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| author | Vineet Gupta <vgupta@synopsys.com> | 2015-01-07 08:44:07 +0100 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2015-04-20 14:57:34 +0200 |
| commit | 0a8a47679351f00145ddeaa0a05b510e67b780be (patch) | |
| tree | 6740376fd0296cd29afbe7c18c62966ead9c264e /arch/arc | |
| parent | ARC: perf: Add some comments/debug stuff (diff) | |
| download | linux-0a8a47679351f00145ddeaa0a05b510e67b780be.tar.xz linux-0a8a47679351f00145ddeaa0a05b510e67b780be.zip | |
ARC: perf: support cache hit/miss ratio
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/include/asm/perf_event.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/arc/include/asm/perf_event.h b/arch/arc/include/asm/perf_event.h index 1c45667c1367..2b8880e953a2 100644 --- a/arch/arc/include/asm/perf_event.h +++ b/arch/arc/include/asm/perf_event.h @@ -54,7 +54,10 @@ struct arc_reg_cc_build { #define PERF_COUNT_ARC_BPOK (PERF_COUNT_HW_MAX + 3) #define PERF_COUNT_ARC_EDTLB (PERF_COUNT_HW_MAX + 4) #define PERF_COUNT_ARC_EITLB (PERF_COUNT_HW_MAX + 5) -#define PERF_COUNT_ARC_HW_MAX (PERF_COUNT_HW_MAX + 6) +#define PERF_COUNT_ARC_LDC (PERF_COUNT_HW_MAX + 6) +#define PERF_COUNT_ARC_STC (PERF_COUNT_HW_MAX + 7) + +#define PERF_COUNT_ARC_HW_MAX (PERF_COUNT_HW_MAX + 8) /* * Some ARC pct quirks: @@ -96,6 +99,9 @@ static const char * const arc_pmu_ev_hw_map[] = { [PERF_COUNT_ARC_BPOK] = "bpok", /* NP-NT, PT-T, PNT-NT */ [PERF_COUNT_HW_BRANCH_MISSES] = "bpfail", /* NP-T, PT-NT, PNT-T */ + [PERF_COUNT_ARC_LDC] = "imemrdc", /* Instr: mem read cached */ + [PERF_COUNT_ARC_STC] = "imemwrc", /* Instr: mem write cached */ + [PERF_COUNT_ARC_DCLM] = "dclm", /* D-cache Load Miss */ [PERF_COUNT_ARC_DCSM] = "dcsm", /* D-cache Store Miss */ [PERF_COUNT_ARC_ICM] = "icm", /* I-cache Miss */ @@ -109,11 +115,11 @@ static const char * const arc_pmu_ev_hw_map[] = { static const unsigned arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { [C(L1D)] = { [C(OP_READ)] = { - [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_ACCESS)] = PERF_COUNT_ARC_LDC, [C(RESULT_MISS)] = PERF_COUNT_ARC_DCLM, }, [C(OP_WRITE)] = { - [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_ACCESS)] = PERF_COUNT_ARC_STC, [C(RESULT_MISS)] = PERF_COUNT_ARC_DCSM, }, [C(OP_PREFETCH)] = { @@ -123,7 +129,7 @@ static const unsigned arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { }, [C(L1I)] = { [C(OP_READ)] = { - [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_ACCESS)] = PERF_COUNT_HW_INSTRUCTIONS, [C(RESULT_MISS)] = PERF_COUNT_ARC_ICM, }, [C(OP_WRITE)] = { @@ -151,9 +157,10 @@ static const unsigned arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { }, [C(DTLB)] = { [C(OP_READ)] = { - [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_ACCESS)] = PERF_COUNT_ARC_LDC, [C(RESULT_MISS)] = PERF_COUNT_ARC_EDTLB, }, + /* DTLB LD/ST Miss not segregated by h/w*/ [C(OP_WRITE)] = { [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, |