diff options
| author | Andi Kleen <ak@linux.intel.com> | 2019-11-20 16:15:16 -0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-11-29 12:20:45 -0300 |
| commit | 99d6141d677a8cd0b35390a29527c8def42538b1 (patch) | |
| tree | f395eb44f8cfe153b4129edab2dd78a3a1c7dbe5 /tools/perf/lib/evsel.c | |
| parent | a8cbe40fe9f4ba499cc60b8b6a6851c2c1963797 (diff) | |
| download | linux-99d6141d677a8cd0b35390a29527c8def42538b1.tar.bz2 | |
perf evsel: Add functions to close evsel on a CPU
Refactor the existing all CPU function to use the per CPU close
internally.
Export APIs to close per CPU.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lore.kernel.org/lkml/20191121001522.180827-7-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/lib/evsel.c')
| -rw-r--r-- | tools/perf/lib/evsel.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/tools/perf/lib/evsel.c b/tools/perf/lib/evsel.c index 5a89857b0381..ea775dacbd2d 100644 --- a/tools/perf/lib/evsel.c +++ b/tools/perf/lib/evsel.c @@ -114,16 +114,23 @@ int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus, return err; } +static void perf_evsel__close_fd_cpu(struct perf_evsel *evsel, int cpu) +{ + int thread; + + for (thread = 0; thread < xyarray__max_y(evsel->fd); ++thread) { + if (FD(evsel, cpu, thread) >= 0) + close(FD(evsel, cpu, thread)); + FD(evsel, cpu, thread) = -1; + } +} + void perf_evsel__close_fd(struct perf_evsel *evsel) { - int cpu, thread; + int cpu; for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++) - for (thread = 0; thread < xyarray__max_y(evsel->fd); ++thread) { - if (FD(evsel, cpu, thread) >= 0) - close(FD(evsel, cpu, thread)); - FD(evsel, cpu, thread) = -1; - } + perf_evsel__close_fd_cpu(evsel, cpu); } void perf_evsel__free_fd(struct perf_evsel *evsel) @@ -141,6 +148,14 @@ void perf_evsel__close(struct perf_evsel *evsel) perf_evsel__free_fd(evsel); } +void perf_evsel__close_cpu(struct perf_evsel *evsel, int cpu) +{ + if (evsel->fd == NULL) + return; + + perf_evsel__close_fd_cpu(evsel, cpu); +} + int perf_evsel__read_size(struct perf_evsel *evsel) { u64 read_format = evsel->attr.read_format; |