diff options
| -rw-r--r-- | src/metrics.h | 7 | ||||
| -rw-r--r-- | src/parser.cc | 5 |
2 files changed, 11 insertions, 1 deletions
diff --git a/src/metrics.h b/src/metrics.h index c9ba236..937d905 100644 --- a/src/metrics.h +++ b/src/metrics.h @@ -85,6 +85,13 @@ struct Stopwatch { g_metrics ? g_metrics->NewMetric(name) : NULL; \ ScopedMetric metrics_h_scoped(metrics_h_metric); +/// A variant of METRIC_RECORD that doesn't record anything if |condition| +/// is false. +#define METRIC_RECORD_IF(name, condition) \ + static Metric* metrics_h_metric = \ + g_metrics ? g_metrics->NewMetric(name) : NULL; \ + ScopedMetric metrics_h_scoped((condition) ? metrics_h_metric : NULL); + extern Metrics* g_metrics; #endif // NINJA_METRICS_H_ diff --git a/src/parser.cc b/src/parser.cc index 5f303c5..139a347 100644 --- a/src/parser.cc +++ b/src/parser.cc @@ -20,7 +20,10 @@ using namespace std; bool Parser::Load(const string& filename, string* err, Lexer* parent) { - METRIC_RECORD(".ninja parse"); + // If |parent| is not NULL, metrics collection has been started by a parent + // Parser::Load() in our call stack. Do not start a new one here to avoid + // over-counting parsing times. + METRIC_RECORD_IF(".ninja parse", parent == NULL); string contents; string read_err; if (file_reader_->ReadFile(filename, &contents, &read_err) != |