diff options
Diffstat (limited to 'arch/mips/kernel/perf_event_mipsxx.c')
| -rw-r--r-- | arch/mips/kernel/perf_event_mipsxx.c | 117 |
1 files changed, 17 insertions, 100 deletions
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index efce5defcc5c..196a070349b0 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -329,7 +329,7 @@ static int mipsxx_pmu_alloc_counter(struct cpu_hw_events *cpuc, for (i = mipspmu.num_counters - 1; i >= 0; i--) { /* * Note that some MIPS perf events can be counted by both - * even and odd counters, wheresas many other are only by + * even and odd counters, whereas many other are only by * even _or_ odd counters. This introduces an issue that * when the former kind of event takes the counter the * latter kind of event wants to use, then the "counter @@ -791,8 +791,7 @@ static void handle_associated_event(struct cpu_hw_events *cpuc, if (!mipspmu_event_set_period(event, hwc, idx)) return; - if (perf_event_overflow(event, data, regs)) - mipsxx_pmu_disable_event(idx); + perf_event_overflow(event, data, regs); } @@ -1002,15 +1001,6 @@ static const struct mips_perf_event bmips5000_event_map [PERF_COUNT_HW_BRANCH_MISSES] = { 0x02, CNTR_ODD, T }, }; -static const struct mips_perf_event xlp_event_map[PERF_COUNT_HW_MAX] = { - [PERF_COUNT_HW_CPU_CYCLES] = { 0x01, CNTR_ALL }, - [PERF_COUNT_HW_INSTRUCTIONS] = { 0x18, CNTR_ALL }, /* PAPI_TOT_INS */ - [PERF_COUNT_HW_CACHE_REFERENCES] = { 0x04, CNTR_ALL }, /* PAPI_L1_ICA */ - [PERF_COUNT_HW_CACHE_MISSES] = { 0x07, CNTR_ALL }, /* PAPI_L1_ICM */ - [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { 0x1b, CNTR_ALL }, /* PAPI_BR_CN */ - [PERF_COUNT_HW_BRANCH_MISSES] = { 0x1c, CNTR_ALL }, /* PAPI_BR_MSP */ -}; - /* 24K/34K/1004K/interAptiv/loongson1 cores share the same cache event map. */ static const struct mips_perf_event mipsxxcore_cache_map [PERF_COUNT_HW_CACHE_MAX] @@ -1477,63 +1467,6 @@ static const struct mips_perf_event octeon_cache_map }, }; -static const struct mips_perf_event xlp_cache_map - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = { -[C(L1D)] = { - [C(OP_READ)] = { - [C(RESULT_ACCESS)] = { 0x31, CNTR_ALL }, /* PAPI_L1_DCR */ - [C(RESULT_MISS)] = { 0x30, CNTR_ALL }, /* PAPI_L1_LDM */ - }, - [C(OP_WRITE)] = { - [C(RESULT_ACCESS)] = { 0x2f, CNTR_ALL }, /* PAPI_L1_DCW */ - [C(RESULT_MISS)] = { 0x2e, CNTR_ALL }, /* PAPI_L1_STM */ - }, -}, -[C(L1I)] = { - [C(OP_READ)] = { - [C(RESULT_ACCESS)] = { 0x04, CNTR_ALL }, /* PAPI_L1_ICA */ - [C(RESULT_MISS)] = { 0x07, CNTR_ALL }, /* PAPI_L1_ICM */ - }, -}, -[C(LL)] = { - [C(OP_READ)] = { - [C(RESULT_ACCESS)] = { 0x35, CNTR_ALL }, /* PAPI_L2_DCR */ - [C(RESULT_MISS)] = { 0x37, CNTR_ALL }, /* PAPI_L2_LDM */ - }, - [C(OP_WRITE)] = { - [C(RESULT_ACCESS)] = { 0x34, CNTR_ALL }, /* PAPI_L2_DCA */ - [C(RESULT_MISS)] = { 0x36, CNTR_ALL }, /* PAPI_L2_DCM */ - }, -}, -[C(DTLB)] = { - /* - * Only general DTLB misses are counted use the same event for - * read and write. - */ - [C(OP_READ)] = { - [C(RESULT_MISS)] = { 0x2d, CNTR_ALL }, /* PAPI_TLB_DM */ - }, - [C(OP_WRITE)] = { - [C(RESULT_MISS)] = { 