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
