diff options
| author | Eelco Dolstra <e.dolstra@tudelft.nl> | 2006-05-08T10·00+0000 |
|---|---|---|
| committer | Eelco Dolstra <e.dolstra@tudelft.nl> | 2006-05-08T10·00+0000 |
| commit | 310e605995dc104bee29d330ac135e3e2bb82f97 (patch) | |
| tree | f020fe0f638f1c5f820fdfcebcadabc71fb07b3b /src/libexpr/eval.cc | |
| parent | 0832956089516d32371060c98df4f8d0cbff2b0f (diff) | |
* Show evaluation stats when NIX_SHOW_STATS=1.
Diffstat (limited to 'src/libexpr/eval.cc')
| -rw-r--r-- | src/libexpr/eval.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc index 38f198fb86ca..ee17c996c6f9 100644 --- a/src/libexpr/eval.cc +++ b/src/libexpr/eval.cc @@ -527,9 +527,12 @@ extern "C" { void printEvalStats(EvalState & state) { - printMsg(lvlInfo, + bool showStats = getEnv("NIX_SHOW_STATS", "0") != "0"; + printMsg(showStats ? lvlInfo : lvlDebug, format("evaluated %1% expressions, %2% cache hits, %3%%% efficiency, used %4% ATerm bytes") % state.nrEvaluated % state.nrCached % ((float) state.nrCached / (float) state.nrEvaluated * 100) % AT_calcAllocatedSize()); + if (showStats) + printATermMapStats(); } |