perf tools: Factor out sample__resolve_callchain()

The report__resolve_callchain() can be shared with perf top code as it
doesn't really depend on the perf report code.  Factor it out as
sample__resolve_callchain().  The same goes to the hist_entry__append_
callchain() too.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Arun Sharma <asharma@fb.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Rodrigo Campos <rodrigo@sdfg.com.ar>
Link: http://lkml.kernel.org/r/1389677157-30513-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 3 insertions, 21 deletions

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 46864dd..3c53ec2 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -75,24 +75,6 @@ static int report__config(const char *var, const char *value, void *cb)
 	return perf_default_config(var, value, cb);
 }
 
-static int report__resolve_callchain(struct report *rep, struct symbol **parent,
-				     struct perf_evsel *evsel, struct addr_location *al,
-				     struct perf_sample *sample)
-{
-	if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
-		return machine__resolve_callchain(al->machine, evsel, al->thread, sample,
-						  parent, al, rep->max_stack);
-	}
-	return 0;
-}
-
-static int hist_entry__append_callchain(struct hist_entry *he, struct perf_sample *sample)
-{
-	if (!symbol_conf.use_callchain)
-		return 0;
-	return callchain_append(he->callchain, &callchain_cursor, sample->period);
-}
-
 static int report__add_mem_hist_entry(struct perf_tool *tool, struct addr_location *al,
 				      struct perf_sample *sample, struct perf_evsel *evsel,
 				      union perf_event *event)
@@ -103,7 +85,7 @@ static int report__add_mem_hist_entry(struct perf_tool *tool, struct addr_locati
 	struct hist_entry *he;
 	struct mem_info *mi, *mx;
 	uint64_t cost;
-	int err = report__resolve_callchain(rep, &parent, evsel, al, sample);
+	int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);
 
 	if (err)
 		return err;
@@ -155,7 +137,7 @@ static int report__add_branch_hist_entry(struct perf_tool *tool, struct addr_loc
 	unsigned i;
 	struct hist_entry *he;
 	struct branch_info *bi, *bx;
-	int err = report__resolve_callchain(rep, &parent, evsel, al, sample);
+	int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);
 
 	if (err)
 		return err;
@@ -208,7 +190,7 @@ static int report__add_hist_entry(struct perf_tool *tool, struct perf_evsel *evs
 	struct report *rep = container_of(tool, struct report, tool);
 	struct symbol *parent = NULL;
 	struct hist_entry *he;
-	int err = report__resolve_callchain(rep, &parent, evsel, al, sample);
+	int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);
 
 	if (err)
 		return err;