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| author |   Jiri Olsa <jolsa@redhat.com> | 2012-05-16 08:59:04 +0200 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-05-22 12:50:25 -0300 |
| commit | 6a11f92ef449bfb87f93e7cc14cb2a717afc7aa3 (patch) | |
| tree | 1be870956fc0f32e4eb45ded9667cf565fc9e695 /tools/perf/util/types.h | |
| parent | perf tools: Carry perf_event_attr bitfield throught different endians (diff) | |
| download | linux-dev-6a11f92ef449bfb87f93e7cc14cb2a717afc7aa3.tar.xz linux-dev-6a11f92ef449bfb87f93e7cc14cb2a717afc7aa3.zip | |
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>
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/types.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/types.h b/tools/perf/util/types.h index 5f3689a3d085..c51fa6b70a28 100644 --- a/tools/perf/util/types.h +++ b/tools/perf/util/types.h @@ -16,4 +16,9 @@ typedef signed short s16; typedef unsigned char u8; typedef signed char s8; +union u64_swap { + u64 val64; + u32 val32[2]; +}; + #endif /* __PERF_TYPES_H */ |