/*- * Copyright (c) 2010 George V. Neville-Neil * Copyright (c) 2015 Adrian Chadd * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #include __FBSDID("$FreeBSD: head/sys/dev/hwpmc/hwpmc_mips74k.c 281098 2015-04-05 02:57:02Z adrian $"); #include #include #include #include #include #include #include #define MIPS74K_PMC_CAPS (PMC_CAP_INTERRUPT | PMC_CAP_USER | \ PMC_CAP_SYSTEM | PMC_CAP_EDGE | \ PMC_CAP_THRESHOLD | PMC_CAP_READ | \ PMC_CAP_WRITE | PMC_CAP_INVERT | \ PMC_CAP_QUALIFIER) /* 0x1 - Exception_enable */ #define MIPS74K_PMC_INTERRUPT_ENABLE 0x10 /* Enable interrupts */ #define MIPS74K_PMC_USER_ENABLE 0x08 /* Count in USER mode */ #define MIPS74K_PMC_SUPER_ENABLE 0x04 /* Count in SUPERVISOR mode */ #define MIPS74K_PMC_KERNEL_ENABLE 0x02 /* Count in KERNEL mode */ #define MIPS74K_PMC_ENABLE (MIPS74K_PMC_USER_ENABLE | \ MIPS74K_PMC_SUPER_ENABLE | \ MIPS74K_PMC_KERNEL_ENABLE) #define MIPS74K_PMC_SELECT 5 /* Which bit position the event starts at. */ const struct mips_event_code_map mips_event_codes[] = { { PMC_EV_MIPS74K_CYCLES, MIPS_CTR_ALL, 0 }, { PMC_EV_MIPS74K_INSTR_EXECUTED, MIPS_CTR_ALL, 1 }, { PMC_EV_MIPS74K_PREDICTED_JR_31, MIPS_CTR_0, 2 }, { PMC_EV_MIPS74K_JR_31_MISPREDICTIONS, MIPS_CTR_1, 2 }, { PMC_EV_MIPS74K_REDIRECT_STALLS, MIPS_CTR_0, 3 }, { PMC_EV_MIPS74K_JR_31_NO_PREDICTIONS, MIPS_CTR_1, 3 }, { PMC_EV_MIPS74K_ITLB_ACCESSES, MIPS_CTR_0, 4 }, { PMC_EV_MIPS74K_ITLB_MISSES, MIPS_CTR_1, 4 }, { PMC_EV_MIPS74K_JTLB_INSN_MISSES, MIPS_CTR_1, 5 }, { PMC_EV_MIPS74K_ICACHE_ACCESSES, MIPS_CTR_0, 6 }, { PMC_EV_MIPS74K_ICACHE_MISSES, MIPS_CTR_1, 6 }, { PMC_EV_MIPS74K_ICACHE_MISS_STALLS, MIPS_CTR_0, 7 }, { PMC_EV_MIPS74K_UNCACHED_IFETCH_STALLS, MIPS_CTR_0, 8 }, { PMC_EV_MIPS74K_PDTRACE_BACK_STALLS, MIPS_CTR_1, 8 }, { PMC_EV_MIPS74K_IFU_REPLAYS, MIPS_CTR_0, 9 }, { PMC_EV_MIPS74K_KILLED_FETCH_SLOTS, MIPS_CTR_1, 9 }, { PMC_EV_MIPS74K_IFU_IDU_MISS_PRED_UPSTREAM_CYCLES, MIPS_CTR_0, 11 }, { PMC_EV_MIPS74K_IFU_IDU_NO_FETCH_CYCLES, MIPS_CTR_1, 11 }, { PMC_EV_MIPS74K_IFU_IDU_CLOGED_DOWNSTREAM_CYCLES, MIPS_CTR_0, 12 }, { PMC_EV_MIPS74K_DDQ0_FULL_DR_STALLS, MIPS_CTR_0, 13 }, { PMC_EV_MIPS74K_DDQ1_FULL_DR_STALLS, MIPS_CTR_1, 13 }, { PMC_EV_MIPS74K_ALCB_FULL_DR_STALLS, MIPS_CTR_0, 14 }, { PMC_EV_MIPS74K_AGCB_FULL_DR_STALLS, MIPS_CTR_1, 14 }, { PMC_EV_MIPS74K_CLDQ_FULL_DR_STALLS, MIPS_CTR_0, 