status_t
Settings::WriteSwapSettings()
{
BPath path;
if (find_directory(B_USER_SETTINGS_DIRECTORY, &path) != B_OK)
return B_ERROR;
path.Append("kernel/drivers");
path.Append(kVirtualMemorySettings);
BFile file;
if (file.SetTo(path.Path(), B_WRITE_ONLY | B_CREATE_FILE | B_ERASE_FILE)
!= B_OK)
return B_ERROR;
fs_info info;
if (fs_stat_dev(SwapVolume(), &info) != 0)
return B_ERROR;
char buffer[1024];
snprintf(buffer, sizeof(buffer), "vm %s\nswap_auto %s\nswap_size %"
B_PRIdOFF "\nswap_volume_name %s\nswap_volume_device %s\n"
"swap_volume_filesystem %s\nswap_volume_capacity %" B_PRIdOFF "\n",
SwapEnabled() ? "on" : "off", SwapAutomatic() ? "yes" : "no",
SwapSize(), info.volume_name, info.device_name, info.fsh_name,
info.total_blocks * info.block_size);
file.Write(buffer, strlen(buffer));
return B_OK;
}
bool
Settings::IsDefaultable()
{
return SwapEnabled() != fDefaultSettings.enabled
|| SwapAutomatic() != fDefaultSettings.automatic
|| SwapSize() != fDefaultSettings.size
|| SwapVolume() != fDefaultSettings.volume;
}
bool
Settings::IsRevertable()
{
return SwapEnabled() != fInitialSettings.enabled
|| SwapAutomatic() != fInitialSettings.automatic
|| SwapSize() != fInitialSettings.size
|| SwapVolume() != fInitialSettings.volume;
}
TInt E32Main()
{
test.Title();
test.Start(_L("Writable Data Paging Soak Test"));
ParseCommandLine();
if (DPTest::Attributes() & DPTest::ERomPaging)
test.Printf(_L("Rom paging supported\n"));
if (DPTest::Attributes() & DPTest::ECodePaging)
test.Printf(_L("Code paging supported\n"));
if (DPTest::Attributes() & DPTest::EDataPaging)
test.Printf(_L("Data paging supported\n"));
TInt totalRamSize;
HAL::Get(HAL::EMemoryRAM,totalRamSize);
HAL::Get(HAL::EMemoryPageSize,gPageSize);
test.Printf(_L("Total RAM size 0x%08X bytes"),totalRamSize);
test.Printf(_L(" Swap size 0x%08X bytes"),SwapSize());
test.Printf(_L(" Page size 0x%08X bytes\n"),gPageSize);
CacheSize(gMin,gMax);
if ((DPTest::Attributes() & DPTest::EDataPaging) == 0)
{
test.Printf(_L("Writable Demand Paging not supported\n"));
test.End();
return 0;
}
ShowMemoryUse();
//User::SetDebugMask(0x00000008); //KMMU
//User::SetDebugMask(0x00000080); //KEXEC
//User::SetDebugMask(0x90000000); //KPANIC KMMU2
//User::SetDebugMask(0x40000000, 1); //KPAGING
if (gChunkSize)
{
CreateChunk (&gChunk[gNextChunk], gChunkSize);
ReadChunk (&gChunk[gNextChunk]);
ShowMemoryUse();
gNextChunk++;
}
CActiveScheduler* myScheduler = new (ELeave) CActiveScheduler();
CActiveScheduler::Install(myScheduler);
CActiveConsole* myActiveConsole = new CActiveConsole();
myActiveConsole->GetCharacter();
CActiveScheduler::Start();
test.End();
return 0;
}
void CAnimatedAlphaWindow::OnKeyUp( UINT nChar, UINT nRepCnt, UINT nFlags )
{
if (nChar == 'A')
{
SwapSize();
Update();
}
if (nChar == ' ')
{
if (mCurrentDrawer == mD2DWICDrawer.get())
mCurrentDrawer = (IDrawer *)mGdiDrawer.get();
else
mCurrentDrawer = (IDrawer *)mD2DWICDrawer.get();
Update();
}
if (nChar == 'J' || nChar == 'K')
{
double newSweep = (nChar == 'K' ? mCurrentSweep + 15. : mCurrentSweep - 15.);
AnimateSweepTo(newSweep);
mCurrentSweep = newSweep;
}
}
