Filing Memory Bugs

This page describes the common set of steps for filing a memory bug.

1. Grab platform-specific measurements.
   • macOS
   • Windows
   • Linux
2. Grab a memory-infra trace.
3. File a bug on crbug.com. Attach screenshots and traces from previous steps.

Windows

Task Manager

• Open Task Manager.
• Select the Details pane.
• Right click the first row with column names. Select Select Columns.
  • Select Memory (private working set)
  • Select Memory (shared working set)
  • Select Commit size
• Sort processes with highest Memory (private working set) first by clicking once on the column name.
• Take a screenshot using Snipping Tool

macOS

Step 1 - Activity Monitor

• Open Activity Monitor, Select the Memory Tab.
• Under the View Menu, select the Real Private Memory and Real Memory columns.
• Sort processes with highest Private Memory first by clicking once on Private Memory.
• Take a screenshot by pressing cmd + shift + 3.
• You can also use cmd + shift + 4 to manually select a region on the screen to save.

Step 2 - Terminal

• Open the Terminal application.
• Run the following command and report the results. vm_stat

Linux

/proc/meminfo

• Open a shell.
• Run the command cat /proc/meminfo
• Record the results.

<a name="memory-infra"></a> Memory-Infra Trace

• Open a new chrome tab and navigate to chrome://tracing
• Click Record in the top left corner.
• Click the button Manually select settings and click None under the left column to unselect everything.
• Under the right column, select memory-infra
• Click Record. Wait for five seconds. Then click stop.
• Click the Save button in the top left corner a pick a name for the trace.