15 }, { PMC_EV_MIPS74K_IODQ_FULL_DR_STALLS, MIPS_CTR_1, 15 }, { PMC_EV_MIPS74K_ALU_EMPTY_CYCLES, MIPS_CTR_0, 16 }, { PMC_EV_MIPS74K_AGEN_EMPTY_CYCLES, MIPS_CTR_1, 16 }, { PMC_EV_MIPS74K_ALU_OPERANDS_NOT_READY_CYCLES, MIPS_CTR_0, 17 }, { PMC_EV_MIPS74K_AGEN_OPERANDS_NOT_READY_CYCLES, MIPS_CTR_1, 17 }, { PMC_EV_MIPS74K_ALU_NO_ISSUES_CYCLES, MIPS_CTR_0, 18 }, { PMC_EV_MIPS74K_AGEN_NO_ISSUES_CYCLES, MIPS_CTR_1, 18 }, { PMC_EV_MIPS74K_ALU_BUBBLE_CYCLES, MIPS_CTR_0, 19 }, { PMC_EV_MIPS74K_AGEN_BUBBLE_CYCLES, MIPS_CTR_1, 19 }, { PMC_EV_MIPS74K_SINGLE_ISSUE_CYCLES, MIPS_CTR_0, 20 }, { PMC_EV_MIPS74K_DUAL_ISSUE_CYCLES, MIPS_CTR_1, 20 }, { PMC_EV_MIPS74K_OOO_ALU_ISSUE_CYCLES, MIPS_CTR_0, 21 }, { PMC_EV_MIPS74K_OOO_AGEN_ISSUE_CYCLES, MIPS_CTR_1, 21 }, { PMC_EV_MIPS74K_JALR_JALR_HB_INSNS, MIPS_CTR_0, 22 }, { PMC_EV_MIPS74K_DCACHE_LINE_REFILL_REQUESTS, MIPS_CTR_1, 22 }, { PMC_EV_MIPS74K_DCACHE_LOAD_ACCESSES, MIPS_CTR_0, 23 }, { PMC_EV_MIPS74K_DCACHE_ACCESSES, MIPS_CTR_1, 23 }, { PMC_EV_MIPS74K_DCACHE_WRITEBACKS, MIPS_CTR_0, 24 }, { PMC_EV_MIPS74K_DCACHE_MISSES, MIPS_CTR_1, 24 }, { PMC_EV_MIPS74K_JTLB_DATA_ACCESSES, MIPS_CTR_0, 25 }, { PMC_EV_MIPS74K_JTLB_DATA_MISSES, MIPS_CTR_1, 25 }, { PMC_EV_MIPS74K_LOAD_STORE_REPLAYS, MIPS_CTR_0, 26 }, { PMC_EV_MIPS74K_VA_TRANSALTION_CORNER_CASES, MIPS_CTR_1, 26 }, { PMC_EV_MIPS74K_LOAD_STORE_BLOCKED_CYCLES, MIPS_CTR_0, 27 }, { PMC_EV_MIPS74K_LOAD_STORE_NO_FILL_REQUESTS, MIPS_CTR_1, 27 }, { PMC_EV_MIPS74K_L2_CACHE_WRITEBACKS, MIPS_CTR_0, 28 }, { PMC_EV_MIPS74K_L2_CACHE_ACCESSES, MIPS_CTR_1, 28 }, { PMC_EV_MIPS74K_L2_CACHE_MISSES, MIPS_CTR_0, 29 }, { PMC_EV_MIPS74K_L2_CACHE_MISS_CYCLES, MIPS_CTR_1, 29 }, { PMC_EV_MIPS74K_FSB_FULL_STALLS, MIPS_CTR_0, 30 }, { PMC_EV_MIPS74K_FSB_OVER_50_FULL, MIPS_CTR_1, 30 }, { PMC_EV_MIPS74K_LDQ_FULL_STALLS, MIPS_CTR_0, 31 }, { PMC_EV_MIPS74K_LDQ_OVER_50_FULL, MIPS_CTR_1, 31 }, { PMC_EV_MIPS74K_WBB_FULL_STALLS, MIPS_CTR_0, 32 }, { PMC_EV_MIPS74K_WBB_OVER_50_FULL, MIPS_CTR_1, 32 }, { PMC_EV_MIPS74K_LOAD_MISS_CONSUMER_REPLAYS, MIPS_CTR_0, 35 }, { PMC_EV_MIPS74K_CP1_CP2_LOAD_INSNS, MIPS_CTR_1, 35 }, { PMC_EV_MIPS74K_JR_NON_31_INSNS, MIPS_CTR_0, 36 }, { PMC_EV_MIPS74K_MISPREDICTED_JR_31_INSNS, MIPS_CTR_1, 36 }, { PMC_EV_MIPS74K_BRANCH_INSNS, MIPS_CTR_0, 37 }, { PMC_EV_MIPS74K_CP1_CP2_COND_BRANCH_INSNS, MIPS_CTR_1, 