mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-30 16:13:54 +08:00
d1cb9fce92
If perf doesn't mmap on event (like perf stat), it should not create per-task-per-cpu events. So just use a dummy cpu map to create a per-task event for this case. Signed-off-by: Namhyung Kim <namhyung.kim@lge.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1337161549-9870-3-git-send-email-namhyung.kim@lge.com [ committer note: renamed .need_mmap to .uses_mmap ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
#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;
|
|
bool uses_mmap;
|
|
};
|
|
|
|
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__has_task(struct perf_target *target)
|
|
{
|
|
return target->tid || target->pid || target->uid_str;
|
|
}
|
|
|
|
static inline bool perf_target__has_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__has_task(target) && !perf_target__has_cpu(target);
|
|
}
|
|
|
|
#endif /* _PERF_TARGET_H */
|