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authorWang Nan <wangnan0@huawei.com>2016-07-14 08:34:41 +0000
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-07-15 17:27:49 -0300
commita0c6f451f90204847ce5f91c3268d83a76bde1b6 (patch)
treee7f2671739914f5b4870c641c6ebe701c430f604 /tools/perf
parent078c33862e042b3778dce3bcc8eaef84ab40715c (diff)
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perf evlist: Drop evlist->backward
Now there's no real user of evlist->backward. Drop it. We are going to use evlist->backward_mmap as a container for backward ring buffer. Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: He Kuang <hekuang@huawei.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Nilay Vaish <nilayvaish@gmail.com> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1468485287-33422-10-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/tests/backward-ring-buffer.c1
-rw-r--r--tools/perf/util/evlist.c5
-rw-r--r--tools/perf/util/evlist.h1
3 files changed, 1 insertions, 6 deletions
diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c
index b2c634815f6b..db9cd3048655 100644
--- a/tools/perf/tests/backward-ring-buffer.c
+++ b/tools/perf/tests/backward-ring-buffer.c
@@ -101,7 +101,6 @@ int test__backward_ring_buffer(int subtest __maybe_unused)
return TEST_FAIL;
}
- evlist->backward = true;
err = perf_evlist__create_maps(evlist, &opts.target);
if (err < 0) {
pr_debug("Not enough memory to create thread/cpu maps\n");
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 7570f903200e..5beb44faa71d 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -44,7 +44,6 @@ void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
perf_evlist__set_maps(evlist, cpus, threads);
fdarray__init(&evlist->pollfd, 64);
evlist->workload.pid = -1;
- evlist->backward = false;
}
struct perf_evlist *perf_evlist__new(void)
@@ -867,9 +866,7 @@ union perf_event *perf_evlist__mmap_read_backward(struct perf_evlist *evlist, in
union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx)
{
- if (!evlist->backward)
- return perf_evlist__mmap_read_forward(evlist, idx);
- return perf_evlist__mmap_read_backward(evlist, idx);
+ return perf_evlist__mmap_read_forward(evlist, idx);
}
void perf_mmap__read_catchup(struct perf_mmap *md)
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 07a1ad040c92..6a3d9bdda4bb 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -50,7 +50,6 @@ struct perf_evlist {
bool overwrite;
bool enabled;
bool has_user_cpus;
- bool backward;
size_t mmap_len;
int id_pos;
int is_pos;