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 | 5 | ||||
| -rw-r--r-- | drivers/perf/fsl_imx8_ddr_perf.c | 124 | ||||
| -rw-r--r-- | drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c | 5 | ||||
| -rw-r--r-- | drivers/perf/hisilicon/hisi_uncore_hha_pmu.c | 4 | ||||
| -rw-r--r-- | drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c | 4 | ||||
| -rw-r--r-- | drivers/perf/hisilicon/hisi_uncore_pmu.c | 26 | ||||
| -rw-r--r-- | drivers/perf/thunderx2_pmu.c | 267 | ||||
| -rw-r--r-- | drivers/perf/xgene_pmu.c | 14 |
10 files changed, 367 insertions, 90 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 abcf54f7d19c..773128f411f1 100644 --- a/drivers/perf/arm_smmuv3_pmu.c +++ b/drivers/perf/arm_smmuv3_pmu.c @@ -727,7 +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; @@ -764,8 +764,7 @@ 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 { diff --git a/drivers/perf/fsl_imx8_ddr_perf.c b/drivers/perf/fsl_imx8_ddr_perf.c index ce7345745b42..55083c67b2bb 100644 --- a/drivers/perf/fsl_imx8_ddr_perf.c +++ b/drivers/perf/fsl_imx8_ddr_perf.c @@ -45,7 +45,8 @@ 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 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 */ @@ -57,9 +58,14 @@ 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", .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); @@ -78,6 +84,61 @@ struct ddr_pmu { 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) { @@ -175,9 +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; @@ -209,27 +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); -} - -static bool ddr_perf_is_filtered(struct perf_event *event) -{ - return event->attr.config == 0x41 || event->attr.config == 0x42; -} + struct perf_event *event = pmu->events[counter]; + void __iomem *base = pmu->base; -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); + /* + * 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) diff --git a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c index e42d4464c2cf..453f1c6a16ca 100644 --- a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c @@ -243,8 +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]. @@ -263,8 +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 f28063873e11..6a1dd72d8abb 100644 --- a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c @@ -234,7 +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), @@ -256,8 +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 078b8dc57250..1151e99b241c 100644 --- a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c @@ -233,7 +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), @@ -259,8 +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..96183e31b96a 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" @@ -338,8 +339,10 @@ void hisi_uncore_pmu_disable(struct pmu *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 + * If multi-threading is supported, On Huawei Kunpeng 920 SoC whose cpu + * core is tsv110, CCL_ID is the low 3-bits in MPIDR[Aff2] and SCCL_ID + * is the upper 5-bits of Aff2 field; while for other cpu types, SCCL_ID + * is in MPIDR[Aff3] and CCL_ID is in MPIDR[Aff2], if not, SCCL_ID * is in MPIDR[Aff2] and CCL_ID is in MPIDR[Aff1]. */ static void hisi_read_sccl_and_ccl_id(int *sccl_id, int *ccl_id) @@ -347,12 +350,19 @@ static void hisi_read_sccl_and_ccl_id(int *sccl_id, int *ccl_id) 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; + if (read_cpuid_part_number() == HISI_CPU_PART_TSV110) { + int aff2 = MPIDR_AFFINITY_LEVEL(mpidr, 2); + + if (sccl_id) + *sccl_id = aff2 >> 3; + if (ccl_id) + *ccl_id = aff2 & 0x7; + } else { + if (sccl_id) + *sccl_id = MPIDR_AFFINITY_LEVEL(mpidr, 3); + if (ccl_id) + *ccl_id = MPIDR_AFFINITY_LEVEL(mpidr, 2); + } } else { if (sccl_id) *sccl_id = MPIDR_AFFINITY_LEVEL(mpidr, 2); 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 7e328d6385c3..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); |
