dio
->dev
));
1865 if (!(type
& P_DISKIO_READ
)) {
1866 pathname
= meta_find_name(dio
->blkno
);
1869 pathname
= ktrace_get_path_for_vp(s
, dio
->vnodeid
);
1885 clen
+= printf(" D=0x%8.8" PRIx64
" [%3" PRIu64
"]", dio
->blkno
, dio
->io_errno
);
1887 clen
+= printf(" D=0x%8.8" PRIx64
" B=0x%-6" PRIx64
" /dev/%s", dio
->blkno
, dio
->iosize
, generate_cs_disk_name(dio
->dev
, cs_diskname
));
1891 case FMT_SYNC_DISK_CS
:
1893 * physical disk sync cache
1895 clen
+= printf(" /dev/%s", generate_cs_disk_name(event
->arg1
, cs_diskname
));
1908 if (ti
->arg3
& MS_ASYNC
)
1909 mlen
+= sprintf(&buf
[mlen
], "MS_ASYNC | ");
1911 mlen
+= sprintf(&buf
[mlen
], "MS_SYNC | ");
1913 if (ti
->arg3
& MS_INVALIDATE
)
1914 mlen
+= sprintf(&buf
[mlen
], "MS_INVALIDATE | ");
1915 if (ti
->arg3
& MS_KILLPAGES
)
1916 mlen
+= sprintf(&buf
[mlen
], "MS_KILLPAGES | ");
1917 if (ti
->arg3
& MS_DEACTIVATE
)
1918 mlen
+= sprintf(&buf
[mlen
], "MS_DEACTIVATE | ");
1920 if (ti
->arg3
& ~(MS_ASYNC
| MS_SYNC
| MS_INVALIDATE
| MS_KILLPAGES
| MS_DEACTIVATE
))
1921 mlen
+= sprintf(&buf
[mlen
], "UNKNOWN | ");
1924 buf
[mlen
- 3] = '\0';
1927 clen
+= printf(" [%3d]", (int)event
->arg1
);
1929 user_addr
= (((off_t
)(unsigned int)(ti
->arg4
)) << 32) | (unsigned int)(ti
->arg1
);
1930 clen
+= clip_64bit(" A=", user_addr
);
1932 user_size
= (((off_t
)(unsigned int)(ti
->arg5
)) << 32) | (unsigned int)(ti
->arg2
);
1934 clen
+= printf(" B=0x%-16qx <%s>", user_size
, buf
);
1948 if (ti
->arg2
& LOCK_SH
)
1949 mlen
+= sprintf(&buf
[mlen
], "LOCK_SH | ");
1950 if (ti
->arg2
& LOCK_EX
)
1951 mlen
+= sprintf(&buf
[mlen
], "LOCK_EX | ");
1952 if (ti
->arg2
& LOCK_NB
)
1953 mlen
+= sprintf(&buf
[mlen
], "LOCK_NB | ");
1954 if (ti
->arg2
& LOCK_UN
)
1955 mlen
+= sprintf(&buf
[mlen
], "LOCK_UN | ");
1957 if (ti
->arg2
& ~(LOCK_SH
| LOCK_EX
| LOCK_NB
| LOCK_UN
))
1958 mlen
+= sprintf(&buf
[mlen
], "UNKNOWN | ");
1961 buf
[mlen
- 3] = '\0';
1964 clen
+= printf(" F=%-3d[%3d] <%s>", (int)ti
->arg1
, (int)event
->arg1
, buf
);
1966 clen
+= printf(" F=%-3d <%s>", (int)ti
->arg1
, buf
);
1980 clen
+= printf(" F=%-3d[%3d]", (int)ti
->arg1
, (int)event
->arg1
);
1982 clen
+= printf(" F=%-3d", (int)ti
->arg1
);
2045 case F_PATHPKG_CHECK
:
2046 p
= "PATHPKG_CHECK";
2052 if (event
->arg1
== 0)
2053 fd
= (int)event
->arg2
;
2060 case F_CHECK_OPENEVT
:
2061 p
= "CHECK_OPENEVT";
2071 case F_GLOBAL_NOCACHE
:
2073 p
= "CACHING OFF (GLOBAL)";
2075 p
= "CACHING ON (GLOBAL)";
2082 clen
+= printf(" <%s>", p
);
2084 clen
+= printf(" <%s> F=%d", p
, fd
);
2086 clen
+= printf(" <CMD=%d>", (int)ti
->arg2
);
2098 clen
+= printf(" F=%-3d[%3d]", (int)ti
->arg1
, (int)event
->arg1
);
2100 clen
+= printf(" F=%-3d", (int)ti
->arg1
);
2102 clen
+= printf(" <CMD=0x%x>", (int)ti
->arg2
);
2107 case FMT_IOCTL_SYNC
:
2112 clen
+= printf(" <DKIOCSYNCHRONIZE> B=%" PRIu64
" /dev/%s", (uint64_t)event
->arg3
, find_disk_name(event
->arg1
));
2117 case FMT_IOCTL_SYNCCACHE
:
2122 clen
+= printf(" <DKIOCSYNCHRONIZECACHE> /dev/%s", find_disk_name(event
->arg1
));
2127 case FMT_IOCTL_UNMAP
:
2132 clen
