* kcdata_add_type_definition(kcdata_p, KCTYPE_SAMPLE_DISK_IO_STATS, "sample_disk_io_stats",
* &disk_io_stats_def[0], sizeof(disk_io_stats_def)/sizeof(struct kcdata_subtype_descriptor));
*
+ * Feature description: Compression
+ * --------------------
+ * In order to avoid keeping large amunt of memory reserved for a panic stackshot, kcdata has support
+ * for compressing the buffer in a streaming fashion. New data pushed to the kcdata buffer will be
+ * automatically compressed using an algorithm selected by the API user (currently, we only support
+ * pass-through and zlib, in the future we plan to add WKDM support, see: 57913859).
+ *
+ * To start using compression, call:
+ * kcdata_init_compress(kcdata_p, hdr_tag, memcpy_f, comp_type);
+ * where:
+ * `kcdata_p` is the kcdata buffer that will be used
+ * `hdr_tag` is the usual header tag denoting what type of kcdata buffer this will be
+ * `memcpy_f` a memcpy(3) function to use to copy into the buffer, optional.
+ * `compy_type` is the compression type, see KCDCT_ZLIB for an example.
+ *
+ * Once compression is initialized:
+ * (1) all self-describing APIs will automatically compress
+ * (2) you can now use the following APIs to compress data into the buffer:
+ * (None of the following will compress unless kcdata_init_compress() has been called)
+ *
+ * - kcdata_push_data(kcdata_descriptor_t data, uint32_t type, uint32_t size, const void *input_data)
+ * Pushes the buffer of kctype @type at[@input_data, @input_data + @size]
+ * into the kcdata buffer @data, compressing if needed.
+ *
+ * - kcdata_push_array(kcdata_descriptor_t data, uint32_t type_of_element,
+ * uint32_t size_of_element, uint32_t count, const void *input_data)
+ * Pushes the array found at @input_data, with element type @type_of_element, where
+ * each element is of size @size_of_element and there are @count elements into the kcdata buffer
+ * at @data.
+ *
+ * - kcdata_compression_window_open/close(kcdata_descriptor_t data)
+ * In case the data you are trying to push to the kcdata buffer @data is difficult to predict,
+ * you can open a "compression window". Between an open and a close, no compression will be done.
+ * Once you clsoe the window, the underlying compression algorithm will compress the data into the buffer
+ * and automatically rewind the current end marker of the kcdata buffer.
+ * There is an ASCII art in kern_cdata.c to aid the reader in understanding
+ * this.
+ *
+ * - kcdata_finish_compression(kcdata_descriptor_t data)
+ * Must be called at the end to flush any underlying buffers used by the compression algorithms.
+ * This function will also add some statistics about the compression to the buffer which helps with
+ * decompressing later.
+ *
+ * Once you are done with the kcdata buffer, call kcdata_deinit_compress to
+ * free any buffers that may have been allocated internal to the compression
+ * algorithm.
*/
{
if (d->kcs_flags & KCS_SUBTYPE_FLAGS_ARRAY) {
/* size is composed as ((count &0xffff)<<16 | (elem_size & 0xffff)) */
- return (uint32_t)((d->kcs_elem_size & 0xffff) * ((d->kcs_elem_size & 0xffff0000)>>16));
+ return (uint32_t)((d->kcs_elem_size & 0xffff) * ((d->kcs_elem_size & 0xffff0000) >> 16));
}
return d->kcs_elem_size;
}
static inline uint32_t
kcs_get_elem_count(kcdata_subtype_descriptor_t d)
{
- if (d->kcs_flags & KCS_SUBTYPE_FLAGS_ARRAY)
+ if (d->kcs_flags & KCS_SUBTYPE_FLAGS_ARRAY) {
return (d->kcs_elem_size >> 16) & 0xffff;
+ }
return 1;
}
{
if (count > 1) {
/* means we are setting up an array */
- if (size > 0xffff || count > 0xffff)
+ if (size > 0xffff || count > 0xffff) {
return -1; //invalid argument
+ }
d->kcs_elem_size = ((count & 0xffff) << 16 | (size & 0xffff));
- }
- else
- {
+ } else {
d->kcs_elem_size = size;
}
return 0;
#define KCDATA_TYPE_TYPEDEFINTION 0x12u /* Meta type that describes a type on the fly. */
#define KCDATA_TYPE_CONTAINER_BEGIN \
0x13u /* Container type which has corresponding CONTAINER_END header. \
