diff options
Diffstat (limited to 'tools/perf/builtin-kvm.c')
-rw-r--r-- | tools/perf/builtin-kvm.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index b33c83489120..44ff3ea1da23 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -699,14 +699,15 @@ static int process_sample_event(struct perf_tool *tool, static int cpu_isa_config(struct perf_kvm_stat *kvm) { - char buf[64], *cpuid; + char buf[128], *cpuid; int err; if (kvm->live) { err = get_cpuid(buf, sizeof(buf)); if (err != 0) { - pr_err("Failed to look up CPU type\n"); - return err; + pr_err("Failed to look up CPU type: %s\n", + str_error_r(err, buf, sizeof(buf))); + return -err; } cpuid = buf; } else |