Lines Matching full:pmu
40 #define to_ddr_pmu(p) container_of(p, struct ddr_pmu, pmu)
66 { .compatible = "fsl,imx8-ddr-pmu", .data = &imx8_devtype_data},
67 { .compatible = "fsl,imx8m-ddr-pmu", .data = &imx8m_devtype_data},
68 { .compatible = "fsl,imx8mp-ddr-pmu", .data = &imx8mp_devtype_data},
74 struct pmu pmu; member
94 static u32 ddr_perf_filter_cap_get(struct ddr_pmu *pmu, int cap) in ddr_perf_filter_cap_get() argument
96 u32 quirks = pmu->devtype_data->quirks; in ddr_perf_filter_cap_get()
115 struct ddr_pmu *pmu = dev_get_drvdata(dev); in ddr_perf_filter_cap_show() local
121 ddr_perf_filter_cap_get(pmu, cap)); in ddr_perf_filter_cap_show()
146 struct ddr_pmu *pmu = dev_get_drvdata(dev); in ddr_perf_cpumask_show() local
148 return cpumap_print_to_pagebuf(true, buf, cpumask_of(pmu->cpu)); in ddr_perf_cpumask_show()
267 struct ddr_pmu *pmu = to_ddr_pmu(event->pmu); in ddr_perf_is_enhanced_filtered() local
269 filt = pmu->devtype_data->quirks & DDR_CAP_AXI_ID_FILTER_ENHANCED; in ddr_perf_is_enhanced_filtered()
274 static u32 ddr_perf_alloc_counter(struct ddr_pmu *pmu, int event) in ddr_perf_alloc_counter() argument
284 if (pmu->events[EVENT_CYCLES_COUNTER] == NULL) in ddr_perf_alloc_counter()
291 if (pmu->events[i] == NULL) in ddr_perf_alloc_counter()
298 static void ddr_perf_free_counter(struct ddr_pmu *pmu, int counter) in ddr_perf_free_counter() argument
300 pmu->events[counter] = NULL; in ddr_perf_free_counter()
303 static u32 ddr_perf_read_counter(struct ddr_pmu *pmu, int counter) in ddr_perf_read_counter() argument
305 struct perf_event *event = pmu->events[counter]; in ddr_perf_read_counter()
306 void __iomem *base = pmu->base; in ddr_perf_read_counter()
310 * axid-read and axid-write event if PMU core supports enhanced in ddr_perf_read_counter()
320 struct ddr_pmu *pmu = to_ddr_pmu(event->pmu); in ddr_perf_event_init() local
324 if (event->attr.type != event->pmu->type) in ddr_perf_event_init()
331 dev_warn(pmu->dev, "Can't provide per-task data!\n"); in ddr_perf_event_init()
340 if (event->group_leader->pmu != event->pmu && in ddr_perf_event_init()
344 if (pmu->devtype_data->quirks & DDR_CAP_AXI_ID_FILTER) { in ddr_perf_event_init()
354 if (sibling->pmu != event->pmu && in ddr_perf_event_init()
359 event->cpu = pmu->cpu; in ddr_perf_event_init()
368 struct ddr_pmu *pmu = to_ddr_pmu(event->pmu); in ddr_perf_event_update() local
375 new_raw_count = ddr_perf_read_counter(pmu, counter); in ddr_perf_event_update()
384 static void ddr_perf_counter_enable(struct ddr_pmu *pmu, int config, in ddr_perf_counter_enable() argument
397 writel(0, pmu->base + reg); in ddr_perf_counter_enable()
400 writel(val, pmu->base + reg); in ddr_perf_counter_enable()
403 val = readl_relaxed(pmu->base + reg) & CNTL_EN_MASK; in ddr_perf_counter_enable()
404 writel(val, pmu->base + reg); in ddr_perf_counter_enable()
410 struct ddr_pmu *pmu = to_ddr_pmu(event->pmu); in ddr_perf_event_start() local
416 ddr_perf_counter_enable(pmu, event->attr.config, counter, true); in ddr_perf_event_start()
418 if (!pmu->active_counter++) in ddr_perf_event_start()
419 ddr_perf_counter_enable(pmu, EVENT_CYCLES_ID, in ddr_perf_event_start()
427 struct ddr_pmu *pmu = to_ddr_pmu(event->pmu); in ddr_perf_event_add() local
433 if (pmu->devtype_data->quirks & DDR_CAP_AXI_ID_FILTER) { in ddr_perf_event_add()
437 if (pmu->events[i] && in ddr_perf_event_add()
438 !ddr_perf_filters_compatible(event, pmu->events[i])) in ddr_perf_event_add()
445 writel(cfg1, pmu->base + COUNTER_DPCR1); in ddr_perf_event_add()
449 counter = ddr_perf_alloc_counter(pmu, cfg); in ddr_perf_event_add()
