diff options
Diffstat (limited to 'tools/perf/tests/tests.h')
| -rw-r--r-- | tools/perf/tests/tests.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index cae33c375d55..958f94dcc94c 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -151,7 +151,26 @@ DECLARE_SUITE(expand_cgroup_events); DECLARE_SUITE(perf_time_to_tsc); DECLARE_SUITE(dlfilter); -bool test__bp_signal_is_supported(void); +/* + * PowerPC and S390 do not support creation of instruction breakpoints using the + * perf_event interface. + * + * ARM requires explicit rounding down of the instruction pointer in Thumb mode, + * and then requires the single-step to be handled explicitly in the overflow + * handler to avoid stepping into the SIGIO handler and getting stuck on the + * breakpointed instruction. + * + * Since arm64 has the same issue with arm for the single-step handling, this + * case also gets stuck on the breakpointed instruction. + * + * Just disable the test for these architectures until these issues are + * resolved. + */ +#if defined(__powerpc__) || defined(__s390x__) || defined(__arm__) || defined(__aarch64__) +#define BP_SIGNAL_IS_SUPPORTED 0 +#else +#define BP_SIGNAL_IS_SUPPORTED 1 +#endif #ifdef HAVE_DWARF_UNWIND_SUPPORT struct thread; |