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| author | Wang Nan <wangnan0@huawei.com> | 2016-07-14 08:34:43 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-15 17:27:50 -0300 |
| commit | 057374645bd42e8bcf22aa4529f99cf7c920a1c6 (patch) | |
| tree | 5fd80fb8cbfe69ec76253a956cf0d3391fff76bb /usr | |
| parent | 54cc54decd79b2c92f4db06001b4b245f38181b7 (diff) | |
| download | linux-057374645bd42e8bcf22aa4529f99cf7c920a1c6.tar.gz linux-057374645bd42e8bcf22aa4529f99cf7c920a1c6.tar.xz | |
perf record: Read from overwritable ring buffer
Drive the evlist->bkw_mmap_state state machine during draining and when
SIGUSR2 is received. Read the backward ring buffer in record__mmap_read_all.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
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/1468485287-33422-12-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 'usr')
0 files changed, 0 insertions, 0 deletions