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authorKan Liang <kan.liang@linux.intel.com>2018-03-06 10:36:07 -0500
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-03-08 10:05:53 -0300
commitb9bae2c841b73eac6bfed510bc24a3051754ff51 (patch)
tree8533c197b859d64024805e0f4f6b9c2e778c20db /tools/perf/arch
parent0019dc87b928380e2c85fcd8694e512079d7b580 (diff)
downloadlinux-b9bae2c841b73eac6bfed510bc24a3051754ff51.tar.bz2
perf mmap: Simplify perf_mmap__read_init()
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>
Diffstat (limited to 'tools/perf/arch')
-rw-r--r--tools/perf/arch/x86/tests/perf-time-to-tsc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/tools/perf/arch/x86/tests/perf-time-to-tsc.c b/tools/perf/arch/x86/tests/perf-time-to-tsc.c
index 17cf7fc3c7d5..7a7721604b86 100644
--- a/tools/perf/arch/x86/tests/perf-time-to-tsc.c
+++ b/tools/perf/arch/x86/tests/perf-time-to-tsc.c
@@ -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) {