diff options
Diffstat (limited to 'tools/perf/tests')
| -rw-r--r-- | tools/perf/tests/bp_signal.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/tools/perf/tests/bp_signal.c b/tools/perf/tests/bp_signal.c index a467615c5a0e..910e25e64188 100644 --- a/tools/perf/tests/bp_signal.c +++ b/tools/perf/tests/bp_signal.c @@ -291,12 +291,20 @@ int test__bp_signal(struct test *test __maybe_unused, int subtest __maybe_unused bool test__bp_signal_is_supported(void) { -/* - * The powerpc so far does not have support to even create - * instruction breakpoint using the perf event interface. - * Once it's there we can release this. - */ -#if defined(__powerpc__) || defined(__s390x__) + /* + * 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. + * + * Just disable the test for these architectures until these + * issues are resolved. + */ +#if defined(__powerpc__) || defined(__s390x__) || defined(__arm__) return false; #else return true; |