- * KCDATA_TYPE_CONTAINER_BEGIN has type in the data segment. \
- * Both headers have (uint64_t) ID for matching up nested data. \
- */
+ * KCDATA_TYPE_CONTAINER_BEGIN has type in the data segment. \
+ * Both headers have (uint64_t) ID for matching up nested data. \
+ */
#define KCDATA_TYPE_CONTAINER_END 0x14u
#define KCDATA_TYPE_ARRAY_PAD0 0x20u /* Array of data with 0 byte of padding*/
#define KCDATA_TYPE_PID 0x36u /* int32_t */
#define KCDATA_TYPE_PROCNAME 0x37u /* char * */
#define KCDATA_TYPE_NESTED_KCDATA 0x38u /* nested kcdata buffer */
+#define KCDATA_TYPE_LIBRARY_AOTINFO 0x39u /* struct user64_dyld_aot_info */
#define KCDATA_TYPE_BUFFER_END 0xF19158EDu
* numbers are byteswaps of each other
*/
-#define KCDATA_BUFFER_BEGIN_CRASHINFO 0xDEADF157u /* owner: corpses/task_corpse.h */
- /* type-range: 0x800 - 0x8ff */
-#define KCDATA_BUFFER_BEGIN_STACKSHOT 0x59a25807u /* owner: sys/stackshot.h */
- /* type-range: 0x900 - 0x93f */
-#define KCDATA_BUFFER_BEGIN_DELTA_STACKSHOT 0xDE17A59Au /* owner: sys/stackshot.h */
- /* type-range: 0x940 - 0x9ff */
-#define KCDATA_BUFFER_BEGIN_OS_REASON 0x53A20900u /* owner: sys/reason.h */
- /* type-range: 0x1000-0x103f */
-#define KCDATA_BUFFER_BEGIN_XNUPOST_CONFIG 0x1e21c09fu /* owner: osfmk/tests/kernel_tests.c */
- /* type-range: 0x1040-0x105f */
+#define KCDATA_BUFFER_BEGIN_CRASHINFO 0xDEADF157u /* owner: corpses/task_corpse.h */
+ /* type-range: 0x800 - 0x8ff */
+#define KCDATA_BUFFER_BEGIN_STACKSHOT 0x59a25807u /* owner: sys/stackshot.h */
+ /* type-range: 0x900 - 0x93f */
+#define KCDATA_BUFFER_BEGIN_COMPRESSED 0x434f4d50u /* owner: sys/stackshot.h */
+ /* type-range: 0x900 - 0x93f */
+#define KCDATA_BUFFER_BEGIN_DELTA_STACKSHOT 0xDE17A59Au /* owner: sys/stackshot.h */
+ /* type-range: 0x940 - 0x9ff */
+#define KCDATA_BUFFER_BEGIN_OS_REASON 0x53A20900u /* owner: sys/reason.h */
+ /* type-range: 0x1000-0x103f */
+#define KCDATA_BUFFER_BEGIN_XNUPOST_CONFIG 0x1e21c09fu /* owner: osfmk/tests/kernel_tests.c */
+ /* type-range: 0x1040-0x105f */
/* next type range number available 0x1060 */
/**************** definitions for XNUPOST *********************/
-#define XNUPOST_KCTYPE_TESTCONFIG 0x1040
+#define XNUPOST_KCTYPE_TESTCONFIG 0x1040
/**************** definitions for stackshot *********************/
/* This value must always match IO_NUM_PRIORITIES defined in thread_info.h */
-#define STACKSHOT_IO_NUM_PRIORITIES 4
+#define STACKSHOT_IO_NUM_PRIORITIES 4
/* This value must always match MAXTHREADNAMESIZE used in bsd */
-#define STACKSHOT_MAX_THREAD_NAME_SIZE 64
+#define STACKSHOT_MAX_THREAD_NAME_SIZE 64
/*
* NOTE: Please update kcdata/libkdd/kcdtypes.c if you make any changes
* in STACKSHOT_KCTYPE_* types.
*/
-#define STACKSHOT_KCTYPE_IOSTATS 0x901u /* io_stats_snapshot */
-#define STACKSHOT_KCTYPE_GLOBAL_MEM_STATS 0x902u /* struct mem_and_io_snapshot */
-#define STACKSHOT_KCCONTAINER_TASK 0x903u
-#define STACKSHOT_KCCONTAINER_THREAD 0x904u
-#define STACKSHOT_KCTYPE_TASK_SNAPSHOT 0x905u /* task_snapshot_v2 */
-#define STACKSHOT_KCTYPE_THREAD_SNAPSHOT 0x906u /* thread_snapshot_v2, thread_snapshot_v3 */
-#define STACKSHOT_KCTYPE_DONATING_PIDS 0x907u /* int[] */
-#define STACKSHOT_KCTYPE_SHAREDCACHE_LOADINFO 0x908u /* same as KCDATA_TYPE_LIBRARY_LOADINFO64 */
-#define STACKSHOT_KCTYPE_THREAD_NAME 0x909u /* char[] */
-#define STACKSHOT_KCTYPE_KERN_STACKFRAME 0x90Au /* struct stack_snapshot_frame32 */
-#define STACKSHOT_KCTYPE_KERN_STACKFRAME64 0x90Bu /* struct stack_snapshot_frame64 */
-#define STACKSHOT_KCTYPE_USER_STACKFRAME 0x90Cu /* struct stack_snapshot_frame32 */
-#define STACKSHOT_KCTYPE_USER_STACKFRAME64 0x90Du /* struct stack_snapshot_frame64 */
-#define STACKSHOT_KCTYPE_BOOTARGS 0x90Eu /* boot args string */
-#define STACKSHOT_KCTYPE_OSVERSION 0x90Fu /* os version string */
-#define STACKSHOT_KCTYPE_KERN_PAGE_SIZE 0x910u /* kernel page size in uint32_t */
-#define STACKSHOT_KCTYPE_JETSAM_LEVEL 0x911u /* jetsam level in uint32_t */