0x2d, CNTR_ALL }, /* PAPI_TLB_DM */ - }, -}, -[C(ITLB)] = { - [C(OP_READ)] = { - [C(RESULT_MISS)] = { 0x08, CNTR_ALL }, /* PAPI_TLB_IM */ - }, - [C(OP_WRITE)] = { - [C(RESULT_MISS)] = { 0x08, CNTR_ALL }, /* PAPI_TLB_IM */ - }, -}, -[C(BPU)] = { - [C(OP_READ)] = { - [C(RESULT_MISS)] = { 0x25, CNTR_ALL }, - }, -}, -}; - static int __hw_perf_event_init(struct perf_event *event) { struct perf_event_attr *attr = &event->attr; @@ -1898,8 +1831,8 @@ static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config) (base_id >= 64 && base_id < 90) || (base_id >= 128 && base_id < 164) || (base_id >= 192 && base_id < 200) || - (base_id >= 256 && base_id < 274) || - (base_id >= 320 && base_id < 358) || + (base_id >= 256 && base_id < 275) || + (base_id >= 320 && base_id < 361) || (base_id >= 384 && base_id < 574)) break; @@ -1919,19 +1852,22 @@ static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config) static const struct mips_perf_event *octeon_pmu_map_raw_event(u64 config) { - unsigned int raw_id = config & 0xff; - unsigned int base_id = raw_id & 0x7f; + unsigned int base_id = config & 0x7f; + unsigned int event_max; raw_event.cntr_mask = CNTR_ALL; raw_event.event_id = base_id; - if (current_cpu_type() == CPU_CAVIUM_OCTEON2) { - if (base_id > 0x42) - return ERR_PTR(-EOPNOTSUPP); - } else { - if (base_id > 0x3a) - return ERR_PTR(-EOPNOTSUPP); + if (current_cpu_type() == CPU_CAVIUM_OCTEON3) + event_max = 0x5f; + else if (current_cpu_type() == CPU_CAVIUM_OCTEON2) + event_max = 0x42; + else + event_max = 0x3a; + + if (base_id > event_max) { + return ERR_PTR(-EOPNOTSUPP); } switch (base_id) { @@ -1941,7 +1877,7 @@ static const struct mips_perf_event *octeon_pmu_map_raw_event(u64 config) case 0x1f: case 0x2f: case 0x34: - case 0x3b ... 0x3f: + case 0x3e ... 0x3f: return ERR_PTR(-EOPNOTSUPP); default: break; @@ -1950,20 +1886,6 @@ static const struct mips_perf_event *octeon_pmu_map_raw_event(u64 config) return &raw_event; } -static const struct mips_perf_event *xlp_pmu_map_raw_event(u64 config) -{ - unsigned int raw_id = config & 0xff; - - /* Only 1-63 are defined */ - if ((raw_id < 0x01) || (raw_id > 0x3f)) - return ERR_PTR(-EOPNOTSUPP); - - raw_event.cntr_mask = CNTR_ALL; - raw_event.event_id = raw_id; - - return &raw_event; -} - static int __init init_hw_perf_events(void) { @@ -2077,6 +1999,7 @@ init_hw_perf_events(void) case CPU_CAVIUM_OCTEON: case CPU_CAVIUM_OCTEON_PLUS: case CPU_CAVIUM_OCTEON2: + case CPU_CAVIUM_OCTEON3: mipspmu.name = "octeon"; mipspmu.general_event_map = &octeon_event_map; mipspmu.cache_event_map = &octeon_cache_map; @@ -2087,12 +2010,6 @@ init_hw_perf_events(void) mipspmu.general_event_map = &bmips5000_event_map; mipspmu.cache_event_map = &bmips5000_cache_map; break; - case CPU_XLP: - mipspmu.name = "xlp"; - mipspmu.general_event_map = &xlp_event_map; - mipspmu.cache_event_map = &xlp_cache_map; - mipspmu.map_raw_event = xlp_pmu_map_raw_event; - break; default: pr_cont("Either hardware does not support performance " "counters, or not yet implemented.\n"); |