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>
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 06367c1..4463626 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -16,7 +16,7 @@
double percent;
u32 idx;
int idx_asm;
- bool jump_target;
+ int jump_sources;
};
struct annotate_browser {
@@ -98,7 +98,7 @@
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 @@
continue;
bdlt = disasm_line__browser(dlt);
- bdlt->jump_target = true;
+ ++bdlt->jump_sources;
}
}