+= printf(" <DKIOCUNMAP> /dev/%s", find_disk_name(event
->arg1
));
2137 case FMT_UNMAP_INFO
:
2139 clen
+= printf(" D=0x%8.8" PRIx64
" B=0x%-6" PRIx64
" /dev/%s", (uint64_t)event
->arg2
, (uint64_t)event
->arg3
, find_disk_name(event
->arg1
));
2149 clen
+= printf(" [%3d]", (int)event
->arg1
);
2151 clen
+= printf(" S=%-3d", (int)event
->arg2
);
2158 * pread, pwrite, lseek
2160 clen
+= printf(" F=%-3d", (int)ti
->arg1
);
2163 clen
+= printf("[%3d] ", (int)event
->arg1
);
2165 if (format
== FMT_PREAD
)
2166 clen
+= printf(" B=0x%-8" PRIx64
" ", (uint64_t)event
->arg2
);
2168 clen
+= printf(" ");
2171 if (format
== FMT_PREAD
)
2172 offset_reassembled
= (((off_t
)(unsigned int)(ti
->arg3
)) << 32) | (unsigned int)(ti
->arg4
);
2175 offset_reassembled
= (((off_t
)(unsigned int)(arg2
)) << 32) | (unsigned int)(arg3
);
2177 offset_reassembled
= (((off_t
)(unsigned int)(event
->arg3
)) << 32) | (unsigned int)(event
->arg2
);
2180 clen
+= clip_64bit("O=", offset_reassembled
);
2182 if (format
== FMT_LSEEK
) {
2185 if (ti
->arg3
== SEEK_SET
)
2187 else if (ti
->arg3
== SEEK_CUR
)
2189 else if (ti
->arg3
== SEEK_END
)
2194 clen
+= printf(" <%s>", mode
);
2203 clen
+= printf(" F=%-3d ", (int)ti
->arg1
);
2206 clen
+= printf("[%3d] ", (int)event
->arg1
);
2208 user_addr
= (((off_t
)(unsigned int)(ti
->arg2
)) << 32) | (unsigned int)(ti
->arg3
);
2210 clen
+= clip_64bit("A=", user_addr
);
2212 offset_reassembled
= (((off_t
)(unsigned int)(ti
->arg6
)) << 32) | (unsigned int)(ti
->arg7
);
2214 clen
+= clip_64bit("O=", offset_reassembled
);
2216 user_size
= (((off_t
)(unsigned int)(ti
->arg4
)) << 32) | (unsigned int)(ti
->arg5
);
2218 clen
+= printf("B=0x%-16qx", user_size
);
2220 clen
+= printf(" <");
2222 if (ti
->arg8
& PROT_READ
)
2223 clen
+= printf("READ");
2225 if (ti
->arg8
& PROT_WRITE
)
2226 clen
+= printf("|WRITE");
2228 if (ti
->arg8
& PROT_EXEC
)
2229 clen
+= printf("|EXEC");
2231 clen
+= printf(">");
2239 * ftruncate, truncate
2241 if (format
== FMT_FTRUNC
)
2242 clen
+= printf(" F=%-3d", (int)ti
->arg1
);
2244 clen
+= printf(" ");
2247 clen
+= printf("[%3d]", (int)event
->arg1
);
2250 offset_reassembled
= (((off_t
)(unsigned int)(ti
->arg2
)) << 32) | (unsigned int)(ti
->arg3
);
2252 offset_reassembled
= (((off_t
)(unsigned int)(ti
->arg3
)) << 32) | (unsigned int)(ti
->arg2
);
2254 clen
+= clip_64bit(" O=", offset_reassembled
);
2267 if (format
== FMT_FCHFLAGS
) {
2269 clen
+= printf(" F=%-3d[%3d]", (int)ti
->arg1
, (int)event
->arg1
);
2271 clen
+= printf(" F=%-3d", (int)ti
->arg1
);
2274 clen
+= printf(" [%3d] ", (int)event
->arg1
);
2280 if (ti
->arg2
& UF_NODUMP
)
2281 mlen
+= sprintf(&buf
[mlen
], "UF_NODUMP | ");
2282 if (ti
->arg2
& UF_IMMUTABLE
)
2283 mlen
+= sprintf(&buf
[mlen
], "UF_IMMUTABLE | ");
2284 if (ti
->arg2
& UF_APPEND
)
2285 mlen
+= sprintf(&buf
[mlen
], "UF_APPEND | ");
2286 if (ti
->arg2
& UF_OPAQUE
)
2287 mlen
+= sprintf(&buf
[mlen
], "UF_OPAQUE | ");
2288 if (ti
->arg2
& SF_ARCHIVED
)
2289 mlen
+= sprintf(&buf
[mlen
], "SF_ARCHIVED | ");
2290 if (ti
->arg2
& SF_IMMUTABLE
)
2291 mlen
+= sprintf(&buf
[mlen
