perfetto-cmd: Reset guardrail state on boot

If the file exists:
$ adb logcat | grep init | grep perfetto
04-18 06:56:23.738     1     1 I init    : Parsing file /system/etc/init/perfetto.rc...
04-18 06:56:25.774     1     1 I init    : processing action (post-fs-data) from (/system/etc/init/perfetto.rc:67)
04-18 06:56:26.288     1     1 I init    : processing action (debug.atrace.user_initiated= && persist.traced.enable=1) from (/system/etc/init/perfetto.rc:47)
04-18 06:56:26.297     1     1 I init    : processing action (persist.traced.enable=1) from (/system/etc/init/perfetto.rc:50)

If the file does not exist:
$ adb logcat | grep init | grep perfetto
04-18 06:57:25.769     1     1 I init    : Parsing file /system/etc/init/perfetto.rc...
04-18 06:57:27.807     1     1 I init    : processing action (post-fs-data) from (/system/etc/init/perfetto.rc:67)
04-18 06:57:27.808     1     1 I init    : Command 'rm /data/misc/perfetto-traces/.guardraildata' action=post-fs-data (/system/etc/init/perfetto.rc:68) took 0ms and failed: unlink() failed: No such file or directory
04-18 06:57:28.279     1     1 I init    : processing action (debug.atrace.user_initiated= && persist.traced.enable=1) from (/system/etc/init/perfetto.rc:47)
04-18 06:57:28.280     1     1 I init    : processing action (persist.traced.enable=1) from (/system/etc/init/perfetto.rc:50

Bug: 144898560
Change-Id: I49406eb14a7df6e714b6a0948444173285904986
1 file changed
tree: 96ddb8aac1ee384793449f21f0a88fe6fb6dabbf
  1. bazel/
  2. build_overrides/
  3. buildtools/
  4. debian/
  5. docs/
  6. gn/
  7. include/
  8. infra/
  9. protos/
  10. src/
  11. test/
  12. tools/
  13. ui/
  14. .clang-format
  15. .gitignore
  16. .gn
  17. .style.yapf
  18. Android.bp
  19. Android.bp.extras
  20. BUILD
  21. BUILD.extras
  22. BUILD.gn
  23. codereview.settings
  24. heapprofd.rc
  25. MODULE_LICENSE_APACHE2
  26. NOTICE
  27. OWNERS
  28. perfetto.rc
  29. PRESUBMIT.py
  30. README.chromium
  31. README.md
  32. TEST_MAPPING
  33. WORKSPACE
README.md

Perfetto - Performance instrumentation and tracing

Perfetto is an open-source project for performance instrumentation and tracing of Linux/Android/Chrome platforms and user-space apps.

See www.perfetto.dev for docs.

Bugs

  • For bugs affecting Android or the tracing internals use the internal bug tracker (go/perfetto-bugs).
  • For bugs affecting Chrome use http://crbug.com, Component:Speed>Tracing label:Perfetto.

Community

You can reach us on our Discord channel. If you prefer using IRC we have an experimental Discord <> IRC bridge synced with #perfetto-dev on Freenode.