diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2019-09-03 10:39:52 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-09-25 09:51:48 -0300 |
| commit | 515dbe48f6202147fb7c88aac48c43f49db1c793 (patch) | |
| tree | a969b05759a298444d639bff15c3d98e4808b728 /tools/perf/lib | |
| parent | 70c20369ee95ef8b6887944194cfb74a5a8d1fe3 (diff) | |
libperf: Add perf_evlist__first()/last() functions
Add perf_evlist__first()/last() functions to libperf, as internal
functions and rename perf's origins to evlist__first/last.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lore.kernel.org/lkml/20190913132355.21634-29-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/lib')
| -rw-r--r-- | tools/perf/lib/include/internal/evlist.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/lib/include/internal/evlist.h b/tools/perf/lib/include/internal/evlist.h index c5a06890fd6a..16ae6d6cfb39 100644 --- a/tools/perf/lib/include/internal/evlist.h +++ b/tools/perf/lib/include/internal/evlist.h @@ -4,6 +4,7 @@ #include <linux/list.h> #include <api/fd/array.h> +#include <internal/evsel.h> #define PERF_EVLIST__HLIST_BITS 8 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS) @@ -55,4 +56,14 @@ struct perf_evlist { #define perf_evlist__for_each_entry_reverse(evlist, evsel) \ __perf_evlist__for_each_entry_reverse(&(evlist)->entries, evsel) +static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist) +{ + return list_entry(evlist->entries.next, struct perf_evsel, node); +} + +static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist) +{ + return list_entry(evlist->entries.prev, struct perf_evsel, node); +} + #endif /* __LIBPERF_INTERNAL_EVLIST_H */ |