Commit 1060ab85 authored by David Ahern's avatar David Ahern Committed by Arnaldo Carvalho de Melo

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: default avatarDavid Ahern <david.ahern@oracle.com>
Acked-by: default avatarJiri 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.comSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent d998b732
...@@ -2504,8 +2504,11 @@ int perf_session__read_header(struct perf_session *session) ...@@ -2504,8 +2504,11 @@ int perf_session__read_header(struct perf_session *session)
if (read_attr(fd, header, &f_attr) < 0) if (read_attr(fd, header, &f_attr) < 0)
goto out_errno; 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); perf_event__attr_swap(&f_attr.attr);
}
tmp = lseek(fd, 0, SEEK_CUR); tmp = lseek(fd, 0, SEEK_CUR);
evsel = perf_evsel__new(&f_attr.attr); evsel = perf_evsel__new(&f_attr.attr);
......
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