diff options
Diffstat (limited to 'drivers/perf')
-rw-r--r-- | drivers/perf/arm-cci.c | 4 | ||||
-rw-r--r-- | drivers/perf/arm-ccn.c | 4 | ||||
-rw-r--r-- | drivers/perf/arm_smmuv3_pmu.c | 76 | ||||
-rw-r--r-- | drivers/perf/fsl_imx8_ddr_perf.c | 175 | ||||
-rw-r--r-- | drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c | 9 | ||||
-rw-r--r-- | drivers/perf/hisilicon/hisi_uncore_hha_pmu.c | 8 | ||||
-rw-r--r-- | drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c | 8 | ||||
-rw-r--r-- | drivers/perf/hisilicon/hisi_uncore_pmu.c | 50 | ||||
-rw-r--r-- | drivers/perf/qcom_l2_pmu.c | 6 | ||||
-rw-r--r-- | drivers/perf/thunderx2_pmu.c | 267 | ||||
-rw-r--r-- | drivers/perf/xgene_pmu.c | 18 |
11 files changed, 499 insertions, 126 deletions
diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c index 8f8606b9bc9e..1b8e337a29ca 100644 --- a/drivers/perf/arm-cci.c +++ b/drivers/perf/arm-cci.c @@ -1642,7 +1642,6 @@ static struct cci_pmu *cci_pmu_alloc(struct device *dev) static int cci_pmu_probe(struct platform_device *pdev) { - struct resource *res; struct cci_pmu *cci_pmu; int i, ret, irq; @@ -1650,8 +1649,7 @@ static int cci_pmu_probe(struct platform_device *pdev) if (IS_ERR(cci_pmu)) return PTR_ERR(cci_pmu); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - cci_pmu->base = devm_ioremap_resource(&pdev->dev, res); + cci_pmu->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(cci_pmu->base)) return -ENOMEM; diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c index 6fc0273b6129..fea354d6fb29 100644 --- a/drivers/perf/arm-ccn.c +++ b/drivers/perf/arm-ccn.c @@ -1477,8 +1477,7 @@ static int arm_ccn_probe(struct platform_device *pdev) ccn->dev = &pdev->dev; platform_set_drvdata(pdev, ccn); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ccn->base = devm_ioremap_resource(ccn->dev, res); + ccn->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(ccn->base)) return PTR_ERR(ccn->base); @@ -1537,6 +1536,7 @@ static int arm_ccn_remove(struct platform_device *pdev) static const struct of_device_id arm_ccn_match[] = { { .compatible = "arm,ccn-502", }, { .compatible = "arm,ccn-504", }, + { .compatible = "arm,ccn-512", }, {}, }; MODULE_DEVICE_TABLE(of, arm_ccn_match); diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c index da71c741cb46..f01a57e5a5f3 100644 --- a/drivers/perf/arm_smmuv3_pmu.c +++ b/drivers/perf/arm_smmuv3_pmu.c @@ -113,8 +113,6 @@ struct smmu_pmu { u64 counter_mask; u32 options; bool global_filter; - u32 global_filter_span; - u32 global_filter_sid; }; #define to_smmu_pmu(p) (container_of(p, struct smmu_pmu, pmu)) @@ -260,6 +258,19 @@ static void smmu_pmu_set_event_filter(struct perf_event *event, smmu_pmu_set_smr(smmu_pmu, idx, sid); } +static bool smmu_pmu_check_global_filter(struct perf_event *curr, + struct perf_event *new) +{ + if (get_filter_enable(new) != get_filter_enable(curr)) + return false; + + if (!get_filter_enable(new)) + return true; + + return get_filter_span(new) == get_filter_span(curr) && + get_filter_stream_id(new) == get_filter_stream_id(curr); +} + static int smmu_pmu_apply_event_filter(struct smmu_pmu *smmu_pmu, struct perf_event *event, int idx) { @@ -279,17 +290,14 @@ static int smmu_pmu_apply_event_filter(struct smmu_pmu *smmu_pmu, } /* Requested settings same as current global settings*/ - if (span == smmu_pmu->global_filter_span && - sid == smmu_pmu->global_filter_sid) + idx = find_first_bit(smmu_pmu->used_counters, num_ctrs); + if (idx == num_ctrs || + smmu_pmu_check_global_filter(smmu_pmu->events[idx], event)) { + smmu_pmu_set_event_filter(event, 0, span, sid); return 0; + } - if (!bitmap_empty(smmu_pmu->used_counters, num_ctrs)) - return -EAGAIN; - - smmu_pmu_set_event_filter(event, 0, span, sid); - smmu_pmu->global_filter_span = span; - smmu_pmu->global_filter_sid = sid; - return 0; + return -EAGAIN; } static int smmu_pmu_get_event_idx(struct smmu_pmu *smmu_pmu, @@ -312,6 +320,19 @@ static int smmu_pmu_get_event_idx(struct smmu_pmu *smmu_pmu, return idx; } +static bool smmu_pmu_events_compatible(struct perf_event *curr, + struct perf_event *new) +{ + if (new->pmu != curr->pmu) + return false; + + if (to_smmu_pmu(new->pmu)->global_filter && + !smmu_pmu_check_global_filter(curr, new)) + return false; + + return true; +} + /* * Implementation of abstract pmu functionality required by * the core perf events code. @@ -323,6 +344,7 @@ static int smmu_pmu_event_init(struct perf_event *event) struct smmu_pmu *smmu_pmu = to_smmu_pmu(event->pmu); struct device *dev = smmu_pmu->dev; struct perf_event *sibling; + int group_num_events = 1; u16 event_id; if (event->attr.type != event->pmu->type) @@ -347,18 +369,23 @@ static int smmu_pmu_event_init(struct perf_event *event) } /* Don't allow groups with mixed PMUs, except for s/w events */ - if (event->group_leader->pmu != event->pmu && - !is_software_event(event->group_leader)) { - dev_dbg(dev, "Can't create mixed PMU group\n"); - return -EINVAL; + if (!is_software_event(event->group_leader)) { + if (!smmu_pmu_events_compatible(event->group_leader, event)) + return -EINVAL; + + if (++group_num_events > smmu_pmu->num_counters) + return -EINVAL; } for_each_sibling_event(sibling, event->group_leader) { - if (sibling->pmu != event->pmu && - !is_software_event(sibling)) { - dev_dbg(dev, "Can't create mixed PMU group\n"); + if (is_software_event(sibling)) + continue; + + if (!smmu_pmu_events_compatible(sibling, event)) + return -EINVAL; + + if (++group_num_events > smmu_pmu->num_counters) return -EINVAL; - } } hwc->idx = -1; @@ -700,7 +727,7 @@ static void smmu_pmu_get_acpi_options(struct smmu_pmu *smmu_pmu) static int smmu_pmu_probe(struct platform_device *pdev) { struct smmu_pmu *smmu_pmu; - struct resource *res_0, *res_1; + struct resource *res_0; u32 cfgr, reg_size; u64 ceid_64[2]; int irq, err; @@ -737,15 +764,14 @@ static int smmu_pmu_probe(struct platform_device *pdev) /* Determine if page 1 is present */ if (cfgr & SMMU_PMCG_CFGR_RELOC_CTRS) { - res_1 = platform_get_resource(pdev, IORESOURCE_MEM, 1); - smmu_pmu->reloc_base = devm_ioremap_resource(dev, res_1); + smmu_pmu->reloc_base = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(smmu_pmu->reloc_base)) return PTR_ERR(smmu_pmu->reloc_base); } else { smmu_pmu->reloc_base = smmu_pmu->reg_base; } - irq = platform_get_irq(pdev, 0); + irq = platform_get_irq_optional(pdev, 0); if (irq > 0) smmu_pmu->irq = irq; @@ -788,7 +814,7 @@ static int smmu_pmu_probe(struct platform_device *pdev) if (err) { dev_err(dev, "Error %d registering hotplug, PMU @%pa\n", err, &res_0->start); - goto out_cpuhp_err; + return err; } err = perf_pmu_register(&smmu_pmu->pmu, name, -1); @@ -807,8 +833,6 @@ static int smmu_pmu_probe(struct platform_device *pdev) out_unregister: cpuhp_state_remove_instance_nocalls(cpuhp_state_num, &smmu_pmu->node); -out_cpuhp_err: - put_cpu(); return err; } diff --git a/drivers/perf/fsl_imx8_ddr_perf.c b/drivers/perf/fsl_imx8_ddr_perf.c index 63fe21600072..95dca2cb5265 100644 --- a/drivers/perf/fsl_imx8_ddr_perf.c +++ b/drivers/perf/fsl_imx8_ddr_perf.c @@ -35,6 +35,8 @@ #define EVENT_CYCLES_COUNTER 0 #define NUM_COUNTERS 4 +#define AXI_MASKING_REVERT 0xffff0000 /* AXI_MASKING(MSB 16bits) + AXI_ID(LSB 16bits) */ + #define to_ddr_pmu(p) container_of(p, struct ddr_pmu, pmu) #define DDR_PERF_DEV_NAME "imx8_ddr" @@ -42,11 +44,31 @@ static DEFINE_IDA(ddr_ida); +/* DDR Perf hardware feature */ +#define DDR_CAP_AXI_ID_FILTER 0x1 /* support AXI ID filter */ +#define DDR_CAP_AXI_ID_FILTER_ENHANCED 0x3 /* support enhanced AXI ID filter */ + +struct fsl_ddr_devtype_data { + unsigned int quirks; /* quirks needed for different DDR Perf core */ +}; + +static const struct fsl_ddr_devtype_data imx8_devtype_data; + +static const struct fsl_ddr_devtype_data imx8m_devtype_data = { + .quirks = DDR_CAP_AXI_ID_FILTER, +}; + +static const struct fsl_ddr_devtype_data imx8mp_devtype_data = { + .quirks = DDR_CAP_AXI_ID_FILTER_ENHANCED, +}; + static const struct of_device_id imx_ddr_pmu_dt_ids[] = { - { .compatible = "fsl,imx8-ddr-pmu",}, - { .compatible = "fsl,imx8m-ddr-pmu",}, + { .compatible = "fsl,imx8-ddr-pmu", .data = &imx8_devtype_data}, + { .compatible = "fsl,imx8m-ddr-pmu", .data = &imx8m_devtype_data}, + { .compatible = "fsl,imx8mp-ddr-pmu", .data = &imx8mp_devtype_data}, { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, imx_ddr_pmu_dt_ids); struct ddr_pmu { struct pmu pmu; @@ -57,10 +79,66 @@ struct ddr_pmu { struct perf_event *events[NUM_COUNTERS]; int active_events; enum cpuhp_state cpuhp_state; + const struct fsl_ddr_devtype_data *devtype_data; int irq; int id; }; +enum ddr_perf_filter_capabilities { + PERF_CAP_AXI_ID_FILTER = 0, + PERF_CAP_AXI_ID_FILTER_ENHANCED, + PERF_CAP_AXI_ID_FEAT_MAX, +}; + +static u32 ddr_perf_filter_cap_get(struct ddr_pmu *pmu, int cap) +{ + u32 quirks = pmu->devtype_data->quirks; + + switch (cap) { + case PERF_CAP_AXI_ID_FILTER: + return !!(quirks & DDR_CAP_AXI_ID_FILTER); + case PERF_CAP_AXI_ID_FILTER_ENHANCED: + quirks &= DDR_CAP_AXI_ID_FILTER_ENHANCED; + return quirks == DDR_CAP_AXI_ID_FILTER_ENHANCED; + default: + WARN(1, "unknown filter cap %d\n", cap); + } + + return 0; +} + +static ssize_t ddr_perf_filter_cap_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct ddr_pmu *pmu = dev_get_drvdata(dev); + struct dev_ext_attribute *ea = + container_of(attr, struct dev_ext_attribute, attr); + int cap = (long)ea->var; + + return snprintf(buf, PAGE_SIZE, "%u\n", + ddr_perf_filter_cap_get(pmu, cap)); +} + +#define PERF_EXT_ATTR_ENTRY(_name, _func, _var) \ + (&((struct dev_ext_attribute) { \ + __ATTR(_name, 0444, _func, NULL), (void *)_var \ + }).attr.attr) + +#define PERF_FILTER_EXT_ATTR_ENTRY(_name, _var) \ + PERF_EXT_ATTR_ENTRY(_name, ddr_perf_filter_cap_show, _var) + +static struct attribute *ddr_perf_filter_cap_attr[] = { + PERF_FILTER_EXT_ATTR_ENTRY(filter, PERF_CAP_AXI_ID_FILTER), + PERF_FILTER_EXT_ATTR_ENTRY(enhanced_filter, PERF_CAP_AXI_ID_FILTER_ENHANCED), + NULL, +}; + +static struct attribute_group ddr_perf_filter_cap_attr_group = { + .name = "caps", + .attrs = ddr_perf_filter_cap_attr, +}; + static ssize_t ddr_perf_cpumask_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -128,6 +206,8 @@ static struct attribute *ddr_perf_events_attrs[] = { IMX8_DDR_PMU_EVENT_ATTR(refresh, 0x37), IMX8_DDR_PMU_EVENT_ATTR(write, 0x38), IMX8_DDR_PMU_EVENT_ATTR(raw-hazard, 0x39), + IMX8_DDR_PMU_EVENT_ATTR(axid-read, 0x41), + IMX8_DDR_PMU_EVENT_ATTR(axid-write, 0x42), NULL, }; @@ -137,9 +217,13 @@ static struct attribute_group ddr_perf_events_attr_group = { }; PMU_FORMAT_ATTR(event, "config:0-7"); +PMU_FORMAT_ATTR(axi_id, "config1:0-15"); +PMU_FORMAT_ATTR(axi_mask, "config1:16-31"); static struct attribute *ddr_perf_format_attrs[] = { &format_attr_event.attr, + &format_attr_axi_id.attr, + &format_attr_axi_mask.attr, NULL, }; @@ -152,9 +236,40 @@ static const struct attribute_group *attr_groups[] = { &ddr_perf_events_attr_group, &ddr_perf_format_attr_group, &ddr_perf_cpumask_attr_group, + &ddr_perf_filter_cap_attr_group, NULL, }; +static bool ddr_perf_is_filtered(struct perf_event *event) +{ + return event->attr.config == 0x41 || event->attr.config == 0x42; +} + +static u32 ddr_perf_filter_val(struct perf_event *event) +{ + return event->attr.config1; +} + +static bool ddr_perf_filters_compatible(struct perf_event *a, + struct perf_event *b) +{ + if (!ddr_perf_is_filtered(a)) + return true; + if (!ddr_perf_is_filtered(b)) + return true; + return ddr_perf_filter_val(a) == ddr_perf_filter_val(b); +} + +static bool ddr_perf_is_enhanced_filtered(struct perf_event *event) +{ + unsigned int filt; + struct ddr_pmu *pmu = to_ddr_pmu(event->pmu); + + filt = pmu->devtype_data->quirks & DDR_CAP_AXI_ID_FILTER_ENHANCED; + return (filt == DDR_CAP_AXI_ID_FILTER_ENHANCED) && + ddr_perf_is_filtered(event); +} + static u32 ddr_perf_alloc_counter(struct ddr_pmu *pmu, int event) { int i; @@ -186,7 +301,17 @@ static void ddr_perf_free_counter(struct ddr_pmu *pmu, int counter) static u32 ddr_perf_read_counter(struct ddr_pmu *pmu, int counter) { - return readl_relaxed(pmu->base + COUNTER_READ + counter * 4); + struct perf_event *event = pmu->events[counter]; + void __iomem *base = pmu->base; + + /* + * return bytes instead of bursts from ddr transaction for + * axid-read and axid-write event if PMU core supports enhanced + * filter. + */ + base += ddr_perf_is_enhanced_filtered(event) ? COUNTER_DPCR1 : + COUNTER_READ; + return readl_relaxed(base + counter * 4); } static int ddr_perf_event_init(struct perf_event *event) @@ -215,6 +340,15 @@ static int ddr_perf_event_init(struct perf_event *event) !is_software_event(event->group_leader)) return -EINVAL; + if (pmu->devtype_data->quirks & DDR_CAP_AXI_ID_FILTER) { + if (!ddr_perf_filters_compatible(event, event->group_leader)) + return -EINVAL; + for_each_sibling_event(sibling, event->group_leader) { + if (!ddr_perf_filters_compatible(event, sibling)) + return -EINVAL; + } + } + for_each_sibling_event(sibling, event->group_leader) { if (sibling->pmu != event->pmu && !is_software_event(sibling)) @@ -287,6 +421,23 @@ static int ddr_perf_event_add(struct perf_event *event, int flags) struct hw_perf_event *hwc = &event->hw; int counter; int cfg = event->attr.config; + int cfg1 = event->attr.config1; + + if (pmu->devtype_data->quirks & DDR_CAP_AXI_ID_FILTER) { + int i; + + for (i = 1; i < NUM_COUNTERS; i++) { + if (pmu->events[i] && + !ddr_perf_filters_compatible(event, pmu->events[i])) + return -EINVAL; + } + + if (ddr_perf_is_filtered(event)) { + /* revert axi id masking(axi_mask) value */ + cfg1 ^= AXI_MASKING_REVERT; + writel(cfg1, pmu->base + COUNTER_DPCR1); + } + } counter = ddr_perf_alloc_counter(pmu, cfg); if (counter < 0) { @@ -472,6 +623,8 @@ static int ddr_perf_probe(struct platform_device *pdev) if (!name) return -ENOMEM; + pmu->devtype_data = of_device_get_match_data(&pdev->dev); + pmu->cpu = raw_smp_processor_id(); ret = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN, DDR_CPUHP_CB_NAME, @@ -480,13 +633,17 @@ static int ddr_perf_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "cpuhp_setup_state_multi failed\n"); - goto ddr_perf_err; + goto cpuhp_state_err; } pmu->cpuhp_state = ret; /* Register the pmu instance for cpu hotplug */ - cpuhp_state_add_instance_nocalls(pmu->cpuhp_state, &pmu->node); + ret = cpuhp_state_add_instance_nocalls(pmu->cpuhp_state, &pmu->node); + if (ret) { + dev_err(&pdev->dev, "Error %d registering hotplug\n", ret); + goto cpuhp_instance_err; + } /* Request irq */ irq = of_irq_get(np, 0); @@ -520,9 +677,10 @@ static int ddr_perf_probe(struct platform_device *pdev) return 0; ddr_perf_err: - if (pmu->cpuhp_state) - cpuhp_state_remove_instance_nocalls(pmu->cpuhp_state, &pmu->node); - + cpuhp_state_remove_instance_nocalls(pmu->cpuhp_state, &pmu->node); +cpuhp_instance_err: + cpuhp_remove_multi_state(pmu->cpuhp_state); +cpuhp_state_err: ida_simple_remove(&ddr_ida, pmu->id); dev_warn(&pdev->dev, "i.MX8 DDR Perf PMU failed (%d), disabled\n", ret); return ret; @@ -533,6 +691,7 @@ static int ddr_perf_remove(struct platform_device *pdev) struct ddr_pmu *pmu = platform_get_drvdata(pdev); cpuhp_state_remove_instance_nocalls(pmu->cpuhp_state, &pmu->node); + cpuhp_remove_multi_state(pmu->cpuhp_state); irq_set_affinity_hint(pmu->irq, NULL); perf_pmu_unregister(&pmu->pmu); diff --git a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c index 6ad0823bcf23..453f1c6a16ca 100644 --- a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c @@ -217,10 +217,8 @@ static int hisi_ddrc_pmu_init_irq(struct hisi_pmu *ddrc_pmu, /* Read and init IRQ */ irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "DDRC PMU get irq fail; irq:%d\n", irq); + if (irq < 0) return irq; - } ret = devm_request_irq(&pdev->dev, irq, hisi_ddrc_pmu_isr, IRQF_NOBALANCING | IRQF_NO_THREAD, @@ -245,8 +243,6 @@ MODULE_DEVICE_TABLE(acpi, hisi_ddrc_pmu_acpi_match); static int hisi_ddrc_pmu_init_data(struct platform_device *pdev, struct hisi_pmu *ddrc_pmu) { - struct resource *res; - /* * Use the SCCL_ID and DDRC channel ID to identify the * DDRC PMU, while SCCL_ID is in MPIDR[aff2]. @@ -265,8 +261,7 @@ static int hisi_ddrc_pmu_init_data(struct platform_device *pdev, /* DDRC PMUs only share the same SCCL */ ddrc_pmu->ccl_id = -1; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ddrc_pmu->base = devm_ioremap_resource(&pdev->dev, res); + ddrc_pmu->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(ddrc_pmu->base)) { dev_err(&pdev->dev, "ioremap failed for ddrc_pmu resource\n"); return PTR_ERR(ddrc_pmu->base); diff --git a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c index 4f2917f3e25e..6a1dd72d8abb 100644 --- a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c @@ -207,10 +207,8 @@ static int hisi_hha_pmu_init_irq(struct hisi_pmu *hha_pmu, /* Read and init IRQ */ irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "HHA PMU get irq fail; irq:%d\n", irq); + if (irq < 0) return irq; - } ret = devm_request_irq(&pdev->dev, irq, hisi_hha_pmu_isr, IRQF_NOBALANCING | IRQF_NO_THREAD, @@ -236,7 +234,6 @@ static int hisi_hha_pmu_init_data(struct platform_device *pdev, struct hisi_pmu *hha_pmu) { unsigned long long id; - struct resource *res; acpi_status status; status = acpi_evaluate_integer(ACPI_HANDLE(&pdev->dev), @@ -258,8 +255,7 @@ static int hisi_hha_pmu_init_data(struct platform_device *pdev, /* HHA PMUs only share the same SCCL */ hha_pmu->ccl_id = -1; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - hha_pmu->base = devm_ioremap_resource(&pdev->dev, res); + hha_pmu->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(hha_pmu->base)) { dev_err(&pdev->dev, "ioremap failed for hha_pmu resource\n"); return PTR_ERR(hha_pmu->base); diff --git a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c index 9153e093f9df..1151e99b241c 100644 --- a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c @@ -206,10 +206,8 @@ static int hisi_l3c_pmu_init_irq(struct hisi_pmu *l3c_pmu, /* Read and init IRQ */ irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "L3C PMU get irq fail; irq:%d\n", irq); + if (irq < 0) return irq; - } ret = devm_request_irq(&pdev->dev, irq, hisi_l3c_pmu_isr, IRQF_NOBALANCING | IRQF_NO_THREAD, @@ -235,7 +233,6 @@ static int hisi_l3c_pmu_init_data(struct platform_device *pdev, struct hisi_pmu *l3c_pmu) { unsigned long long id; - struct resource *res; acpi_status status; status = acpi_evaluate_integer(ACPI_HANDLE(&pdev->dev), @@ -261,8 +258,7 @@ static int hisi_l3c_pmu_init_data(struct platform_device *pdev, return -EINVAL; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - l3c_pmu->base = devm_ioremap_resource(&pdev->dev, res); + l3c_pmu->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(l3c_pmu->base)) { dev_err(&pdev->dev, "ioremap failed for l3c_pmu resource\n"); return PTR_ERR(l3c_pmu->base); diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c index 79f76f8dda8e..584de8f807cc 100644 --- a/drivers/perf/hisilicon/hisi_uncore_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c @@ -15,6 +15,7 @@ #include <linux/errno.h> #include <linux/interrupt.h> +#include <asm/cputype.h> #include <asm/local64.h> #include "hisi_uncore_pmu.h" @@ -336,29 +337,44 @@ void hisi_uncore_pmu_disable(struct pmu *pmu) hisi_pmu->ops->stop_counters(hisi_pmu); } + /* - * Read Super CPU cluster and CPU cluster ID from MPIDR_EL1. - * If multi-threading is supported, CCL_ID is the low 3-bits in MPIDR[Aff2] - * and SCCL_ID is the upper 5-bits of Aff2 field; if not, SCCL_ID - * is in MPIDR[Aff2] and CCL_ID is in MPIDR[Aff1]. + * The Super CPU Cluster (SCCL) and CPU Cluster (CCL) IDs can be + * determined from the MPIDR_EL1, but the encoding varies by CPU: + * + * - For MT variants of TSV110: + * SCCL is Aff2[7:3], CCL is