diff options
Diffstat (limited to 'tapset-perfmon.cxx')
| -rw-r--r-- | tapset-perfmon.cxx | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tapset-perfmon.cxx b/tapset-perfmon.cxx index 81d6c2d7..9078dfd9 100644 --- a/tapset-perfmon.cxx +++ b/tapset-perfmon.cxx @@ -198,6 +198,8 @@ perf_builder::build(systemtap_session & sess, { // XXX need additional version checks too? // --- perhaps look for export of perf_event_create_kernel_counter + if (sess.kernel_exports.find("perf_event_create_kernel_counter") == sess.kernel_exports.end()) + throw semantic_error ("perf probes not available without exported perf_event_create_kernel_counter"); if (sess.kernel_config["CONFIG_PERF_EVENTS"] != "y") throw semantic_error ("perf probes not available without CONFIG_PERF_EVENTS"); |