-#define STACKSHOT_KCTYPE_DELTA_SINCE_TIMESTAMP 0x912u /* timestamp used for the delta stackshot */
-#define STACKSHOT_KCTYPE_KERN_STACKLR 0x913u /* uint32_t */
-#define STACKSHOT_KCTYPE_KERN_STACKLR64 0x914u /* uint64_t */
-#define STACKSHOT_KCTYPE_USER_STACKLR 0x915u /* uint32_t */
-#define STACKSHOT_KCTYPE_USER_STACKLR64 0x916u /* uint64_t */
-#define STACKSHOT_KCTYPE_NONRUNNABLE_TIDS 0x917u /* uint64_t */
-#define STACKSHOT_KCTYPE_NONRUNNABLE_TASKS 0x918u /* uint64_t */
-#define STACKSHOT_KCTYPE_CPU_TIMES 0x919u /* struct stackshot_cpu_times or stackshot_cpu_times_v2 */
-#define STACKSHOT_KCTYPE_STACKSHOT_DURATION 0x91au /* struct stackshot_duration */
-#define STACKSHOT_KCTYPE_STACKSHOT_FAULT_STATS 0x91bu /* struct stackshot_fault_stats */
-#define STACKSHOT_KCTYPE_KERNELCACHE_LOADINFO 0x91cu /* kernelcache UUID -- same as KCDATA_TYPE_LIBRARY_LOADINFO64 */
-#define STACKSHOT_KCTYPE_THREAD_WAITINFO 0x91du /* struct stackshot_thread_waitinfo */
-#define STACKSHOT_KCTYPE_THREAD_GROUP_SNAPSHOT 0x91eu /* struct thread_group_snapshot or thread_group_snapshot_v2 */
-#define STACKSHOT_KCTYPE_THREAD_GROUP 0x91fu /* uint64_t */
-#define STACKSHOT_KCTYPE_JETSAM_COALITION_SNAPSHOT 0x920u /* struct jetsam_coalition_snapshot */
-#define STACKSHOT_KCTYPE_JETSAM_COALITION 0x921u /* uint64_t */
-#define STACKSHOT_KCTYPE_THREAD_POLICY_VERSION 0x922u /* THREAD_POLICY_INTERNAL_STRUCT_VERSION in uint32 */
-#define STACKSHOT_KCTYPE_INSTRS_CYCLES 0x923u /* struct instrs_cycles_snapshot */
-#define STACKSHOT_KCTYPE_USER_STACKTOP 0x924u /* struct stack_snapshot_stacktop */
-#define STACKSHOT_KCTYPE_ASID 0x925u /* uint32_t */
-#define STACKSHOT_KCTYPE_PAGE_TABLES 0x926u /* uint64_t */
-#define STACKSHOT_KCTYPE_SYS_SHAREDCACHE_LAYOUT 0x927u /* same as KCDATA_TYPE_LIBRARY_LOADINFO64 */
+#define STACKSHOT_KCTYPE_IOSTATS 0x901u /* io_stats_snapshot */
+#define STACKSHOT_KCTYPE_GLOBAL_MEM_STATS 0x902u /* struct mem_and_io_snapshot */
+#define STACKSHOT_KCCONTAINER_TASK 0x903u
+#define STACKSHOT_KCCONTAINER_THREAD 0x904u
+#define STACKSHOT_KCTYPE_TASK_SNAPSHOT 0x905u /* task_snapshot_v2 */
+#define STACKSHOT_KCTYPE_THREAD_SNAPSHOT 0x906u /* thread_snapshot_v2, thread_snapshot_v3 */
+#define STACKSHOT_KCTYPE_DONATING_PIDS 0x907u /* int[] */
+#define STACKSHOT_KCTYPE_SHAREDCACHE_LOADINFO 0x908u /* same as KCDATA_TYPE_LIBRARY_LOADINFO64 */
+#define STACKSHOT_KCTYPE_THREAD_NAME 0x909u /* char[] */
+#define STACKSHOT_KCTYPE_KERN_STACKFRAME 0x90Au /* struct stack_snapshot_frame32 */
+#define STACKSHOT_KCTYPE_KERN_STACKFRAME64 0x90Bu /* struct stack_snapshot_frame64 */
+#define STACKSHOT_KCTYPE_USER_STACKFRAME 0x90Cu /* struct stack_snapshot_frame32 */
+#define STACKSHOT_KCTYPE_USER_STACKFRAME64 0x90Du /* struct stack_snapshot_frame64 */
+#define STACKSHOT_KCTYPE_BOOTARGS 0x90Eu /* boot args string */
+#define STACKSHOT_KCTYPE_OSVERSION 0x90Fu /* os version string */
+#define STACKSHOT_KCTYPE_KERN_PAGE_SIZE 0x910u /* kernel page size in uint32_t */
+#define STACKSHOT_KCTYPE_JETSAM_LEVEL 0x911u /* jetsam level in uint32_t */
+#define STACKSHOT_KCTYPE_DELTA_SINCE_TIMESTAMP 0x912u /* timestamp used for the delta stackshot */
+#define STACKSHOT_KCTYPE_KERN_STACKLR 0x913u /* uint32_t */
+#define STACKSHOT_KCTYPE_KERN_STACKLR64 0x914u /* uint64_t */
+#define STACKSHOT_KCTYPE_USER_STACKLR 0x915u /* uint32_t */
+#define STACKSHOT_KCTYPE_USER_STACKLR64 0x916u /* uint64_t */
+#define STACKSHOT_KCTYPE_NONRUNNABLE_TIDS 0x917u /* uint64_t */
+#define STACKSHOT_KCTYPE_NONRUNNABLE_TASKS 0x918u /* uint64_t */
+#define STACKSHOT_KCTYPE_CPU_TIMES 0x919u /* struct stackshot_cpu_times or stackshot_cpu_times_v2 */
+#define STACKSHOT_KCTYPE_STACKSHOT_DURATION 0x91au /* struct stackshot_duration */
+#define STACKSHOT_KCTYPE_STACKSHOT_FAULT_STATS 0x91bu /* struct stackshot_fault_stats */
+#define STACKSHOT_KCTYPE_KERNELCACHE_LOADINFO 0x91cu /* kernelcache UUID -- same as KCDATA_TYPE_LIBRARY_LOADINFO64 */
