1 #ifndef _PERF_TARGET_H 2 #define _PERF_TARGET_H 3 4 #include <stdbool.h> 5 #include <sys/types.h> 6 7 struct 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 bool force_per_cpu; 16 }; 17 18 enum target_errno { 19 TARGET_ERRNO__SUCCESS = 0, 20 21 /* 22 * Choose an arbitrary negative big number not to clash with standard 23 * errno since SUS requires the errno has distinct positive values. 24 * See 'Issue 6' in the link below. 25 * 26 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html 27 */ 28 __TARGET_ERRNO__START = -10000, 29 30 /* for target__validate() */ 31 TARGET_ERRNO__PID_OVERRIDE_CPU = __TARGET_ERRNO__START, 32 TARGET_ERRNO__PID_OVERRIDE_UID, 33 TARGET_ERRNO__UID_OVERRIDE_CPU, 34 TARGET_ERRNO__PID_OVERRIDE_SYSTEM, 35 TARGET_ERRNO__UID_OVERRIDE_SYSTEM, 36 37 /* for target__parse_uid() */ 38 TARGET_ERRNO__INVALID_UID, 39 TARGET_ERRNO__USER_NOT_FOUND, 40 41 __TARGET_ERRNO__END, 42 }; 43 44 enum target_errno target__validate(struct target *target); 45 enum target_errno target__parse_uid(struct target *target); 46 47 int target__strerror(struct target *target, int errnum, char *buf, size_t buflen); 48 49 static inline bool target__has_task(struct target *target) 50 { 51 return target->tid || target->pid || target->uid_str; 52 } 53 54 static inline bool target__has_cpu(struct target *target) 55 { 56 return target->system_wide || target->cpu_list; 57 } 58 59 static inline bool target__none(struct target *target) 60 { 61 return !target__has_task(target) && !target__has_cpu(target); 62 } 63 64 #endif /* _PERF_TARGET_H */ 65