Aff2[2:0] + * + * - For other MT parts: + * SCCL is Aff3[7:0], CCL is Aff2[7:0] + * + * - For non-MT parts: + * SCCL is Aff2[7:0], CCL is Aff1[7:0] */ -static void hisi_read_sccl_and_ccl_id(int *sccl_id, int *ccl_id) +static void hisi_read_sccl_and_ccl_id(int *scclp, int *cclp) { u64 mpidr = read_cpuid_mpidr(); - - if (mpidr & MPIDR_MT_BITMASK) { - int aff2 = MPIDR_AFFINITY_LEVEL(mpidr, 2); - - if (sccl_id) - *sccl_id = aff2 >> 3; - if (ccl_id) - *ccl_id = aff2 & 0x7; + int aff3 = MPIDR_AFFINITY_LEVEL(mpidr, 3); + int aff2 = MPIDR_AFFINITY_LEVEL(mpidr, 2); + int aff1 = MPIDR_AFFINITY_LEVEL(mpidr, 1); + bool mt = mpidr & MPIDR_MT_BITMASK; + int sccl, ccl; + + if (mt && read_cpuid_part_number() == HISI_CPU_PART_TSV110) { + sccl = aff2 >> 3; + ccl = aff2 & 0x7; + } else if (mt) { + sccl = aff3; + ccl = aff2; } else { - if (sccl_id) - *sccl_id = MPIDR_AFFINITY_LEVEL(mpidr, 2); - if (ccl_id) - *ccl_id = MPIDR_AFFINITY_LEVEL(mpidr, 1); + sccl = aff2; + ccl = aff1; } + + if (scclp) + *scclp = sccl; + if (cclp) + *cclp = ccl; } /* diff --git a/drivers/perf/qcom_l2_pmu.c b/drivers/perf/qcom_l2_pmu.c index d06182fe14b8..21d6991dbe0b 100644 --- a/drivers/perf/qcom_l2_pmu.c +++ b/drivers/perf/qcom_l2_pmu.c @@ -909,12 +909,8 @@ static int l2_cache_pmu_probe_cluster(struct device *dev, void *data) cluster->cluster_id = fw_cluster_id; irq = platform_get_irq(sdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, - "Failed to get valid irq for cluster %ld\n", - fw_cluster_id); + if (irq < 0) return irq; - } irq_set_status_flags(irq, IRQ_NOAUTOEN); cluster->irq = irq; diff --git a/drivers/perf/thunderx2_pmu.c b/drivers/perf/thunderx2_pmu.c index 43d76c85da56..51b31d6ff2c4 100644 --- a/drivers/perf/thunderx2_pmu.c +++ b/drivers/perf/thunderx2_pmu.c @@ -16,23 +16,36 @@ * they need to be sampled before overflow(i.e, at every 2 seconds). */ -#define TX2_PMU_MAX_COUNTERS 4 +#define TX2_PMU_DMC_L3C_MAX_COUNTERS 4 +#define TX2_PMU_CCPI2_MAX_COUNTERS 8 +#define TX2_PMU_MAX_COUNTERS TX2_PMU_CCPI2_MAX_COUNTERS + + #define TX2_PMU_DMC_CHANNELS 8 #define TX2_PMU_L3_TILES 16 #define TX2_PMU_HRTIMER_INTERVAL (2 * NSEC_PER_SEC) -#define GET_EVENTID(ev) ((ev->hw.config) & 0x1f) -#define GET_COUNTERID(ev) ((ev->hw.idx) & 0x3) +#define GET_EVENTID(ev, mask) ((ev->hw.config) & mask) +#define GET_COUNTERID(ev, mask) ((ev->hw.idx) & mask) /* 1 byte per counter(4 counters). * Event id is encoded in bits [5:1] of a byte, */ #define DMC_EVENT_CFG(idx, val) ((val) << (((idx) * 8) + 1)) +/* bits[3:0] to select counters, are indexed from 8 to 15. */ +#define CCPI2_COUNTER_OFFSET 8 + #define L3C_COUNTER_CTL 0xA8 #define L3C_COUNTER_DATA 0xAC #define DMC_COUNTER_CTL 0x234 #define DMC_COUNTER_DATA 0x240 +#define CCPI2_PERF_CTL 0x108 +#define CCPI2_COUNTER_CTL 0x10C +#define CCPI2_COUNTER_SEL 0x12c +#define CCPI2_COUNTER_DATA_L 0x130 +#define CCPI2_COUNTER_DATA_H 0x134 + /* L3C event IDs */ #define L3_EVENT_READ_REQ 0xD #define L3_EVENT_WRITEBACK_REQ 0xE @@ -51,15 +64,28 @@ #define DMC_EVENT_READ_TXNS 0xF #define DMC_EVENT_MAX 0x10 +#define CCPI2_EVENT_REQ_PKT_SENT 0x3D +#define CCPI2_EVENT_SNOOP_PKT_SENT 0x65 +#define CCPI2_EVENT_DATA_PKT_SENT 0x105 +#define CCPI2_EVENT_GIC_PKT_SENT 0x12D +#define CCPI2_EVENT_MAX 0x200 + +#define CCPI2_PERF_CTL_ENABLE BIT(0) +#define CCPI2_PERF_CTL_START BIT(1) +#define CCPI2_PERF_CTL_RESET BIT(4) +#define CCPI2_EVENT_LEVEL_RISING_EDGE BIT(10) +#define CCPI2_EVENT_TYPE_EDGE_SENSITIVE BIT(11) + enum tx2_uncore_type { PMU_TYPE_L3C, PMU_TYPE_DMC, + PMU_TYPE_CCPI2, PMU_TYPE_INVALID, }; /* - * pmu on each socket has 2 uncore devices(dmc and l3c), - * each device has 4 counters. + * Each socket has 3 uncore devices associated with a PMU. The DMC and + * L3C have 4 32-bit counters and the CCPI2 has 8 64-bit counters. */ struct tx2_uncore_pmu { struct hlist_node hpnode; @@ -69,8 +95,10 @@ struct tx2_uncore_pmu { int node; int cpu; u32 max_counters; + u32 counters_mask; u32 prorate_factor; u32 max_events; + u32 events_mask; u64 hrtimer_interval; void __iomem *base; DECLARE_BITMAP(active_counters, TX2_PMU_MAX_COUNTERS); @@ -79,6 +107,7 @@ struct tx2_uncore_pmu { struct hrtimer hrtimer; const struct attribute_group **attr_groups; enum tx2_uncore_type type; + enum hrtimer_restart (*hrtimer_callback)(struct hrtimer *cb); void (*init_cntr_base)(struct perf_event *event, struct tx2_uncore_pmu *tx2_pmu); void (*stop_event)(struct perf_event *event); @@ -92,7 +121,21 @@ static inline struct tx2_uncore_pmu *pmu_to_tx2_pmu(struct pmu *pmu) return container_of(pmu, struct tx2_uncore_pmu, pmu); } -PMU_FORMAT_ATTR(event, "config:0-4"); +#define TX2_PMU_FORMAT_ATTR(_var, _name, _format) \ +static ssize_t \ +__tx2_pmu_##_var##_show(struct device *dev, \ + struct device_attribute *attr, \ + char *page) \ +{ \ + BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \ + return sprintf(page, _format "\n"); \ +} \ + \ +static struct device_attribute format_attr_##_var = \ + __ATTR(_name, 0444, __tx2_pmu_##_var##_show, NULL) + +TX2_PMU_FORMAT_ATTR(event, event, "config:0-4"); +TX2_PMU_FORMAT_ATTR(event_ccpi2, event, "config:0-9"); static struct attribute *l3c_pmu_format_attrs[] = { &format_attr_event.attr, @@ -104,6 +147,11 @@ static struct attribute *dmc_pmu_format_attrs[] = { NULL, }; +static struct attribute *ccpi2_pmu_format_attrs[] = { + &format_attr_event_ccpi2.attr, + NULL, +}; + static const struct attribute_group l3c_pmu_format_attr_group = { .name = "format", .attrs = l3c_pmu_format_attrs, @@ -114,6 +162,11 @@ static const struct attribute_group dmc_pmu_format_attr_group = { .attrs = dmc_pmu_format_attrs, }; +static const struct attribute_group ccpi2_pmu_format_attr_group = { + .name = "format", + .attrs = ccpi2_pmu_format_attrs, +}; + /* * sysfs event attributes */ @@ -164,6 +217,19 @@ static struct attribute *dmc_pmu_events_attrs[] = { NULL, }; +TX2_EVENT_ATTR(req_pktsent, CCPI2_EVENT_REQ_PKT_SENT); +TX2_EVENT_ATTR(snoop_pktsent, CCPI2_EVENT_SNOOP_PKT_SENT); +TX2_EVENT_ATTR(data_pktsent, CCPI2_EVENT_DATA_PKT_SENT); +TX2_EVENT_ATTR(gic_pktsent, CCPI2_EVENT_GIC_PKT_SENT); + +static struct attribute *ccpi2_pmu_events_attrs[] = { + &tx2_pmu_event_attr_req_pktsent.attr.attr, + &tx2_pmu_event_attr_snoop_pktsent.attr.attr, + &tx2_pmu_event_attr_data_pktsent.attr.attr, + &tx2_pmu_event_attr_gic_pktsent.attr.attr, + NULL, +}; + static const struct attribute_group l3c_pmu_events_attr_group = { .name = "events", .attrs = l3c_pmu_events_attrs, @@ -174,6 +240,11 @@ static const struct attribute_group dmc_pmu_events_attr_group = { .attrs = dmc_pmu_events_attrs, }; +static const struct attribute_group ccpi2_pmu_events_attr_group = { + .name = "events", + .attrs = ccpi2_pmu_events_attrs, +}; + /* * sysfs cpumask attributes */ @@ -213,6 +284,13 @@ static const struct attribute_group *dmc_pmu_attr_groups[] = { NULL }; +static const struct attribute_group *ccpi2_pmu_attr_groups[] = { + &ccpi2_pmu_format_attr_group, + &pmu_cpumask_attr_group, + &ccpi2_pmu_events_attr_group, + NULL +}; + static inline u32 reg_readl(unsigned long addr) { return readl((void __iomem *)addr); @@ -245,33 +323,58 @@ static void init_cntr_base_l3c(struct perf_event *event, struct tx2_uncore_pmu *tx2_pmu) { struct hw_perf_event *hwc = &event->hw; + u32 cmask; + + tx2_pmu = pmu_to_tx2_pmu(event->pmu); + cmask = tx2_pmu->counters_mask; /* counter ctrl/data reg offset at 8 */ hwc->config_base = (unsigned long)tx2_pmu->base - + L3C_COUNTER_CTL + (8 * GET_COUNTERID(event)); + + L3C_COUNTER_CTL + (8 * GET_COUNTERID(event, cmask)); hwc->event_base = (unsigned long)tx2_pmu->base - + L3C_COUNTER_DATA + (8 * GET_COUNTERID(event)); + + L3C_COUNTER_DATA + (8 * GET_COUNTERID(event, cmask)); } static void init_cntr_base_dmc(struct perf_event *event, struct tx2_uncore_pmu *tx2_pmu) { struct hw_perf_event *hwc = &event->hw; + u32 cmask; + + tx2_pmu = pmu_to_tx2_pmu(event->pmu); + cmask = tx2_pmu->counters_mask; hwc->config_base = (unsigned long)tx2_pmu->base + DMC_COUNTER_CTL; /* counter data reg offset at 0xc */ hwc->event_base = (unsigned long)tx2_pmu->base - + DMC_COUNTER_DATA + (0xc * GET_COUNTERID(event)); + + DMC_COUNTER_DATA + (0xc * GET_COUNTERID(event, cmask)); +} + +static void init_cntr_base_ccpi2(struct perf_event *event, + struct tx2_uncore_pmu *tx2_pmu) +{ + struct hw_perf_event *hwc = &event->hw; + u32 cmask; + + cmask = tx2_pmu->counters_mask; + + hwc->config_base = (unsigned long)tx2_pmu->base + + CCPI2_COUNTER_CTL + (4 * GET_COUNTERID(event, cmask)); + hwc->event_base = (unsigned long)tx2_pmu->base; } static void uncore_start_event_l3c(struct perf_event *event, int flags) { - u32 val; + u32 val, emask; struct hw_perf_event *hwc = &event->hw; + struct tx2_uncore_pmu *tx2_pmu; + + tx2_pmu = pmu_to_tx2_pmu(event->pmu); + emask = tx2_pmu->events_mask; /* event id encoded in bits [07:03] */ - val = GET_EVENTID(event) << 3; + val = GET_EVENTID(event, emask) << 3; reg_writel(val, hwc->config_base); local64_set(&hwc->prev_count, 0); reg_writel(0, hwc->event_base); @@ -284,10 +387,17 @@ static inline void uncore_stop_event_l3c(struct perf_event *event) static void uncore_start_event_dmc(struct perf_event *event, int flags) { - u32 val; + u32 val, cmask, emask; struct hw_perf_event *hwc = &event->hw; - int idx = GET_COUNTERID(event); - int event_id = GET_EVENTID(event); + struct tx2_uncore_pmu *tx2_pmu; + int idx, event_id; + + tx2_pmu = pmu_to_tx2_pmu(event->pmu); + cmask = tx2_pmu->counters_mask; + emask = tx2_pmu->events_mask; + + idx = GET_COUNTERID(event, cmask); + event_id = GET_EVENTID(event, emask); /* enable and start counters. * 8 bits for each counter, bits[05:01] of a counter to set event type. @@ -302,9 +412,14 @@ static void uncore_start_event_dmc(struct perf_event *event, int flags) static void uncore_stop_event_dmc(struct perf_event *event) { - u32 val; + u32 val, cmask; struct hw_perf_event *hwc = &event->hw; - int idx = GET_COUNTERID(event); + struct tx2_uncore_pmu *tx2_pmu; + int idx; + + tx2_pmu = pmu_to_tx2_pmu(event->pmu); + cmask = tx2_pmu->counters_mask; + idx = GET_COUNTERID(event, cmask); /* clear event type(bits[05:01]) to stop counter */ val = reg_readl(hwc->config_base); @@ -312,27 +427,72 @@ static void uncore_stop_event_dmc(struct perf_event *event) reg_writel(val, hwc->config_base); } +static void uncore_start_event_ccpi2(struct perf_event *event, int flags) +{ + u32 emask; + struct hw_perf_event *hwc = &event->hw; + struct tx2_uncore_pmu *tx2_pmu; + + tx2_pmu = pmu_to_tx2_pmu(event->pmu); + emask = tx2_pmu->events_mask; + + /* Bit [09:00] to set event id. + * Bits [10], set level to rising edge. + * Bits [11], set type to edge sensitive. + */ + reg_writel((CCPI2_EVENT_TYPE_EDGE_SENSITIVE | + CCPI2_EVENT_LEVEL_RISING_EDGE | + GET_EVENTID(event, emask)), hwc->config_base); + + /* reset[4], enable[0] and start[1] counters */ + reg_writel(CCPI2_PERF_CTL_RESET | + CCPI2_PERF_CTL_START | + CCPI2_PERF_CTL_ENABLE, + hwc->event_base + CCPI2_PERF_CTL); + local64_set(&event->hw.prev_count, 0ULL); +} + +static void uncore_stop_event_ccpi2(struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + + /* disable and stop counter */ + reg_writel(0, hwc->event_base + CCPI2_PERF_CTL); +} + static void tx2_uncore_event_update(struct perf_event *event) { - s64 prev, delta, new = 0; + u64 prev, delta, new = 0; struct hw_perf_event *hwc = &event->hw; struct tx2_uncore_pmu *tx2_pmu; enum tx2_uncore_type type; u32 prorate_factor; + u32 cmask, emask; tx2_pmu = pmu_to_tx2_pmu(event->pmu); type = tx2_pmu->type; + cmask = tx2_pmu->counters_mask; + emask = tx2_pmu->events_mask; prorate_factor = tx2_pmu->prorate_factor; - - new = reg_readl(hwc->event_base); - prev = local64_xchg(&hwc->prev_count, new); - - /* handles rollover of 32 bit counter */ - delta = (u32)(((1UL << 32) - prev) + new); + if (type == PMU_TYPE_CCPI2) { + reg_writel(CCPI2_COUNTER_OFFSET + + GET_COUNTERID(event, cmask), + hwc->event_base + CCPI2_COUNTER_SEL); + new = reg_readl(hwc->event_base + CCPI2_COUNTER_DATA_H); + new = (new << 32) + + reg_readl(hwc->event_base + CCPI2_COUNTER_DATA_L); + prev = local64_xchg(&hwc->prev_count, new); + delta = new - prev; + } else { + new = reg_readl(hwc->event_base); + prev = local64_xchg(&hwc->prev_count, new); + /* handles rollover of 32 bit counter */ + delta = (u32)(((1UL << 32) - prev) + new); + } /* DMC event data_transfers granularity is 16 Bytes, convert it to 64 */ if (type == PMU_TYPE_DMC && - GET_EVENTID(event) == DMC_EVENT_DATA_TRANSFERS) + GET_EVENTID(event, emask) == DMC_EVENT_DATA_TRANSFERS) delta = delta/4; /* L3C and DMC has 16 and 8 interleave channels respectively. @@ -351,6 +511,7 @@ static enum tx2_uncore_type get_tx2_pmu_type(struct acpi_device *adev) } devices[] = { {"CAV901D", PMU_TYPE_L3C}, {"CAV901F", PMU_TYPE_DMC}, + {"CAV901E", PMU_TYPE_CCPI2}, {"", PMU_TYPE_INVALID} }; @@ -380,7 +541,8 @@ static bool tx2_uncore_validate_event(struct pmu *pmu, * Make sure the group of events can be scheduled at once * on the PMU. */ -static bool tx2_uncore_validate_event_group(struct perf_event *event) +static bool tx2_uncore_validate_event_group(struct perf_event *event, + int max_counters) { struct perf_event *sibling, *leader = event->group_leader; int counters = 0; @@ -403,7 +565,7 @@ static bool tx2_uncore_validate_event_group(struct perf_event *event) * If the group requires more counters than the HW has, * it cannot ever be scheduled. */ - return counters <= TX2_PMU_MAX_COUNTERS; + return counters <= max_counters; } @@ -439,7 +601,7 @@ static int tx2_uncore_event_init(struct perf_event *event) hwc->config = event->attr.config; /* Validate the group */ - if (!tx2_uncore_validate_event_group(event)) + if (!tx2_uncore_validate_event_group(event, tx2_pmu->max_counters)) return -EINVAL; return 0; @@ -456,6 +618,10 @@ static void tx2_uncore_event_start(struct perf_event *event, int flags) tx2_pmu->start_event(event, flags); perf_event_update_userpage(event); + /* No hrtimer needed for CCPI2, 64-bit counters */ + if (!tx2_pmu->hrtimer_callback) + return; + /* Start timer for first event */ if (bitmap_weight(tx2_pmu->active_counters, tx2_pmu->max_counters) == 1) { @@ -510,15 +676,23 @@ static void tx2_uncore_event_del(struct perf_event *event, int flags) { struct tx2_uncore_pmu *tx2_pmu = pmu_to_tx2_pmu(event->pmu); struct hw_perf_event *hwc = &event->hw; + u32 cmask; + cmask = tx2_pmu->counters_mask; tx2_uncore_event_stop(event, PERF_EF_UPDATE); /* clear the assigned counter */ - free_counter(tx2_pmu, GET_COUNTERID(event)); + free_counter(tx2_pmu, GET_COUNTERID(event, cmask)); perf_event_update_userpage(event); tx2_pmu->events[hwc->idx] = NULL; hwc->idx = -1; + + if (!tx2_pmu->hrtimer_callback) + return; + + if (bitmap_empty(tx2_pmu->active_counters, tx2_pmu->max_counters)) + hrtimer_cancel(&tx2_pmu->hrtimer); } static void tx2_uncore_event_read(struct