diff options
Diffstat (limited to 'test/syscalls/linux/kcov.cc')
| -rw-r--r-- | test/syscalls/linux/kcov.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/test/syscalls/linux/kcov.cc b/test/syscalls/linux/kcov.cc index f3c30444e..6afcb4e75 100644 --- a/test/syscalls/linux/kcov.cc +++ b/test/syscalls/linux/kcov.cc @@ -36,12 +36,13 @@ TEST(KcovTest, Kcov) { constexpr int kSize = 4096; constexpr int KCOV_INIT_TRACE = 0x80086301; constexpr int KCOV_ENABLE = 0x6364; + constexpr int KCOV_DISABLE = 0x6365; int fd; ASSERT_THAT(fd = open("/sys/kernel/debug/kcov", O_RDWR), AnyOf(SyscallSucceeds(), SyscallFailsWithErrno(ENOENT))); - // Kcov not enabled. + // Kcov not available. SKIP_IF(errno == ENOENT); ASSERT_THAT(ioctl(fd, KCOV_INIT_TRACE, kSize), SyscallSucceeds()); @@ -62,6 +63,8 @@ TEST(KcovTest, Kcov) { // Verify that PCs are in the standard kernel range. EXPECT_GT(area[i], 0xffffffff7fffffffL); } + + ASSERT_THAT(ioctl(fd, KCOV_DISABLE, 0), SyscallSucceeds()); } } // namespace |