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609 lines
17 KiB
609 lines
17 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Performance counter support for POWER10 processors. |
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* |
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* Copyright 2020 Madhavan Srinivasan, IBM Corporation. |
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* Copyright 2020 Athira Rajeev, IBM Corporation. |
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*/ |
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#define pr_fmt(fmt) "power10-pmu: " fmt |
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#include "isa207-common.h" |
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|
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/* |
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* Raw event encoding for Power10: |
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* |
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* 60 56 52 48 44 40 36 32 |
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* | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | |
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* | | [ ] [ src_match ] [ src_mask ] | [ ] [ l2l3_sel ] [ thresh_ctl ] |
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* | | | | | | |
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* | | *- IFM (Linux) | | thresh start/stop -* |
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* | *- BHRB (Linux) | src_sel |
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* *- EBB (Linux) *invert_bit |
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* |
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* 28 24 20 16 12 8 4 0 |
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* | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | |
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* [ ] [ sample ] [ ] [ ] [ pmc ] [unit ] [ ] | m [ pmcxsel ] |
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* | | | | | | | |
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* | | | | | | *- mark |
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* | | | *- L1/L2/L3 cache_sel | |*-radix_scope_qual |
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* | | sdar_mode | |
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* | *- sampling mode for marked events *- combine |
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* | |
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* *- thresh_sel |
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* |
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* Below uses IBM bit numbering. |
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* |
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* MMCR1[x:y] = unit (PMCxUNIT) |
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* MMCR1[24] = pmc1combine[0] |
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* MMCR1[25] = pmc1combine[1] |
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* MMCR1[26] = pmc2combine[0] |
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* MMCR1[27] = pmc2combine[1] |
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* MMCR1[28] = pmc3combine[0] |
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* MMCR1[29] = pmc3combine[1] |
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* MMCR1[30] = pmc4combine[0] |
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* MMCR1[31] = pmc4combine[1] |
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* |
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* if pmc == 3 and unit == 0 and pmcxsel[0:6] == 0b0101011 |
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* MMCR1[20:27] = thresh_ctl |
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* else if pmc == 4 and unit == 0xf and pmcxsel[0:6] == 0b0101001 |
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* MMCR1[20:27] = thresh_ctl |
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* else |
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* MMCRA[48:55] = thresh_ctl (THRESH START/END) |
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* |
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* if thresh_sel: |
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* MMCRA[45:47] = thresh_sel |
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* |
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* if l2l3_sel: |
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* MMCR2[56:60] = l2l3_sel[0:4] |
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* |
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* MMCR1[16] = cache_sel[0] |
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* MMCR1[17] = cache_sel[1] |
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* MMCR1[18] = radix_scope_qual |
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* |
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* if mark: |
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* MMCRA[63] = 1 (SAMPLE_ENABLE) |
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* MMCRA[57:59] = sample[0:2] (RAND_SAMP_ELIG) |
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* MMCRA[61:62] = sample[3:4] (RAND_SAMP_MODE) |
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* |
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* if EBB and BHRB: |
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* MMCRA[32:33] = IFM |
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* |
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* MMCRA[SDAR_MODE] = sdar_mode[0:1] |
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*/ |
