Diagnostics (Application)

Set the desktop app’s log level, capture memory diagnostics for a report, and read the app’s recent logs.

Diagnostics in the Application group covers the Traycer app itself: this window’s logging and memory, whichever host it points at. For the selected host’s logs and log levels, use Diagnostics in the Host group; see Diagnostics (Host).

These controls are in the desktop app.

Log Detail

App log level sets how much the desktop app writes to its own log. It applies to this app, not to a host.

Level	Use it for
Trace	The most detail.
Debug	Capturing a problem for support.
Info	Normal use. This is the default.
Warn	Warnings and errors only.
Error	Errors only.

When you capture logs for support, raise the level to Debug, reproduce the problem, then set it back. While a level differs from Info, the group reminds you, and Reset all to Info puts it back.

Memory

Use these when reporting high memory use.

• Capture heap snapshot writes a heap snapshot of this window for a memory report and shows the file’s path with a Copy button. The app stops responding while the snapshot is written, and the file can be several gigabytes.
• Measure JS heaps lists every JavaScript heap in this window: the page and each background worker it runs, with live, committed, embedder and backing memory for each. A heap snapshot covers the page only, so this accounts for the rest. It doesn’t freeze the app.

Recent Logs

Recent logs shows the last 100 lines of the desktop app’s log (Desktop Log). Expand it to read the lines, then:

• Copy copies the lines shown.
• Reveal shows the log file in your file manager.

To send these logs with a bug report, see Troubleshooting.