diff options
| -rw-r--r-- | tools/perf/arch/x86/util/kvm-stat.c | 5 | ||||
| -rw-r--r-- | tools/perf/builtin-kvm.c | 13 | ||||
| -rw-r--r-- | tools/perf/util/kvm-stat.h | 1 |
3 files changed, 18 insertions, 1 deletions
diff --git a/tools/perf/arch/x86/util/kvm-stat.c b/tools/perf/arch/x86/util/kvm-stat.c index 2f8d2c1af5c..14e4e668fad 100644 --- a/tools/perf/arch/x86/util/kvm-stat.c +++ b/tools/perf/arch/x86/util/kvm-stat.c @@ -136,6 +136,11 @@ struct kvm_reg_events_ops kvm_reg_events_ops[] = { { NULL, NULL }, }; +const char * const kvm_skip_events[] = { + "HLT", + NULL, +}; + int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid) { if (strstr(cpuid, "Intel")) { diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 75ee8c1a6ba..fc2d63d3e79 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -261,6 +261,17 @@ static bool update_kvm_event(struct kvm_event *event, int vcpu_id, return true; } +static bool skip_event(const char *event) +{ + const char * const *skip_events; + + for (skip_events = kvm_skip_events; *skip_events; skip_events++) + if (!strcmp(event, *skip_events)) + return true; + + return false; +} + static bool handle_end_event(struct perf_kvm_stat *kvm, struct vcpu_event_record *vcpu_record, struct event_key *key, @@ -312,7 +323,7 @@ static bool handle_end_event(struct perf_kvm_stat *kvm, char decode[DECODE_STR_LEN]; kvm->events_ops->decode_key(kvm, &event->key, decode); - if (strcmp(decode, "HLT")) { + if (!skip_event(decode)) { pr_info("%" PRIu64 " VM %d, vcpu %d: %s event took %" PRIu64 "usec\n", sample->time, sample->pid, vcpu_record->vcpu_id, decode, time_diff/1000); diff --git a/tools/perf/util/kvm-stat.h b/tools/perf/util/kvm-stat.h index d0d9fb1ae52..ba937caa28a 100644 --- a/tools/perf/util/kvm-stat.h +++ b/tools/perf/util/kvm-stat.h @@ -126,5 +126,6 @@ int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid); extern const char * const kvm_events_tp[]; extern struct kvm_reg_events_ops kvm_reg_events_ops[]; +extern const char * const kvm_skip_events[]; #endif /* __PERF_KVM_STAT_H */ |