diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_pmu.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pmu.c | 77 |
1 files changed, 67 insertions, 10 deletions
diff --git a/drivers/gpu/drm/xe/xe_pmu.c b/drivers/gpu/drm/xe/xe_pmu.c index 4f62a6e515d6..69df0e3520a5 100644 --- a/drivers/gpu/drm/xe/xe_pmu.c +++ b/drivers/gpu/drm/xe/xe_pmu.c @@ -10,9 +10,11 @@ #include "xe_force_wake.h" #include "xe_gt_idle.h" #include "xe_guc_engine_activity.h" +#include "xe_guc_pc.h" #include "xe_hw_engine.h" #include "xe_pm.h" #include "xe_pmu.h" +#include "xe_sriov_pf_helpers.h" /** * DOC: Xe PMU (Performance Monitoring Unit) @@ -32,9 +34,10 @@ * gt[60:63] Selects gt for the event * engine_class[20:27] Selects engine-class for event * engine_instance[12:19] Selects the engine-instance for the event + * function[44:59] Selects the function of the event (SRIOV enabled) * * For engine specific events (engine-*), gt, engine_class and engine_instance parameters must be - * set as populated by DRM_XE_DEVICE_QUERY_ENGINES. + * set as populated by DRM_XE_DEVICE_QUERY_ENGINES and function if SRIOV is enabled. * * For gt specific events (gt-*) gt parameter must be passed. All other parameters will be 0. * @@ -49,6 +52,7 @@ */ #define XE_PMU_EVENT_GT_MASK GENMASK_ULL(63, 60) +#define XE_PMU_EVENT_FUNCTION_MASK GENMASK_ULL(59, 44) #define XE_PMU_EVENT_ENGINE_CLASS_MASK GENMASK_ULL(27, 20) #define XE_PMU_EVENT_ENGINE_INSTANCE_MASK GENMASK_ULL(19, 12) #define XE_PMU_EVENT_ID_MASK GENMASK_ULL(11, 0) @@ -58,6 +62,11 @@ static unsigned int config_to_event_id(u64 config) return FIELD_GET(XE_PMU_EVENT_ID_MASK, config); } +static unsigned int config_to_function_id(u64 config) +{ + return FIELD_GET(XE_PMU_EVENT_FUNCTION_MASK, config); +} + static unsigned int config_to_engine_class(u64 config) { return FIELD_GET(XE_PMU_EVENT_ENGINE_CLASS_MASK, config); @@ -76,6 +85,8 @@ static unsigned int config_to_gt_id(u64 config) #define XE_PMU_EVENT_GT_C6_RESIDENCY 0x01 #define XE_PMU_EVENT_ENGINE_ACTIVE_TICKS 0x02 #define XE_PMU_EVENT_ENGINE_TOTAL_TICKS 0x03 +#define XE_PMU_EVENT_GT_ACTUAL_FREQUENCY 0x04 +#define XE_PMU_EVENT_GT_REQUESTED_FREQUENCY 0x05 static struct xe_gt *event_to_gt(struct perf_event *event) { @@ -111,6 +122,14 @@ static bool is_engine_event(u64 config) event_id == XE_PMU_EVENT_ENGINE_ACTIVE_TICKS); } +static bool is_gt_frequency_event(struct perf_event *event) +{ + u32 id = config_to_event_id(event->attr.config); + + return id == XE_PMU_EVENT_GT_ACTUAL_FREQUENCY || + id == XE_PMU_EVENT_GT_REQUESTED_FREQUENCY; +} + static bool event_gt_forcewake(struct perf_event *event) { struct xe_device *xe = container_of(event->pmu, typeof(*xe), pmu.base); @@ -118,7 +137,7 @@ static bool event_gt_forcewake(struct perf_event *event) struct xe_gt *gt; unsigned int *fw_ref; - if (!is_engine_event(config)) + if (!is_engine_event(config) && !is_gt_frequency_event(event)) return true; gt = xe_device_get_gt(xe, config_to_gt_id(config)); @@ -151,7 +170,7 @@ static bool event_supported(struct xe_pmu *pmu, unsigned int gt, static bool event_param_valid(struct perf_event *event) { struct xe_device *xe = container_of(event->pmu, typeof(*xe), pmu.base); - unsigned int engine_class, engine_instance; + unsigned int engine_class, engine_instance, function_id; u64 config = event->attr.config; struct xe_gt *gt; @@ -161,16 +180,28 @@ static bool event_param_valid(struct perf_event *event) engine_class = config_to_engine_class(config); engine_instance = config_to_engine_instance(config); + function_id = config_to_function_id(config); switch (config_to_event_id(config)) { case XE_PMU_EVENT_GT_C6_RESIDENCY: - if (engine_class || engine_instance) + case XE_PMU_EVENT_GT_ACTUAL_FREQUENCY: + case XE_PMU_EVENT_GT_REQUESTED_FREQUENCY: + if (engine_class || engine_instance || function_id) return false; break; case XE_PMU_EVENT_ENGINE_ACTIVE_TICKS: case XE_PMU_EVENT_ENGINE_TOTAL_TICKS: if (!event_to_hwe(event)) return