diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-09-26 19:48:18 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-09-26 19:48:18 +0400 |
| commit | 0807d2d8a381f4fc600ad481c3e77e5cdb624eed (patch) | |
| tree | 3cd46552cea3e1a9c7c872250f790cb180f6cccf /tools/perf/util/header.c | |
| parent | a14bb7a6fd4a3d563ca971daf462ba4dc294a7a6 (diff) | |
| download | linux-0807d2d8a381f4fc600ad481c3e77e5cdb624eed.tar.xz | |
perf evsel: Know if byte swap is needed
Instead of passing it around for parsing as an explicit parameter, will
help with reading tracepoint fields when not using a perf session or
pevent structure, i.e. for non perf.data centered workflows.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-qa67ikv2sm49cwa7dyjhhp6g@git.kernel.org
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 | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 6aae3290358e..7daad237dea5 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -1256,8 +1256,10 @@ read_event_desc(struct perf_header *ph, int fd) if (ret != (ssize_t)sizeof(nr)) goto error; - if (ph->needs_swap) + if (ph->needs_swap) { nr = bswap_32(nr); + evsel->needs_swap = true; + } evsel->name = do_read_string(fd, ph); @@ -2626,6 +2628,8 @@ int perf_session__read_header(struct perf_session *session, int fd) if (evsel == NULL) goto out_delete_evlist; + + evsel->needs_swap = header->needs_swap; /* * Do it before so that if perf_evsel__alloc_id fails, this * entry gets purged too at perf_evlist__delete(). |