+#define STACKSHOT_KCTYPE_THREAD_WAITINFO 0x91du /* struct stackshot_thread_waitinfo */
+#define STACKSHOT_KCTYPE_THREAD_GROUP_SNAPSHOT 0x91eu /* struct thread_group_snapshot or thread_group_snapshot_v2 */
+#define STACKSHOT_KCTYPE_THREAD_GROUP 0x91fu /* uint64_t */
+#define STACKSHOT_KCTYPE_JETSAM_COALITION_SNAPSHOT 0x920u /* struct jetsam_coalition_snapshot */
+#define STACKSHOT_KCTYPE_JETSAM_COALITION 0x921u /* uint64_t */
+#define STACKSHOT_KCTYPE_THREAD_POLICY_VERSION 0x922u /* THREAD_POLICY_INTERNAL_STRUCT_VERSION in uint32 */
+#define STACKSHOT_KCTYPE_INSTRS_CYCLES 0x923u /* struct instrs_cycles_snapshot */
+#define STACKSHOT_KCTYPE_USER_STACKTOP 0x924u /* struct stack_snapshot_stacktop */
+#define STACKSHOT_KCTYPE_ASID 0x925u /* uint32_t */
+#define STACKSHOT_KCTYPE_PAGE_TABLES 0x926u /* uint64_t */
+#define STACKSHOT_KCTYPE_SYS_SHAREDCACHE_LAYOUT 0x927u /* same as KCDATA_TYPE_LIBRARY_LOADINFO64 */
+#define STACKSHOT_KCTYPE_THREAD_DISPATCH_QUEUE_LABEL 0x928u /* dispatch queue label */
+#define STACKSHOT_KCTYPE_THREAD_TURNSTILEINFO 0x929u /* struct stackshot_thread_turnstileinfo */
+#define STACKSHOT_KCTYPE_TASK_CPU_ARCHITECTURE 0x92au /* struct stackshot_cpu_architecture */
+#define STACKSHOT_KCTYPE_LATENCY_INFO 0x92bu /* struct stackshot_latency_collection */
+#define STACKSHOT_KCTYPE_LATENCY_INFO_TASK 0x92cu /* struct stackshot_latency_task */
+#define STACKSHOT_KCTYPE_LATENCY_INFO_THREAD 0x92du /* struct stackshot_latency_thread */
+#define STACKSHOT_KCTYPE_LOADINFO64_TEXT_EXEC 0x92eu /* TEXT_EXEC load info -- same as KCDATA_TYPE_LIBRARY_LOADINFO64 */
+#define STACKSHOT_KCTYPE_AOTCACHE_LOADINFO 0x92fu /* struct dyld_aot_cache_uuid_info */
#define STACKSHOT_KCTYPE_TASK_DELTA_SNAPSHOT 0x940u /* task_delta_snapshot_v2 */
#define STACKSHOT_KCTYPE_THREAD_DELTA_SNAPSHOT 0x941u /* thread_delta_snapshot_v* */
};
struct stack_snapshot_frame64 {
- uint64_t lr;
- uint64_t sp;
+ uint64_t lr;
+ uint64_t sp;
};
struct dyld_uuid_info_32 {
- uint32_t imageLoadAddress; /* base address image is mapped at */
- uuid_t imageUUID;
+ uint32_t imageLoadAddress; /* base address image is mapped at */
+ uuid_t imageUUID;
};
struct dyld_uuid_info_64 {
- uint64_t imageLoadAddress; /* XXX image slide */
- uuid_t imageUUID;
+ uint64_t imageLoadAddress; /* XXX image slide */
+ uuid_t imageUUID;
};
struct dyld_uuid_info_64_v2 {
- uint64_t imageLoadAddress; /* XXX image slide */
- uuid_t imageUUID;
- /* end of version 1 of dyld_uuid_info_64. sizeof v1 was 24 */
- uint64_t imageSlidBaseAddress; /* slid base address of image */
+ uint64_t imageLoadAddress; /* XXX image slide */
+ uuid_t imageUUID;
+ /* end of version 1 of dyld_uuid_info_64. sizeof v1 was 24 */
+ uint64_t imageSlidBaseAddress; /* slid base address of image */
+};
+
+struct dyld_aot_cache_uuid_info {
+ uint64_t x86SlidBaseAddress; /* slid base address of x86 shared cache */
+ uuid_t x86UUID; /* UUID of x86 shared cache */
+ uint64_t aotSlidBaseAddress; /* slide base address of aot cache */
+ uuid_t aotUUID; /* UUID of aot shared cache */
};
struct user32_dyld_uuid_info {
- uint32_t imageLoadAddress; /* base address image is mapped into */
- uuid_t imageUUID; /* UUID of image */
+ uint32_t imageLoadAddress; /* base address image is mapped into */
+ uuid_t imageUUID; /* UUID of image */
};
struct user64_dyld_uuid_info {
- uint64_t imageLoadAddress; /* base address image is mapped into */
- uuid_t imageUUID; /* UUID of image */
+ uint64_t imageLoadAddress; /* base address image is mapped into */
+ uuid_t imageUUID; /* UUID of image */
+};
+
+#define DYLD_AOT_IMAGE_KEY_SIZE 32
+
+struct user64_dyld_aot_info {
+ uint64_t x86LoadAddress;
+ uint64_t aotLoadAddress;
+ uint64_t aotImageSize;
+ uint8_t aotImageKey[DYLD_AOT_IMAGE_KEY_SIZE];
};
enum task_snapshot_flags {
+ /* k{User,Kernel}64_p (values 0x1 and 0x2) are defined in generic_snapshot_flags */
kTaskRsrcFlagged = 0x4, // In the EXC_RESOURCE danger zone?