], "SF_IMMUTABLE | ");
2292 if (ti
->arg2
& SF_APPEND
)
2293 mlen
+= sprintf(&buf
[mlen
], "SF_APPEND | ");
2296 mlen
+= sprintf(&buf
[mlen
], "CLEAR_ALL_FLAGS | ");
2297 else if (ti
->arg2
& ~(UF_NODUMP
| UF_IMMUTABLE
| UF_APPEND
| SF_ARCHIVED
| SF_IMMUTABLE
| SF_APPEND
))
2298 mlen
+= sprintf(&buf
[mlen
], "UNKNOWN | ");
2307 memset(&buf
[mlen
], ' ', 19 - mlen
);
2312 clen
+= printf("%s", buf
);
2320 case FMT_FCHMOD_EXT
:
2326 * fchmod, fchmod_extended, chmod, chmod_extended
2330 if (format
== FMT_FCHMOD
|| format
== FMT_FCHMOD_EXT
) {
2332 clen
+= printf(" F=%-3d[%3d] ", (int)ti
->arg1
, (int)event
->arg1
);
2334 clen
+= printf(" F=%-3d ", (int)ti
->arg1
);
2337 clen
+= printf(" [%3d] ", (int)event
->arg1
);
2339 clen
+= printf(" ");
2342 if (format
== FMT_UMASK
)
2344 else if (format
== FMT_FCHMOD
|| format
== FMT_CHMOD
|| format
== FMT_CHMODAT
)
2349 get_mode_string(mode
, &buf
[0]);
2351 if (event
->arg1
== 0)
2352 clen
+= printf("<%s> ", buf
);
2354 clen
+= printf("<%s>", buf
);
2365 memset(mode
, '_', 4);
2368 if (ti
->arg2
& R_OK
)
2370 if (ti
->arg2
& W_OK
)
2372 if (ti
->arg2
& X_OK
)
2374 if (ti
->arg2
== F_OK
)
2378 clen
+= printf(" [%3d] (%s) ", (int)event
->arg1
, mode
);
2380 clen
+= printf(" (%s) ", mode
);
2389 clen
+= printf(" [%3d] <FLGS=0x%" PRIx64
"> ", (int)event
->arg1
, ti
->arg3
);
2391 clen
+= printf(" <FLGS=0x%" PRIx64
"> ", ti
->arg3
);
2401 if (ti
->arg2
& MNT_FORCE
)
2402 mountflag
= "<FORCE>";
2407 clen
+= printf(" [%3d] %s ", (int)event
->arg1
, mountflag
);
2409 clen
+= printf(" %s ", mountflag
);
2416 clen
+= print_open(event
, ti
->arg2
);
2421 clen
+= print_open(event
, ti
->arg3
);
2425 case FMT_GUARDED_OPEN
:
2426 clen
+= print_open(event
, ti
->arg4
);
2457 domain
= "AF_IMPLINK";
2467 type
= "SOCK_STREAM";
2470 type
= "SOCK_DGRAM";
2481 clen
+= printf(" [%3d] <%s, %s, 0x%" PRIx64
">", (int)event
->arg1
, domain
, type
, ti
->arg3
);
2483 clen
+= printf(" F=%-3d <%s, %s, 0x%" PRIx64
">", (int)event
->arg2
, domain
, type
, ti
->arg3
);
2491 * aio_fsync [errno] AIOCBP OP
2495 if (ti
->arg1
== O_SYNC
|| ti
->arg1
== 0)
2498 else if (ti
->arg1
== O_DSYNC
)
2505 clen
+= printf(" [%3d] P=0x%8.8" PRIx64
" <%s>", (int)event
->arg1
, ti
->arg2
, op
);
2507 clen
+= printf(" P=0x%8.8" PRIx64
" <%s>", ti
->arg2
, op
);
2512 case FMT_AIO_RETURN
:
2514 * aio_return [errno] AIOCBP IOSIZE
2517 clen
+= printf(" [%3d] P=0x%8.8" PRIx64
, (int)event
->arg1
, ti
->arg1
);
2519 clen
+= printf(" P=0x%8.8" PRIx64
" B=0x%-8" PRIx64
, ti
->arg1
, (uint64_t)event
->arg2
);
2523 case FMT_AIO_SUSPEND
:
2525 * aio_suspend [errno] NENTS
2528 clen
+= printf(" [%3d] N=%d", (int)event
->arg1
, (int)ti
->arg2
);
2530 clen
+= printf(" N=%d", (int)ti
->arg2
);
2534 case FMT_AIO_CANCEL
:
2536 * aio_cancel [errno] FD or AIOCBP (if non-null)
2540 clen
+= printf(" [%3d] P=0x%8." PRIx64
, (int)event
->arg1
, ti
->arg2
);
2542 clen
+= printf(" P=0x%8.8" PRIx64
, ti
->arg2
);
2545 clen
+= printf(" F=%-3d[%3d]", (int)ti
->arg1
, (int)event
->arg1
);
2547 clen
+= printf(" F=%-3d", (int)ti
->arg1
);
