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ARC: perf: support cache hit/miss ratio
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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parent
bde80c237e
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0a8a476793
1 changed files with 12 additions and 5 deletions
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@ -54,7 +54,10 @@ struct arc_reg_cc_build {
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#define PERF_COUNT_ARC_BPOK (PERF_COUNT_HW_MAX + 3)
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#define PERF_COUNT_ARC_EDTLB (PERF_COUNT_HW_MAX + 4)
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#define PERF_COUNT_ARC_EITLB (PERF_COUNT_HW_MAX + 5)
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#define PERF_COUNT_ARC_HW_MAX (PERF_COUNT_HW_MAX + 6)
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#define PERF_COUNT_ARC_LDC (PERF_COUNT_HW_MAX + 6)
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#define PERF_COUNT_ARC_STC (PERF_COUNT_HW_MAX + 7)
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#define PERF_COUNT_ARC_HW_MAX (PERF_COUNT_HW_MAX + 8)
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/*
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* Some ARC pct quirks:
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@ -96,6 +99,9 @@ static const char * const arc_pmu_ev_hw_map[] = {
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[PERF_COUNT_ARC_BPOK] = "bpok", /* NP-NT, PT-T, PNT-NT */
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[PERF_COUNT_HW_BRANCH_MISSES] = "bpfail", /* NP-T, PT-NT, PNT-T */
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[PERF_COUNT_ARC_LDC] = "imemrdc", /* Instr: mem read cached */
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[PERF_COUNT_ARC_STC] = "imemwrc", /* Instr: mem write cached */
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[PERF_COUNT_ARC_DCLM] = "dclm", /* D-cache Load Miss */
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[PERF_COUNT_ARC_DCSM] = "dcsm", /* D-cache Store Miss */
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[PERF_COUNT_ARC_ICM] = "icm", /* I-cache Miss */
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@ -109,11 +115,11 @@ static const char * const arc_pmu_ev_hw_map[] = {
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static const unsigned arc_pmu_cache_map[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)] = CACHE_OP_UNSUPPORTED,
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[C(RESULT_ACCESS)] = PERF_COUNT_ARC_LDC,
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[C(RESULT_MISS)] = PERF_COUNT_ARC_DCLM,
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},
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[C(OP_WRITE)] = {
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[C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
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[C(RESULT_ACCESS)] = PERF_COUNT_ARC_STC,
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[C(RESULT_MISS)] = PERF_COUNT_ARC_DCSM,
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},
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[C(OP_PREFETCH)] = {
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@ -123,7 +129,7 @@ static const unsigned arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
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},
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[C(L1I)] = {
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[C(OP_READ)] = {
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[C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
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[C(RESULT_ACCESS)] = PERF_COUNT_HW_INSTRUCTIONS,
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[C(RESULT_MISS)] = PERF_COUNT_ARC_ICM,
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},
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[C(OP_WRITE)] = {
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@ -151,9 +157,10 @@ static const unsigned arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
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},
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[C(DTLB)] = {
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[C(OP_READ)] = {
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[C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
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[C(RESULT_ACCESS)] = PERF_COUNT_ARC_LDC,
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[C(RESULT_MISS)] = PERF_COUNT_ARC_EDTLB,
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},
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/* DTLB LD/ST Miss not segregated by h/w*/
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[C(OP_WRITE)] = {
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[C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
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[C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
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