kTerminatedSnapshot = 0x8,
kPidSuspended = 0x10, // true for suspended task
/* 0x2000000 unused */
kTaskIsDirtyTracked = 0x4000000,
kTaskAllowIdleExit = 0x8000000,
+ kTaskIsTranslated = 0x10000000,
};
enum thread_snapshot_flags {
+ /* k{User,Kernel}64_p (values 0x1 and 0x2) are defined in generic_snapshot_flags */
kHasDispatchSerial = 0x4,
kStacksPCOnly = 0x8, /* Stack traces have no frame pointers. */
kThreadDarwinBG = 0x10, /* Thread is darwinbg */
};
struct mem_and_io_snapshot {
- uint32_t snapshot_magic;
- uint32_t free_pages;
- uint32_t active_pages;
- uint32_t inactive_pages;
- uint32_t purgeable_pages;
- uint32_t wired_pages;
- uint32_t speculative_pages;
- uint32_t throttled_pages;
- uint32_t filebacked_pages;
- uint32_t compressions;
- uint32_t decompressions;
- uint32_t compressor_size;
- int32_t busy_buffer_count;
- uint32_t pages_wanted;
- uint32_t pages_reclaimed;
- uint8_t pages_wanted_reclaimed_valid; // did mach_vm_pressure_monitor succeed?
+ uint32_t snapshot_magic;
+ uint32_t free_pages;
+ uint32_t active_pages;
+ uint32_t inactive_pages;
+ uint32_t purgeable_pages;
+ uint32_t wired_pages;
+ uint32_t speculative_pages;
+ uint32_t throttled_pages;
+ uint32_t filebacked_pages;
+ uint32_t compressions;
+ uint32_t decompressions;
+ uint32_t compressor_size;
+ int32_t busy_buffer_count;
+ uint32_t pages_wanted;
+ uint32_t pages_reclaimed;
+ uint8_t pages_wanted_reclaimed_valid; // did mach_vm_pressure_monitor succeed?
} __attribute__((packed));
/* SS_TH_* macros are for ths_state */
uint64_t tds_effective_policy;
} __attribute__ ((packed));
-struct io_stats_snapshot
-{
+struct io_stats_snapshot {
/*
* I/O Statistics
* XXX: These fields must be together.
uint64_t ss_metadata_count;
uint64_t ss_metadata_size;
/* XXX: I/O Statistics end */
-
} __attribute__ ((packed));
struct task_snapshot_v2 {
} __attribute__((packed));
typedef struct stackshot_thread_waitinfo {
- uint64_t owner; /* The thread that owns the object */
- uint64_t waiter; /* The thread that's waiting on the object */
- uint64_t context; /* A context uniquely identifying the object */
- uint8_t wait_type; /* The type of object that the thread is waiting on */
+ uint64_t owner; /* The thread that owns the object */
+ uint64_t waiter; /* The thread that's waiting on the object */
+ uint64_t context; /* A context uniquely identifying the object */
+ uint8_t wait_type; /* The type of object that the thread is waiting on */
} __attribute__((packed)) thread_waitinfo_t;
+typedef struct stackshot_thread_turnstileinfo {
+ uint64_t waiter; /* The thread that's waiting on the object */
+ uint64_t turnstile_context; /* Associated data (either thread id, or workq addr) */
+ uint8_t turnstile_priority;
+ uint8_t number_of_hops;
+#define STACKSHOT_TURNSTILE_STATUS_UNKNOWN 0x01 /* The final inheritor is unknown (bug?) */
+#define STACKSHOT_TURNSTILE_STATUS_LOCKED_WAITQ 0x02 /* A waitq was found to be locked */
+#define STACKSHOT_TURNSTILE_STATUS_WORKQUEUE 0x04 /* The final inheritor is a workqueue */
+#define STACKSHOT_TURNSTILE_STATUS_THREAD 0x08 /* The final inheritor is a thread */
+#define STACKSHOT_TURNSTILE_STATUS_BLOCKED_ON_TASK 0x10 /* blocked on task, dind't find thread */
+#define STACKSHOT_TURNSTILE_STATUS_HELD_IPLOCK 0x20 /* the ip_lock was held */
+ uint64_t turnstile_flags;
+} __attribute__((packed)) thread_turnstileinfo_t;
+
#define STACKSHOT_WAITOWNER_KERNEL (UINT64_MAX - 1)
#define STACKSHOT_WAITOWNER_PORT_LOCKED (UINT64_MAX - 2)
#define STACKSHOT_WAITOWNER_PSET_LOCKED (UINT64_MAX - 3)
#define STACKSHOT_WAITOWNER_THREQUESTED (UINT64_MAX - 6) /* workloop waiting for a new worker thread */
#define STACKSHOT_WAITOWNER_SUSPENDED (UINT64_MAX - 7) /* workloop is suspended */
+struct stackshot_cpu_architecture {
+ int32_t cputype;
+ int32_t cpusubtype;
+} __attribute__((packed));
