Contributors: 6
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Namhyung Kim |
162 |
54.73% |
7 |
53.85% |
| Dongsheng Yang |
61 |
20.61% |
1 |
7.69% |
| Jin Yao |
33 |
11.15% |
1 |
7.69% |
| Arnaldo Carvalho de Melo |
31 |
10.47% |
1 |
7.69% |
| Adrian Hunter |
8 |
2.70% |
2 |
15.38% |
| Greg Kroah-Hartman |
1 |
0.34% |
1 |
7.69% |
| Total |
296 |
|
13 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#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__has_per_thread(struct target *target)
{
return target->system_wide && target->per_thread;
}
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;
else if (target__has_per_thread(target))
use_dummy = true;
return use_dummy;
}
#endif /* _PERF_TARGET_H */