tools/perf/util/target.h

   1 #ifndef _PERF_TARGET_H
   2 #define _PERF_TARGET_H
   3
   4 #include <stdbool.h>
   5 #include <sys/types.h>
   6
   7 struct perf_target {
   8         const char   *pid;
   9         const char   *tid;
  10         const char   *cpu_list;
  11         const char   *uid_str;
  12         uid_t        uid;
  13         bool         system_wide;
  14 };
  15
  16 enum perf_target_errno {
  17         PERF_ERRNO_TARGET__SUCCESS              = 0,
  18
  19         /*
  20          * Choose an arbitrary negative big number not to clash with standard
  21          * errno since SUS requires the errno has distinct positive values.
  22          * See 'Issue 6' in the link below.
  23          *
  24          * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
  25          */
  26         __PERF_ERRNO_TARGET__START              = -10000,
  27
  28
  29         /* for perf_target__validate() */
  30         PERF_ERRNO_TARGET__PID_OVERRIDE_CPU     = __PERF_ERRNO_TARGET__START,
  31         PERF_ERRNO_TARGET__PID_OVERRIDE_UID,
  32         PERF_ERRNO_TARGET__UID_OVERRIDE_CPU,
  33         PERF_ERRNO_TARGET__PID_OVERRIDE_SYSTEM,
  34         PERF_ERRNO_TARGET__UID_OVERRIDE_SYSTEM,
  35
  36         /* for perf_target__parse_uid() */
  37         PERF_ERRNO_TARGET__INVALID_UID,
  38         PERF_ERRNO_TARGET__USER_NOT_FOUND,
  39
  40         __PERF_ERRNO_TARGET__END,
  41 };
  42
  43 enum perf_target_errno perf_target__validate(struct perf_target *target);
  44 enum perf_target_errno perf_target__parse_uid(struct perf_target *target);
  45
  46 int perf_target__strerror(struct perf_target *target, int errnum, char *buf,
  47                           size_t buflen);
  48
  49 #endif /* _PERF_TARGET_H */