diff options
Diffstat (limited to 'tools/perf/util/arm-spe.c')
| -rw-r--r-- | tools/perf/util/arm-spe.c | 86 |
1 files changed, 74 insertions, 12 deletions
diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c index dbf13f47879c..12761c39788f 100644 --- a/tools/perf/util/arm-spe.c +++ b/tools/perf/util/arm-spe.c @@ -103,6 +103,18 @@ struct arm_spe_queue { u32 flags; }; +struct data_source_handle { + const struct midr_range *midr_ranges; + void (*ds_synth)(const struct arm_spe_record *record, + union perf_mem_data_src *data_src); +}; + +#define DS(range, func) \ + { \ + .midr_ranges = range, \ + .ds_synth = arm_spe__synth_##func, \ + } + static void arm_spe_dump(struct arm_spe *spe __maybe_unused, unsigned char *buf, size_t len) { @@ -443,6 +455,11 @@ static const struct midr_range common_ds_encoding_cpus[] = { {}, }; +static const struct midr_range ampereone_ds_encoding_cpus[] = { + MIDR_ALL_VERSIONS(MIDR_AMPERE1A), + {}, +}; + static void arm_spe__sample_flags(struct arm_spe_queue *speq) { const struct arm_spe_record *record = &speq->decoder->record; @@ -532,6 +549,49 @@ static void arm_spe__synth_data_source_common(const struct arm_spe_record *recor } } +/* + * Source is IMPDEF. Here we convert the source code used on AmpereOne cores + * to the common (Neoverse, Cortex) to avoid duplicating the decoding code. + */ +static void arm_spe__synth_data_source_ampereone(const struct arm_spe_record *record, + union perf_mem_data_src *data_src) +{ + struct arm_spe_record common_record; + + switch (record->source) { + case ARM_SPE_AMPEREONE_LOCAL_CHIP_CACHE_OR_DEVICE: + common_record.source = ARM_SPE_COMMON_DS_PEER_CORE; + break; + case ARM_SPE_AMPEREONE_SLC: + common_record.source = ARM_SPE_COMMON_DS_SYS_CACHE; + break; + case ARM_SPE_AMPEREONE_REMOTE_CHIP_CACHE: + common_record.source = ARM_SPE_COMMON_DS_REMOTE; + break; + case ARM_SPE_AMPEREONE_DDR: + common_record.source = ARM_SPE_COMMON_DS_DRAM; + break; + case ARM_SPE_AMPEREONE_L1D: + common_record.source = ARM_SPE_COMMON_DS_L1D; + break; + case ARM_SPE_AMPEREONE_L2D: + common_record.source = ARM_SPE_COMMON_DS_L2; + break; + default: + pr_warning_once("AmpereOne: Unknown data source (0x%x)\n", + record->source); + return; + } + + common_record.op = record->op; + arm_spe__synth_data_source_common(&common_record, data_src); +} + +static const struct data_source_handle data_source_handles[] = { + DS(common_ds_encoding_cpus, data_source_common), + DS(ampereone_ds_encoding_cpus, data_source_ampereone), +}; + static void arm_spe__synth_memory_level(const struct arm_spe_record *record, union perf_mem_data_src *data_src) { @@ -555,12 +615,14 @@ static void arm_spe__synth_memory_level(const struct arm_spe_record *record, data_src->mem_lvl |= PERF_MEM_LVL_REM_CCE1; } -static bool arm_spe__is_common_ds_encoding(struct arm_spe_queue *speq) +static bool arm_spe__synth_ds(struct arm_spe_queue *speq, + const struct arm_spe_record *record, + union perf_mem_data_src *data_src) { struct arm_spe *spe = speq->spe; - bool is_in_cpu_list; u64 *metadata = NULL; - u64 midr = 0; + u64 midr; + unsigned int i; /* Metadata version 1 assumes all CPUs are the same (old behavior) */ if (spe->metadata_ver == 1) { @@ -592,18 +654,20 @@ static bool arm_spe__is_common_ds_encoding(struct arm_spe_queue *speq) midr = metadata[ARM_SPE_CPU_MIDR]; } - is_in_cpu_list = is_midr_in_range_list(midr, common_ds_encoding_cpus); - if (is_in_cpu_list) - return true; - else - return false; + for (i = 0; i < ARRAY_SIZE(data_source_handles); i++) { + if (is_midr_in_range_list(midr, data_source_handles[i].midr_ranges)) { + data_source_handles[i].ds_synth(record, data_src); + return true; + } + } + + return false; } static u64 arm_spe__synth_data_source(struct arm_spe_queue *speq, const struct arm_spe_record *record) { union perf_mem_data_src data_src = { .mem_op = PERF_MEM_OP_NA }; - bool is_common = arm_spe__is_common_ds_encoding(speq); if (record->op & ARM_SPE_OP_LD) data_src.mem_op = PERF_MEM_OP_LOAD; @@ -612,9 +676,7 @@ static u64 arm_spe__synth_data_source(struct arm_spe_queue *speq, else return 0; - if (is_common) - arm_spe__synth_data_source_common(record, &data_src); - else + if (!arm_spe__synth_ds(speq, record, &data_src)) arm_spe__synth_memory_level(record, &data_src); if (record->type & (ARM_SPE_TLB_ACCESS | ARM_SPE_TLB_MISS)) { |