perf_event *event) @@ -580,8 +754,12 @@ static int tx2_uncore_pmu_add_dev(struct tx2_uncore_pmu *tx2_pmu) cpu_online_mask); tx2_pmu->cpu = cpu; - hrtimer_init(&tx2_pmu->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - tx2_pmu->hrtimer.function = tx2_hrtimer_callback; + + if (tx2_pmu->hrtimer_callback) { + hrtimer_init(&tx2_pmu->hrtimer, + CLOCK_MONOTONIC, HRTIMER_MODE_REL); + tx2_pmu->hrtimer.function = tx2_pmu->hrtimer_callback; + } ret = tx2_uncore_pmu_register(tx2_pmu); if (ret) { @@ -653,10 +831,13 @@ static struct tx2_uncore_pmu *tx2_uncore_pmu_init_dev(struct device *dev, switch (tx2_pmu->type) { case PMU_TYPE_L3C: - tx2_pmu->max_counters = TX2_PMU_MAX_COUNTERS; + tx2_pmu->max_counters = TX2_PMU_DMC_L3C_MAX_COUNTERS; + tx2_pmu->counters_mask = 0x3; tx2_pmu->prorate_factor = TX2_PMU_L3_TILES; tx2_pmu->max_events = L3_EVENT_MAX; + tx2_pmu->events_mask = 0x1f; tx2_pmu->hrtimer_interval = TX2_PMU_HRTIMER_INTERVAL; + tx2_pmu->hrtimer_callback = tx2_hrtimer_callback; tx2_pmu->attr_groups = l3c_pmu_attr_groups; tx2_pmu->name = devm_kasprintf(dev, GFP_KERNEL, "uncore_l3c_%d", tx2_pmu->node); @@ -665,10 +846,13 @@ static struct tx2_uncore_pmu *tx2_uncore_pmu_init_dev(struct device *dev, tx2_pmu->stop_event = uncore_stop_event_l3c; break; case PMU_TYPE_DMC: - tx2_pmu->max_counters = TX2_PMU_MAX_COUNTERS; + tx2_pmu->max_counters = TX2_PMU_DMC_L3C_MAX_COUNTERS; + tx2_pmu->counters_mask = 0x3; tx2_pmu->prorate_factor = TX2_PMU_DMC_CHANNELS; tx2_pmu->max_events = DMC_EVENT_MAX; + tx2_pmu->events_mask = 0x1f; tx2_pmu->hrtimer_interval = TX2_PMU_HRTIMER_INTERVAL; + tx2_pmu->hrtimer_callback = tx2_hrtimer_callback; tx2_pmu->attr_groups = dmc_pmu_attr_groups; tx2_pmu->name = devm_kasprintf(dev, GFP_KERNEL, "uncore_dmc_%d", tx2_pmu->node); @@ -676,6 +860,21 @@ static struct tx2_uncore_pmu *tx2_uncore_pmu_init_dev(struct device *dev, tx2_pmu->start_event = uncore_start_event_dmc; tx2_pmu->stop_event = uncore_stop_event_dmc; break; + case PMU_TYPE_CCPI2: + /* CCPI2 has 8 counters */ + tx2_pmu->max_counters = TX2_PMU_CCPI2_MAX_COUNTERS; + tx2_pmu->counters_mask = 0x7; + tx2_pmu->prorate_factor = 1; + tx2_pmu->max_events = CCPI2_EVENT_MAX; + tx2_pmu->events_mask = 0x1ff; + tx2_pmu->attr_groups = ccpi2_pmu_attr_groups; + tx2_pmu->name = devm_kasprintf(dev, GFP_KERNEL, + "uncore_ccpi2_%d", tx2_pmu->node); + tx2_pmu->init_cntr_base = init_cntr_base_ccpi2; + tx2_pmu->start_event = uncore_start_event_ccpi2; + tx2_pmu->stop_event = uncore_stop_event_ccpi2; + tx2_pmu->hrtimer_callback = NULL; + break; case PMU_TYPE_INVALID: devm_kfree(dev, tx2_pmu); return NULL; @@ -744,7 +943,9 @@ static int tx2_uncore_pmu_offline_cpu(unsigned int cpu, if (cpu != tx2_pmu->cpu) return 0; - hrtimer_cancel(&tx2_pmu->hrtimer); + if (tx2_pmu->hrtimer_callback) + hrtimer_cancel(&tx2_pmu->hrtimer); + cpumask_copy(&cpu_online_mask_temp, cpu_online_mask); cpumask_clear_cpu(cpu, &cpu_online_mask_temp); new_cpu = cpumask_any_and( diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c index 3259e2ebeb39..46ee6807d533 100644 --- a/drivers/perf/xgene_pmu.c +++ b/drivers/perf/xgene_pmu.c @@ -1282,25 +1282,21 @@ static int acpi_pmu_probe_active_mcb_mcu_l3c(struct xgene_pmu *xgene_pmu, struct platform_device *pdev) { void __iomem *csw_csr, *mcba_csr, *mcbb_csr; - struct resource *res; unsigned int reg; - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - csw_csr = devm_ioremap_resource(&pdev->dev, res); + csw_csr = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(csw_csr)) { dev_err(&pdev->dev, "ioremap failed for CSW CSR resource\n"); return PTR_ERR(csw_csr); } - res = platform_get_resource(pdev, IORESOURCE_MEM, 2); - mcba_csr = devm_ioremap_resource(&pdev->dev, res); + mcba_csr = devm_platform_ioremap_resource(pdev, 2); if (IS_ERR(mcba_csr)) { dev_err(&pdev->dev, "ioremap failed for MCBA CSR resource\n"); return PTR_ERR(mcba_csr); } - res = platform_get_resource(pdev, IORESOURCE_MEM, 3); - mcbb_csr = devm_ioremap_resource(&pdev->dev, res); + mcbb_csr = devm_platform_ioremap_resource(pdev, 3); if (IS_ERR(mcbb_csr)) { dev_err(&pdev->dev, "ioremap failed for MCBB CSR resource\n"); return PTR_ERR(mcbb_csr); @@ -1332,13 +1328,11 @@ static int acpi_pmu_v3_probe_active_mcb_mcu_l3c(struct xgene_pmu *xgene_pmu, struct platform_device *pdev) { void __iomem *csw_csr; - struct resource *res; unsigned int reg; u32 mcb0routing; u32 mcb1routing; - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - csw_csr = devm_ioremap_resource(&pdev->dev, res); + csw_csr = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(csw_csr)) { dev_err(&pdev->dev, "ioremap failed for CSW CSR resource\n"); return PTR_ERR(csw_csr); @@ -1901,10 +1895,8 @@ static int xgene_pmu_probe(struct platform_device *pdev) } irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "No IRQ resource\n"); + if (irq < 0) return -EINVAL; - } rc = devm_request_irq(&pdev->dev, irq, xgene_pmu_isr, IRQF_NOBALANCING | IRQF_NO_THREAD, |