trace-cmd: Fix cursor on page with timestamp value

If the timestamp of the current page matches the parameter,
we still need to check if the cached record exists and it too
matches the timestamp.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 10 insertions, 1 deletions

diff --git a/trace-input.c b/trace-input.c
index af15634..0c7f9ad 100644
--- a/trace-input.c
+++ b/trace-input.c
@@ -1053,8 +1053,17 @@ tracecmd_set_cpu_to_timestamp(struct tracecmd_input *handle, int cpu,
                     return -1;
         }
 
-        if (cpu_data->timestamp == ts)
+        if (cpu_data->timestamp == ts) {
+                /*
+                 * If a record is cached, then that record is most
+                 * likely the matching timestamp. Otherwise we need
+                 * to start from the beginning of the index;
+                 */
+                if (!cpu_data->next ||
+                    cpu_data->next->ts != ts)
+                        update_page_info(handle, cpu);
                 return 0;
+        }
 
         /* Set to the first record on current page */
         update_page_info(handle, cpu);