@@ -108,6 +108,35 @@ int main(int argc, char **argv)
++i;
}
+ puts("\n\n");
+
+ /* Clear all filters. */
+ kshark_filter_clear(kshark_ctx, KS_HIDE_TASK_FILTER);
+ kshark_filter_clear(kshark_ctx, KS_SHOW_EVENT_FILTER);
+
+ /* Use the Advanced filter to do event content based filtering. */
+ struct event_filter *adv_filter = kshark_ctx->advanced_event_filter;
+ pevent_filter_add_filter_str(adv_filter,
+ "sched/sched_wakeup:target_cpu==1");
+
+ /* The Advanced filter requires reloading the data. */
+ for (i = 0; i < n_rows; ++i)
+ free(data[i]);
+
+ n_rows = kshark_load_data_entries(kshark_ctx, &data);
+
+ count = 0;
+ for (i = 0; i < n_rows; ++i) {
+ if (data[i]->visible & KS_EVENT_VIEW_FILTER_MASK) {
+ entry_str = kshark_dump_entry(data[i]);
+ puts(entry_str);
+ free(entry_str);
+
+ if(++count > 10)
+ break;
+ }
+ }
+
/* Free the memory. */
for (i = 0; i < n_rows; ++i)
free(data[i]);
The filtering example is extended and now demonstrates filtering based on the content of the event. Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com> --- kernel-shark-qt/examples/datafilter.c | 29 +++++++++++++++++++++++++++ 1 file changed, 29 insertions(+)