20  * DOC: Xe PMU (Performance Monitoring Unit)
28  *     $ ls /sys/bus/event_source/devices/xe_0000_00_02.0/events/
29  *     $ ls /sys/bus/event_source/devices/xe_0000_00_02.0/format/
42  * For gt specific events (gt-*) gt parameter must be passed. All other parameters will be 0.
58 #define XE_PMU_EVENT_ID_MASK			GENMASK_ULL(11, 0)
85 #define XE_PMU_EVENT_GT_C6_RESIDENCY		0x01
86 #define XE_PMU_EVENT_ENGINE_ACTIVE_TICKS	0x02
87 #define XE_PMU_EVENT_ENGINE_TOTAL_TICKS		0x03
88 #define XE_PMU_EVENT_GT_ACTUAL_FREQUENCY	0x04
89 #define XE_PMU_EVENT_GT_REQUESTED_FREQUENCY	0x05
93 	struct xe_device *xe = container_of(event->pmu, typeof(*xe), pmu.base);  in event_to_gt()  local
96 	return xe_device_get_gt(xe, gt);  in event_to_gt()
101 	struct xe_device *xe = container_of(event->pmu, typeof(*xe), pmu.base);  in event_to_hwe()  local
110 	hwe = xe_hw_engine_lookup(xe, eci);  in event_to_hwe()
135 	struct xe_device *xe = container_of(event->pmu, typeof(*xe), pmu.base);  in event_gt_forcewake()  local
143 	gt = xe_device_get_gt(xe, config_to_gt_id(config));  in event_gt_forcewake()
163 	struct xe_device *xe = container_of(pmu, typeof(*xe), pmu);  in event_supported()  local
164 	struct xe_gt *gt = xe_device_get_gt(xe, gt_id);  in event_supported()
175 	struct xe_device *xe = container_of(event->pmu, typeof(*xe), pmu.base);  in event_param_valid()  local
180 	gt = xe_device_get_gt(xe, config_to_gt_id(config));  in event_param_valid()
200 		/* PF(0) and total vfs when SRIOV is enabled */  in event_param_valid()
201 		if (IS_SRIOV_PF(xe)) {  in event_param_valid()
202 			if (function_id > xe_sriov_pf_get_totalvfs(xe))  in event_param_valid()
216 	struct xe_device *xe = container_of(event->pmu, typeof(*xe), pmu.base);  in xe_pmu_event_destroy()  local
221 		gt = xe_device_get_gt(xe, config_to_gt_id(event->attr.config));  in xe_pmu_event_destroy()
227 	drm_WARN_ON(&xe->drm, event->parent);  in xe_pmu_event_destroy()
228 	xe_pm_runtime_put(xe);  in xe_pmu_event_destroy()
229 	drm_dev_put(&xe->drm);  in xe_pmu_event_destroy()
234 	struct xe_device *xe = container_of(event->pmu, typeof(*xe), pmu.base);  in xe_pmu_event_init()  local
235 	struct xe_pmu *pmu = &xe->pmu;  in xe_pmu_event_init()
248 	if (event->cpu < 0)  in xe_pmu_event_init()
263 		drm_dev_get(&xe->drm);  in xe_pmu_event_init()
264 		xe_pm_runtime_get(xe);  in xe_pmu_event_init()
266 			xe_pm_runtime_put(xe);  in xe_pmu_event_init()
267 			drm_dev_put(&xe->drm);  in xe_pmu_event_init()
273 	return 0;  in xe_pmu_event_init()
280 	u64 config, val = 0;  in read_engine_events()
299 		return 0;  in __xe_pmu_event_read()
313 	return 0;  in __xe_pmu_event_read()
338 	struct xe_device *xe = container_of(event->pmu, typeof(*xe), pmu.base);  in xe_pmu_event_read()  local
339 	struct xe_pmu *pmu = &xe->pmu;  in xe_pmu_event_read()
361 	struct xe_device *xe = container_of(event->pmu, typeof(*xe), pmu.base);  in xe_pmu_event_start()  local
362 	struct xe_pmu *pmu = &xe->pmu;  in xe_pmu_event_start()
368 	event->hw.state = 0;  in xe_pmu_event_start()
373 	struct xe_device *xe = container_of(event->pmu, typeof(*xe), pmu.base);  in xe_pmu_event_stop()  local
374 	struct xe_pmu *pmu = &xe->pmu;  in xe_pmu_event_stop()
385 	struct xe_device *xe = container_of(event->pmu, typeof(*xe), pmu.base);  in xe_pmu_event_add()  local
386 	struct xe_pmu *pmu = &xe->pmu;  in xe_pmu_event_add()
394 	return 0;  in xe_pmu_event_add()
406 PMU_FORMAT_ATTR(event,			"config:0-11");
452 		return event_supported(pmu, 0, id_) ? attr->mode : 0;	\
499 	struct xe_device *xe = container_of(pmu, typeof(*xe), pmu);  in set_supported_events()  local
500 	struct xe_gt *gt = xe_device_get_gt(xe, 0);  in set_supported_events()
502 	if (!xe->info.skip_guc_pc) {  in set_supported_events()
521 	struct xe_device *xe = container_of(pmu, typeof(*xe), pmu);  in xe_pmu_unregister()  local
533  * xe_pmu_register() - Define basic PMU properties for Xe and add event callbacks.
536  * Returns 0 on success and an appropriate error code otherwise
540 	struct xe_device *xe = container_of(pmu, typeof(*xe), pmu);  in xe_pmu_register()  local
551 	if (IS_SRIOV_VF(xe))  in xe_pmu_register()
552 		return 0;  in xe_pmu_register()
555 			 dev_name(xe->drm.dev));  in xe_pmu_register()
583 	return devm_add_action_or_reset(xe->drm.dev, xe_pmu_unregister, pmu);  in xe_pmu_register()
588 	drm_err(&xe->drm, "Failed to register PMU (ret=%d)!\n", ret);  in xe_pmu_register()