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| author | Wang Nan <wangnan0@huawei.com> | 2016-05-23 10:13:41 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-05-24 00:22:48 +0300 |
| commit | 3a62a7b8200a177ad96161e4f2678514e6ee301e (patch) | |
| tree | b990cb212929775c1dc926ebc992dee6bbe7c03f /tools/perf/util/evlist.h | |
| parent | 09fa4f401296f555afb6f2f4282717644d94722e (diff) | |
| download | linux-3a62a7b8200a177ad96161e4f2678514e6ee301e.tar.xz | |
perf record: Read from backward ring buffer
Introduce rb_find_range() to find start and end position from a backward
ring buffer.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1463987628-163563-5-git-send-email-wangnan0@huawei.com
Signed-off-by: He Kuang <hekuang@huawei.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evlist.h')
| -rw-r--r-- | tools/perf/util/evlist.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 97090b70976d..d740fb877ab6 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -44,6 +44,7 @@ struct perf_evlist { bool overwrite; bool enabled; bool has_user_cpus; + bool backward; size_t mmap_len; int id_pos; int is_pos; |