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Remove the systrace logger. Dart can now redirect traces to systrace. (flutter/engine#3057)

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This commit is contained in:
Chinmay Garde 2016-09-23 16:56:59 -07:00 committed by GitHub
parent b2e97acdb8
commit eab36e0efe
3 changed files with 0 additions and 92 deletions
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2
engine/src/flutter/shell/common/BUILD.gn
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@ -34,8 +34,6 @@ source_set("common") {
"shell.h",
"switches.cc",
"switches.h",
"systrace_logger.cc",
"systrace_logger.h",
"tracing_controller.cc",
"tracing_controller.h",
"ui_delegate.cc",

55
engine/src/flutter/shell/common/systrace_logger.cc
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@ -1,55 +0,0 @@
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "flutter/shell/common/systrace_logger.h"
#include "lib/ftl/files/eintr_wrapper.h"
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
namespace shell {
static const int kBufferSize = 256;
SystraceLogger::SystraceLogger()
: trace_fd_(HANDLE_EINTR(
::open("/sys/kernel/debug/tracing/trace_marker", O_WRONLY))),
pid_(getpid()) {}
SystraceLogger::~SystraceLogger() {
IGNORE_EINTR(::close(trace_fd_));
}
void SystraceLogger::TraceBegin(const char* label) const {
char buffer[kBufferSize];
int buffer_written = snprintf(buffer, sizeof(buffer), "B|%d|%s", pid_, label);
if (buffer_written <= 0 || buffer_written > kBufferSize) {
return;
}
HANDLE_EINTR(::write(trace_fd_, buffer, buffer_written));
}
void SystraceLogger::TraceEnd() const {
HANDLE_EINTR(::write(trace_fd_, "E", 1));
}
void SystraceLogger::TraceCount(const char* label, int count) const {
char buffer[kBufferSize];
int buffer_written =
snprintf(buffer, sizeof(buffer), "C|%d|%s|%d", pid_, label, count);
if (buffer_written <= 0 || buffer_written > kBufferSize) {
return;
}
HANDLE_EINTR(::write(trace_fd_, buffer, buffer_written));
}
} // namespace shell

35
engine/src/flutter/shell/common/systrace_logger.h
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@ -1,35 +0,0 @@
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SHELL_COMMON_SYSTRACE_LOGGER_H_
#define SHELL_COMMON_SYSTRACE_LOGGER_H_
#include "lib/ftl/macros.h"
#include <sys/types.h>
namespace shell {
class SystraceLogger {
public:
SystraceLogger();
~SystraceLogger();
void TraceBegin(const char* label) const;
void TraceEnd() const;
void TraceCount(const char* label, int count) const;
private:
int trace_fd_;
int pid_;
FTL_DISALLOW_COPY_AND_ASSIGN(SystraceLogger);
};
} // namespace shell
#endif // SHELL_COMMON_SYSTRACE_LOGGER_H_