Messages in this thread Patch in this message | | | From | kan.liang@linux ... | Subject | [PATCH 02/14] perf trace: Apply new perf_mmap__read_event() interface | Date | Thu, 1 Mar 2018 18:08:59 -0500 |
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From: Kan Liang <kan.liang@linux.intel.com>
The perf trace still use the legacy interface.
Apply the new perf_mmap__read_event() interface for perf trace.
No functional change.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com> --- tools/perf/builtin-trace.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index e7f1b18..a46644f 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2472,8 +2472,14 @@ static int trace__run(struct trace *trace, int argc, const char **argv) 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, 0, &start, &end) < 0) + continue; + + while ((event = perf_mmap__read_event(md, 0, &start, end)) != NULL) { struct perf_sample sample; ++trace->nr_events; @@ -2486,7 +2492,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv) trace__handle_event(trace, event, &sample); next_event: - perf_evlist__mmap_consume(evlist, i); + perf_mmap__consume(md, 0); if (interrupted) goto out_disable; @@ -2496,6 +2502,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv) draining = true; } } + perf_mmap__read_done(md); } if (trace->nr_events == before) { -- 2.4.11
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