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perf mmap: Simplify perf_mmap__read_init()

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It isn't necessary to pass the 'start', 'end' and 'overwrite' arguments
to perf_mmap__read_init().  The data is stored in the struct perf_mmap.

Discard the parameters.

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1520350567-80082-8-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Kan Liang
2018-03-06 10:36:07 -05:00
committed by Arnaldo Carvalho de Melo
parent 0019dc87b9
commit b9bae2c841
17 changed files with 18 additions and 40 deletions
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3
tools/perf/arch/x86/tests/perf-time-to-tsc.c
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@@ -61,7 +61,6 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe
u64 test_tsc, comm1_tsc, comm2_tsc;
u64 test_time, comm1_time = 0, comm2_time = 0;
struct perf_mmap *md;
u64 end, start;
threads = thread_map__new(-1, getpid(), UINT_MAX);
CHECK_NOT_NULL__(threads);
@@ -112,7 +111,7 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe
for (i = 0; i < evlist->nr_mmaps; i++) {
md = &evlist->mmap[i];
if (perf_mmap__read_init(md, false, &start, &end) < 0)
if (perf_mmap__read_init(md) < 0)
continue;
while ((event = perf_mmap__read_event(md)) != NULL) {