diff options
Diffstat (limited to 'test/syscalls/linux/vdso_clock_gettime.cc')
| -rw-r--r-- | test/syscalls/linux/vdso_clock_gettime.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/test/syscalls/linux/vdso_clock_gettime.cc b/test/syscalls/linux/vdso_clock_gettime.cc index 52b67249d..2a8699a7b 100644 --- a/test/syscalls/linux/vdso_clock_gettime.cc +++ b/test/syscalls/linux/vdso_clock_gettime.cc @@ -48,6 +48,11 @@ std::string PrintClockId(::testing::TestParamInfo<clockid_t> info) { class MonotonicVDSOClockTest : public ::testing::TestWithParam<clockid_t> {}; TEST_P(MonotonicVDSOClockTest, IsCorrect) { + // The VDSO implementation of clock_gettime() uses the TSC. On KVM, sentry and + // application TSCs can be very desynchronized; see + // sentry/platform/kvm/kvm.vCPU.setSystemTime(). + SKIP_IF(GvisorPlatform() == Platform::kKVM); + // Check that when we alternate readings from the clock_gettime syscall and // the VDSO's implementation, we observe the combined sequence as being // monotonic. |