diff options
Diffstat (limited to 'tools/perf/arch')
-rw-r--r-- | tools/perf/arch/x86/util/evsel.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/evsel.c b/tools/perf/arch/x86/util/evsel.c index 512c2d885d24..81d22657922a 100644 --- a/tools/perf/arch/x86/util/evsel.c +++ b/tools/perf/arch/x86/util/evsel.c @@ -102,3 +102,23 @@ void arch__post_evsel_config(struct evsel *evsel, struct perf_event_attr *attr) } } } + +int arch_evsel__open_strerror(struct evsel *evsel, char *msg, size_t size) +{ + if (!x86__is_amd_cpu()) + return 0; + + if (!evsel->core.attr.precise_ip && + !(evsel->pmu_name && !strncmp(evsel->pmu_name, "ibs", 3))) + return 0; + + /* More verbose IBS errors. */ + if (evsel->core.attr.exclude_kernel || evsel->core.attr.exclude_user || + evsel->core.attr.exclude_hv || evsel->core.attr.exclude_idle || + evsel->core.attr.exclude_host || evsel->core.attr.exclude_guest) { + return scnprintf(msg, size, "AMD IBS doesn't support privilege filtering. Try " + "again without the privilege modifiers (like 'k') at the end."); + } + + return 0; +} |