osfmk/kperf/threadinfo.h

   1 /*
   2  * Copyright (c) 2011 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #ifndef __AP_THREADINFO_H__
  30 #define __AP_THREADINFO_H__
  31
  32 /* 'live' threadinfo */
  33 struct threadinfo
  34 {
  35         uint64_t pid;
  36         uint64_t tid;
  37         uint64_t dq_addr;
  38         uint64_t runmode;
  39 };
  40
  41 /* extra info we sample out of bounds */
  42 #define CHUD_MAXPCOMM 16  /* copy from kernel somewhere :P */
  43 struct tinfo_ex
  44 {
  45         char p_comm[CHUD_MAXPCOMM+1]; /* XXX: 16 + 1 */
  46 };
  47
  48 struct kperf_context;
  49 extern void kperf_threadinfo_sample(struct threadinfo *ti, struct kperf_context *);
  50 extern void kperf_threadinfo_log(struct threadinfo *ti);
  51
  52 extern void kperf_threadinfo_extra_sample(struct tinfo_ex *, struct kperf_context *);
  53 extern int kperf_threadinfo_extra_pend(struct kperf_context *);
  54 extern void kperf_threadinfo_extra_log(struct tinfo_ex *);
  55
  56 #endif /* __AP_THREADINFO_H__ */