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| author | David Ahern <david.ahern@oracle.com> | 2015-04-09 16:15:46 -0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-04-10 10:13:58 -0300 |
| commit | 1060ab857f64f33a9445881fd31fa91470aeb622 (patch) | |
| tree | b92fb150dade3a0dcd8f13f309dc8a972ae985ca /tools/perf/util/header.c | |
| parent | d998b732599b304c3865e8e5c7ba6250faba6589 (diff) | |
| download | linux-1060ab857f64f33a9445881fd31fa91470aeb622.tar.gz linux-1060ab857f64f33a9445881fd31fa91470aeb622.tar.bz2 linux-1060ab857f64f33a9445881fd31fa91470aeb622.zip | |
perf tools: Fix cross-endian analysis
Trying to analyze a big endian data file on little endian system fails
with the error:
0xa9b40 [0x70]: failed to process type: 9
The problem is that header parsing is not done correctly because the
file attributes are not swapped. Make it so. With this patch able to
analyze a sparc64 data file on x86_64.
Signed-off-by: David Ahern <david.ahern@oracle.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1428610546-178789-1-git-send-email-david.ahern@oracle.com
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 | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index fff3b2a455ae..918fd8ae2d80 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2504,8 +2504,11 @@ int perf_session__read_header(struct perf_session *session) if (read_attr(fd, header, &f_attr) < 0) goto out_errno; - if (header->needs_swap) + if (header->needs_swap) { + f_attr.ids.size = bswap_64(f_attr.ids.size); + f_attr.ids.offset = bswap_64(f_attr.ids.offset); perf_event__attr_swap(&f_attr.attr); + } tmp = lseek(fd, 0, SEEK_CUR); evsel = perf_evsel__new(&f_attr.attr); |