summaryrefslogtreecommitdiffhomepage
path: root/test/perf/linux/signal_benchmark.cc
diff options
context:
space:
mode:
Diffstat (limited to 'test/perf/linux/signal_benchmark.cc')
-rw-r--r--test/perf/linux/signal_benchmark.cc61
1 files changed, 0 insertions, 61 deletions
diff --git a/test/perf/linux/signal_benchmark.cc b/test/perf/linux/signal_benchmark.cc
deleted file mode 100644
index cec679191..000000000
--- a/test/perf/linux/signal_benchmark.cc
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright 2020 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 <signal.h>
-#include <string.h>
-
-#include "gtest/gtest.h"
-#include "benchmark/benchmark.h"
-#include "test/util/logging.h"
-#include "test/util/test_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-void FixupHandler(int sig, siginfo_t* si, void* void_ctx) {
- static unsigned int dataval = 0;
-
- // Skip the offending instruction.
- ucontext_t* ctx = reinterpret_cast<ucontext_t*>(void_ctx);
- ctx->uc_mcontext.gregs[REG_RAX] = reinterpret_cast<greg_t>(&dataval);
-}
-
-void BM_FaultSignalFixup(benchmark::State& state) {
- // Set up the signal handler.
- struct sigaction sa = {};
- sigemptyset(&sa.sa_mask);
- sa.sa_sigaction = FixupHandler;
- sa.sa_flags = SA_SIGINFO;
- TEST_CHECK(sigaction(SIGSEGV, &sa, nullptr) == 0);
-
- // Fault, fault, fault.
- for (auto _ : state) {
- // Trigger the segfault.
- asm volatile(
- "movq $0, %%rax\n"
- "movq $0x77777777, (%%rax)\n"
- :
- :
- : "rax");
- }
-}
-
-BENCHMARK(BM_FaultSignalFixup)->UseRealTime();
-
-} // namespace
-
-} // namespace testing
-} // namespace gvisor