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Merge pull request #2059 from sipa/benchmark

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Add -benchmark for reporting block processing times
This commit is contained in:
Gavin Andresen 2012-12-12 09:14:52 -08:00
commit 043a8fb98d
4 changed files with 28 additions and 0 deletions
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1
src/init.cpp
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@ -481,6 +481,7 @@ bool AppInit2()
// ********************************************************* Step 3: parameter-to-internal-flags
fDebug = GetBoolArg("-debug");
fBenchmark = GetBoolArg("-benchmark");
// -debug implies fDebug*
if (fDebug)

20
src/main.cpp
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@ -42,6 +42,7 @@ set<CBlockIndex*, CBlockIndexWorkComparator> setBlockIndexValid; // may contain
int64 nTimeBestReceived = 0;
bool fImporting = false;
bool fReindex = false;
bool fBenchmark = false;
unsigned int nCoinCacheSize = 5000;
CMedianFilter<int> cPeerBlockCounts(5, 0); // Amount of blocks that other nodes claim to have
@ -1593,12 +1594,16 @@ bool CBlock::ConnectBlock(CBlockIndex* pindex, CCoinsViewCache &view, bool fJust
CBlockUndo blockundo;
int64 nStart = GetTimeMicros();
int64 nFees = 0;
int nInputs = 0;
unsigned int nSigOps = 0;
for (unsigned int i=0; i<vtx.size(); i++)
{
const CTransaction &tx = vtx[i];
nInputs += tx.vin.size();
nSigOps += tx.GetLegacySigOpCount();
if (nSigOps > MAX_BLOCK_SIGOPS)
return DoS(100, error("ConnectBlock() : too many sigops"));
@ -1629,7 +1634,11 @@ bool CBlock::ConnectBlock(CBlockIndex* pindex, CCoinsViewCache &view, bool fJust
return error("ConnectBlock() : UpdateInputs failed");
if (!tx.IsCoinBase())
blockundo.vtxundo.push_back(txundo);
}
int64 nTime = GetTimeMicros() - nStart;
if (fBenchmark)
printf("- Connect %u transactions: %.2fms (%.3fms/tx, %.3fms/txin)\n", (unsigned)vtx.size(), 0.001 * nTime, 0.001 * nTime / vtx.size(), nInputs <= 1 ? 0 : 0.001 * nTime / (nInputs-1));
if (vtx[0].GetValueOut() > GetBlockValue(pindex->nHeight, nFees))
return error("ConnectBlock() : coinbase pays too much (actual=%"PRI64d" vs limit=%"PRI64d")", vtx[0].GetValueOut(), GetBlockValue(pindex->nHeight, nFees));
@ -1727,8 +1736,11 @@ bool SetBestChain(CBlockIndex* pindexNew)
CBlock block;
if (!block.ReadFromDisk(pindex))
return error("SetBestBlock() : ReadFromDisk for disconnect failed");
int64 nStart = GetTimeMicros();
if (!block.DisconnectBlock(pindex, view))
return error("SetBestBlock() : DisconnectBlock %s failed", BlockHashStr(pindex->GetBlockHash()).c_str());
if (fBenchmark)
printf("- Disconnect: %.2fms\n", (GetTimeMicros() - nStart) * 0.001);
// Queue memory transactions to resurrect.
// We only do this for blocks after the last checkpoint (reorganisation before that
@ -1744,11 +1756,14 @@ bool SetBestChain(CBlockIndex* pindexNew)
CBlock block;
if (!block.ReadFromDisk(pindex))
return error("SetBestBlock() : ReadFromDisk for connect failed");
int64 nStart = GetTimeMicros();
if (!block.ConnectBlock(pindex, view)) {
InvalidChainFound(pindexNew);
InvalidBlockFound(pindex);
return error("SetBestBlock() : ConnectBlock %s failed", BlockHashStr(pindex->GetBlockHash()).c_str());
}
if (fBenchmark)
printf("- Connect: %.2fms\n", (GetTimeMicros() - nStart) * 0.001);
// Queue memory transactions to delete
BOOST_FOREACH(const CTransaction& tx, block.vtx)
@ -1756,8 +1771,13 @@ bool SetBestChain(CBlockIndex* pindexNew)
}
// Flush changes to global coin state
int64 nStart = GetTimeMicros();
int nModified = view.GetCacheSize();
if (!view.Flush())
return error("SetBestBlock() : unable to modify coin state");
int64 nTime = GetTimeMicros() - nStart;
if (fBenchmark)
printf("- Flush %i transactions: %.2fms (%.4fms/tx)\n", nModified, 0.001 * nTime, 0.001 * nTime / nModified);
// Make sure it's successfully written to disk before changing memory structure
bool fIsInitialDownload = IsInitialBlockDownload();

1
src/main.h
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@ -89,6 +89,7 @@ extern std::set<CWallet*> setpwalletRegistered;
extern unsigned char pchMessageStart[4];
extern bool fImporting;
extern bool fReindex;
extern bool fBenchmark;
extern unsigned int nCoinCacheSize;
// Settings

6
src/util.h
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@ -330,6 +330,12 @@ inline int64 GetTimeMillis()
boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_milliseconds();
}
inline int64 GetTimeMicros()
{
return (boost::posix_time::ptime(boost::posix_time::microsec_clock::universal_time()) -
boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_microseconds();
}
inline std::string DateTimeStrFormat(const char* pszFormat, int64 nTime)
{
time_t n = nTime;