diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2009-11-19 01:20:52 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-19 10:28:12 +0300 |
| commit | f1617b40596cb341ee6602a9d969c5e4cebe9260 (patch) | |
| tree | 70a6a16d3fc07ed916c9679afec64d568a6fd71f /tools/perf/util/header.c | |
| parent | e30a3d12ddf04add3268bfceb0e57ffe47f254c6 (diff) | |
| download | linux-f1617b40596cb341ee6602a9d969c5e4cebe9260.tar.xz | |
perf symbols: Record the build_ids of kernel modules too
[root@doppio linux-2.6-tip]# perf record -a sleep 2s;perf
buildid-list|tail [ perf record: Woken up 1 times to write data
] [ perf record: Captured and wrote 0.162 MB perf.data (~7078
samples) ] 881588fa57b3c1696bc91e5e804a11304f093535 [cfg80211]
4d47ce1da9d16bad00c962c072451b7c681e82df [snd_page_alloc]
5146377e89a7caac617f9782f1a02e46263d3a31 [rfkill]
2153b937bff0d345fea83b63a2e1d3138569f83d [i915]
4e6fb1bb97362e3ee4d306988b9ad6912d5fb9ae [drm_kms_helper]
f56ef2bf853e3a798f0d8d51f797622e5dc4420e [drm]
b0d157a3b5c4e017329ffc07c64623cd6ad65e95 [i2c_algo_bit]
8125374b905ef9fa8b65d98e166b008ad952f198 [i2c_core]
fc875c6e5a90e7b915e9d445d0efc859e1b2678c [video]
4b43c5006589f977e9762fdfc7ac1a92b72fca52 [output]
[root@doppio linux-2.6-tip]#
elfutils libdwfl/linux-kernel-modules.c was used as reference,
as suggested by Roland McGrath.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1258582853-8579-3-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/header.c')
| -rw-r--r-- | tools/perf/util/header.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 31731f1606b2..d3d656f9a621 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -241,6 +241,11 @@ perf_header__adds_write(struct perf_header *self, int fd) buildid_sec = &feat_sec[idx++]; + /* + * Read the list of loaded modules with its build_ids + */ + dsos__load_modules(); + /* Write build-ids */ buildid_sec->offset = lseek(fd, 0, SEEK_CUR); if (dsos__write_buildid_table(fd) < 0) |