From d7f55c62e63461c4071afe8730851e406935d960 Mon Sep 17 00:00:00 2001 From: Kan Liang Date: Thu, 1 Mar 2018 18:08:59 -0500 Subject: [PATCH] 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 Tested-by: Arnaldo Carvalho de Melo Cc: Andi Kleen Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan 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 --- 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 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) { -- 2.30.2