gecko-dev/tools/profiler/ProfilerIOInterposeObserver.cpp

36 lines
1.0 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "ProfilerIOInterposeObserver.h"
#include "GeckoProfiler.h"
using namespace mozilla;
ProfilerIOInterposeObserver::ProfilerIOInterposeObserver()
{
IOInterposer* interposer = IOInterposer::GetInstance();
if (interposer) {
interposer->Register(IOInterposeObserver::OpAll, this);
}
}
ProfilerIOInterposeObserver::~ProfilerIOInterposeObserver()
{
IOInterposer* interposer = IOInterposer::GetInstance();
if (interposer) {
interposer->Deregister(IOInterposeObserver::OpAll, this);
}
}
void ProfilerIOInterposeObserver::Observe(IOInterposeObserver::Operation aOp,
double& aDuration,
const char* aModuleInfo)
{
MOZ_ASSERT(NS_IsMainThread());
const char* ops[] = {"none", "read", "write", "invalid", "fsync"};
PROFILER_MARKER(ops[aOp]);
}