diff options
| -rw-r--r-- | base/histogram.cc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/base/histogram.cc b/base/histogram.cc index 825d286..173cf40 100644 --- a/base/histogram.cc +++ b/base/histogram.cc @@ -554,9 +554,9 @@ bool StatisticsRecorder::Register(const Histogram& histogram) { const std::string name = histogram.histogram_name(); AutoLock auto_lock(*lock_); - DCHECK(histograms_->end() == histograms_->find(name)) << name << "is already" - "registered as a histogram. Only one histogram may be registered with a" - " given name"; + DCHECK(histograms_->end() == histograms_->find(name)) << name << " is already" + "registered as a histogram. Check for duplicate use of the name, or a " + "race where a static initializer could be run by several threads."; (*histograms_)[name] = &histogram; return true; } |