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authorAdrian Hunter <adrian.hunter@intel.com>2019-02-06 13:39:43 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-03-23 22:11:37 +0300
commit2354deae355bd77162676e9e7a23c3c0e9720b4c (patch)
tree99eca8fda2ec7a50ddfb3e5696e45ea1a2a62df2 /tools/perf/util/auxtrace.c
parent0f43fd4bdb74714f0ad8b0ee5bd26603b0390adb (diff)
downloadlinux-2354deae355bd77162676e9e7a23c3c0e9720b4c.tar.xz
perf auxtrace: Define auxtrace record alignment
commit c3fcadf0bb765faf45d6d562246e1d08885466df upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/util/auxtrace.c')
-rw-r--r--tools/perf/util/auxtrace.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index f69961c4a4f3..2921ce08b198 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -1278,9 +1278,9 @@ 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;