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| author | David Carrillo-Cisneros <davidcc@google.com> | 2017-04-10 22:14:32 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-04-11 21:22:22 +0200 |
| commit | c9d1c93421e3b3c7051b193c9cf648a3bc55cb3e (patch) | |
| tree | 890e700a15dce27ff54afe86a0e95145ea3714c6 /tools/perf/util/header.c | |
| parent | perf session: Don't rely on evlist in pipe mode (diff) | |
| download | linux-c9d1c93421e3b3c7051b193c9cf648a3bc55cb3e.tar.xz linux-c9d1c93421e3b3c7051b193c9cf648a3bc55cb3e.zip | |
perf tools: Do not print missing features in pipe-mode
Pipe-mode has no perf.data header, hence no upfront knowledge of presend
and missing features, hence, do not print missing features in pipe-mode.
Signed-off-by: David Carrillo-Cisneros <davidcc@google.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Que <sque@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170410201432.24807-8-davidcc@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/header.c')
| -rw-r--r-- | tools/perf/util/header.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index ef09f26e67da..2ccc7f06db79 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2270,6 +2270,9 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full) perf_header__process_sections(header, fd, &hd, perf_file_section__fprintf_info); + if (session->file->is_pipe) + return 0; + fprintf(fp, "# missing features: "); for_each_clear_bit(bit, header->adds_features, HEADER_LAST_FEATURE) { if (bit) |