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perfprofd: allow traversing sysfs directories.

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Bug: 70275668
Test: walleye builds, boots.
This change only expands the existing permissions, so shouldn't regress
runtime behavior.
Change-Id: I36e63f11d78998a88e3f8d1e6913e20762a359af
This commit is contained in:
Tri Vo 2017-12-13 14:37:07 -08:00
parent 40ed4283e4
commit ae20791517
1 changed files with 3 additions and 0 deletions
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public/perfprofd.te
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@ -7,6 +7,9 @@ userdebug_or_eng(`
typeattribute perfprofd coredomain;
typeattribute perfprofd mlstrustedsubject;
# perfprofd access to sysfs directory structure.
allow perfprofd sysfs_type:dir search;
# perfprofd needs to control CPU hot-plug in order to avoid kernel
# perfevents problems in cases where CPU goes on/off during measurement;
# this means read access to /sys/devices/system/cpu/possible