[PATCH v4 5/8] tracing: Move hist trigger key printing into a separate function

[Tom Zanussi]

From: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx>

Future patches will want to print a histogram key outside a histogram
- add and use hist_trigger_print_key() for that purpose.

Signed-off-by: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx>
---
 kernel/trace/trace_events_hist.c | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 3712200dc670..5ec462cb7672 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -4849,10 +4849,10 @@ static void hist_trigger_stacktrace_print(struct seq_file *m,
 	}
 }
 
-static void
-hist_trigger_entry_print(struct seq_file *m,
-			 struct hist_trigger_data *hist_data, void *key,
-			 struct tracing_map_elt *elt)
+static void hist_trigger_print_key(struct seq_file *m,
+				   struct hist_trigger_data *hist_data,
+				   void *key,
+				   struct tracing_map_elt *elt)
 {
 	struct hist_field *key_field;
 	char str[KSYM_SYMBOL_LEN];
@@ -4928,6 +4928,17 @@ hist_trigger_entry_print(struct seq_file *m,
 		seq_puts(m, " ");
 
 	seq_puts(m, "}");
+}
+
+static void hist_trigger_entry_print(struct seq_file *m,
+				     struct hist_trigger_data *hist_data,
+				     void *key,
+				     struct tracing_map_elt *elt)
+{
+	const char *field_name;
+	unsigned int i;
+
+	hist_trigger_print_key(m, hist_data, key, elt);
 
 	seq_printf(m, " hitcount: %10llu",
 		   tracing_map_read_sum(elt, HITCOUNT_IDX));
-- 
2.14.1