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Rework block processing benchmark code

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* Replace -benchmark (and the related fBenchmark) with a regular debug option, -debug=bench.
* Increase coverage and granularity of individual block processing steps.
* Add cummulative times.
This commit is contained in:
Pieter Wuille
2014-07-26 22:49:17 +02:00
parent 3955c3940e
commit d70bc52ee3
3 changed files with 41 additions and 17 deletions
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50
src/main.cpp
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@@ -45,7 +45,6 @@ CConditionVariable cvBlockChange;
int nScriptCheckThreads = 0;
bool fImporting = false;
bool fReindex = false;
bool fBenchmark = false;
bool fTxIndex = false;
bool fIsBareMultisigStd = true;
unsigned int nCoinCacheSize = 5000;
@@ -1680,6 +1679,12 @@ void ThreadScriptCheck() {
scriptcheckqueue.Thread();
}
static int64_t nTimeVerify = 0;
static int64_t nTimeConnect = 0;
static int64_t nTimeIndex = 0;
static int64_t nTimeCallbacks = 0;
static int64_t nTimeTotal = 0;
bool ConnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, CCoinsViewCache& view, bool fJustCheck)
{
AssertLockHeld(cs_main);
@@ -1735,7 +1740,7 @@ bool ConnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, C
CCheckQueueControl<CScriptCheck> control(fScriptChecks && nScriptCheckThreads ? &scriptcheckqueue : NULL);
int64_t nStart = GetTimeMicros();
int64_t nTimeStart = GetTimeMicros();
int64_t nFees = 0;
int nInputs = 0;
unsigned int nSigOps = 0;
@@ -1785,9 +1790,8 @@ bool ConnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, C
vPos.push_back(std::make_pair(tx.GetHash(), pos));
pos.nTxOffset += ::GetSerializeSize(tx, SER_DISK, CLIENT_VERSION);
}
int64_t nTime = GetTimeMicros() - nStart;
if (fBenchmark)
LogPrintf("- Connect %u transactions: %.2fms (%.3fms/tx, %.3fms/txin)\n", (unsigned)block.vtx.size(), 0.001 * nTime, 0.001 * nTime / block.vtx.size(), nInputs <= 1 ? 0 : 0.001 * nTime / (nInputs-1));
int64_t nTime1 = GetTimeMicros(); nTimeConnect += nTime1 - nTimeStart;
LogPrint("bench", " - Connect %u transactions: %.2fms (%.3fms/tx, %.3fms/txin) [%.2fs]\n", (unsigned)block.vtx.size(), 0.001 * (nTime1 - nTimeStart), 0.001 * (nTime1 - nTimeStart) / block.vtx.size(), nInputs <= 1 ? 0 : 0.001 * (nTime1 - nTimeStart) / (nInputs-1), nTimeConnect * 0.000001);
if (block.vtx[0].GetValueOut() > GetBlockValue(pindex->nHeight, nFees))
return state.DoS(100,
@@ -1797,9 +1801,8 @@ bool ConnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, C
if (!control.Wait())
return state.DoS(100, false);
int64_t nTime2 = GetTimeMicros() - nStart;
if (fBenchmark)
LogPrintf("- Verify %u txins: %.2fms (%.3fms/txin)\n", nInputs - 1, 0.001 * nTime2, nInputs <= 1 ? 0 : 0.001 * nTime2 / (nInputs-1));
int64_t nTime2 = GetTimeMicros(); nTimeVerify += nTime2 - nTimeStart;
LogPrint("bench", " - Verify %u txins: %.2fms (%.3fms/txin) [%.2fs]\n", nInputs - 1, 0.001 * (nTime2 - nTimeStart), nInputs <= 1 ? 0 : 0.001 * (nTime2 - nTimeStart) / (nInputs-1), nTimeVerify * 0.000001);
if (fJustCheck)
return true;
@@ -1840,6 +1843,9 @@ bool ConnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, C
ret = view.SetBestBlock(pindex->GetBlockHash());
assert(ret);
int64_t nTime3 = GetTimeMicros(); nTimeIndex += nTime3 - nTime2;
LogPrint("bench", " - Index writing: %.2fms [%.2fs]\n", 0.001 * (nTime3 - nTime2), nTimeIndex * 0.000001);
// Watch for transactions paying to me
BOOST_FOREACH(const CTransaction& tx, block.vtx)
g_signals.SyncTransaction(tx, &block);
@@ -1849,6 +1855,9 @@ bool ConnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, C
g_signals.UpdatedTransaction(hashPrevBestCoinBase);
hashPrevBestCoinBase = block.vtx[0].GetHash();
int64_t nTime4 = GetTimeMicros(); nTimeCallbacks += nTime4 - nTime3;
LogPrint("bench", " - Callbacks: %.2fms [%.2fs]\n", 0.001 * (nTime4 - nTime3), nTimeCallbacks * 0.000001);
return true;
}
@@ -1928,8 +1937,7 @@ bool static DisconnectTip(CValidationState &state) {
return error("DisconnectTip() : DisconnectBlock %s failed", pindexDelete->GetBlockHash().ToString());
assert(view.Flush());
}
if (fBenchmark)
LogPrintf("- Disconnect: %.2fms\n", (GetTimeMicros() - nStart) * 0.001);
LogPrint("bench", "- Disconnect block: %.2fms\n", (GetTimeMicros() - nStart) * 0.001);
// Write the chain state to disk, if necessary.
