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 bool uses_mmap; 15 }; 16 17 enum perf_target_errno { 18 PERF_ERRNO_TARGET__SUCCESS = 0, 19 20 /* 21 * Choose an arbitrary negative big number not to clash with standard 22 * errno since SUS requires the errno has distinct positive values. 23 * See 'Issue 6' in the link below. 24 * 25 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html 26 */ 27 __PERF_ERRNO_TARGET__START = -10000, 28 29 30 /* for perf_target__validate() */ 31 PERF_ERRNO_TARGET__PID_OVERRIDE_CPU = __PERF_ERRNO_TARGET__START, 32 PERF_ERRNO_TARGET__PID_OVERRIDE_UID, 33 PERF_ERRNO_TARGET__UID_OVERRIDE_CPU, 34 PERF_ERRNO_TARGET__PID_OVERRIDE_SYSTEM, 35 PERF_ERRNO_TARGET__UID_OVERRIDE_SYSTEM, 36 37 /* for perf_target__parse_uid() */ 38 PERF_ERRNO_TARGET__INVALID_UID, 39 PERF_ERRNO_TARGET__USER_NOT_FOUND, 40 41 __PERF_ERRNO_TARGET__END, 42 }; 43 44 enum perf_target_errno perf_target__validate(struct perf_target *target); 45 enum perf_target_errno perf_target__parse_uid(struct perf_target *target); 46 47 int perf_target__strerror(struct perf_target *target, int errnum, char *buf, 48 size_t buflen); 49 50 static inline bool perf_target__has_task(struct perf_target *target) 51 { 52 return target->tid || target->pid || target->uid_str; 53 } 54 55 static inline bool perf_target__has_cpu(struct perf_target *target) 56 { 57 return target->system_wide || target->cpu_list; 58 } 59 60 static inline bool perf_target__none(struct perf_target *target) 61 { 62 return !perf_target__has_task(target) && !perf_target__has_cpu(target); 63 } 64 65 #endif /* _PERF_TARGET_H */ 66