Contributors: 13
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Namhyung Kim |
152 |
46.77% |
8 |
32.00% |
| Dongsheng Yang |
45 |
13.85% |
1 |
4.00% |
| Arnaldo Carvalho de Melo |
34 |
10.46% |
3 |
12.00% |
| Jin Yao |
22 |
6.77% |
1 |
4.00% |
| Song Liu |
19 |
5.85% |
2 |
8.00% |
| Ian Rogers |
15 |
4.62% |
2 |
8.00% |
| Changbin Du |
13 |
4.00% |
1 |
4.00% |
| Adrian Hunter |
8 |
2.46% |
2 |
8.00% |
| David Ahern |
7 |
2.15% |
1 |
4.00% |
| Peter Zijlstra |
3 |
0.92% |
1 |
4.00% |
| Jiri Olsa |
3 |
0.92% |
1 |
4.00% |
| Tengda Wu |
3 |
0.92% |
1 |
4.00% |
| Greg Kroah-Hartman |
1 |
0.31% |
1 |
4.00% |
| Total |
325 |
|
25 |
|
/* 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 *bpf_str;
bool system_wide;
bool uses_mmap;
bool default_per_cpu;
bool per_thread;
bool use_bpf;
bool inherit;
int initial_delay;
const char *attr_map;
};
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_SYSTEM,
TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD,
TARGET_ERRNO__BPF_OVERRIDE_CPU,
TARGET_ERRNO__BPF_OVERRIDE_PID,
TARGET_ERRNO__BPF_OVERRIDE_THREAD,
__TARGET_ERRNO__END,
};
enum target_errno target__validate(struct target *target);
uid_t parse_uid(const char *str);
int target__strerror(struct target *target, int errnum, char *buf, size_t buflen);
static inline bool target__has_task(const struct target *target)
{
return target->tid || target->pid;
}
static inline bool target__has_cpu(const struct target *target)
{
return target->system_wide || target->cpu_list;
}
static inline bool target__none(const struct target *target)
{
return !target__has_task(target) && !target__has_cpu(target);
}
static inline bool target__enable_on_exec(const struct target *target)
{
/*
* Normally enable_on_exec should be set if:
* 1) The tracee process is forked (not attaching to existed task or cpu).
* 2) And initial_delay is not configured.
* Otherwise, we enable tracee events manually.
*/
return target__none(target) && !target->initial_delay;
}
static inline bool target__has_per_thread(const struct target *target)
{
return target->system_wide && target->per_thread;
}
static inline bool target__uses_dummy_map(const 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 */