80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
|
#ifndef _PERF_TARGET_H
|
||
|
|
#define _PERF_TARGET_H
|
||
|
|
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
struct target {
|
||
|
|
const char *pid;
|
||
|
|
const char *tid;
|
||
|
|
const char *cpu_list;
|
||
|
|
const char *uid_str;
|
||
|
|
uid_t uid;
|
||
|
|
bool system_wide;
|
||
|
|
bool uses_mmap;
|
||
|
|
bool default_per_cpu;
|
||
|
|
bool per_thread;
|
||
|
|
};
|
||
|
|
|
||
|
|
enum target_errno {
|
||
|
|
TARGET_ERRNO__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
|
||
|
|
*/
|
||
|
|
__TARGET_ERRNO__START = -10000,
|
||
|
|
|
||
|
|
/* for target__validate() */
|
||
|
|
TARGET_ERRNO__PID_OVERRIDE_CPU = __TARGET_ERRNO__START,
|
||
|
|
TARGET_ERRNO__PID_OVERRIDE_UID,
|
||
|
|
TARGET_ERRNO__UID_OVERRIDE_CPU,
|
||
|
|
TARGET_ERRNO__PID_OVERRIDE_SYSTEM,
|
||
|
|
TARGET_ERRNO__UID_OVERRIDE_SYSTEM,
|
||
|
|
TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD,
|
||
|
|
|
||
|
|
/* for target__parse_uid() */
|
||
|
|
TARGET_ERRNO__INVALID_UID,
|
||
|
|
TARGET_ERRNO__USER_NOT_FOUND,
|
||
|
|
|
||
|
|
__TARGET_ERRNO__END,
|
||
|
|
};
|
||
|
|
|
||
|
|
enum target_errno target__validate(struct target *target);
|
||
|
|
enum target_errno target__parse_uid(struct target *target);
|
||
|
|
|
||
|
|
int target__strerror(struct target *target, int errnum, char *buf, size_t buflen);
|
||
|
|
|
||
|
|
static inline bool target__has_task(struct target *target)
|
||
|
|
{
|
||
|
|
return target->tid || target->pid || target->uid_str;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline bool target__has_cpu(struct target *target)
|
||
|
|
{
|
||
|
|
return target->system_wide || target->cpu_list;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline bool target__none(struct target *target)
|
||
|
|
{
|
||
|
|
return !target__has_task(target) && !target__has_cpu(target);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline bool target__uses_dummy_map(struct target *target)
|
||
|
|
{
|
||
|
|
bool use_dummy = false;
|
||
|
|
|
||
|
|
if (target->default_per_cpu)
|
||
|
|
use_dummy = target->per_thread ? true : false;
|
||
|
|
else if (target__has_task(target) ||
|
||
|
|
(!target__has_cpu(target) && !target->uses_mmap))
|
||
|
|
use_dummy = true;
|
||
|
|
|
||
|
|
return use_dummy;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* _PERF_TARGET_H */
|