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authorJiri Olsa <jolsa@redhat.com>2012-01-27 15:34:23 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-02-13 23:28:10 -0200
commit850f8127fa3666737881aecb3b16e8ede85e58f4 (patch)
tree387aa036ac483a3b33e86d3a6388eaf6c3373c9b /tools/perf/util/bitmap.c
parente90fda0635401225ca7c2343bea2f6d279347d10 (diff)
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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 'tools/perf/util/bitmap.c')
-rw-r--r--tools/perf/util/bitmap.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/bitmap.c b/tools/perf/util/bitmap.c
index 5e230ac..0a1adc1 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];
+}
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