52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
//===- ActionProfiler.h - Profiling Actions *- C++ -*-=======================//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef MLIR_TRACING_OBSERVERS_ACTIONPROFILER_H
|
|
#define MLIR_TRACING_OBSERVERS_ACTIONPROFILER_H
|
|
|
|
#include "mlir/Debug/ExecutionContext.h"
|
|
#include "llvm/ADT/StringRef.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
|
|
#include <chrono>
|
|
#include <mutex>
|
|
|
|
namespace mlir {
|
|
namespace tracing {
|
|
|
|
/// This class defines an observer that profiles events before and after
|
|
/// execution on the provided stream. The events are stored in the Chrome trace
|
|
/// event format.
|
|
struct ActionProfiler : public ExecutionContext::Observer {
|
|
ActionProfiler(raw_ostream &os)
|
|
: os(os), startTime(std::chrono::steady_clock::now()) {
|
|
os << "[";
|
|
}
|
|
|
|
~ActionProfiler() override { os << "]"; }
|
|
|
|
void beforeExecute(const ActionActiveStack *action, Breakpoint *breakpoint,
|
|
bool willExecute) override;
|
|
void afterExecute(const ActionActiveStack *action) override;
|
|
|
|
private:
|
|
void print(const ActionActiveStack *action, llvm::StringRef phase);
|
|
|
|
raw_ostream &os;
|
|
std::chrono::time_point<std::chrono::steady_clock> startTime;
|
|
bool printComma = false;
|
|
|
|
/// A mutex used to guard profiling.
|
|
std::mutex mutex;
|
|
};
|
|
|
|
} // namespace tracing
|
|
} // namespace mlir
|
|
|
|
#endif // MLIR_TRACING_OBSERVERS_ACTIONPROFILER_H
|