97 static struct foo_timer_data *foo_timer_data;  variable
101 	struct foo_timer_data *data = container_of(t, struct foo_timer_data, timer);  in sample_timer_cb()
149 	foo_timer_data = kzalloc_obj(*foo_timer_data, GFP_KERNEL);  in trace_event_init()
150 	if (!foo_timer_data)  in trace_event_init()
153 	foo_timer_data->name = "sample_timer_counter";  in trace_event_init()
154 	foo_timer_data->counter = alloc_percpu(int);  in trace_event_init()
155 	if (!foo_timer_data->counter) {  in trace_event_init()
156 		kfree(foo_timer_data);  in trace_event_init()
160 	timer_setup(&foo_timer_data->timer, sample_timer_cb, 0);  in trace_event_init()
161 	mod_timer(&foo_timer_data->timer, jiffies + HZ);  in trace_event_init()
165 		timer_shutdown_sync(&foo_timer_data->timer);  in trace_event_init()
166 		free_percpu(foo_timer_data->counter);  in trace_event_init()
167 		kfree(foo_timer_data);  in trace_event_init()
183 	timer_shutdown_sync(&foo_timer_data->timer);  in trace_event_exit()
184 	free_percpu(foo_timer_data->counter);  in trace_event_exit()
185 	kfree(foo_timer_data);  in trace_event_exit()