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/* |
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* Some power10 event codes. |
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*/ |
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#define EVENT(_name, _code) enum{_name = _code} |
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#include "power10-events-list.h" |
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#undef EVENT |
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/* MMCRA IFM bits - POWER10 */ |
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#define POWER10_MMCRA_IFM1 0x0000000040000000UL |
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#define POWER10_MMCRA_IFM2 0x0000000080000000UL |
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#define POWER10_MMCRA_IFM3 0x00000000C0000000UL |
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#define POWER10_MMCRA_BHRB_MASK 0x00000000C0000000UL |
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extern u64 PERF_REG_EXTENDED_MASK; |
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/* Table of alternatives, sorted by column 0 */ |
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static const unsigned int power10_event_alternatives[][MAX_ALT] = { |
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{ PM_RUN_CYC_ALT, PM_RUN_CYC }, |
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{ PM_RUN_INST_CMPL_ALT, PM_RUN_INST_CMPL }, |
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}; |
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static int power10_get_alternatives(u64 event, unsigned int flags, u64 alt[]) |
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{ |
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int num_alt = 0; |
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num_alt = isa207_get_alternatives(event, alt, |
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ARRAY_SIZE(power10_event_alternatives), flags, |
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power10_event_alternatives); |
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return num_alt; |
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} |
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static int power10_check_attr_config(struct perf_event *ev) |
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{ |
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u64 val; |
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u64 event = ev->attr.config; |
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val = (event >> EVENT_SAMPLE_SHIFT) & EVENT_SAMPLE_MASK; |
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if (val == 0x10 || isa3XX_check_attr_config(ev)) |
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return -EINVAL; |
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return 0; |
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} |
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GENERIC_EVENT_ATTR(cpu-cycles, PM_RUN_CYC); |
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GENERIC_EVENT_ATTR(instructions, PM_RUN_INST_CMPL); |
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GENERIC_EVENT_ATTR(branch-instructions, PM_BR_CMPL); |
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GENERIC_EVENT_ATTR(branch-misses, PM_BR_MPRED_CMPL); |
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GENERIC_EVENT_ATTR(cache-references, PM_LD_REF_L1); |
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GENERIC_EVENT_ATTR(cache-misses, PM_LD_MISS_L1); |
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GENERIC_EVENT_ATTR(mem-loads, MEM_LOADS); |
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GENERIC_EVENT_ATTR(mem-stores, MEM_STORES); |
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GENERIC_EVENT_ATTR(branch-instructions, PM_BR_FIN); |
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GENERIC_EVENT_ATTR(branch-misses, PM_MPRED_BR_FIN); |
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GENERIC_EVENT_ATTR(cache-misses, PM_LD_DEMAND_MISS_L1_FIN); |
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CACHE_EVENT_ATTR(L1-dcache-load-misses, PM_LD_MISS_L1); |
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CACHE_EVENT_ATTR(L1-dcache-loads, PM_LD_REF_L1); |
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CACHE_EVENT_ATTR(L1-dcache-prefetches, PM_LD_PREFETCH_CACHE_LINE_MISS); |
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CACHE_EVENT_ATTR(L1-dcache-store-misses, PM_ST_MISS_L1); |
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CACHE_EVENT_ATTR(L1-icache-load-misses, PM_L1_ICACHE_MISS); |
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CACHE_EVENT_ATTR(L1-icache-loads, PM_INST_FROM_L1); |
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CACHE_EVENT_ATTR(L1-icache-prefetches, PM_IC_PREF_REQ); |
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CACHE_EVENT_ATTR(LLC-load-misses, PM_DATA_FROM_L3MISS); |
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CACHE_EVENT_ATTR(LLC-loads, PM_DATA_FROM_L3); |
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CACHE_EVENT_ATTR(LLC-prefetches, PM_L3_PF_MISS_L3); |
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CACHE_EVENT_ATTR(LLC-store-misses, PM_L2_ST_MISS); |
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CACHE_EVENT_ATTR(LLC-stores, PM_L2_ST); |
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CACHE_EVENT_ATTR(branch-load-misses, PM_BR_MPRED_CMPL); |
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CACHE_EVENT_ATTR(branch-loads, PM_BR_CMPL); |
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CACHE_EVENT_ATTR(dTLB-load-misses, PM_DTLB_MISS); |
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CACHE_EVENT_ATTR(iTLB-load-misses, PM_ITLB_MISS); |
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static struct attribute *power10_events_attr_dd1[] = { |
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GENERIC_EVENT_PTR(PM_RUN_CYC), |
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GENERIC_EVENT_PTR(PM_RUN_INST_CMPL), |
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GENERIC_EVENT_PTR(PM_BR_CMPL), |
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GENERIC_EVENT_PTR(PM_BR_MPRED_CMPL), |
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GENERIC_EVENT_PTR(PM_LD_REF_L1), |
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GENERIC_EVENT_PTR(PM_LD_MISS_L1), |
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GENERIC_EVENT_PTR(MEM_LOADS), |
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GENERIC_EVENT_PTR(MEM_STORES), |
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CACHE_EVENT_PTR(PM_LD_MISS_L1), |
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CACHE_EVENT_PTR(PM_LD_REF_L1), |
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CACHE_EVENT_PTR(PM_LD_PREFETCH_CACHE_LINE_MISS), |
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CACHE_EVENT_PTR(PM_ST_MISS_L1), |
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CACHE_EVENT_PTR(PM_L1_ICACHE_MISS), |
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CACHE_EVENT_PTR(PM_INST_FROM_L1), |
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CACHE_EVENT_PTR(PM_IC_PREF_REQ), |
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CACHE_EVENT_PTR(PM_DATA_FROM_L3MISS), |
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CACHE_EVENT_PTR(PM_DATA_FROM_L3), |
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CACHE_EVENT_PTR(PM_BR_MPRED_CMPL), |
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CACHE_EVENT_PTR(PM_BR_CMPL), |
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CACHE_EVENT_PTR(PM_DTLB_MISS), |
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CACHE_EVENT_PTR(PM_ITLB_MISS), |
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NULL |
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}; |
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static struct attribute *power10_events_attr[] = { |
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GENERIC_EVENT_PTR(PM_RUN_CYC), |
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GENERIC_EVENT_PTR(PM_RUN_INST_CMPL), |
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GENERIC_EVENT_PTR(PM_BR_FIN), |
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GENERIC_EVENT_PTR(PM_MPRED_BR_FIN), |
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GENERIC_EVENT_PTR(PM_LD_REF_L1), |
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GENERIC_EVENT_PTR(PM_LD_DEMAND_MISS_L1_FIN), |
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GENERIC_EVENT_PTR(MEM_LOADS), |
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GENERIC_EVENT_PTR(MEM_STORES), |
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CACHE_EVENT_PTR(PM_LD_MISS_L1), |
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CACHE_EVENT_PTR(PM_LD_REF_L1), |
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CACHE_EVENT_PTR(PM_LD_PREFETCH_CACHE_LINE_MISS), |
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CACHE_EVENT_PTR(PM_ST_MISS_L1), |
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CACHE_EVENT_PTR(PM_L1_ICACHE_MISS), |
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CACHE_EVENT_PTR(PM_INST_FROM_L1), |
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CACHE_EVENT_PTR(PM_IC_PREF_REQ), |
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CACHE_EVENT_PTR(PM_DATA_FROM_L3MISS), |
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CACHE_EVENT_PTR(PM_DATA_FROM_L3), |
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CACHE_EVENT_PTR(PM_L3_PF_MISS_L3), |
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CACHE_EVENT_PTR(PM_L2_ST_MISS), |
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CACHE_EVENT_PTR(PM_L2_ST), |
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CACHE_EVENT_PTR(PM_BR_MPRED_CMPL), |
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CACHE_EVENT_PTR(PM_BR_CMPL), |
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CACHE_EVENT_PTR(PM_DTLB_MISS), |
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CACHE_EVENT_PTR(PM_ITLB_MISS), |
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NULL |
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}; |
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static struct attribute_group power10_pmu_events_group_dd1 = { |
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.name = "events", |
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.attrs = power10_events_attr_dd1, |
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}; |
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static struct attribute_group power10_pmu_events_group = { |
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.name = "events", |
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.attrs = power10_events_attr, |
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}; |
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PMU_FORMAT_ATTR(event, "config:0-59"); |
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PMU_FORMAT_ATTR(pmcxsel, "config:0-7"); |
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PMU_FORMAT_ATTR(mark, "config:8"); |
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PMU_FORMAT_ATTR(combine, "config:10-11"); |
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PMU_FORMAT_ATTR(unit, "config:12-15"); |
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PMU_FORMAT_ATTR(pmc, "config:16-19"); |
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PMU_FORMAT_ATTR(cache_sel, "config:20-21"); |
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PMU_FORMAT_ATTR(sdar_mode, "config:22-23"); |
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PMU_FORMAT_ATTR(sample_mode, "config:24-28"); |
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PMU_FORMAT_ATTR(thresh_sel, "config:29-31"); |
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PMU_FORMAT_ATTR(thresh_stop, "config:32-35"); |
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PMU_FORMAT_ATTR(thresh_start, "config:36-39"); |
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PMU_FORMAT_ATTR(l2l3_sel, "config:40-44"); |
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PMU_FORMAT_ATTR(src_sel, "config:45-46"); |
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PMU_FORMAT_ATTR(invert_bit, "config:47"); |
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PMU_FORMAT_ATTR(src_mask, "config:48-53"); |
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PMU_FORMAT_ATTR(src_match, "config:54-59"); |
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PMU_FORMAT_ATTR(radix_scope, "config:9"); |
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PMU_FORMAT_ATTR(thresh_cmp, "config1:0-17"); |
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static struct attribute *power10_pmu_format_attr[] = { |
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&format_attr_event.attr, |
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&format_attr_pmcxsel.attr, |
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&format_attr_mark.attr, |
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&format_attr_combine.attr, |
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&format_attr_unit.attr, |
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&format_attr_pmc.attr, |
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&format_attr_cache_sel.attr, |
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&format_attr_sdar_mode.attr, |
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&format_attr_sample_mode.attr, |
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&format_attr_thresh_sel.attr, |
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&format_attr_thresh_stop.attr, |
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&format_attr_thresh_start.attr, |
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&format_attr_l2l3_sel.attr, |
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&format_attr_src_sel.attr, |
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&format_attr_invert_bit.attr, |
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&format_attr_src_mask.attr, |
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&format_attr_src_match.attr, |
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&format_attr_radix_scope.attr, |
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&format_attr_thresh_cmp.attr, |
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NULL, |
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}; |
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static struct attribute_group power10_pmu_format_group = { |
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.name = "format", |
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.attrs = power10_pmu_format_attr, |
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}; |
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static const struct attribute_group *power10_pmu_attr_groups_dd1[] = { |
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&power10_pmu_format_group, |
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&power10_pmu_events_group_dd1, |
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NULL, |
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}; |
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static const struct attribute_group *power10_pmu_attr_groups[] = { |
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&power10_pmu_format_group, |
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&power10_pmu_events_group, |
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NULL, |
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}; |
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static int power10_generic_events_dd1[] = { |
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[PERF_COUNT_HW_CPU_CYCLES] = PM_RUN_CYC, |
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[PERF_COUNT_HW_INSTRUCTIONS] = PM_RUN_INST_CMPL, |
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[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = PM_BR_CMPL, |
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[PERF_COUNT_HW_BRANCH_MISSES] = PM_BR_MPRED_CMPL, |
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[PERF_COUNT_HW_CACHE_REFERENCES] = PM_LD_REF_L1, |
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[PERF_COUNT_HW_CACHE_MISSES] = PM_LD_MISS_L1, |
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}; |
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static int power10_generic_events[] = { |
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[PERF_COUNT_HW_CPU_CYCLES] = PM_RUN_CYC, |
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[PERF_COUNT_HW_INSTRUCTIONS] = PM_RUN_INST_CMPL, |
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[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = PM_BR_FIN, |
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[PERF_COUNT_HW_BRANCH_MISSES] = PM_MPRED_BR_FIN, |
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[PERF_COUNT_HW_CACHE_REFERENCES] = PM_LD_REF_L1, |
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[PERF_COUNT_HW_CACHE_MISSES] = PM_LD_DEMAND_MISS_L1_FIN, |
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}; |
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static u64 power10_bhrb_filter_map(u64 branch_sample_type) |
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{ |
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u64 pmu_bhrb_filter = 0; |
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/* BHRB and regular PMU events share the same privilege state |
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* filter configuration. BHRB is always recorded along with a |
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* regular PMU event. As the privilege state filter is handled |
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* in the basic PMC configuration of the accompanying regular |
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* PMU event, we ignore any separate BHRB specific request. |
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*/ |
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/* No branch filter requested */ |
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if (branch_sample_type & PERF_SAMPLE_BRANCH_ANY) |
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return pmu_bhrb_filter; |
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/* Invalid branch filter options - HW does not support */ |
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if (branch_sample_type & PERF_SAMPLE_BRANCH_ANY_RETURN) |
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return -1; |
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if (branch_sample_type & PERF_SAMPLE_BRANCH_IND_CALL) { |
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pmu_bhrb_filter |= POWER10_MMCRA_IFM2; |
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return pmu_bhrb_filter; |
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} |
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if (branch_sample_type & PERF_SAMPLE_BRANCH_COND) { |
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pmu_bhrb_filter |= POWER10_MMCRA_IFM3; |
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return pmu_bhrb_filter; |
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} |
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if (branch_sample_type & PERF_SAMPLE_BRANCH_CALL) |
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return -1; |
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if (branch_sample_type & PERF_SAMPLE_BRANCH_ANY_CALL) { |
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pmu_bhrb_filter |= POWER10_MMCRA_IFM1; |
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return pmu_bhrb_filter; |
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} |
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/* Every thing else is unsupported */ |
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return -1; |
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} |
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static void power10_config_bhrb(u64 pmu_bhrb_filter) |
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{ |
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pmu_bhrb_filter &= POWER10_MMCRA_BHRB_MASK; |
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/* Enable BHRB filter in PMU */ |
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mtspr(SPRN_MMCRA, (mfspr(SPRN_MMCRA) | pmu_bhrb_filter)); |
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} |
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#define C(x) PERF_COUNT_HW_CACHE_##x |
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/* |
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* Table of generalized cache-related events. |
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* 0 means not supported, -1 means nonsensical, other values |
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* are event codes. |
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*/ |
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static u64 power10_cache_events_dd1[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { |
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[C(L1D)] = { |
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[C(OP_READ)] = { |
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[C(RESULT_ACCESS)] = PM_LD_REF_L1, |
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[C(RESULT_MISS)] = PM_LD_MISS_L1, |
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}, |
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[C(OP_WRITE)] = { |
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[C(RESULT_ACCESS)] = 0, |
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[C(RESULT_MISS)] = PM_ST_MISS_L1, |
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}, |
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[C(OP_PREFETCH)] = { |
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[C(RESULT_ACCESS)] = PM_LD_PREFETCH_CACHE_LINE_MISS, |
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[C(RESULT_MISS)] = 0, |
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}, |
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}, |
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[C(L1I)] = { |
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[C(OP_READ)] = { |
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[C(RESULT_ACCESS)] = PM_INST_FROM_L1, |
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[C(RESULT_MISS)] = PM_L1_ICACHE_MISS, |