2554 * aio_error, aio_read, aio_write [errno] AIOCBP
2557 clen
+= printf(" [%3d] P=0x%8.8" PRIx64
, (int)event
->arg1
, ti
->arg1
);
2559 clen
+= printf(" P=0x%8.8" PRIx64
, ti
->arg1
);
2563 case FMT_LIO_LISTIO
: {
2565 * lio_listio [errno] NENTS MODE
2569 if (ti
->arg1
== LIO_NOWAIT
)
2571 else if (ti
->arg1
== LIO_WAIT
)
2577 clen
+= printf(" [%3d] N=%d <%s>", (int)event
->arg1
, (int)ti
->arg3
, op
);
2579 clen
+= printf(" N=%d <%s>", (int)ti
->arg3
, op
);
2587 * Calculate space available to print pathname
2589 if (columns
> MAXCOLS
|| wideflag
)
2590 clen
= columns
- (clen
+ 14 + 20 + 11);
2592 clen
= columns
- (clen
+ 14 + 12);
2597 if (framework_name
) {
2598 len
= sprintf(&buf
[0], " %s %s ", framework_type
, framework_name
);
2599 } else if (*pathname
!= '\0') {
2604 len
= sprintf(&buf
[0], " [%d]/%s ", (int)ti
->arg1
, pathname
);
2607 len
= sprintf(&buf
[0], " [%d]/%s ", (int)ti
->arg3
, pathname
);
2610 len
= sprintf(&buf
[0], " %s ", pathname
);
2613 if (format
== FMT_MOUNT
&& ti
->pathname2
[0] != '\0') {
2616 memset(&buf
[len
], ' ', 2);
2618 len2
= sprintf(&buf
[len
+2], " %s ", ti
->pathname2
);
2619 len
= len
+ 2 + len2
;
2627 * Add null padding if column length
2628 * is wider than the pathname length.
2630 memset(&buf
[len
], ' ', clen
- len
);
2634 } else if (clen
== len
) {
2636 } else if ((clen
> 0) && (clen
< len
)) {
2638 * This prints the tail end of the pathname
2640 buf
[len
-clen
] = ' ';
2642 pathname
= &buf
[len
- clen
];
2648 * fudge some additional system call overhead
2649 * that currently isn't tracked... this also
2650 * insures that we see a minimum of 1 us for
2653 usecs
= (mach_to_nano(now
- stime
) + (NSEC_PER_USEC
- 1)) / NSEC_PER_USEC
;
2654 secs
= usecs
/ USEC_PER_SEC
;
2655 usecs
-= secs
* USEC_PER_SEC
;
2667 if (columns
> MAXCOLS
|| wideflag
)
2668 printf("%s%s %3llu.%06llu%s %s.%" PRIu64
"\n", p1
, pathname
, secs
, usecs
, p2
, command_name
, threadid
);
2670 printf("%s%s %3llu.%06llu%s %-12.12s\n", p1
, pathname
, secs
, usecs
, p2
, command_name
);
2676 #pragma mark metadata info hash routines
2678 #define VN_HASH_SIZE 16384
2679 #define VN_HASH_MASK (VN_HASH_SIZE - 1)
2681 typedef struct meta_info
{
2682 struct meta_info
*m_next
;
2684 char m_name
[MAXPATHLEN
];
2687 meta_info_t m_info_hash
[VN_HASH_SIZE
];
2690 meta_add_name(uint64_t blockno
, const char *pathname
)
2695 hashid
= blockno
& VN_HASH_MASK
;
2697 for (mi
= m_info_hash
[hashid
]; mi
; mi
= mi
->m_next
) {
2698 if (mi
->m_blkno
== blockno
)
2703 mi
= malloc(sizeof (struct meta_info
));
2705 mi
->m_next
= m_info_hash
[hashid
];
2706 m_info_hash
[hashid
] = mi
;
2707 mi
->m_blkno
= blockno
;
2710 strncpy(mi
->m_name
, pathname
, sizeof (mi
->m_name
));
2714 meta_find_name(uint64_t blockno
)
2719 hashid
= blockno
& VN_HASH_MASK
;
2721 for (mi
= m_info_hash
[hashid
]; mi
; mi
= mi
->m_next
) {
2722 if (mi
->m_blkno
== blockno
)
2730 meta_delete_all(void)
2732 meta_info_t mi
, next
;
2735 for (i
= 0; i
< HASH_MASK
; i
++) {
2736 for (mi
= m_info_hash
[i
]; mi
; mi
= next
) {
2742 m_info_hash
[i
] = NULL
;
2746 #pragma mark event ("thread info") routines
