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| author | Adrian Hunter <adrian.hunter@intel.com> | 2019-02-06 13:39:43 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-02-06 16:25:39 +0300 |
| commit | c3fcadf0bb765faf45d6d562246e1d08885466df (patch) | |
| tree | 4b5692a39429440c1f20c0dcb25785dbd2afaab8 /tools/perf/util/auxtrace.c | |
| parent | f08046cb3082b313e7b08dc35838cf8bd902c36b (diff) | |
| download | linux-c3fcadf0bb765faf45d6d562246e1d08885466df.tar.xz | |
perf auxtrace: Define auxtrace record alignment
Define auxtrace record alignment so that it can be referenced elsewhere.
Note this is preparation for patch "perf intel-pt: Fix overlap calculation
for padding"
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20190206103947.15750-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/auxtrace.c')
| -rw-r--r-- | tools/perf/util/auxtrace.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index 94a22cc8004c..ad186d3255d1 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -1279,9 +1279,9 @@ static int __auxtrace_mmap__read(struct perf_mmap *map, } /* padding must be written by fn() e.g. record__process_auxtrace() */ - padding = size & 7; + padding = size & (PERF_AUXTRACE_RECORD_ALIGNMENT - 1); if (padding) - padding = 8 - padding; + padding = PERF_AUXTRACE_RECORD_ALIGNMENT - padding; memset(&ev, 0, sizeof(ev)); ev.auxtrace.header.type = PERF_RECORD_AUXTRACE; |