diff options
| author |   Jiri Olsa <jolsa@redhat.com> | 2012-01-27 15:34:23 +0100 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-02-13 23:28:10 -0200 |
| commit | 850f8127fa3666737881aecb3b16e8ede85e58f4 (patch) | |
| tree | 387aa036ac483a3b33e86d3a6388eaf6c3373c9b /tools/perf/util/bitmap.c | |
| parent | perf tools: Add sysfs mountpoint interface (diff) | |
| download | linux-dev-850f8127fa3666737881aecb3b16e8ede85e58f4.tar.xz linux-dev-850f8127fa3666737881aecb3b16e8ede85e58f4.zip | |
perf tools: Add bitmap_or function into bitmap object
Adding implementation os bitmap_or function to the bitmap object. It is
stolen from the kernel lib/bitmap.o object.
It is used in upcomming patches.
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.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/1327674868-10486-5-git-send-email-jolsa@redhat.com
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/bitmap.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/bitmap.c b/tools/perf/util/bitmap.c index 5e230acae1e9..0a1adc1111fd 100644 --- a/tools/perf/util/bitmap.c +++ b/tools/perf/util/bitmap.c @@ -19,3 +19,13 @@ int __bitmap_weight(const unsigned long *bitmap, int bits) return w; } + +void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1, + const unsigned long *bitmap2, int bits) +{ + int k; + int nr = BITS_TO_LONGS(bits); + + for (k = 0; k < nr; k++) + dst[k] = bitmap1[k] | bitmap2[k]; +} |