~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/tools/perf/util/target.h

Version: ~ [ linux-5.1-rc5 ] ~ [ linux-5.0.7 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.34 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.111 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.168 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.178 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.138 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.65 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.39.4 ] ~ [ linux-2.6.38.8 ] ~ [ linux-2.6.37.6 ] ~ [ linux-2.6.36.4 ] ~ [ linux-2.6.35.14 ] ~ [ linux-2.6.34.15 ] ~ [ linux-2.6.33.20 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef _PERF_TARGET_H
  3 #define _PERF_TARGET_H
  4 
  5 #include <stdbool.h>
  6 #include <sys/types.h>
  7 
  8 struct target {
  9         const char   *pid;
 10         const char   *tid;
 11         const char   *cpu_list;
 12         const char   *uid_str;
 13         uid_t        uid;
 14         bool         system_wide;
 15         bool         uses_mmap;
 16         bool         default_per_cpu;
 17         bool         per_thread;
 18 };
 19 
 20 enum target_errno {
 21         TARGET_ERRNO__SUCCESS           = 0,
 22 
 23         /*
 24          * Choose an arbitrary negative big number not to clash with standard
 25          * errno since SUS requires the errno has distinct positive values.
 26          * See 'Issue 6' in the link below.
 27          *
 28          * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
 29          */
 30         __TARGET_ERRNO__START           = -10000,
 31 
 32         /* for target__validate() */
 33         TARGET_ERRNO__PID_OVERRIDE_CPU  = __TARGET_ERRNO__START,
 34         TARGET_ERRNO__PID_OVERRIDE_UID,
 35         TARGET_ERRNO__UID_OVERRIDE_CPU,
 36         TARGET_ERRNO__PID_OVERRIDE_SYSTEM,
 37         TARGET_ERRNO__UID_OVERRIDE_SYSTEM,
 38         TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD,
 39 
 40         /* for target__parse_uid() */
 41         TARGET_ERRNO__INVALID_UID,
 42         TARGET_ERRNO__USER_NOT_FOUND,
 43 
 44         __TARGET_ERRNO__END,
 45 };
 46 
 47 enum target_errno target__validate(struct target *target);
 48 enum target_errno target__parse_uid(struct target *target);
 49 
 50 int target__strerror(struct target *target, int errnum, char *buf, size_t buflen);
 51 
 52 static inline bool target__has_task(struct target *target)
 53 {
 54         return target->tid || target->pid || target->uid_str;
 55 }
 56 
 57 static inline bool target__has_cpu(struct target *target)
 58 {
 59         return target->system_wide || target->cpu_list;
 60 }
 61 
 62 static inline bool target__none(struct target *target)
 63 {
 64         return !target__has_task(target) && !target__has_cpu(target);
 65 }
 66 
 67 static inline bool target__has_per_thread(struct target *target)
 68 {
 69         return target->system_wide && target->per_thread;
 70 }
 71 
 72 static inline bool target__uses_dummy_map(struct target *target)
 73 {
 74         bool use_dummy = false;
 75 
 76         if (target->default_per_cpu)
 77                 use_dummy = target->per_thread ? true : false;
 78         else if (target__has_task(target) ||
 79                  (!target__has_cpu(target) && !target->uses_mmap))
 80                 use_dummy = true;
 81         else if (target__has_per_thread(target))
 82                 use_dummy = true;
 83 
 84         return use_dummy;
 85 }
 86 
 87 #endif /* _PERF_TARGET_H */
 88 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp