diff options
Diffstat (limited to 'arch/powerpc/perf/isa207-common.c')
| -rw-r--r-- | arch/powerpc/perf/isa207-common.c | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/arch/powerpc/perf/isa207-common.c b/arch/powerpc/perf/isa207-common.c index 8125160be7bc..2efee3f196f5 100644 --- a/arch/powerpc/perf/isa207-common.c +++ b/arch/powerpc/perf/isa207-common.c @@ -90,14 +90,16 @@ static void mmcra_sdar_mode(u64 event, unsigned long *mmcra) * MMCRA[SDAR_MODE] will be set to 0b01 * For rest * MMCRA[SDAR_MODE] will be set from event code. + * If sdar_mode from event is zero, default to 0b01. Hardware + * requires that we set a non-zero value. */ if (cpu_has_feature(CPU_FTR_ARCH_300)) { if (is_event_marked(event) || (*mmcra & MMCRA_SAMPLE_ENABLE)) *mmcra &= MMCRA_SDAR_MODE_NO_UPDATES; - else if (!cpu_has_feature(CPU_FTR_POWER9_DD1)) + else if (!cpu_has_feature(CPU_FTR_POWER9_DD1) && p9_SDAR_MODE(event)) *mmcra |= p9_SDAR_MODE(event) << MMCRA_SDAR_MODE_SHIFT; - else if (cpu_has_feature(CPU_FTR_POWER9_DD1)) - *mmcra |= MMCRA_SDAR_MODE_TLB; + else + *mmcra |= MMCRA_SDAR_MODE_DCACHE; } else *mmcra |= MMCRA_SDAR_MODE_TLB; } @@ -486,8 +488,8 @@ static int find_alternative(u64 event, const unsigned int ev_alt[][MAX_ALT], int return -1; } -int isa207_get_alternatives(u64 event, u64 alt[], - const unsigned int ev_alt[][MAX_ALT], int size) +int isa207_get_alternatives(u64 event, u64 alt[], int size, unsigned int flags, + const unsigned int ev_alt[][MAX_ALT]) { int i, j, num_alt = 0; u64 alt_event; @@ -503,5 +505,30 @@ int isa207_get_alternatives(u64 event, u64 alt[], } } + if (flags & PPMU_ONLY_COUNT_RUN) { + /* + * We're only counting in RUN state, so PM_CYC is equivalent to + * PM_RUN_CYC and PM_INST_CMPL === PM_RUN_INST_CMPL. + */ + j = num_alt; + for (i = 0; i < num_alt; ++i) { + switch (alt[i]) { + case 0x1e: /* PMC_CYC */ + alt[j++] = 0x600f4; /* PM_RUN_CYC */ + break; + case 0x600f4: + alt[j++] = 0x1e; + break; + case 0x2: /* PM_INST_CMPL */ + alt[j++] = 0x500fa; /* PM_RUN_INST_CMPL */ + break; + case 0x500fa: + alt[j++] = 0x2; + break; + } + } + num_alt = j; + } + return num_alt; } |