diff options
Diffstat (limited to 'arch/x86/events/amd/core.c')
| -rw-r--r-- | arch/x86/events/amd/core.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c index eb5c8539d6..985ef3b479 100644 --- a/arch/x86/events/amd/core.c +++ b/arch/x86/events/amd/core.c @@ -273,8 +273,23 @@ static const u64 amd_zen2_perfmon_event_map[PERF_COUNT_HW_MAX] = [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x00a9, }; +static const u64 amd_zen4_perfmon_event_map[PERF_COUNT_HW_MAX] = +{ + [PERF_COUNT_HW_CPU_CYCLES] = 0x0076, + [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0, + [PERF_COUNT_HW_CACHE_REFERENCES] = 0xff60, + [PERF_COUNT_HW_CACHE_MISSES] = 0x0964, + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c2, + [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c3, + [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x00a9, + [PERF_COUNT_HW_REF_CPU_CYCLES] = 0x100000120, +}; + static u64 amd_pmu_event_map(int hw_event) { + if (cpu_feature_enabled(X86_FEATURE_ZEN4) || boot_cpu_data.x86 >= 0x1a) + return amd_zen4_perfmon_event_map[hw_event]; + if (cpu_feature_enabled(X86_FEATURE_ZEN2) || boot_cpu_data.x86 >= 0x19) return amd_zen2_perfmon_event_map[hw_event]; @@ -593,7 +608,7 @@ static void amd_pmu_cpu_starting(int cpu) if (!x86_pmu.amd_nb_constraints) return; - nb_id = topology_die_id(cpu); + nb_id = topology_amd_node_id(cpu); WARN_ON_ONCE(nb_id == BAD_APICID); for_each_online_cpu(i) { @@ -918,8 +933,8 @@ static int amd_pmu_v2_handle_irq(struct pt_regs *regs) if (!status) goto done; - /* Read branch records before unfreezing */ - if (status & GLOBAL_STATUS_LBRS_FROZEN) { + /* Read branch records */ + if (x86_pmu.lbr_nr) { amd_pmu_lbr_read(); status &= ~GLOBAL_STATUS_LBRS_FROZEN; } |