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#ifndef _PERF_TARGET_H
#define _PERF_TARGET_H
#include <stdbool.h>
#include <sys/types.h>
struct perf_target {
const char *pid;
const char *tid;
const char *cpu_list;
const char *uid_str;
uid_t uid;
bool system_wide;
};
enum perf_target_errno {
PERF_ERRNO_TARGET__SUCCESS = 0,
/*
* Choose an arbitrary negative big number not to clash with standard
* errno since SUS requires the errno has distinct positive values.
* See 'Issue 6' in the link below.
*
* http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
*/
__PERF_ERRNO_TARGET__START = -10000,
/* for perf_target__validate() */
PERF_ERRNO_TARGET__PID_OVERRIDE_CPU = __PERF_ERRNO_TARGET__START,
PERF_ERRNO_TARGET__PID_OVERRIDE_UID,
PERF_ERRNO_TARGET__UID_OVERRIDE_CPU,
PERF_ERRNO_TARGET__PID_OVERRIDE_SYSTEM,
PERF_ERRNO_TARGET__UID_OVERRIDE_SYSTEM,
/* for perf_target__parse_uid() */
PERF_ERRNO_TARGET__INVALID_UID,
PERF_ERRNO_TARGET__USER_NOT_FOUND,
__PERF_ERRNO_TARGET__END,
};
enum perf_target_errno perf_target__validate(struct perf_target *target);
enum perf_target_errno perf_target__parse_uid(struct perf_target *target);
int perf_target__strerror(struct perf_target *target, int errnum, char *buf,
size_t buflen);
static inline bool perf_target__no_task(struct perf_target *target)
{
return !target->pid && !target->tid && !target->uid_str;
}
static inline bool perf_target__no_cpu(struct perf_target *target)
{
return !target->system_wide && !target->cpu_list;
}
static inline bool perf_target__none(struct perf_target *target)
{
return perf_target__no_task(target) && perf_target__no_cpu(target);
}
#endif /* _PERF_TARGET_H */
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