2748 th_info_t th_info_hash
[HASH_SIZE
];
2749 th_info_t th_info_freelist
;
2752 add_event(ktrace_event_t event
, int type
)
2758 if ((ti
= th_info_freelist
))
2759 th_info_freelist
= ti
->next
;
2761 ti
= malloc(sizeof (struct th_info
));
2763 bzero(ti
, sizeof (struct th_info
));
2765 hashid
= event
->threadid
& HASH_MASK
;
2767 ti
->next
= th_info_hash
[hashid
];
2768 th_info_hash
[hashid
] = ti
;
2770 eventid
= event
->debugid
& KDBG_EVENTID_MASK
;
2772 if (eventid
== BSC_execve
|| eventid
== BSC_posix_spawn
) {
2773 const char *command
;
2775 command
= ktrace_get_execname_for_thread(s
, event
->threadid
);
2780 strncpy(ti
->command
, command
, sizeof (ti
->command
));
2781 ti
->command
[MAXCOMLEN
] = '\0';
2784 ti
->thread
= event
->threadid
;
2791 event_find(uint64_t thread
, int type
)
2796 hashid
= thread
& HASH_MASK
;
2798 for (ti
= th_info_hash
[hashid
]; ti
; ti
= ti
->next
) {
2799 if (ti
->thread
== thread
) {
2800 if (type
== ti
->type
)
2812 event_delete(th_info_t ti_to_delete
)
2818 hashid
= ti_to_delete
->thread
& HASH_MASK
;
2820 if ((ti
= th_info_hash
[hashid
])) {
2821 if (ti
== ti_to_delete
)
2822 th_info_hash
[hashid
] = ti
->next
;
2826 for (ti
= ti
->next
; ti
; ti
= ti
->next
) {
2827 if (ti
== ti_to_delete
) {
2828 ti_prev
->next
= ti
->next
;
2835 ti
->next
= th_info_freelist
;
2836 th_info_freelist
= ti
;
2842 event_delete_all(void)
2845 th_info_t ti_next
= 0;
2848 for (i
= 0; i
< HASH_SIZE
; i
++) {
2850 for (ti
= th_info_hash
[i
]; ti
; ti
= ti_next
) {
2852 ti
->next
= th_info_freelist
;
2853 th_info_freelist
= ti
;
2855 th_info_hash
[i
] = 0;
2860 event_enter(int type
, ktrace_event_t event
)
2871 case P_CS_SYNC_DISK
:
2881 if ((type
& CSC_MASK
) == BSC_BASE
) {
2882 if ((index
= BSC_INDEX(type
)) < MAX_BSD_SYSCALL
&& bsd_syscalls
[index
].sc_name
)
2889 if ((ti
= add_event(event
, type
)) == NULL
)
2892 ti
->stime
= event
->timestamp
;
2893 ti
->arg1
= event
->arg1
;
2894 ti
->arg2
= event
->arg2
;
2895 ti
->arg3
= event
->arg3
;
2896 ti
->arg4
= event
->arg4
;
2900 event_exit(char *sc_name
, int type
, ktrace_event_t event
, int format
)
2905 if ((ti
= event_find(event
->threadid
, type
)) == NULL
)
2908 pid
= ktrace_get_pid_for_thread(s
, event
->threadid
);
2910 if (check_filter_mode(pid
, ti
, type
, (int)event
->arg1
, (int)event
->arg2
, sc_name
)) {
2911 const char *pathname
;
2915 /* most things are just interested in the first lookup */
2916 if (ti
->pathname
[0] != '\0')
2917 pathname
= ti
->pathname
;
2922 format_print(ti
, sc_name
, event
, type
, format
, event
->timestamp
, ti
->stime
, ti
->waited
, pathname
, NULL
);
2929 event_mark_thread_waited(uint64_t thread
)
2934 hashid
= thread
& HASH_MASK
;
2936 for (ti
= th_info_hash
[hashid
]; ti
; ti
= ti
->next
) {
2937 if (ti
->thread
== thread
)
2942 #pragma mark network fd set routines
2945 struct pid_fd_set
*next
;
2948 size_t setsize
; /* number of *bytes*, not bits */
2951 struct pid_fd_set
*pfs_hash
[HASH_SIZE
];
2953 static struct pid_fd_set
*
2956 struct pid_fd_set
*pfs
;
2961 hashid
= pid
& HASH_MASK
