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perf header: Set header version correctly
When check_magic_endian() is called, it checks the magic number in the perf data file to determine version and endianness. But if it uses a same endian the verison number wasn't updated and makes confusion. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1422518843-25818-5-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -2237,6 +2237,7 @@ static int check_magic_endian(u64 magic, uint64_t hdr_sz,
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* - unique number to identify actual perf.data files
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* - unique number to identify actual perf.data files
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* - encode endianness of file
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* - encode endianness of file
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*/
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*/
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ph->version = PERF_HEADER_VERSION_2;
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/* check magic number with one endianness */
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/* check magic number with one endianness */
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if (magic == __perf_magic2)
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if (magic == __perf_magic2)
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@ -2247,7 +2248,6 @@ static int check_magic_endian(u64 magic, uint64_t hdr_sz,
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return -1;
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return -1;
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ph->needs_swap = true;
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ph->needs_swap = true;
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ph->version = PERF_HEADER_VERSION_2;
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return 0;
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return 0;
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}
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}
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