hwtracing/coresight/coresight-tmc-etr.c

1331 	struct etr_perf_buffer *etr_perf;
1337 		etr_perf = etm_perf_sink_config(handle);
1338 		if (WARN_ON(!etr_perf || !etr_perf->etr_buf))
1340 		return etr_perf->etr_buf;
1486 	struct etr_perf_buffer *etr_perf;
1490 	etr_perf = kzalloc_node(sizeof(*etr_perf), GFP_KERNEL, node);
1491 	if (!etr_perf)
1498 	kfree(etr_perf);
1506 	etr_perf->drvdata = drvdata;
1507 	etr_perf->etr_buf = etr_buf;
1509 	return etr_perf;
1517 	struct etr_perf_buffer *etr_perf;
1520 	etr_perf = tmc_etr_setup_perf_buf(drvdata, event,
1522 	if (IS_ERR(etr_perf)) {
1527 	etr_perf->pid = task_pid_nr(event->owner);
1528 	etr_perf->snapshot = snapshot;
1529 	etr_perf->nr_pages = nr_pages;
1530 	etr_perf->pages = pages;
1532 	return etr_perf;
1537 	struct etr_perf_buffer *etr_perf = config;
1538 	struct tmc_drvdata *drvdata = etr_perf->drvdata;
1539 	struct etr_buf *buf, *etr_buf = etr_perf->etr_buf;
1552 	buf = idr_remove(&drvdata->idr, etr_perf->pid);
1562 	tmc_free_etr_buf(etr_perf->etr_buf);
1565 	kfree(etr_perf);
1572 static void tmc_etr_sync_perf_buffer(struct etr_perf_buffer *etr_perf,
1580 	struct etr_buf *etr_buf = etr_perf->etr_buf;
1582 	head = PERF_IDX2OFF(head, etr_perf);
1585 	dst_pages = (char **)etr_perf->pages;
1612 			if (++pg_idx == etr_perf->nr_pages)
1635 	struct etr_perf_buffer *etr_perf = config;
1636 	struct etr_buf *etr_buf = etr_perf->etr_buf;
1672 	if (!etr_perf->snapshot && size > handle->size) {
1690 	tmc_etr_sync_perf_buffer(etr_perf, handle->head, offset, size);
1697 	if (etr_perf->snapshot)
1723 	if (!etr_perf->snapshot && lost)
1735 	struct etr_perf_buffer *etr_perf = etm_perf_sink_config(handle);
1744 	if (WARN_ON(!etr_perf || !etr_perf->etr_buf)) {
1750 	pid = etr_perf->pid;
1767 	rc = tmc_etr_enable_hw(drvdata, etr_perf->etr_buf);
1772 		drvdata->perf_buf = etr_perf->etr_buf;