Index: tools/perf/metrics/system_memory.py |
diff --git a/tools/perf/metrics/system_memory.py b/tools/perf/metrics/system_memory.py |
index ec3ce2e9ed542b9004411df223a94fa89c53a09f..ea02fbddbf6ef9501bca10d9ebb150605965edb5 100644 |
--- a/tools/perf/metrics/system_memory.py |
+++ b/tools/perf/metrics/system_memory.py |
@@ -117,7 +117,7 @@ def _SubtractMemoryStats(end_memory_stats, start_memory_stats): |
else: |
for metric in end_process_memory: |
end_value = end_process_memory[metric] |
- start_value = start_memory_stats[process_type][metric] or 0 |
+ start_value = start_memory_stats[process_type].get(metric, 0) |
if 'Peak' in metric: |
memory_stats[process_type][metric] = end_value |
else: |