perf/probes: Exit searching after finding target function

Exit searching after finding real (not-inlined) function,
because there should be no same symbol in that CU.

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Frank Ch. Eigler <fche@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
LKML-Reference: <20091027204252.30545.19251.stgit@harusame>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 54e7071..b98d35e 100644 (file)
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -585,14 +585,14 @@ static int probefunc_callback(struct die_link *dlink, void *data)
                                DIE_IF(ret != DW_DLV_OK);
                                pr_debug("inline definition offset %lld\n",
                                         pf->inl_offs);
-                               return 0;
+                               return 0;       /* Continue to search */
                        }
                        /* Get probe address */
                        pf->addr = die_get_entrypc(dlink->die);
                        pf->addr += pp->offset;
                        /* TODO: Check the address in this function */
                        show_probepoint(dlink->die, pp->offset, pf);
-                       /* Continue to search */
+                       return 1; /* Exit; no same symbol in this CU. */
                }
        } else if (tag == DW_TAG_inlined_subroutine && pf->inl_offs) {
                if (die_get_abstract_origin(dlink->die) == pf->inl_offs) {