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authorWang Nan <wangnan0@huawei.com>2017-12-03 02:00:40 +0000
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-12-05 15:43:54 -0300
commitca6a9a05391960be5e8161a59a9854b32325d901 (patch)
tree09ee62d65d19304ce5885849fed4add184bbb1ed
parent144b9a4fc53039c09007b71a06640560a6e62140 (diff)
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perf mmap: Remove overwrite from arguments list of perf_mmap__push
'overwrite' argument is always 'false'. Remove it from arguments list of perf_mmap__push(). Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Kan Liang <kan.liang@intel.com> Link: http://lkml.kernel.org/r/20171203020044.81680-5-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/builtin-record.c2
-rw-r--r--tools/perf/util/mmap.c6
-rw-r--r--tools/perf/util/mmap.h2
3 files changed, 5 insertions, 5 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 3bc6ceeae1f9..26b8571d0fdb 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -500,7 +500,7 @@ static int record__mmap_read_evlist(struct record *rec, struct perf_evlist *evli
struct auxtrace_mmap *mm = &maps[i].auxtrace_mmap;
if (maps[i].base) {
- if (perf_mmap__push(&maps[i], false, backward, rec, record__pushfn) != 0) {
+ if (perf_mmap__push(&maps[i], backward, rec, record__pushfn) != 0) {
rc = -1;
goto out;
}
diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c
index 9fe5f9c7d577..703ed41a9269 100644
--- a/tools/perf/util/mmap.c
+++ b/tools/perf/util/mmap.c
@@ -299,7 +299,7 @@ static int rb_find_range(void *data, int mask, u64 head, u64 old,
return backward_rb_find_range(data, mask, head, start, end);
}
-int perf_mmap__push(struct perf_mmap *md, bool overwrite, bool backward,
+int perf_mmap__push(struct perf_mmap *md, bool backward,
void *to, int push(void *to, void *buf, size_t size))
{
u64 head = perf_mmap__read_head(md);
@@ -321,7 +321,7 @@ int perf_mmap__push(struct perf_mmap *md, bool overwrite, bool backward,
WARN_ONCE(1, "failed to keep up with mmap data. (warn only once)\n");
md->prev = head;
- perf_mmap__consume(md, overwrite || backward);
+ perf_mmap__consume(md, backward);
return 0;
}
@@ -346,7 +346,7 @@ int perf_mmap__push(struct perf_mmap *md, bool overwrite, bool backward,
}
md->prev = head;
- perf_mmap__consume(md, overwrite || backward);
+ perf_mmap__consume(md, backward);
out:
return rc;
}
diff --git a/tools/perf/util/mmap.h b/tools/perf/util/mmap.h
index efd78b827b05..2c3d291785de 100644
--- a/tools/perf/util/mmap.h
+++ b/tools/perf/util/mmap.h
@@ -89,7 +89,7 @@ static inline void perf_mmap__write_tail(struct perf_mmap *md, u64 tail)
union perf_event *perf_mmap__read_forward(struct perf_mmap *map, bool check_messup);
union perf_event *perf_mmap__read_backward(struct perf_mmap *map);
-int perf_mmap__push(struct perf_mmap *md, bool overwrite, bool backward,
+int perf_mmap__push(struct perf_mmap *md, bool backward,
void *to, int push(void *to, void *buf, size_t size));
size_t perf_mmap__mmap_len(struct perf_mmap *map);