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}, |
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[C(OP_WRITE)] = { |
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[C(RESULT_ACCESS)] = PM_INST_FROM_L1MISS, |
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[C(RESULT_MISS)] = -1, |
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}, |
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[C(OP_PREFETCH)] = { |
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[C(RESULT_ACCESS)] = PM_IC_PREF_REQ, |
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[C(RESULT_MISS)] = 0, |
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}, |
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}, |
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[C(LL)] = { |
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[C(OP_READ)] = { |
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[C(RESULT_ACCESS)] = PM_DATA_FROM_L3, |
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[C(RESULT_MISS)] = PM_DATA_FROM_L3MISS, |
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}, |
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[C(OP_WRITE)] = { |
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[C(RESULT_ACCESS)] = -1, |
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[C(RESULT_MISS)] = -1, |
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}, |
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[C(OP_PREFETCH)] = { |
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[C(RESULT_ACCESS)] = -1, |
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[C(RESULT_MISS)] = 0, |
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}, |
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}, |
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[C(DTLB)] = { |
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[C(OP_READ)] = { |
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[C(RESULT_ACCESS)] = 0, |
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[C(RESULT_MISS)] = PM_DTLB_MISS, |
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}, |
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[C(OP_WRITE)] = { |
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[C(RESULT_ACCESS)] = -1, |
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[C(RESULT_MISS)] = -1, |
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}, |
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[C(OP_PREFETCH)] = { |
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[C(RESULT_ACCESS)] = -1, |
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[C(RESULT_MISS)] = -1, |
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}, |
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}, |
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[C(ITLB)] = { |
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[C(OP_READ)] = { |
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[C(RESULT_ACCESS)] = 0, |
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[C(RESULT_MISS)] = PM_ITLB_MISS, |
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}, |
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[C(OP_WRITE)] = { |
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[C(RESULT_ACCESS)] = -1, |
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[C(RESULT_MISS)] = -1, |
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}, |
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[C(OP_PREFETCH)] = { |
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[C(RESULT_ACCESS)] = -1, |
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[C(RESULT_MISS)] = -1, |
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}, |
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}, |
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[C(BPU)] = { |
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[C(OP_READ)] = { |
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[C(RESULT_ACCESS)] = PM_BR_CMPL, |
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[C(RESULT_MISS)] = PM_BR_MPRED_CMPL, |
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}, |
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[C(OP_WRITE)] = { |
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[C(RESULT_ACCESS)] = -1, |
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[C(RESULT_MISS)] = -1, |
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}, |
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[C(OP_PREFETCH)] = { |
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[C(RESULT_ACCESS)] = -1, |
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[C(RESULT_MISS)] = -1, |
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}, |
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}, |
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[C(NODE)] = { |
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[C(OP_READ)] = { |
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[C(RESULT_ACCESS)] = -1, |
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[C(RESULT_MISS)] = -1, |
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}, |
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[C(OP_WRITE)] = { |
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[C(RESULT_ACCESS)] = -1, |
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[C(RESULT_MISS)] = -1, |
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}, |
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[C(OP_PREFETCH)] = { |
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[C(RESULT_ACCESS)] = -1, |
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[C(RESULT_MISS)] = -1, |
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}, |
