perf evsel: Record fd into perf_mmap

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Add a fd field into struct perf_mmap so that perf can track the mmap fd.

This feature will be used for toggling overwrite ring buffers.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1463762315-155689-3-git-send-email-wangnan0@huawei.com
Signed-off-by: He Kuang <hekuang@huawei.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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Wang Nan 2016-05-20 16:38:24 +00:00 • committed by Arnaldo Carvalho de Melo

parent b90dc17a5d

commit d4c6fb36ac

2 changed files with 7 additions and 0 deletions

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6

tools/perf/util/evlist.c

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1

tools/perf/util/evlist.h

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