perf tools: Add hpp_list into struct hists object

Adding hpp_list into struct hists object.

Initializing struct hists_evsel hists object to carry global
perf_hpp_list list.
Signed-off-by: NJiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1453109064-1026-25-git-send-email-jolsa@kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/hist.c

@@ -1578,7 +1578,7 @@ int perf_hist_config(const char *var, const char *value)
 	return 0;
 }
 
-int __hists__init(struct hists *hists)
+int __hists__init(struct hists *hists, struct perf_hpp_list *hpp_list)
 {
 	memset(hists, 0, sizeof(*hists));
 	hists->entries_in_array[0] = hists->entries_in_array[1] = RB_ROOT;
@@ -1587,6 +1587,7 @@ int __hists__init(struct hists *hists)
 	hists->entries = RB_ROOT;
 	pthread_mutex_init(&hists->lock, NULL);
 	hists->socket_filter = -1;
+	hists->hpp_list = hpp_list;
 	return 0;
 }
 
@@ -1623,7 +1624,7 @@ static int hists_evsel__init(struct perf_evsel *evsel)
 {
 	struct hists *hists = evsel__hists(evsel);
 
-	__hists__init(hists);
+	__hists__init(hists, &perf_hpp_list);
 	return 0;
 }
 

tools/perf/util/hist.h

@@ -75,6 +75,7 @@ struct hists {
 	u64			event_stream;
 	u16			col_len[HISTC_NR_COLS];
 	int			socket_filter;
+	struct perf_hpp_list	*hpp_list;
 };
 
 struct hist_entry_iter;
@@ -186,7 +187,7 @@ static inline struct hists *evsel__hists(struct perf_evsel *evsel)
 }
 
 int hists__init(void);
-int __hists__init(struct hists *hists);
+int __hists__init(struct hists *hists, struct perf_hpp_list *hpp_list);
 
 struct rb_root *hists__get_rotate_entries_in(struct hists *hists);
 bool hists__collapse_insert_entry(struct hists *hists __maybe_unused,