3e068605da
Add CPU trace mark extension for adding a magic instruction like 'cpuid' to the code stream when perform trace collection. This feature can be enabled by --expose-cputracemark-as=THE_NAME_YOU_SPECIFIED option. Change-Id: I33e94793cddf4956dbb3ddddf2f599420aa4a945 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1699749 Commit-Queue: Tianyou Li <tianyou.li@intel.com> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#62749}
38 lines
1.8 KiB
JavaScript
38 lines
1.8 KiB
JavaScript
// Copyright 2019 the V8 project authors. All rights reserved.
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following
|
|
// disclaimer in the documentation and/or other materials provided
|
|
// with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
// Flags: --expose-cputracemark-as=cputracemark
|
|
|
|
// Test --expose-cputracemark-as option.
|
|
|
|
cputracemark(100);
|
|
cputracemark(100, 'a');
|
|
|
|
assertThrows(() => cputracemark(-1));
|
|
assertThrows(() => cputracemark(null));
|
|
assertThrows(() => cputracemark(""));
|