diff options
author | Ingo Molnar <mingo@kernel.org> | 2012-09-13 17:11:19 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2012-09-13 17:11:19 +0200 |
commit | be267be8b191d5fac9f65a29e047470f364315eb (patch) | |
tree | 80cdb3f7c1d53fc6209fac2d57ff9a4052e2750e /tools/perf/util/evsel.c | |
parent | d5cb2aef4fda355fbafe8db4f425b73ea94d2019 (diff) | |
parent | 9ec3f4e437ede2f3b5087d412abe16a0219b3b99 (diff) |
Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
* Remove die()/exit() calls from several tools.
* Add missing perf_regs.h file to MANIFEST
* Clean up and improve 'perf sched' performance by elliminating lots of
needless calls to libtraceevent.
* More patches to make perf build on Android, from Irina Tirdea
* Resolve vdso callchains, from Jiri Olsa
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/util/evsel.c')
-rw-r--r-- | tools/perf/util/evsel.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 06f76441547..1506ba0453f 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -10,6 +10,7 @@ #include <byteswap.h> #include <linux/bitops.h> #include "asm/bug.h" +#include "event-parse.h" #include "evsel.h" #include "evlist.h" #include "util.h" @@ -1000,3 +1001,37 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type, return 0; } + +char *perf_evsel__strval(struct perf_evsel *evsel, struct perf_sample *sample, + const char *name) +{ + struct format_field *field = pevent_find_field(evsel->tp_format, name); + int offset; + + if (!field) + return NULL; + + offset = field->offset; + + if (field->flags & FIELD_IS_DYNAMIC) { + offset = *(int *)(sample->raw_data + field->offset); + offset &= 0xffff; + } + + return sample->raw_data + offset; +} + +u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, + const char *name) +{ + struct format_field *field = pevent_find_field(evsel->tp_format, name); + u64 val; + + if (!field) + return 0; + + val = pevent_read_number(evsel->tp_format->pevent, + sample->raw_data + field->offset, field->size); + return val; + +} |