android_emulator.md: Mention -no-audio for >10 emulators
TBR=agrieve # docs update
Change-Id: Id456cd7aa55a382e22be50e4c05f45f27fe71cdc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1631118
Reviewed-by: Andrew Grieve <[email protected]>
Commit-Queue: Andrew Grieve <[email protected]>
Cr-Commit-Position: refs/heads/master@{#663637}
diff --git a/docs/android_emulator.md b/docs/android_emulator.md
index 2f78114a..b14f9ff 100644
--- a/docs/android_emulator.md
+++ b/docs/android_emulator.md
@@ -91,8 +91,10 @@
https://androidstudio.googleblog.com/2018/11/emulator-28016-stable.html)
for more about how this works.
```shell
-$ # Start 12 emulators. Press Ctrl-C to stop them all.
-$ ( for i in $(seq 12); do ~/Android/Sdk/emulator/emulator @EMULATOR_ID -read-only & done; wait )
+$ # Start 8 emulators. Press Ctrl-C to stop them all.
+$ ( for i in $(seq 8); do ~/Android/Sdk/emulator/emulator @EMULATOR_ID -read-only & done; wait )
+$ # Start 12 emulators. More than 10 requires disabling audio on some OS's. Reducing cores increases paralellism.
+$ ( for i in $(seq 12); do ~/Android/Sdk/emulator/emulator @EMULATOR_ID -read-only -no-audio -cores 2 & done; wait )
```
### Writable system partition
