Improve command in README

filiph · filiph · commit 40750a44ba9e · 2021-06-30T16:29:40.000-07:00
diff --git a/benchmark/README.md b/benchmark/README.md
@@ -6,6 +6,20 @@ Run the following to gather new benchmark data:
 $ flutter drive --target=benchmark/app.dart --driver=benchmark/app_benchmark.dart --profile --endless-trace-buffer --purge-persistent-cache
 ```
 
+You can do many runs one after another to minimize the effect of random noise
+in measurements.
+
+```text
+for n in {1..10}; do echo "=== Run number ${n}/10 ==="; \
+  flutter drive \
+    --target=benchmark/app.dart \
+    --driver=benchmark/app_benchmark.dart \
+    --profile \
+    --endless-trace-buffer \
+    --purge-persistent-cache; \
+done
+```
+
 You can also run short benchmarks in quick succession, without `--endless-trace-buffer`.
 This might be useful if you have a very specific issue somewhere and want only that.
 
