diff options
| -rw-r--r-- | tools/perf/arch/x86/util/kvm-stat.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/kvm-stat.c b/tools/perf/arch/x86/util/kvm-stat.c index 072920475b65..c5dd54f6ef5e 100644 --- a/tools/perf/arch/x86/util/kvm-stat.c +++ b/tools/perf/arch/x86/util/kvm-stat.c @@ -133,11 +133,56 @@ static struct kvm_events_ops ioport_events = { .name = "IO Port Access" }; + /* The time of emulation msr is from kvm_msr to kvm_entry. */ +static void msr_event_get_key(struct evsel *evsel, + struct perf_sample *sample, + struct event_key *key) +{ + key->key = evsel__intval(evsel, sample, "ecx"); + key->info = evsel__intval(evsel, sample, "write"); +} + +static bool msr_event_begin(struct evsel *evsel, + struct perf_sample *sample, + struct event_key *key) +{ + if (!strcmp(evsel->name, "kvm:kvm_msr")) { + msr_event_get_key(evsel, sample, key); + return true; + } + + return false; +} + +static bool msr_event_end(struct evsel *evsel, + struct perf_sample *sample __maybe_unused, + struct event_key *key __maybe_unused) +{ + return kvm_entry_event(evsel); +} + +static void msr_event_decode_key(struct perf_kvm_stat *kvm __maybe_unused, + struct event_key *key, + char *decode) +{ + scnprintf(decode, decode_str_len, "%#llx:%s", + (unsigned long long)key->key, + key->info ? "W" : "R"); +} + +static struct kvm_events_ops msr_events = { + .is_begin_event = msr_event_begin, + .is_end_event = msr_event_end, + .decode_key = msr_event_decode_key, + .name = "MSR Access" +}; + const char *kvm_events_tp[] = { "kvm:kvm_entry", "kvm:kvm_exit", "kvm:kvm_mmio", "kvm:kvm_pio", + "kvm:kvm_msr", NULL, }; @@ -145,6 +190,7 @@ struct kvm_reg_events_ops kvm_reg_events_ops[] = { { .name = "vmexit", .ops = &exit_events }, { .name = "mmio", .ops = &mmio_events }, { .name = "ioport", .ops = &ioport_events }, + { .name = "msr", .ops = &msr_events }, { NULL, NULL }, }; |