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* Keep some more stats.

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This commit is contained in:
Eelco Dolstra 2010-10-20 15:48:00 +00:00
parent e879a0371b
commit 76feaf016a
2 changed files with 12 additions and 0 deletions
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9
src/libexpr/eval.cc
View file

@ -119,6 +119,7 @@ EvalState::EvalState()
{
nrEnvs = nrValuesInEnvs = nrValues = nrListElems = 0;
nrEvaluated = recursionDepth = maxRecursionDepth = 0;
nrAttrsets = nrOpUpdates = nrOpUpdateValuesCopied = 0;
deepestStack = (char *) -1;
createBaseEnv();
@ -294,6 +295,7 @@ void EvalState::mkAttrs(Value & v)
{
v.type = tAttrs;
v.attrs = new (UseGC) Bindings;
nrAttrsets++;
}
@ -758,6 +760,8 @@ void ExprOpUpdate::eval(EvalState & state, Env & env, Value & v)
state.evalAttrs(env, e1, v1);
state.evalAttrs(env, e2, v2);
state.nrOpUpdates++;
if (v1.attrs->size() == 0) { v = v2; return; }
if (v2.attrs->size() == 0) { v = v1; return; }
@ -768,6 +772,8 @@ void ExprOpUpdate::eval(EvalState & state, Env & env, Value & v)
mkCopy(a.value, i->second.value);
a.pos = i->second.pos;
}
state.nrOpUpdateValuesCopied += v.attrs->size();
}
@ -1107,6 +1113,9 @@ void EvalState::printStats()
% nrListElems % (nrListElems * sizeof(Value *)));
printMsg(v, format(" misc. values allocated: %1% (%2% bytes)")
% nrValues % (nrValues * sizeof(Value)));
printMsg(v, format(" attribute sets allocated: %1%") % nrAttrsets);
printMsg(v, format(" right-biased unions: %1%") % nrOpUpdates);
printMsg(v, format(" values copied in right-biased unions: %1%") % nrOpUpdateValuesCopied);
printMsg(v, format(" symbols in symbol table: %1%") % symbols.size());
}

3
src/libexpr/eval.hh
View file

@ -310,6 +310,9 @@ private:
unsigned long nrValues;
unsigned long nrListElems;
unsigned long nrEvaluated;
unsigned long nrAttrsets;
unsigned long nrOpUpdates;
unsigned long nrOpUpdateValuesCopied;
unsigned int recursionDepth;
unsigned int maxRecursionDepth;
char * deepestStack; /* for measuring stack usage */