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authorArnaldo Carvalho de Melo <acme@redhat.com>2012-05-12 20:40:52 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-05-12 20:40:52 +0400
commit7d5b12f5a01d338d23874c7c242a74813a8848b2 (patch)
tree4a92cb34943d75a8b6c7c8049c942ebff7245a9d /tools
parentc46219ac34f0f365bac700ca6a10ef979c643233 (diff)
downloadlinux-7d5b12f5a01d338d23874c7c242a74813a8848b2.tar.xz
perf annotate browser: Count the numbers of jump sources to a target
Instead of simply marking an offset as a jump target. So that we can implement a new feature: showing "jumpy" targets, I.e. addresses that lots of places jump to. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-vc7b0u5yxgrubig0q61ayhxf@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/ui/browsers/annotate.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 06367c1df720..446362677840 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -16,7 +16,7 @@ struct browser_disasm_line {
double percent;
u32 idx;
int idx_asm;
- bool jump_target;
+ int jump_sources;
};
struct annotate_browser {
@@ -98,7 +98,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
if (!ab->use_offset) {
printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr);
} else {
- if (bdl->jump_target) {
+ if (bdl->jump_sources) {
printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ",
ab->addr_width, addr);
} else {
@@ -707,7 +707,7 @@ static void annotate_browser__mark_jump_targets(struct annotate_browser *browser
continue;
bdlt = disasm_line__browser(dlt);
- bdlt->jump_target = true;
+ ++bdlt->jump_sources;
}
}