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| author |   Kan Liang <kan.liang@linux.intel.com> | 2018-03-06 10:36:07 -0500 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-03-08 10:05:53 -0300 |
| commit | b9bae2c841b73eac6bfed510bc24a3051754ff51 (patch) | |
| tree | 8533c197b859d64024805e0f4f6b9c2e778c20db /tools/perf/builtin-kvm.c | |
| parent | perf mmap: Simplify perf_mmap__read_event() (diff) | |
| download | linux-dev-b9bae2c841b73eac6bfed510bc24a3051754ff51.tar.xz linux-dev-b9bae2c841b73eac6bfed510bc24a3051754ff51.zip | |
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/builtin-kvm.c')
| -rw-r--r-- | tools/perf/builtin-kvm.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index e9f69b8f8e25..72e2ca096bf5 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -746,14 +746,13 @@ static s64 perf_kvm__mmap_read_idx(struct perf_kvm_stat *kvm, int idx, struct perf_evlist *evlist = kvm->evlist; union perf_event *event; struct perf_mmap *md; - u64 end, start; u64 timestamp; s64 n = 0; int err; *mmap_time = ULLONG_MAX; md = &evlist->mmap[idx]; - err = perf_mmap__read_init(md, false, &start, &end); + err = perf_mmap__read_init(md); if (err < 0) return (err == -EAGAIN) ? 0 : -1; |