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| author |   Kan Liang <kan.liang@linux.intel.com> | 2018-03-01 18:08:59 -0500 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-03-05 10:41:59 -0300 |
| commit | d7f55c62e63461c4071afe8730851e406935d960 (patch) | |
| tree | 2dd1dc62c9643fab85b949ebebe9b7990c8364fa /tools/perf/builtin-trace.c | |
| parent | perf kvm: Switch to new perf_mmap__read_event() interface (diff) | |
| download | wireguard-linux-d7f55c62e63461c4071afe8730851e406935d960.tar.xz wireguard-linux-d7f55c62e63461c4071afe8730851e406935d960.zip | |
perf trace: Switch to new perf_mmap__read_event() interface
The 'perf trace' utility still use the legacy interface.
Switch to the new perf_mmap__read_event() interface.
No functional change.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1519945751-37786-2-git-send-email-kan.liang@linux.intel.com
[ Changed bool parameters from 0 to 'false', as per Jiri comment ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index e7f1b182fc15..1a93debc1e8d 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2472,8 +2472,14 @@ again: for (i = 0; i < evlist->nr_mmaps; i++) { union perf_event *event; + struct perf_mmap *md; + u64 end, start; - while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { + md = &evlist->mmap[i]; + if (perf_mmap__read_init(md, false, &start, &end) < 0) + continue; + + while ((event = perf_mmap__read_event(md, false, &start, end)) != NULL) { struct perf_sample sample; ++trace->nr_events; @@ -2486,7 +2492,7 @@ again: trace__handle_event(trace, event, &sample); next_event: - perf_evlist__mmap_consume(evlist, i); + perf_mmap__consume(md, false); if (interrupted) goto out_disable; @@ -2496,6 +2502,7 @@ next_event: draining = true; } } + perf_mmap__read_done(md); } if (trace->nr_events == before) { |