if (!WriteChainState(state))
return false;
@@ -1953,16 +1961,25 @@ bool static DisconnectTip(CValidationState &state) {
return true;
}
static int64_t nTimeReadFromDisk = 0;
static int64_t nTimeConnectTotal = 0;
static int64_t nTimeFlush = 0;
static int64_t nTimeChainState = 0;
static int64_t nTimePostConnect = 0;
// Connect a new block to chainActive.
bool static ConnectTip(CValidationState &state, CBlockIndex *pindexNew) {
assert(pindexNew->pprev == chainActive.Tip());
mempool.check(pcoinsTip);
// Read block from disk.
int64_t nTime1 = GetTimeMicros();
CBlock block;
if (!ReadBlockFromDisk(block, pindexNew))
return state.Abort(_("Failed to read block"));
// Apply the block atomically to the chain state.
int64_t nStart = GetTimeMicros();
int64_t nTime2 = GetTimeMicros(); nTimeReadFromDisk += nTime2 - nTime1;
int64_t nTime3;
LogPrint("bench", " - Load block from disk: %.2fms [%.2fs]\n", (nTime2 - nTime1) * 0.001, nTimeReadFromDisk * 0.000001);
{
CCoinsViewCache view(*pcoinsTip, true);
CInv inv(MSG_BLOCK, pindexNew->GetBlockHash());
@@ -1972,13 +1989,17 @@ bool static ConnectTip(CValidationState &state, CBlockIndex *pindexNew) {
return error("ConnectTip() : ConnectBlock %s failed", pindexNew->GetBlockHash().ToString());
}
mapBlockSource.erase(inv.hash);
nTime3 = GetTimeMicros(); nTimeConnectTotal += nTime3 - nTime2;
LogPrint("bench", " - Connect total: %.2fms [%.2fs]\n", (nTime3 - nTime2) * 0.001, nTimeConnectTotal * 0.000001);
assert(view.Flush());
}
if (fBenchmark)
LogPrintf("- Connect: %.2fms\n", (GetTimeMicros() - nStart) * 0.001);
int64_t nTime4 = GetTimeMicros(); nTimeFlush += nTime4 - nTime3;
LogPrint("bench", " - Flush: %.2fms [%.2fs]\n", (nTime4 - nTime3) * 0.001, nTimeFlush * 0.000001);
// Write the chain state to disk, if necessary.
if (!WriteChainState(state))
return false;
int64_t nTime5 = GetTimeMicros(); nTimeChainState += nTime5 - nTime4;
LogPrint("bench", " - Writing chainstate: %.2fms [%.2fs]\n", (nTime5 - nTime4) * 0.001, nTimeChainState * 0.000001);
// Remove conflicting transactions from the mempool.
list<CTransaction> txConflicted;
mempool.removeForBlock(block.vtx, pindexNew->nHeight, txConflicted);
@@ -1994,6 +2015,9 @@ bool static ConnectTip(CValidationState &state, CBlockIndex *pindexNew) {
BOOST_FOREACH(const CTransaction &tx, block.vtx) {
SyncWithWallets(tx, &block);
}
int64_t nTime6 = GetTimeMicros(); nTimePostConnect += nTime6 - nTime5; nTimeTotal += nTime6 - nTime1;
LogPrint("bench", " - Connect postprocess: %.2fms [%.2fs]\n", (nTime6 - nTime5) * 0.001, nTimePostConnect * 0.000001);
LogPrint("bench", "- Connect block: %.2fms [%.2fs]\n", (nTime6 - nTime1) * 0.001, nTimeTotal * 0.000001);
return true;
}