struct stack_snapshot_stacktop {
uint64_t sp;
uint8_t stack_contents[8];
};
+/* only collected if STACKSHOT_COLLECTS_LATENCY_INFO is set to !0 */
+struct stackshot_latency_collection {
+ uint64_t latency_version;
+ uint64_t setup_latency;
+ uint64_t total_task_iteration_latency;
+ uint64_t total_terminated_task_iteration_latency;
+} __attribute__((packed));
+
+/* only collected if STACKSHOT_COLLECTS_LATENCY_INFO is set to !0 */
+struct stackshot_latency_task {
+ uint64_t task_uniqueid;
+ uint64_t setup_latency;
+ uint64_t task_thread_count_loop_latency;
+ uint64_t task_thread_data_loop_latency;
+ uint64_t cur_tsnap_latency;
+ uint64_t pmap_latency;
+ uint64_t bsd_proc_ids_latency;
+ uint64_t misc_latency;
+ uint64_t misc2_latency;
+ uint64_t end_latency;
+} __attribute__((packed));
+
+/* only collected if STACKSHOT_COLLECTS_LATENCY_INFO is set to !0 */
+struct stackshot_latency_thread {
+ uint64_t thread_id;
+ uint64_t cur_thsnap1_latency;
+ uint64_t dispatch_serial_latency;
+ uint64_t dispatch_label_latency;
+ uint64_t cur_thsnap2_latency;
+ uint64_t thread_name_latency;
+ uint64_t sur_times_latency;
+ uint64_t user_stack_latency;
+ uint64_t kernel_stack_latency;
+ uint64_t misc_latency;
+} __attribute__((packed));
+
/**************** definitions for crashinfo *********************/
/* FIXME some of these types aren't clean (fixed width, packed, and defined *here*) */
struct crashinfo_proc_uniqidentifierinfo {
- uint8_t p_uuid[16]; /* UUID of the main executable */
- uint64_t p_uniqueid; /* 64 bit unique identifier for process */
- uint64_t p_puniqueid; /* unique identifier for process's parent */
- uint64_t p_reserve2; /* reserved for future use */
- uint64_t p_reserve3; /* reserved for future use */
- uint64_t p_reserve4; /* reserved for future use */
+ uint8_t p_uuid[16]; /* UUID of the main executable */
+ uint64_t p_uniqueid; /* 64 bit unique identifier for process */
+ uint64_t p_puniqueid; /* unique identifier for process's parent */
+ uint64_t p_reserve2; /* reserved for future use */
+ uint64_t p_reserve3; /* reserved for future use */
+ uint64_t p_reserve4; /* reserved for future use */
} __attribute__((packed));
#define TASK_CRASHINFO_BEGIN KCDATA_BUFFER_BEGIN_CRASHINFO
#define TASK_CRASHINFO_PID 0x805
#define TASK_CRASHINFO_PPID 0x806
#define TASK_CRASHINFO_RUSAGE 0x807 /* struct rusage DEPRECATED do not use.
- This struct has longs in it */
+ * This struct has longs in it */
#define TASK_CRASHINFO_RUSAGE_INFO 0x808 /* struct rusage_info_v3 from resource.h */
#define TASK_CRASHINFO_PROC_NAME 0x809 /* char * */
#define TASK_CRASHINFO_PROC_STARTTIME 0x80B /* struct timeval64 */
#define TASK_CRASHINFO_LEDGER_NETWORK_NONVOLATILE 0x828 /* uint64_t */
#define TASK_CRASHINFO_LEDGER_NETWORK_NONVOLATILE_COMPRESSED 0x829 /* uint64_t */
#define TASK_CRASHINFO_LEDGER_WIRED_MEM 0x82A /* uint64_t */
-
-
+#define TASK_CRASHINFO_PROC_PERSONA_ID 0x82B /* uid_t */
+#define TASK_CRASHINFO_MEMORY_LIMIT_INCREASE 0x82C /* uint32_t */
+#define TASK_CRASHINFO_LEDGER_TAGGED_FOOTPRINT 0x82D /* uint64_t */
+#define TASK_CRASHINFO_LEDGER_TAGGED_FOOTPRINT_COMPRESSED 0x82E /* uint64_t */
+#define TASK_CRASHINFO_LEDGER_MEDIA_FOOTPRINT 0x82F /* uint64_t */
+#define TASK_CRASHINFO_LEDGER_MEDIA_FOOTPRINT_COMPRESSED 0x830 /* uint64_t */
+#define TASK_CRASHINFO_LEDGER_GRAPHICS_FOOTPRINT 0x831 /* uint64_t */
+#define TASK_CRASHINFO_LEDGER_GRAPHICS_FOOTPRINT_COMPRESSED 0x832 /* uint64_t */
+#define TASK_CRASHINFO_LEDGER_NEURAL_FOOTPRINT 0x833 /* uint64_t */
+#define TASK_CRASHINFO_LEDGER_NEURAL_FOOTPRINT_COMPRESSED 0x834 /* uint64_t */
+#define TASK_CRASHINFO_MEMORYSTATUS_EFFECTIVE_PRIORITY 0x835 /* int32_t */
#define TASK_CRASHINFO_END KCDATA_TYPE_BUFFER_END
#define EXIT_REASON_DISPATCH_QUEUE_NO 0x1006
struct exit_reason_snapshot {
- uint32_t ers_namespace;
