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Allow perfetto to ingest logs on userdebug/eng

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When recording hour-long traces, logcat messages help
to interpret the trace, giving human readable context on what
is happening on the system.
Furthermore this is particularly helpful for startup
debugging thanks to activity manager instrumentation events
(am_on_create_called, am_on_start, ...).
This is only allowed on userdebug/eng builds.

Bug: 122243384
Change-Id: I4dfaebf21107e9853b0bf42403fbab6c3b4d5141
This commit is contained in:
Primiano Tucci 2019-01-10 20:07:51 +00:00
parent 0fa0d1e596
commit a64d5bb7ef
1 changed files with 3 additions and 1 deletions
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4
private/traced_probes.te
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@ -66,10 +66,12 @@ allow traced_probes {
proc_stat
}:file r_file_perms;
# Allow access to the IHealth HAL service for tracing battery counters.
hal_client_domain(traced_probes, hal_health)
# On debug builds allow to ingest system logs into the trace.
userdebug_or_eng(`read_logd(traced_probes)')
###
### Neverallow rules
###