;
2963 for (pfs
= pfs_hash
[hashid
]; pfs
; pfs
= pfs
->next
) {
2964 if (pfs
->pid
== pid
) {
2969 pfs
= calloc(1, sizeof (struct pid_fd_set
));
2974 pfs
->next
= pfs_hash
[hashid
];
2975 pfs_hash
[hashid
] = pfs
;
2981 fd_clear_pid(pid_t pid
)
2983 struct pid_fd_set
*pfs
, *prev
;
2989 hashid
= pid
& HASH_MASK
;
2991 pfs
= pfs_hash
[hashid
];
2995 if (pfs
->pid
== pid
) {
2997 prev
->next
= pfs
->next
;
2999 pfs_hash
[hashid
] = pfs
->next
;
3016 struct pid_fd_set
*pfs
, *next
;
3019 for (i
= 0; i
< HASH_SIZE
; i
++) {
3020 for (pfs
= pfs_hash
[i
]; pfs
; pfs
= next
) {
3032 fd_set_is_network(pid_t pid
, uint64_t fd
, bool set
)
3034 struct pid_fd_set
*pfs
;
3043 if (fd
>= pfs
->setsize
* CHAR_BIT
) {
3048 newsize
= MAX(((size_t)fd
+ CHAR_BIT
) / CHAR_BIT
, 2 * pfs
->setsize
);
3049 pfs
->set
= reallocf(pfs
->set
, newsize
);
3050 assert(pfs
->set
!= NULL
);
3052 bzero(pfs
->set
+ pfs
->setsize
, newsize
- pfs
->setsize
);
3053 pfs
->setsize
= newsize
;
3057 setbit(pfs
->set
, fd
);
3059 clrbit(pfs
->set
, fd
);
3063 fd_is_network(pid_t pid
, uint64_t fd
)
3065 struct pid_fd_set
*pfs
;
3072 if (fd
>= pfs
->setsize
* CHAR_BIT
) {
3076 return isset(pfs
->set
, fd
);
3079 #pragma mark shared region address lookup routines
3081 #define MAXINDEX 2048
3083 struct library_range
{
3088 struct library_info
{
3095 struct library_range framework32
= {0, 0};
3096 struct library_range framework64
= {0, 0};
3097 struct library_range framework64h
= {0, 0};
3099 struct library_info library_infos
[MAXINDEX
];
3100 int num_libraries
= 0;
3108 #define LINKEDIT_R 6
3111 sort_library_addresses(void)
3113 library_infos
[num_libraries
].b_address
= library_infos
[num_libraries
- 1].b_address
+ 0x800000;
3114 library_infos
[num_libraries
].e_address
= library_infos
[num_libraries
].b_address
;
3115 library_infos
[num_libraries
].name
= NULL
;
3117 qsort_b(library_infos
, num_libraries
, sizeof (struct library_info
), ^int(const void *aa
, const void *bb
) {
3118 struct library_info
*a
= (struct library_info
*)aa
;
3119 struct library_info
*b
= (struct library_info
*)bb
;
3121 if (a
->b_address
< b
->b_address
) return -1;
3122 if (a
->b_address
== b
->b_address
) return 0;
3128 scanline(char *inputstring
, char **argv
, int maxtokens
)
3131 char **ap
= argv
, *p
, *val
;
3133 for (p
= inputstring
; n
< maxtokens
&& p
!= NULL
; ) {
3134 while ((val
= strsep(&p
, " \t")) != NULL
&& *val
== '\0') ;
3146 read_shared_cache_map(const char *path
, struct library_range
*lr
, char *linkedit_name
)
3148 uint64_t b_address
, e_address
;
3150 char *fnp
, *fn_tofree
;
3152 char frameworkName
[256];
3156 int linkedit_found
= 0;
3157 char *substring
, *ptr
;
3159 bzero(buf
, sizeof(buf
));
3160 bzero(tokens
, sizeof(tokens
));
3165 if ((fd
= fopen(path
, "r")) == 0)
3168 while (fgets(buf
, 1023, fd
)) {
3169 if (strncmp(buf
, "mapping", 7))
3173 buf
[strlen(buf
)-1] = 0;
3175 frameworkName
[0] = 0;
3179 * Extract lib name from path name
3181 if ((substring
= strrchr(buf
, '.'))) {
3183 * There is a ".": name is whatever is between the "/" around the "."
