trace-cmd: make records refcounted

If a callback wants to hold on to a record,
it can then increase the refcount and keep
it. This is most likely to happen with the
upcoming python plugin.

Since the underlying data pages are already
refcounted, we can just add a refcount to
struct record (rather than having the error
checking with the 'locked' member).

Acked-by: Darren Hart <dvhltc@us.ibm.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/trace-plot-cpu.c b/trace-plot-cpu.c
index 50d720b..fdfbdf7 100644
--- a/trace-plot-cpu.c
+++ b/trace-plot-cpu.c
@@ -137,7 +137,7 @@ static int cpu_plot_display_last_event(struct graph_info *ginfo,
         record = tracecmd_peek_data(ginfo->handle, cpu);
         if (record)
                 offset = record->offset;
-        /* Don't need to free a peek */
+        free_record(record);
 
         tracecmd_set_cpu_to_timestamp(ginfo->handle, cpu, time);