1 files changed, 0 insertions, 73 deletions
diff --git a/test/syscalls/linux/kcov.cc b/test/syscalls/linux/kcov.cc
deleted file mode 100644
index 6afcb4e75..000000000
--- a/test/syscalls/linux/kcov.cc
+++ /dev/null
@@ -1,73 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include <sys/errno.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-
-#include "gtest/gtest.h"
-#include "test/util/capability_util.h"
-#include "test/util/file_descriptor.h"
-#include "test/util/test_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-// For this test to work properly, it must be run with coverage enabled. On
-// native Linux, this involves compiling the kernel with kcov enabled. For
-// gVisor, we need to enable the Go coverage tool, e.g.
-// bazel test --collect_coverage_data --instrumentation_filter=//pkg/... <test>.
-TEST(KcovTest, Kcov) {
-  SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability((CAP_DAC_OVERRIDE))));
-
-  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 available.
-  SKIP_IF(errno == ENOENT);
-
-  ASSERT_THAT(ioctl(fd, KCOV_INIT_TRACE, kSize), SyscallSucceeds());
-  uint64_t* area = (uint64_t*)mmap(nullptr, kSize * sizeof(uint64_t),
-                                   PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
-
-  ASSERT_TRUE(area != MAP_FAILED);
-  ASSERT_THAT(ioctl(fd, KCOV_ENABLE, 0), SyscallSucceeds());
-
-  for (int i = 0; i < 10; i++) {
-    // Make some syscalls to generate coverage data.
-    ASSERT_THAT(ioctl(fd, KCOV_ENABLE, 0), SyscallFailsWithErrno(EINVAL));
-  }
-
-  uint64_t num_pcs = *(uint64_t*)(area);
-  EXPECT_GT(num_pcs, 0);
-  for (uint64_t i = 1; i <= num_pcs; i++) {
-    // Verify that PCs are in the standard kernel range.
-    EXPECT_GT(area[i], 0xffffffff7fffffffL);
-  }
-
-  ASSERT_THAT(ioctl(fd, KCOV_DISABLE, 0), SyscallSucceeds());
-}
-
-}  // namespace
-
-}  // namespace testing
-}  // namespace gvisor