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IOS: Warn on blocking IPC handlers. 

This should help us identify them and figure out which ones need to be
fixed.
This commit is contained in:
Pierre Bourdon 2017-11-15 14:42:21 +01:00
parent 496c33738f
commit 169028e8f5
1 changed files with 28 additions and 7 deletions
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35
Source/Core/Core/IOS/IOS.cpp
View File

@ -18,6 +18,7 @@
#include "Common/ChunkFile.h"
#include "Common/CommonTypes.h"
#include "Common/Logging/Log.h"
#include "Common/Timer.h"
#include "Core/Boot/DolReader.h"
#include "Core/Boot/ElfReader.h"
#include "Core/CommonTitles.h"
@ -481,25 +482,45 @@ IPCCommandResult Kernel::HandleIPCCommand(const Request& request)
if (!device)
return Device::Device::GetDefaultReply(IPC_EINVAL);
IPCCommandResult ret;
u64 wall_time_before = Common::Timer::GetTimeUs();
switch (request.command)
{
case IPC_CMD_CLOSE:
m_fdmap[request.fd].reset();
return Device::Device::GetDefaultReply(device->Close(request.fd));
ret = Device::Device::GetDefaultReply(device->Close(request.fd));
break;
case IPC_CMD_READ:
return device->Read(ReadWriteRequest{request.address});
ret = device->Read(ReadWriteRequest{request.address});
break;
case IPC_CMD_WRITE:
return device->Write(ReadWriteRequest{request.address});
ret = device->Write(ReadWriteRequest{request.address});
break;
case IPC_CMD_SEEK:
return device->Seek(SeekRequest{request.address});
ret = device->Seek(SeekRequest{request.address});
break;
case IPC_CMD_IOCTL:
return device->IOCtl(IOCtlRequest{request.address});
ret = device->IOCtl(IOCtlRequest{request.address});
break;
case IPC_CMD_IOCTLV:
return device->IOCtlV(IOCtlVRequest{request.address});
ret = device->IOCtlV(IOCtlVRequest{request.address});
break;
default:
_assert_msg_(IOS, false, "Unexpected command: %x", request.command);
return Device::Device::GetDefaultReply(IPC_EINVAL);
ret = Device::Device::GetDefaultReply(IPC_EINVAL);
break;
}
u64 wall_time_after = Common::Timer::GetTimeUs();
constexpr u64 BLOCKING_IPC_COMMAND_THRESHOLD_US = 2000;
if (wall_time_after - wall_time_before > BLOCKING_IPC_COMMAND_THRESHOLD_US)
{
WARN_LOG(IOS, "Previous request to device %s blocked emulation for %" PRIu64 " microseconds.",
device->GetDeviceName().c_str(), wall_time_after - wall_time_before);
}
return ret;
}
void Kernel::ExecuteIPCCommand(const u32 address)