37 }, { PMC_EV_MIPS74K_BRANCH_LIKELY_INSNS, MIPS_CTR_0, 38 }, { PMC_EV_MIPS74K_MISPREDICTED_BRANCH_LIKELY_INSNS, MIPS_CTR_1, 38 }, { PMC_EV_MIPS74K_COND_BRANCH_INSNS, MIPS_CTR_0, 39 }, { PMC_EV_MIPS74K_MISPREDICTED_BRANCH_INSNS, MIPS_CTR_1, 39 }, { PMC_EV_MIPS74K_INTEGER_INSNS, MIPS_CTR_0, 40 }, { PMC_EV_MIPS74K_FPU_INSNS, MIPS_CTR_1, 40 }, { PMC_EV_MIPS74K_LOAD_INSNS, MIPS_CTR_0, 41 }, { PMC_EV_MIPS74K_STORE_INSNS, MIPS_CTR_1, 41 }, { PMC_EV_MIPS74K_J_JAL_INSNS, MIPS_CTR_0, 42 }, { PMC_EV_MIPS74K_MIPS16_INSNS, MIPS_CTR_1, 42 }, { PMC_EV_MIPS74K_NOP_INSNS, MIPS_CTR_0, 43 }, { PMC_EV_MIPS74K_NT_MUL_DIV_INSNS, MIPS_CTR_1, 43 }, { PMC_EV_MIPS74K_DSP_INSNS, MIPS_CTR_0, 44 }, { PMC_EV_MIPS74K_ALU_DSP_SATURATION_INSNS, MIPS_CTR_1, 44 }, { PMC_EV_MIPS74K_DSP_BRANCH_INSNS, MIPS_CTR_0, 45 }, { PMC_EV_MIPS74K_MDU_DSP_SATURATION_INSNS, MIPS_CTR_1, 45 }, { PMC_EV_MIPS74K_UNCACHED_LOAD_INSNS, MIPS_CTR_0, 46 }, { PMC_EV_MIPS74K_UNCACHED_STORE_INSNS, MIPS_CTR_1, 46 }, { PMC_EV_MIPS74K_EJTAG_INSN_TRIGGERS, MIPS_CTR_0, 49 }, { PMC_EV_MIPS74K_CP1_BRANCH_MISPREDICTIONS, MIPS_CTR_0, 50 }, { PMC_EV_MIPS74K_SC_INSNS, MIPS_CTR_0, 51 }, { PMC_EV_MIPS74K_FAILED_SC_INSNS, MIPS_CTR_1, 51 }, { PMC_EV_MIPS74K_PREFETCH_INSNS, MIPS_CTR_0, 52 }, { PMC_EV_MIPS74K_CACHE_HIT_PREFETCH_INSNS, MIPS_CTR_1, 52 }, { PMC_EV_MIPS74K_NO_INSN_CYCLES, MIPS_CTR_0, 53 }, { PMC_EV_MIPS74K_LOAD_MISS_INSNS, MIPS_CTR_1, 53 }, { PMC_EV_MIPS74K_ONE_INSN_CYCLES, MIPS_CTR_0, 54 }, { PMC_EV_MIPS74K_TWO_INSNS_CYCLES, MIPS_CTR_1, 54 }, { PMC_EV_MIPS74K_GFIFO_BLOCKED_CYCLES, MIPS_CTR_0, 55 }, { PMC_EV_MIPS74K_CP1_CP2_STORE_INSNS, MIPS_CTR_1, 55 }, { PMC_EV_MIPS74K_MISPREDICTION_STALLS, MIPS_CTR_0, 56 }, { PMC_EV_MIPS74K_MISPREDICTED_BRANCH_INSNS_CYCLES, MIPS_CTR_0, 57 }, { PMC_EV_MIPS74K_EXCEPTIONS_TAKEN, MIPS_CTR_0, 58 }, { PMC_EV_MIPS74K_GRADUATION_REPLAYS, MIPS_CTR_1, 58 }, { PMC_EV_MIPS74K_COREEXTEND_EVENTS, MIPS_CTR_0, 59 }, { PMC_EV_MIPS74K_ISPRAM_EVENTS, MIPS_CTR_0, 62 }, { PMC_EV_MIPS74K_DSPRAM_EVENTS, MIPS_CTR_1, 62 }, { PMC_EV_MIPS74K_L2_CACHE_SINGLE_BIT_ERRORS, MIPS_CTR_0, 63 }, { PMC_EV_MIPS74K_SYSTEM_EVENT_0, MIPS_CTR_0, 64 }, { PMC_EV_MIPS74K_SYSTEM_EVENT_1, MIPS_CTR_1, 64 }, { PMC_EV_MIPS74K_SYSTEM_EVENT_2, MIPS_CTR_0, 65 }, { PMC_EV_MIPS74K_SYSTEM_EVENT_3, MIPS_CTR_1, 65 }, { PMC_EV_MIPS74K_SYSTEM_EVENT_4, MIPS_CTR_0, 66 }, { PMC_EV_MIPS74K_SYSTEM_EVENT_5, MIPS_CTR_1, 66 }, { PMC_EV_MIPS74K_SYSTEM_EVENT_6, MIPS_CTR_0, 67 }, { PMC_EV_MIPS74K_SYSTEM_EVENT_7, MIPS_CTR_1, 67 }, { PMC_EV_MIPS74K_OCP_ALL_REQUESTS, MIPS_CTR_0, 68 }, { PMC_EV_MIPS74K_OCP_ALL_CACHEABLE_REQUESTS, MIPS_CTR_1, 68 }, { PMC_EV_MIPS74K_OCP_READ_REQUESTS, MIPS_CTR_0, 69 }, { PMC_EV_MIPS74K_OCP_READ_CACHEABLE_REQUESTS, MIPS_CTR_1, 69 }, { PMC_EV_MIPS74K_OCP_WRITE_REQUESTS, MIPS_CTR_0, 70 }, { PMC_EV_MIPS74K_OCP_WRITE_CACHEABLE_REQUESTS, MIPS_CTR_1, 70 }, { PMC_EV_MIPS74K_FSB_LESS_25_FULL, MIPS_CTR_0, 74 }, { PMC_EV_MIPS74K_FSB_25_50_FULL, MIPS_CTR_1, 74 }, { PMC_EV_MIPS74K_LDQ_LESS_25_FULL, MIPS_CTR_0, 75 }, { PMC_EV_MIPS74K_LDQ_25_50_FULL, MIPS_CTR_1, 75 }, { PMC_EV_MIPS74K_WBB_LESS_25_FULL, MIPS_CTR_0, 76 }, { PMC_EV_MIPS74K_WBB_25_50_FULL, MIPS_CTR_1, 76 }, }; const int mips_event_codes_size = sizeof(mips_event_codes) / sizeof(mips_event_codes[0]); struct mips_pmc_spec mips_pmc_spec = { .ps_cpuclass = PMC_CLASS_MIPS74K, .ps_cputype = PMC_CPU_MIPS_74K, .ps_capabilities = MIPS74K_PMC_CAPS, .ps_counter_width = 32 }; /* * Performance Count Register N */ uint64_t mips_pmcn_read(unsigned int pmc) { uint32_t reg = 0; KASSERT(pmc < mips_npmcs, ("[mips74k,%d] illegal PMC number %d", __LINE__, pmc)); /* The counter value is the next value after the control register. */ switch (pmc) { case 0: reg = mips_rd_perfcnt1(); break; case 1: reg = mips_rd_perfcnt3(); break; default: return 0; } return (reg); } uint64_t mips_pmcn_write(unsigned int pmc, uint64_t reg) { KASSERT(pmc < mips_npmcs, ("[mips74k,%d] illegal PMC number %d", __LINE__, pmc)); switch (pmc) { case 0: mips_wr_perfcnt1(reg); break; case 1: mips_wr_perfcnt3(reg); break; default: return 0; } return (reg); } uint32_t mips_get_perfctl(int cpu, int ri, uint32_t event, uint32_t caps) { uint32_t config; config = event; config <<= MIPS74K_PMC_SELECT; if (caps & PMC_CAP_SYSTEM) config |= (MIPS74K_PMC_SUPER_ENABLE | MIPS74K_PMC_KERNEL_ENABLE); if (caps & PMC_CAP_USER) config |= MIPS74K_PMC_USER_ENABLE; if ((caps & (PMC_CAP_USER | PMC_CAP_SYSTEM)) == 0) config |= MIPS74K_PMC_ENABLE; if (caps & PMC_CAP_INTERRUPT) config |= MIPS74K_PMC_INTERRUPT_ENABLE; PMCDBG(MDP,ALL,2,"mips74k-get_perfctl ri=%d -> config=0x%x", ri, config); return (config); }