- uint64_t ers_code;
- /* end of version 1 of exit_reason_snapshot. sizeof v1 was 12 */
- uint64_t ers_flags;
+ uint32_t ers_namespace;
+ uint64_t ers_code;
+ /* end of version 1 of exit_reason_snapshot. sizeof v1 was 12 */
+ uint64_t ers_flags;
} __attribute__((packed));
#define EXIT_REASON_CODESIG_PATH_MAX 1024
static inline
-kcdata_iter_t kcdata_iter(void *buffer, unsigned long size) {
+kcdata_iter_t
+kcdata_iter(void *buffer, unsigned long size)
+{
kcdata_iter_t iter;
iter.item = (kcdata_item_t) buffer;
iter.end = (void*) (((uintptr_t)buffer) + size);
kcdata_iter_t kcdata_iter_unsafe(void *buffer) __attribute__((deprecated));
static inline
-kcdata_iter_t kcdata_iter_unsafe(void *buffer) {
+kcdata_iter_t
+kcdata_iter_unsafe(void *buffer)
+{
kcdata_iter_t iter;
iter.item = (kcdata_item_t) buffer;
iter.end = (void*) (uintptr_t) ~0;
return iter;
}
-static const kcdata_iter_t kcdata_invalid_iter = { .item = 0, .end = 0 };
+static const kcdata_iter_t kcdata_invalid_iter = { .item = NULL, .end = NULL };
static inline
-int kcdata_iter_valid(kcdata_iter_t iter) {
+int
+kcdata_iter_valid(kcdata_iter_t iter)
+{
return
- ( (uintptr_t)iter.item + sizeof(struct kcdata_item) <= (uintptr_t)iter.end ) &&
- ( (uintptr_t)iter.item + sizeof(struct kcdata_item) + iter.item->size <= (uintptr_t)iter.end);
+ ((uintptr_t)iter.item + sizeof(struct kcdata_item) <= (uintptr_t)iter.end) &&
+ ((uintptr_t)iter.item + sizeof(struct kcdata_item) + iter.item->size <= (uintptr_t)iter.end);
}
static inline
-kcdata_iter_t kcdata_iter_next(kcdata_iter_t iter) {
+kcdata_iter_t
+kcdata_iter_next(kcdata_iter_t iter)
+{
iter.item = (kcdata_item_t) (((uintptr_t)iter.item) + sizeof(struct kcdata_item) + (iter.item->size));
return iter;
}
static inline uint32_t
kcdata_iter_type(kcdata_iter_t iter)
{
- if ((iter.item->type & ~0xfu) == KCDATA_TYPE_ARRAY_PAD0)
+ if ((iter.item->type & ~0xfu) == KCDATA_TYPE_ARRAY_PAD0) {
return KCDATA_TYPE_ARRAY;
- else
+ } else {
return iter.item->type;
+ }
}
static inline uint32_t
kcdata_iter_is_legacy_item(kcdata_iter_t iter, uint32_t legacy_size)
{
uint32_t legacy_size_padded = legacy_size + kcdata_calc_padding(legacy_size);
- return (iter.item->size == legacy_size_padded &&
- (iter.item->flags & (KCDATA_FLAGS_STRUCT_PADDING_MASK | KCDATA_FLAGS_STRUCT_HAS_PADDING)) == 0);
-
+ return iter.item->size == legacy_size_padded &&
+ (iter.item->flags & (KCDATA_FLAGS_STRUCT_PADDING_MASK | KCDATA_FLAGS_STRUCT_HAS_PADDING)) == 0;
}
static inline uint32_t
}
not_legacy:
default:
- if (iter.item->size < kcdata_flags_get_padding(iter.item->flags))
+ if (iter.item->size < kcdata_flags_get_padding(iter.item->flags)) {
return 0;
- else
+ } else {
return iter.item->size - kcdata_flags_get_padding(iter.item->flags);
+ }
}
}
}
static inline
-void * kcdata_iter_payload(kcdata_iter_t iter) {
+void *
+kcdata_iter_payload(kcdata_iter_t iter)
+{
return &iter.item->data;
}
static inline
-uint32_t kcdata_iter_array_elem_type(kcdata_iter_t iter) {
+uint32_t
+kcdata_iter_array_elem_type(kcdata_iter_t iter)
+{
return (iter.item->flags >> 32) & UINT32_MAX;
}
static inline
-uint32_t kcdata_iter_array_elem_count(kcdata_iter_t iter) {
+uint32_t
+kcdata_iter_array_elem_count(kcdata_iter_t iter)
+{
return (iter.item->flags) & UINT32_MAX;
}
static inline
uint32_t
-kcdata_iter_array_size_switch(kcdata_iter_t iter) {
- switch(kcdata_iter_array_elem_type(iter)) {
+kcdata_iter_array_size_switch(kcdata_iter_t iter)
+{
+ switch (kcdata_iter_array_elem_type(iter)) {
case KCDATA_TYPE_LIBRARY_LOADINFO:
return sizeof(struct dyld_uuid_info_32);
case KCDATA_TYPE_LIBRARY_LOADINFO64:
return sizeof(int32_t);
case STACKSHOT_KCTYPE_THREAD_DELTA_SNAPSHOT:
return sizeof(struct thread_delta_snapshot_v2);
- // This one is only here to make some unit tests work. It should be OK to
- // remove.
