191 	struct tstamp_data *pelem;  in off_cpu_stat()  local
201 	pelem = bpf_task_storage_get(&tstamp, prev, NULL,  in off_cpu_stat()
203 	if (!pelem)  in off_cpu_stat()
206 	pelem->timestamp = ts;  in off_cpu_stat()
207 	pelem->state = state;  in off_cpu_stat()
208 	pelem->stack_id = stack_id;  in off_cpu_stat()
211 	pelem = bpf_task_storage_get(&tstamp, next, NULL, 0);  in off_cpu_stat()
213 	if (pelem && pelem->timestamp) {  in off_cpu_stat()
217 			.stack_id = pelem->stack_id,  in off_cpu_stat()
218 			.state = pelem->state,  in off_cpu_stat()
221 		__u64 delta = ts - pelem->timestamp;  in off_cpu_stat()
231 		pelem->timestamp = 0;  in off_cpu_stat()