451 dev_dbg(pmu->dev, "There are not enough counters\n"); in ddr_perf_event_add()
455 pmu->events[counter] = event; in ddr_perf_event_add()
456 pmu->active_events++; in ddr_perf_event_add()
469 struct ddr_pmu *pmu = to_ddr_pmu(event->pmu); in ddr_perf_event_stop() local
473 ddr_perf_counter_enable(pmu, event->attr.config, counter, false); in ddr_perf_event_stop()
476 if (!--pmu->active_counter) in ddr_perf_event_stop()
477 ddr_perf_counter_enable(pmu, EVENT_CYCLES_ID, in ddr_perf_event_stop()
485 struct ddr_pmu *pmu = to_ddr_pmu(event->pmu); in ddr_perf_event_del() local
491 ddr_perf_free_counter(pmu, counter); in ddr_perf_event_del()
492 pmu->active_events--; in ddr_perf_event_del()
496 static void ddr_perf_pmu_enable(struct pmu *pmu) in ddr_perf_pmu_enable() argument
500 static void ddr_perf_pmu_disable(struct pmu *pmu) in ddr_perf_pmu_disable() argument
504 static int ddr_perf_init(struct ddr_pmu *pmu, void __iomem *base, in ddr_perf_init() argument
507 *pmu = (struct ddr_pmu) { in ddr_perf_init()
508 .pmu = (struct pmu) { in ddr_perf_init()
526 pmu->id = ida_simple_get(&ddr_ida, 0, 0, GFP_KERNEL); in ddr_perf_init()
527 return pmu->id; in ddr_perf_init()
533 struct ddr_pmu *pmu = (struct ddr_pmu *) p; in ddr_perf_irq_handler() local
537 ddr_perf_counter_enable(pmu, in ddr_perf_irq_handler()
553 if (!pmu->events[i]) in ddr_perf_irq_handler()
556 event = pmu->events[i]; in ddr_perf_irq_handler()
564 ddr_perf_counter_enable(pmu, in ddr_perf_irq_handler()
576 struct ddr_pmu *pmu = hlist_entry_safe(node, struct ddr_pmu, node); in ddr_perf_offline_cpu() local
579 if (cpu != pmu->cpu) in ddr_perf_offline_cpu()
586 perf_pmu_migrate_context(&pmu->pmu, cpu, target); in ddr_perf_offline_cpu()
587 pmu->cpu = target; in ddr_perf_offline_cpu()
589 WARN_ON(irq_set_affinity_hint(pmu->irq, cpumask_of(pmu->cpu))); in ddr_perf_offline_cpu()
596 struct ddr_pmu *pmu; in ddr_perf_probe() local
610 pmu = devm_kzalloc(&pdev->dev, sizeof(*pmu), GFP_KERNEL); in ddr_perf_probe()
611 if (!pmu) in ddr_perf_probe()
614 num = ddr_perf_init(pmu, base, &pdev->dev); in ddr_perf_probe()
616 platform_set_drvdata(pdev, pmu); in ddr_perf_probe()
625 pmu->devtype_data = of_device_get_match_data(&pdev->dev); in ddr_perf_probe()
627 pmu->cpu = raw_smp_processor_id(); in ddr_perf_probe()
638 pmu->cpuhp_state = ret; in ddr_perf_probe()
640 /* Register the pmu instance for cpu hotplug */ in ddr_perf_probe()
641 ret = cpuhp_state_add_instance_nocalls(pmu->cpuhp_state, &pmu->node); in ddr_perf_probe()
659 pmu); in ddr_perf_probe()
665 pmu->irq = irq; in ddr_perf_probe()
666 ret = irq_set_affinity_hint(pmu->irq, cpumask_of(pmu->cpu)); in ddr_perf_probe()
668 dev_err(pmu->dev, "Failed to set interrupt affinity!\n"); in ddr_perf_probe()
672 ret = perf_pmu_register(&pmu->pmu, name, -1); in ddr_perf_probe()
679 cpuhp_state_remove_instance_nocalls(pmu->cpuhp_state, &pmu->node); in ddr_perf_probe()
681 cpuhp_remove_multi_state(pmu->cpuhp_state); in ddr_perf_probe()
683 ida_simple_remove(&ddr_ida, pmu->id); in ddr_perf_probe()
684 dev_warn(&pdev->dev, "i.MX8 DDR Perf PMU failed (%d), disabled\n", ret); in ddr_perf_probe()
690 struct ddr_pmu *pmu = platform_get_drvdata(pdev); in ddr_perf_remove() local
692 cpuhp_state_remove_instance_nocalls(pmu->cpuhp_state, &pmu->node); in ddr_perf_remove()
693 cpuhp_remove_multi_state(pmu->cpuhp_state); in ddr_perf_remove()
694 irq_set_affinity_hint(pmu->irq, NULL); in ddr_perf_remove()
696 perf_pmu_unregister(&pmu->pmu); in ddr_perf_remove()
698 ida_simple_remove(&ddr_ida, pmu->id); in ddr_perf_remove()
704 .name = "imx-ddr-pmu",