3185 while ( *substring
!= '/') /* find "/" before "." */
3190 strncpy(frameworkName
, substring
, 256); /* copy path from "/" */
3191 frameworkName
[255] = 0;
3192 substring
= frameworkName
;
3194 while ( *substring
!= '/' && *substring
) /* find "/" after "." and stop string there */
3200 * No ".": take segment after last "/"
3207 substring
= ptr
+ 1;
3211 strncpy(frameworkName
, substring
, 256);
3212 frameworkName
[255] = 0;
3215 fnp
= malloc(strlen(frameworkName
) + 1);
3217 strcpy(fnp
, frameworkName
);
3219 while (fgets(buf
, 1023, fd
) && num_libraries
< (MAXINDEX
- 2)) {
3223 buf
[strlen(buf
)-1] = 0;
3225 ntokens
= scanline(buf
, tokens
, 64);
3230 if (strncmp(tokens
[0], "__TEXT", 6) == 0)
3232 else if (strncmp(tokens
[0], "__DATA", 6) == 0)
3234 else if (strncmp(tokens
[0], "__OBJC", 6) == 0)
3236 else if (strncmp(tokens
[0], "__IMPORT", 8) == 0)
3238 else if (strncmp(tokens
[0], "__UNICODE", 9) == 0)
3240 else if (strncmp(tokens
[0], "__IMAGE", 7) == 0)
3242 else if (strncmp(tokens
[0], "__LINKEDIT", 10) == 0)
3247 if (type
== LINKEDIT_R
&& linkedit_found
)
3251 b_address
= strtoull(tokens
[1], 0, 16);
3252 e_address
= strtoull(tokens
[3], 0, 16);
3254 library_infos
[num_libraries
].b_address
= b_address
;
3255 library_infos
[num_libraries
].e_address
= e_address
;
3256 library_infos
[num_libraries
].r_type
= type
;
3258 if (type
== LINKEDIT_R
) {
3259 library_infos
[num_libraries
].name
= linkedit_name
;
3262 library_infos
[num_libraries
].name
= fnp
;
3266 printf("%s(%d): %qx-%qx\n", frameworkInfo
[numFrameworks
].name
, type
, b_address
, e_address
);
3268 if (lr
->b_address
== 0 || b_address
< lr
->b_address
)
3269 lr
->b_address
= b_address
;
3271 if (lr
->e_address
== 0 || e_address
> lr
->e_address
)
3272 lr
->e_address
= e_address
;
3277 if (type
== LINKEDIT_R
)
3283 if (fgets(buf
, 1023, fd
) == 0)
3286 buf
[strlen(buf
)-1] = 0;
3292 printf("%s range, %qx-%qx\n", path
, lr
->b_address
, lr
->e_address
);
3298 init_shared_cache_mapping(void)
3300 read_shared_cache_map("/var/db/dyld/dyld_shared_cache_i386.map", &framework32
, "/var/db/dyld/dyld_shared_cache_i386");
3302 if (0 == read_shared_cache_map("/var/db/dyld/dyld_shared_cache_x86_64h.map", &framework64h
, "/var/db/dyld/dyld_shared_cache_x86_64h")) {
3303 read_shared_cache_map("/var/db/dyld/dyld_shared_cache_x86_64.map", &framework64
, "/var/db/dyld/dyld_shared_cache_x86_64");
3306 sort_library_addresses();
3310 lookup_name(uint64_t user_addr
, char **type
, char **name
)
3315 static char *frameworkType
[] = {
3328 if (num_libraries
) {
3329 if ((user_addr
>= framework32
.b_address
&& user_addr
< framework32
.e_address
) ||
3330 (user_addr
>= framework64
.b_address
&& user_addr
< framework64
.e_address
) ||
3331 (user_addr
>= framework64h
.b_address
&& user_addr
< framework64h
.e_address
)) {
3334 last
= num_libraries
;
3336 for (i
= num_libraries
/ 2; start
< last
; i
= start
+ ((last
- start
) / 2)) {
3337 if (user_addr
> library_infos
[i
].e_address
)
3343 if (start
< num_libraries
&&
3344 user_addr
>= library_infos
[start
].b_address
&& user_addr
< library_infos
[start
].e_address
) {
3345 *type
= frameworkType
[library_infos
[start
].r_type
];
3346 *name
= library_infos
[start
].name
;
3352 #pragma mark disk I/O tracking routines
3354 struct diskio
*free_diskios
= NULL
;
3355 struct diskio
*busy_diskios
= NULL
;
3358 diskio_start(uint64_t type
, uint64_t bp
, uint64_t dev
,
3359 uint64_t blkno
, uint64_t iosize
, ktrace_event_t event
)
3361 const char *command
;
3364 if ((dio
= free_diskios
)) {
3365 free_diskios
= dio
->next
;
3367 dio
