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| author | Frank Ch. Eigler <fche@elastic.org> | 2010-03-18 09:35:28 -0400 |
|---|---|---|
| committer | Frank Ch. Eigler <fche@elastic.org> | 2010-03-18 09:35:28 -0400 |
| commit | 70e6d6c94781870f7c11fb3cd62bd8ea69e91a85 (patch) | |
| tree | 6071600746cdbe4ff8f15ab7c026ef93c9f062e2 /tapset-perfmon.cxx | |
| parent | 7acbe85634102f8df073e149a01158d8dcdbf0ee (diff) | |
| download | systemtap-steved-70e6d6c94781870f7c11fb3cd62bd8ea69e91a85.tar.gz systemtap-steved-70e6d6c94781870f7c11fb3cd62bd8ea69e91a85.tar.xz systemtap-steved-70e6d6c94781870f7c11fb3cd62bd8ea69e91a85.zip | |
PR909: store kernel exported symbols in session object
* session.h (kernel_exports): New field.
* main.cxx (parse_kernel_exports): Fill it.
* tapset-perfmon.cxx (perf_builder::build): Check it for our pal
perf_event_create_kernel_counter.
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"); |