+ // This one is only here to make some unit tests work. It should be OK to
+ // remove.
case TASK_CRASHINFO_CRASHED_THREADID:
return sizeof(uint64_t);
default:
}
static inline
-int kcdata_iter_array_valid(kcdata_iter_t iter) {
- if (!kcdata_iter_valid(iter))
+int
+kcdata_iter_array_valid(kcdata_iter_t iter)
+{
+ if (!kcdata_iter_valid(iter)) {
return 0;
- if (kcdata_iter_type(iter) != KCDATA_TYPE_ARRAY)
+ }
+ if (kcdata_iter_type(iter) != KCDATA_TYPE_ARRAY) {
return 0;
- if (kcdata_iter_array_elem_count(iter) == 0)
+ }
+ if (kcdata_iter_array_elem_count(iter) == 0) {
return iter.item->size == 0;
+ }
if (iter.item->type == KCDATA_TYPE_ARRAY) {
uint32_t elem_size = kcdata_iter_array_size_switch(iter);
- if (elem_size == 0)
+ if (elem_size == 0) {
return 0;
+ }
/* sizes get aligned to the nearest 16. */
return
- kcdata_iter_array_elem_count(iter) <= iter.item->size / elem_size &&
- iter.item->size % kcdata_iter_array_elem_count(iter) < 16;
+ kcdata_iter_array_elem_count(iter) <= iter.item->size / elem_size &&
+ iter.item->size % kcdata_iter_array_elem_count(iter) < 16;
} else {
return
- (iter.item->type & 0xf) <= iter.item->size &&
- kcdata_iter_array_elem_count(iter) <= iter.item->size - (iter.item->type & 0xf) &&
- (iter.item->size - (iter.item->type & 0xf)) % kcdata_iter_array_elem_count(iter) == 0;
+ (iter.item->type & 0xf) <= iter.item->size &&
+ kcdata_iter_array_elem_count(iter) <= iter.item->size - (iter.item->type & 0xf) &&
+ (iter.item->size - (iter.item->type & 0xf)) % kcdata_iter_array_elem_count(iter) == 0;
}
}
static inline
-uint32_t kcdata_iter_array_elem_size(kcdata_iter_t iter) {
- if (iter.item->type == KCDATA_TYPE_ARRAY)
+uint32_t
+kcdata_iter_array_elem_size(kcdata_iter_t iter)
+{
+ if (iter.item->type == KCDATA_TYPE_ARRAY) {
return kcdata_iter_array_size_switch(iter);
- if (kcdata_iter_array_elem_count(iter) == 0)
+ }
+ if (kcdata_iter_array_elem_count(iter) == 0) {
return 0;
+ }
return (iter.item->size - (iter.item->type & 0xf)) / kcdata_iter_array_elem_count(iter);
}
static inline
-int kcdata_iter_container_valid(kcdata_iter_t iter) {
+int
+kcdata_iter_container_valid(kcdata_iter_t iter)
+{
return
- kcdata_iter_valid(iter) &&
- kcdata_iter_type(iter) == KCDATA_TYPE_CONTAINER_BEGIN &&
- iter.item->size >= sizeof(uint32_t);
+ kcdata_iter_valid(iter) &&
+ kcdata_iter_type(iter) == KCDATA_TYPE_CONTAINER_BEGIN &&
+ iter.item->size >= sizeof(uint32_t);
}
static inline
-uint32_t kcdata_iter_container_type(kcdata_iter_t iter) {
- return * (uint32_t *) kcdata_iter_payload(iter);
+uint32_t
+kcdata_iter_container_type(kcdata_iter_t iter)
+{
+ return *(uint32_t *) kcdata_iter_payload(iter);
}
static inline
-uint64_t kcdata_iter_container_id(kcdata_iter_t iter) {
+uint64_t
+kcdata_iter_container_id(kcdata_iter_t iter)
+{
return iter.item->flags;
}
{
KCDATA_ITER_FOREACH(iter)
{
- if (kcdata_iter_type(iter) == type)
+ if (kcdata_iter_type(iter) == type) {
return iter;
+ }
}
return kcdata_invalid_iter;
}
static inline
-int kcdata_iter_data_with_desc_valid(kcdata_iter_t iter, uint32_t minsize) {
+int
+kcdata_iter_data_with_desc_valid(kcdata_iter_t iter, uint32_t minsize)
+{
return
- kcdata_iter_valid(iter) &&
- kcdata_iter_size(iter) >= KCDATA_DESC_MAXLEN + minsize &&
- ((char*)kcdata_iter_payload(iter))[KCDATA_DESC_MAXLEN-1] == 0;
+ kcdata_iter_valid(iter) &&
+ kcdata_iter_size(iter) >= KCDATA_DESC_MAXLEN + minsize &&
+ ((char*)kcdata_iter_payload(iter))[KCDATA_DESC_MAXLEN - 1] == 0;
}
static inline
-char *kcdata_iter_string(kcdata_iter_t iter, uint32_t offset) {
+char *
+kcdata_iter_string(kcdata_iter_t iter, uint32_t offset)
+{
if (offset > kcdata_iter_size(iter)) {
return NULL;
}
}
}
-static inline void kcdata_iter_get_data_with_desc(kcdata_iter_t iter, char **desc_ptr, void **data_ptr, uint32_t *size_ptr) {
- if (desc_ptr)
+static inline void
+kcdata_iter_get_data_with_desc(kcdata_iter_t iter, char **desc_ptr, void **data_ptr, uint32_t *size_ptr)
+{
+ if (desc_ptr) {
*desc_ptr = (char *)kcdata_iter_payload(iter);
- if (data_ptr)
+ }
+ if (data_ptr) {
*data_ptr = (void *)((uintptr_t)kcdata_iter_payload(iter) + KCDATA_DESC_MAXLEN);
- if (size_ptr)
+ }
+ if (size_ptr) {
*size_ptr = kcdata_iter_size(iter) - KCDATA_DESC_MAXLEN;
+ }
}
#endif
projects / apple / xnu.git / blobdiff