2012-04-26 12:15:22 +07:00
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#ifndef _PERF_TARGET_H
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#define _PERF_TARGET_H
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#include <stdbool.h>
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#include <sys/types.h>
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struct perf_target {
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const char *pid;
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const char *tid;
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const char *cpu_list;
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const char *uid_str;
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uid_t uid;
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bool system_wide;
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};
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2012-05-07 12:09:00 +07:00
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enum perf_target_errno {
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PERF_ERRNO_TARGET__SUCCESS = 0,
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/*
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* Choose an arbitrary negative big number not to clash with standard
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* errno since SUS requires the errno has distinct positive values.
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* See 'Issue 6' in the link below.
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*
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* http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
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*/
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__PERF_ERRNO_TARGET__START = -10000,
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/* for perf_target__validate() */
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PERF_ERRNO_TARGET__PID_OVERRIDE_CPU = __PERF_ERRNO_TARGET__START,
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PERF_ERRNO_TARGET__PID_OVERRIDE_UID,
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PERF_ERRNO_TARGET__UID_OVERRIDE_CPU,
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PERF_ERRNO_TARGET__PID_OVERRIDE_SYSTEM,
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PERF_ERRNO_TARGET__UID_OVERRIDE_SYSTEM,
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2012-05-07 12:09:01 +07:00
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/* for perf_target__parse_uid() */
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PERF_ERRNO_TARGET__INVALID_UID,
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PERF_ERRNO_TARGET__USER_NOT_FOUND,
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2012-05-07 12:09:00 +07:00
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__PERF_ERRNO_TARGET__END,
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};
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enum perf_target_errno perf_target__validate(struct perf_target *target);
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2012-05-07 12:09:01 +07:00
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enum perf_target_errno perf_target__parse_uid(struct perf_target *target);
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2012-04-26 12:15:22 +07:00
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2012-05-07 12:09:02 +07:00
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int perf_target__strerror(struct perf_target *target, int errnum, char *buf,
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size_t buflen);
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2012-05-16 16:45:47 +07:00
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static inline bool perf_target__has_task(struct perf_target *target)
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2012-05-07 12:09:03 +07:00
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{
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2012-05-16 16:45:47 +07:00
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return target->tid || target->pid || target->uid_str;
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2012-05-07 12:09:03 +07:00
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}
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2012-05-16 16:45:47 +07:00
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static inline bool perf_target__has_cpu(struct perf_target *target)
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2012-05-07 12:09:03 +07:00
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{
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2012-05-16 16:45:47 +07:00
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return target->system_wide || target->cpu_list;
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2012-05-07 12:09:03 +07:00
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}
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static inline bool perf_target__none(struct perf_target *target)
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{
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2012-05-16 16:45:47 +07:00
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return !perf_target__has_task(target) && !perf_target__has_cpu(target);
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2012-05-07 12:09:03 +07:00
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}
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2012-04-26 12:15:22 +07:00
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#endif /* _PERF_TARGET_H */
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