diff options
| -rw-r--r-- | src/libexpr/eval.cc | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc index 9ebf6293bb85..fa31a85a06fd 100644 --- a/src/libexpr/eval.cc +++ b/src/libexpr/eval.cc @@ -7,6 +7,8 @@ #include <cstring> #include <unistd.h> +#include <sys/time.h> +#include <sys/resource.h> #if HAVE_BOEHMGC @@ -1279,12 +1281,18 @@ bool EvalState::eqValues(Value & v1, Value & v2) void EvalState::printStats() { - char x; bool showStats = getEnv("NIX_SHOW_STATS", "0") != "0"; Verbosity v = showStats ? lvlInfo : lvlDebug; printMsg(v, "evaluation statistics:"); + + struct rusage buf; + getrusage(RUSAGE_SELF, &buf); + float cpuTime = buf.ru_utime.tv_sec + ((float) buf.ru_utime.tv_usec / 1000000); + + printMsg(v, format(" time elapsed: %1%") % cpuTime); printMsg(v, format(" size of a value: %1%") % sizeof(Value)); printMsg(v, format(" expressions evaluated: %1%") % nrEvaluated); + char x; printMsg(v, format(" stack space used: %1% bytes") % (&x - deepestStack)); printMsg(v, format(" max eval() nesting depth: %1%") % maxRecursionDepth); printMsg(v, format(" stack space per eval() level: %1% bytes") |