perf tools: Add union u64_swap type for swapping u64 data
The following union:
union {
u64 val64;
u32 val32[2];
} u;
is used on more than one place in perf code and will be used more in
upcomming patches.
Adding union u64_swap to have it defined globaly so we dont need to
redefine it all the time.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Tested-by: David Ahern <dsahern@gmail.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1337151548-2396-4-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 9abd8ac..57e4ce5 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -462,10 +462,7 @@
* used for cross-endian analysis. See git commit 65014ab3
* for why this goofiness is needed.
*/
- union {
- u64 val64;
- u32 val32[2];
- } u;
+ union u64_swap u;
memset(data, 0, sizeof(*data));
data->cpu = data->pid = data->tid = -1;
@@ -608,10 +605,7 @@
* used for cross-endian analysis. See git commit 65014ab3
* for why this goofiness is needed.
*/
- union {
- u64 val64;
- u32 val32[2];
- } u;
+ union u64_swap u;
array = event->sample.array;