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Reusing the thread_map__new_by_uid() proc scanning already in place to return a map with all threads in the system. Based-on-a-patch-by: Jin Yao <yao.jin@linux.intel.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Kan Liang <kan.liang@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lkml.kernel.org/n/tip-khh28q0wwqbqtrk32bfe07hd@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PERF_THREAD_MAP_H
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#define __PERF_THREAD_MAP_H
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#include <sys/types.h>
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#include <stdio.h>
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#include <linux/refcount.h>
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struct thread_map_data {
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pid_t pid;
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char *comm;
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};
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struct thread_map {
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refcount_t refcnt;
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int nr;
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struct thread_map_data map[];
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};
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struct thread_map_event;
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struct thread_map *thread_map__new_dummy(void);
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struct thread_map *thread_map__new_by_pid(pid_t pid);
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struct thread_map *thread_map__new_by_tid(pid_t tid);
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struct thread_map *thread_map__new_by_uid(uid_t uid);
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struct thread_map *thread_map__new_all_cpus(void);
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struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid);
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struct thread_map *thread_map__new_event(struct thread_map_event *event);
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struct thread_map *thread_map__get(struct thread_map *map);
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void thread_map__put(struct thread_map *map);
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struct thread_map *thread_map__new_str(const char *pid,
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const char *tid, uid_t uid);
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struct thread_map *thread_map__new_by_tid_str(const char *tid_str);
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size_t thread_map__fprintf(struct thread_map *threads, FILE *fp);
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static inline int thread_map__nr(struct thread_map *threads)
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{
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return threads ? threads->nr : 1;
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}
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static inline pid_t thread_map__pid(struct thread_map *map, int thread)
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{
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return map->map[thread].pid;
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}
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static inline void
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thread_map__set_pid(struct thread_map *map, int thread, pid_t pid)
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{
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map->map[thread].pid = pid;
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}
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static inline char *thread_map__comm(struct thread_map *map, int thread)
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{
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return map->map[thread].comm;
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}
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void thread_map__read_comms(struct thread_map *threads);
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bool thread_map__has(struct thread_map *threads, pid_t pid);
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int thread_map__remove(struct thread_map *threads, int idx);
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#endif /* __PERF_THREAD_MAP_H */
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