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Unified Diff: src/perf-jit.h

Issue 366883004: Revert "Reland "Linux perf tool support update + refactoring." (r22118)" (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 6 months ago
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Index: src/perf-jit.h
diff --git a/src/perf-jit.h b/src/perf-jit.h
deleted file mode 100644
index 9aeff7a5d6dd8eeda3386be6b8e7f0a6a16034c2..0000000000000000000000000000000000000000
--- a/src/perf-jit.h
+++ /dev/null
@@ -1,136 +0,0 @@
-// Copyright 2014 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.
-
-#ifndef V8_PERF_JIT_H_
-#define V8_PERF_JIT_H_
-
-#include "src/v8.h"
-
-namespace v8 {
-namespace internal {
-
-// TODO(jarin) For now, we disable perf integration on Android because of a
-// build problem - when building the snapshot with AOSP, librt is not
-// available, so we cannot use the clock_gettime function. To fix this, we
-// should thread through the V8_LIBRT_NOT_AVAILABLE flag here and only disable
-// the perf integration when this flag is present (the perf integration is not
-// needed when generating snapshot, so it is fine to ifdef it away).
-
-#if defined(__linux__) && !defined(ANDROID)
-
-// Linux perf tool logging support
-class PerfJitLogger : public CodeEventLogger {
- public:
- PerfJitLogger();
- virtual ~PerfJitLogger();
-
- virtual void CodeMoveEvent(Address from, Address to);
- virtual void CodeDeleteEvent(Address from);
- virtual void CodeDisableOptEvent(Code* code, SharedFunctionInfo* shared) { }
- virtual void SnapshotPositionEvent(Address addr, int pos);
-
- private:
- uint64_t GetTimestamp();
- virtual void LogRecordedBuffer(Code* code,
- SharedFunctionInfo* shared,
- const char* name,
- int length);
-
- // Extension added to V8 log file name to get the low-level log name.
- static const char kFilenameFormatString[];
- static const int kFilenameBufferPadding;
-
- static const char kTraceClockDevice[];
- static const int kClockInvalid = -1;
- static const uint64_t kNsecPerSec = 1000000000;
-
- // File buffer size of the low-level log. We don't use the default to
- // minimize the associated overhead.
- static const int kLogBufferSize = 2 * MB;
-
- void LogWriteBytes(const char* bytes, int size);
- void LogWriteHeader();
-
- static const uint32_t kElfMachIA32 = 3;
- static const uint32_t kElfMachX64 = 62;
- static const uint32_t kElfMachARM = 40;
- static const uint32_t kElfMachMIPS = 10;
-
- uint32_t GetElfMach() {
-#if V8_TARGET_ARCH_IA32
- return kElfMachIA32;
-#elif V8_TARGET_ARCH_X64
- return kElfMachX64;
-#elif V8_TARGET_ARCH_ARM
- return kElfMachARM;
-#elif V8_TARGET_ARCH_MIPS
- return kElfMachMIPS;
-#else
- UNIMPLEMENTED();
- return 0;
-#endif
- }
-
- FILE* perf_output_handle_;
- int clock_fd_;
- int clock_id_;
- uint64_t code_index_;
-};
-
-#else
-
-// PerfJitLogger is only implemented on Linux
-class PerfJitLogger : public CodeEventLogger {
- public:
- virtual void CodeMoveEvent(Address from, Address to) {
- UNIMPLEMENTED();
- }
-
- virtual void CodeDeleteEvent(Address from) {
- UNIMPLEMENTED();
- }
-
- virtual void CodeDisableOptEvent(Code* code, SharedFunctionInfo* shared) {
- UNIMPLEMENTED();
- }
-
- virtual void SnapshotPositionEvent(Address addr, int pos) {
- UNIMPLEMENTED();
- }
-
- virtual void LogRecordedBuffer(Code* code,
- SharedFunctionInfo* shared,
- const char* name,
- int length) {
- UNIMPLEMENTED();
- }
-};
-
-#endif // defined(__linux__) && !defined(ANDROID)
-
-} } // namespace v8::internal
-#endif
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