= malloc(sizeof (struct diskio
));
3376 dio
->iosize
= iosize
;
3377 dio
->issued_time
= event
->timestamp
;
3378 dio
->issuing_thread
= event
->threadid
;
3379 dio
->issuing_pid
= ktrace_get_pid_for_thread(s
, event
->threadid
);
3383 command
= ktrace_get_execname_for_thread(s
, event
->threadid
);
3388 strncpy(dio
->issuing_command
, command
, MAXCOMLEN
);
3389 dio
->issuing_command
[MAXCOMLEN
] = '\0';
3391 dio
->next
= busy_diskios
;
3394 dio
->next
->prev
= dio
;
3402 diskio_find(uint64_t bp
)
3406 for (dio
= busy_diskios
; dio
; dio
= dio
->next
) {
3415 diskio_complete(uint64_t bp
, uint64_t io_errno
, uint64_t resid
,
3416 uint64_t thread
, uint64_t curtime
, struct timeval curtime_wall
)
3420 if ((dio
= diskio_find(bp
)) == NULL
) return NULL
;
3422 if (dio
== busy_diskios
) {
3423 if ((busy_diskios
= dio
->next
))
3424 dio
->next
->prev
= NULL
;
3427 dio
->next
->prev
= dio
->prev
;
3428 dio
->prev
->next
= dio
->next
;
3431 dio
->iosize
-= resid
;
3432 dio
->io_errno
= io_errno
;
3433 dio
->completed_time
= curtime
;
3434 dio
->completed_walltime
= curtime_wall
;
3435 dio
->completion_thread
= thread
;
3441 diskio_free(struct diskio
*dio
)
3443 dio
->next
= free_diskios
;
3448 diskio_print(struct diskio
*dio
)
3453 int format
= FMT_DISKIO
;
3459 if ((type
& P_CS_Class
) == P_CS_Class
) {
3461 case P_CS_ReadChunk
:
3464 format
= FMT_DISKIO_CS
;
3466 case P_CS_WriteChunk
:
3469 format
= FMT_DISKIO_CS
;
3474 format
= FMT_DISKIO_CS
;
3476 case P_CS_MetaWrite
:
3479 format
= FMT_DISKIO_CS
;
3481 case P_CS_TransformRead
:
3485 case P_CS_TransformWrite
:
3489 case P_CS_MigrationRead
:
3493 case P_CS_MigrationWrite
:
3503 strncpy(buf
, p
, len
);
3505 switch (type
& P_DISKIO_TYPE
) {
3538 strncpy(buf
, p
, len
);
3542 if (type
& P_DISKIO_ASYNC
)
3547 if (type
& P_DISKIO_NOCACHE
)
3550 int tier
= (type
& P_DISKIO_TIER_MASK
) >> P_DISKIO_TIER_SHIFT
;
3554 if (tier
> 0 && tier
< 10)
3555 buf
[len
++] = '0' + tier
;
3557 if (type
& P_DISKIO_TIER_UPGRADE
) {
3562 if (type
& P_DISKIO_PASSIVE
)
3570 if (check_filter_mode(-1, NULL
, type
, 0, 0, buf
)) {
3571 const char *pathname
= ktrace_get_path_for_vp(s
, dio
->vnodeid
);
3572 format_print(NULL
, buf
, NULL
, type
, format
, dio
->completed_time
,
3573 dio
->issued_time
, 1, pathname
? pathname
: "", dio
);
3577 #pragma mark disk name routines
3580 struct diskrec
*next
;
3585 struct diskrec
*disk_list
= NULL
;
3588 cache_disk_names(void)
3593 struct diskrec
*dnp
;
3595 if ((dirp
= opendir("/dev")) == NULL
)
3598 while ((dir
= readdir(dirp
)) != NULL
) {
3599 char nbuf
[MAXPATHLEN
];
3601 if (dir
->d_namlen
< 5 || strncmp("disk", dir
->d_name
, 4))
3604 snprintf(nbuf
, MAXPATHLEN
, "%s/%s", "/dev", dir
->d_name
);
3606 if (stat(nbuf
, &st
) < 0)
3609 if ((dnp
= malloc(sizeof(struct diskrec
))) == NULL
)
3612 if ((dnp
->diskname
= malloc(dir
->d_namlen
+ 1)) == NULL
) {
3616 strncpy(dnp
->diskname
, dir
->d_name
, dir
->d_namlen
);
3617 dnp
->diskname
[dir
->d_namlen
] = 0;
3618 dnp
->dev
= st
.st_rdev
;
3620 dnp
->next
= disk_list
;
3628 recache_disk_names(void)
3630 struct diskrec
*dnp
, *next_dnp
;
3632 for (dnp
= disk_list
; dnp
; dnp
= next_dnp
) {
3633 next_dnp
= dnp
->next
;
3635 free(dnp
->diskname
);
3644 find_disk_name(uint64_t dev
)
3646 struct diskrec
*dnp
;
3655 for (i
= 0; i
< 2; i
++) {
3656 for (dnp
= disk_list
; dnp
; dnp
= dnp
->next
) {
3657 if (dnp
->dev
== dev
)
3658 return (dnp
->diskname
);
3660 recache_disk_names();
3667 generate_cs_disk_name(uint64_t dev
, char *s
)
3672 sprintf(s
, "disk%" PRIu64
"s%" PRIu64
, (dev
>> 16) & 0xffff, dev
& 0xffff);