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| author | Frank Ch. Eigler <fche@elastic.org> | 2009-10-08 17:36:36 -0400 |
|---|---|---|
| committer | Frank Ch. Eigler <fche@elastic.org> | 2009-10-08 17:36:36 -0400 |
| commit | e34d5d1388d3c7817313685e3f7424ffc158474f (patch) | |
| tree | ac39f35f47beae8d304e772f653f8d9331290670 /tapsets.cxx | |
| parent | 1beb508976ba5a79758ffe6e174f47a64225f449 (diff) | |
| download | systemtap-steved-e34d5d1388d3c7817313685e3f7424ffc158474f.tar.gz systemtap-steved-e34d5d1388d3c7817313685e3f7424ffc158474f.tar.xz systemtap-steved-e34d5d1388d3c7817313685e3f7424ffc158474f.zip | |
PR10746: improve error message on utrace-less kernels
* tapset-itrace.exp (itrace_derived_probe ctor): Fail if !CONFIG_UTRACE.
* tapset-utrace.exp (utrace_derived_probe ctor): Fail if !CONFIG_UTRACE.
* tapsets.cxx (dwarf_builder::build): Fail process.* if !CONFIG_UTRACE.
* testsuite/semko/utrace.stp: New test.
Diffstat (limited to 'tapsets.cxx')
| -rw-r--r-- | tapsets.cxx | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tapsets.cxx b/tapsets.cxx index 09ead991..9aa4964f 100644 --- a/tapsets.cxx +++ b/tapsets.cxx @@ -3882,6 +3882,9 @@ dwarf_builder::build(systemtap_session & sess, { module_name = find_executable (module_name); // canonicalize it + if (sess.kernel_config["CONFIG_UTRACE"] != string("y")) + throw semantic_error ("process probes not available without kernel CONFIG_UTRACE"); + // user-space target; we use one dwflpp instance per module name // (= program or shared library) dw = get_user_dw(sess, module_name); |