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}, |
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}; |
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static u64 power10_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { |
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[C(L1D)] = { |
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[C(OP_READ)] = { |
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[C(RESULT_ACCESS)] = PM_LD_REF_L1, |
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[C(RESULT_MISS)] = PM_LD_MISS_L1, |
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}, |
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[C(OP_WRITE)] = { |
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[C(RESULT_ACCESS)] = 0, |
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[C(RESULT_MISS)] = PM_ST_MISS_L1, |
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}, |
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[C(OP_PREFETCH)] = { |
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[C(RESULT_ACCESS)] = PM_LD_PREFETCH_CACHE_LINE_MISS, |
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[C(RESULT_MISS)] = 0, |
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}, |
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}, |
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[C(L1I)] = { |
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[C(OP_READ)] = { |
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[C(RESULT_ACCESS)] = PM_INST_FROM_L1, |
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[C(RESULT_MISS)] = PM_L1_ICACHE_MISS, |
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}, |
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[C(OP_WRITE)] = { |
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[C(RESULT_ACCESS)] = PM_INST_FROM_L1MISS, |
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[C(RESULT_MISS)] = -1, |
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}, |
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[C(OP_PREFETCH)] = { |
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[C(RESULT_ACCESS)] = PM_IC_PREF_REQ, |
|
[C(RESULT_MISS)] = 0, |
|
}, |
|
}, |
|
[C(LL)] = { |
|
[C(OP_READ)] = { |
|
[C(RESULT_ACCESS)] = PM_DATA_FROM_L3, |
|
[C(RESULT_MISS)] = PM_DATA_FROM_L3MISS, |
|
}, |
|
[C(OP_WRITE)] = { |
|
[C(RESULT_ACCESS)] = PM_L2_ST, |
|
[C(RESULT_MISS)] = PM_L2_ST_MISS, |
|
}, |
|
[C(OP_PREFETCH)] = { |
|
[C(RESULT_ACCESS)] = PM_L3_PF_MISS_L3, |
|
[C(RESULT_MISS)] = 0, |
|
}, |
|
}, |
|
[C(DTLB)] = { |
|
[C(OP_READ)] = { |
|
[C(RESULT_ACCESS)] = 0, |
|
[C(RESULT_MISS)] = PM_DTLB_MISS, |
|
}, |
|
[C(OP_WRITE)] = { |
|
[C(RESULT_ACCESS)] = -1, |
|
[C(RESULT_MISS)] = -1, |
|
}, |
|
[C(OP_PREFETCH)] = { |
|
[C(RESULT_ACCESS)] = -1, |
|
[C(RESULT_MISS)] = -1, |
|
}, |
|
}, |
|
[C(ITLB)] = { |
|
[C(OP_READ)] = { |
|
[C(RESULT_ACCESS)] = 0, |
|
[C(RESULT_MISS)] = PM_ITLB_MISS, |
|
}, |
|
[C(OP_WRITE)] = { |
|
[C(RESULT_ACCESS)] = -1, |
|
[C(RESULT_MISS)] = -1, |
|
}, |
|
[C(OP_PREFETCH)] = { |
|
[C(RESULT_ACCESS)] = -1, |
|
[C(RESULT_MISS)] = -1, |
|
}, |
|
}, |
|
[C(BPU)] = { |
|
[C(OP_READ)] = { |
|
[C(RESULT_ACCESS)] = PM_BR_CMPL, |
|
[C(RESULT_MISS)] = PM_BR_MPRED_CMPL, |
|
}, |
|
[C(OP_WRITE)] = { |
|
[C(RESULT_ACCESS)] = -1, |
|
[C(RESULT_MISS)] = -1, |
|
}, |
|
[C(OP_PREFETCH)] = { |
|
[C(RESULT_ACCESS)] = -1, |
|
[C(RESULT_MISS)] = -1, |
|
}, |
|
}, |
|
[C(NODE)] = { |
|
[C(OP_READ)] = { |
|
[C(RESULT_ACCESS)] = -1, |
|
[C(RESULT_MISS)] = -1, |
|
}, |
|
[C(OP_WRITE)] = { |
|
[C(RESULT_ACCESS)] = -1, |
|
[C(RESULT_MISS)] = -1, |
|
}, |
|
[C(OP_PREFETCH)] = { |
|
[C(RESULT_ACCESS)] = -1, |
|
[C(RESULT_MISS)] = -1, |
|
}, |
|
}, |
|
}; |
|
|
|
#undef C |
|
|
|
static struct power_pmu power10_pmu = { |
|
.name = "POWER10", |
|
.n_counter = MAX_PMU_COUNTERS, |
|
.add_fields = ISA207_ADD_FIELDS, |
|
.test_adder = ISA207_TEST_ADDER, |
|
.group_constraint_mask = CNST_CACHE_PMC4_MASK, |
|
.group_constraint_val = CNST_CACHE_PMC4_VAL, |
|
.compute_mmcr = isa207_compute_mmcr, |
|
.config_bhrb = power10_config_bhrb, |
|
.bhrb_filter_map = power10_bhrb_filter_map, |
|
.get_constraint = isa207_get_constraint, |
|
.get_alternatives = power10_get_alternatives, |
|
.get_mem_data_src = isa207_get_mem_data_src, |
|
.get_mem_weight = isa207_get_mem_weight, |
|
.disable_pmc = isa207_disable_pmc, |
|
.flags = PPMU_HAS_SIER | PPMU_ARCH_207S | |
|
PPMU_ARCH_31 | PPMU_HAS_ATTR_CONFIG1, |
|
.n_generic = ARRAY_SIZE(power10_generic_events), |
|
.generic_events = power10_generic_events, |
|
.cache_events = &power10_cache_events, |
|
.attr_groups = power10_pmu_attr_groups, |
|
.bhrb_nr = 32, |
|
.capabilities = PERF_PMU_CAP_EXTENDED_REGS, |
|
.check_attr_config = power10_check_attr_config, |
|
}; |
|
|
|
int init_power10_pmu(void) |
|
{ |
|
unsigned int pvr; |
|
int rc; |
|
|
|
/* Comes from cpu_specs[] */ |
|
if (!cur_cpu_spec->oprofile_cpu_type || |
|
strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power10")) |
|
return -ENODEV; |
|
|
|
pvr = mfspr(SPRN_PVR); |
|
/* Add the ppmu flag for power10 DD1 */ |
|
if ((PVR_CFG(pvr) == 1)) |
|
power10_pmu.flags |= PPMU_P10_DD1; |
|
|
|
/* Set the PERF_REG_EXTENDED_MASK here */ |
|
PERF_REG_EXTENDED_MASK = PERF_REG_PMU_MASK_31; |
|
|
|
if ((PVR_CFG(pvr) == 1)) { |
|
power10_pmu.generic_events = power10_generic_events_dd1; |
|
power10_pmu.attr_groups = power10_pmu_attr_groups_dd1; |
|
power10_pmu.cache_events = &power10_cache_events_dd1; |
|
} |
|
|
|
rc = register_power_pmu(&power10_pmu); |
|
if (rc) |
|
return rc; |
|
|
|
/* Tell userspace that EBB is supported */ |
|
cur_cpu_spec->cpu_user_features2 |= PPC_FEATURE2_EBB; |
|
|
|
return 0; |
|
}
|
|
|