false; + + /* PF(0) and total vfs when SRIOV is enabled */ + if (IS_SRIOV_PF(xe)) { + if (function_id > xe_sriov_pf_get_totalvfs(xe)) + return false; + } else if (function_id) { + return false; + } + break; } @@ -242,13 +273,17 @@ static int xe_pmu_event_init(struct perf_event *event) static u64 read_engine_events(struct xe_gt *gt, struct perf_event *event) { struct xe_hw_engine *hwe; - u64 val = 0; + unsigned int function_id; + u64 config, val = 0; + + config = event->attr.config; + function_id = config_to_function_id(config); hwe = event_to_hwe(event); - if (config_to_event_id(event->attr.config) == XE_PMU_EVENT_ENGINE_ACTIVE_TICKS) - val = xe_guc_engine_activity_active_ticks(>->uc.guc, hwe); + if (config_to_event_id(config) == XE_PMU_EVENT_ENGINE_ACTIVE_TICKS) + val = xe_guc_engine_activity_active_ticks(>->uc.guc, hwe, function_id); else - val = xe_guc_engine_activity_total_ticks(>->uc.guc, hwe); + val = xe_guc_engine_activity_total_ticks(>->uc.guc, hwe, function_id); return val; } @@ -266,6 +301,10 @@ static u64 __xe_pmu_event_read(struct perf_event *event) case XE_PMU_EVENT_ENGINE_ACTIVE_TICKS: case XE_PMU_EVENT_ENGINE_TOTAL_TICKS: return read_engine_events(gt, event); + case XE_PMU_EVENT_GT_ACTUAL_FREQUENCY: + return xe_guc_pc_get_act_freq(>->uc.guc.pc); + case XE_PMU_EVENT_GT_REQUESTED_FREQUENCY: + return xe_guc_pc_get_cur_freq_fw(>->uc.guc.pc); } return 0; @@ -281,7 +320,14 @@ static void xe_pmu_event_update(struct perf_event *event) new = __xe_pmu_event_read(event); } while (!local64_try_cmpxchg(&hwc->prev_count, &prev, new)); - local64_add(new - prev, &event->count); + /* + * GT frequency is not a monotonically increasing counter, so add the + * instantaneous value instead. + */ + if (is_gt_frequency_event(event)) + local64_add(new, &event->count); + else + local64_add(new - prev, &event->count); } static void xe_pmu_event_read(struct perf_event *event) @@ -351,6 +397,7 @@ static void xe_pmu_event_del(struct perf_event *event, int flags) } PMU_FORMAT_ATTR(gt, "config:60-63"); +PMU_FORMAT_ATTR(function, "config:44-59"); PMU_FORMAT_ATTR(engine_class, "config:20-27"); PMU_FORMAT_ATTR(engine_instance, "config:12-19"); PMU_FORMAT_ATTR(event, "config:0-11"); @@ -359,6 +406,7 @@ static struct attribute *pmu_format_attrs[] = { &format_attr_event.attr, &format_attr_engine_class.attr, &format_attr_engine_instance.attr, + &format_attr_function.attr, &format_attr_gt.attr, NULL, }; @@ -419,6 +467,10 @@ static ssize_t event_attr_show(struct device *dev, XE_EVENT_ATTR_SIMPLE(gt-c6-residency, gt_c6_residency, XE_PMU_EVENT_GT_C6_RESIDENCY, "ms"); XE_EVENT_ATTR_NOUNIT(engine-active-ticks, engine_active_ticks, XE_PMU_EVENT_ENGINE_ACTIVE_TICKS); XE_EVENT_ATTR_NOUNIT(engine-total-ticks, engine_total_ticks, XE_PMU_EVENT_ENGINE_TOTAL_TICKS); +XE_EVENT_ATTR_SIMPLE(gt-actual-frequency, gt_actual_frequency, + XE_PMU_EVENT_GT_ACTUAL_FREQUENCY, "MHz"); +XE_EVENT_ATTR_SIMPLE(gt-requested-frequency, gt_requested_frequency, + XE_PMU_EVENT_GT_REQUESTED_FREQUENCY, "MHz"); static struct attribute *pmu_empty_event_attrs[] = { /* Empty - all events are added as groups with .attr_update() */ @@ -434,6 +486,8 @@ static const struct attribute_group *pmu_events_attr_update[] = { &pmu_group_gt_c6_residency, &pmu_group_engine_active_ticks, &pmu_group_engine_total_ticks, + &pmu_group_gt_actual_frequency, + &pmu_group_gt_requested_frequency, NULL, }; @@ -442,8 +496,11 @@ static void set_supported_events(struct xe_pmu *pmu) struct xe_device *xe = container_of(pmu, typeof(*xe), pmu); struct xe_gt *gt = xe_device_get_gt(xe, 0); - if (!xe->info.skip_guc_pc) + if (!xe->info.skip_guc_pc) { pmu->supported_events |= BIT_ULL(XE_PMU_EVENT_GT_C6_RESIDENCY); + pmu->supported_events |= BIT_ULL(XE_PMU_EVENT_GT_ACTUAL_FREQUENCY); + pmu->supported_events |= BIT_ULL(XE_PMU_EVENT_GT_REQUESTED_FREQUENCY); + } if (xe_guc_engine_activity_supported(>->uc.guc)) { pmu->supported_events |= BIT_ULL(XE_PMU_EVENT_ENGINE_ACTIVE_TICKS); |