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Add some basic statistics to the disk model

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--HG--
extra : convert_revision : 0f3a45745b0122de64a2f434604a474df04f2938
This commit is contained in:
Ron Dreslinski
2006-03-29 14:27:10 -05:00
parent 9e39454f58
commit e881f8ce2a
2 changed files with 64 additions and 0 deletions
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50
dev/ide_disk.cc
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@@ -377,6 +377,37 @@ IdeDisk::dmaPrdReadDone()
doDmaWrite();
}
void
IdeDisk::regStats()
{
using namespace Stats;
dmaReadFullPages
.name(name() + ".dma_read_full_pages")
.desc("Number of full page size DMA reads (not PRD).")
;
dmaReadBytes
.name(name() + ".dma_read_bytes")
.desc("Number of bytes transfered via DMA reads (not PRD).")
;
dmaReadTxs
.name(name() + ".dma_read_txs")
.desc("Number of DMA read transactions (not PRD).")
;
dmaWriteFullPages
.name(name() + ".dma_write_full_pages")
.desc("Number of full page size DMA writes.")
;
dmaWriteBytes
.name(name() + ".dma_write_bytes")
.desc("Number of bytes transfered via DMA writes.")
;
dmaWriteTxs
.name(name() + ".dma_write_txs")
.desc("Number of DMA write transactions.")
;
}
void
IdeDisk::doDmaRead()
{
@@ -399,6 +430,10 @@ IdeDisk::doDmaRead()
dmaInterfaceBytes = bytesInPage;
if (bytesInPage == TheISA::VMPageSize)
dmaReadFullPages++;
dmaReadBytes += bytesInPage;
dmaReadTxs++;
dmaInterface->doDMA(Read, dmaAddr, bytesInPage,
curTick + totalDiskDelay, &dmaReadEvent);
} else {
@@ -430,6 +465,11 @@ IdeDisk::dmaReadDone()
bytesInPage = bytesInDmaPage(curAddr, bytesLeft);
dmaInterfaceBytes += bytesInPage;
if (bytesInPage == TheISA::VMPageSize)
dmaReadFullPages++;
dmaReadBytes += bytesInPage;
dmaReadTxs++;
dmaInterface->doDMA(Read, dmaAddr, bytesInPage,
curTick, &dmaReadEvent);
@@ -504,6 +544,11 @@ IdeDisk::doDmaWrite()
dmaInterfaceBytes = bytesInPage;
if (bytesInPage == TheISA::VMPageSize)
dmaWriteFullPages++;
dmaWriteBytes += bytesInPage;
dmaWriteTxs++;
dmaInterface->doDMA(WriteInvalidate, dmaAddr,
bytesInPage, curTick + totalDiskDelay,
&dmaWriteEvent);
@@ -535,6 +580,11 @@ IdeDisk::dmaWriteDone()
bytesInPage = bytesInDmaPage(curAddr, bytesLeft);
dmaInterfaceBytes += bytesInPage;
if (bytesInPage == TheISA::VMPageSize)
dmaWriteFullPages++;
dmaWriteBytes += bytesInPage;
dmaWriteTxs++;
dmaInterface->doDMA(WriteInvalidate, dmaAddr,
bytesInPage, curTick,
&dmaWriteEvent);