perf record: Add --dry-run option to check cmdline options

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With '--dry-run', 'perf record' doesn't do reall recording. Combine with
llvm.dump-obj option, --dry-run can be used to help compile BPF objects
for embedded platform.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1466064161-48553-3-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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Wang Nan 2016-06-16 08:02:41 +00:00 • committed by Arnaldo Carvalho de Melo

parent f078464925

commit 0aab21363f

2 changed files with 14 additions and 0 deletions

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7

tools/perf/Documentation/perf-record.txt

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7

tools/perf/builtin-record.c

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