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author | Ingo Molnar <mingo@elte.hu> | 2010-03-04 11:47:50 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-03-04 11:47:52 +0100 |
commit | 4f16d4e0c9a4b20d9f0db365587b96d6001efd7d (patch) | |
tree | fa25dcf285b26f1fac2bf267d0d1cd2c4eba90b8 /tools/perf/util/build-id.c | |
parent | 1e259e0a9982078896f3404240096cbea01daca4 (diff) | |
parent | 6630125419ef37ff8781713c5e9d416f2a4ba357 (diff) |
Merge branch 'perf/core' into perf/urgent
Merge reason: Switch from pre-merge topical split to the post-merge urgent track
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/build-id.c')
-rw-r--r-- | tools/perf/util/build-id.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c new file mode 100644 index 00000000000..04904b35ba8 --- /dev/null +++ b/tools/perf/util/build-id.c @@ -0,0 +1,39 @@ +/* + * build-id.c + * + * build-id support + * + * Copyright (C) 2009, 2010 Red Hat Inc. + * Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <acme@redhat.com> + */ +#include "build-id.h" +#include "event.h" +#include "symbol.h" +#include <linux/kernel.h> + +static int build_id__mark_dso_hit(event_t *event, struct perf_session *session) +{ + struct addr_location al; + u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; + struct thread *thread = perf_session__findnew(session, event->ip.pid); + + if (thread == NULL) { + pr_err("problem processing %d event, skipping it.\n", + event->header.type); + return -1; + } + + thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION, + event->ip.ip, &al); + + if (al.map != NULL) + al.map->dso->hit = 1; + + return 0; +} + +struct perf_event_ops build_id__mark_dso_hit_ops = { + .sample = build_id__mark_dso_hit, + .mmap = event__process_mmap, + .fork = event__process_task, +}; |