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| author | Jiri Olsa <jolsa@kernel.org> | 2016-10-10 09:35:50 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-10-24 11:07:34 -0300 |
| commit | aabae165759994d1b9bca1fac7759f1d8bef5dad (patch) | |
| tree | cfbe69798f999efadd74af62af0a2fa4503b23a0 /tools | |
| parent | f45f56151ac64aef687546d99b33df294faaa19c (diff) | |
| download | op-kernel-dev-aabae165759994d1b9bca1fac7759f1d8bef5dad.zip op-kernel-dev-aabae165759994d1b9bca1fac7759f1d8bef5dad.tar.gz | |
perf header: Display missing features
Display missing features in header info, like:
$ perf report --header-only
# ========
# captured on: Mon Oct 10 09:39:47 2016
...
# missing features: HEADER_TRACING_DATA HEADER_CPU_TOPOLOGY ...
To help in diagnosing problems.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-bh5gp84gobdmyl345dcp64se@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/header.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 05f5627..d6310c6 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2251,7 +2251,7 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full) struct perf_header *header = &session->header; int fd = perf_data_file__fd(session->file); struct stat st; - int ret; + int ret, bit; hd.fp = fp; hd.full = full; @@ -2264,6 +2264,14 @@ 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); + + fprintf(fp, "# missing features: "); + for_each_clear_bit(bit, header->adds_features, HEADER_LAST_FEATURE) { + if (bit) + fprintf(fp, "%s ", feat_ops[bit].name); + } + + fprintf(fp, "\n"); return 0; } |
