kernel-ark/tools/perf/util/pstack.h
Namhyung Kim c8539e3fc6 perf tools: Introduce pstack_peek()
The pstack_peek() is to get the topmost entry without removing it.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1429838133-14001-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-05-05 18:13:22 -03:00

16 lines
455 B
C

#ifndef _PERF_PSTACK_
#define _PERF_PSTACK_
#include <stdbool.h>
struct pstack;
struct pstack *pstack__new(unsigned short max_nr_entries);
void pstack__delete(struct pstack *pstack);
bool pstack__empty(const struct pstack *pstack);
void pstack__remove(struct pstack *pstack, void *key);
void pstack__push(struct pstack *pstack, void *key);
void *pstack__pop(struct pstack *pstack);
void *pstack__peek(struct pstack *pstack);
#endif /* _PERF_PSTACK_ */