diff --git a/private/untrusted_app_all.te b/private/untrusted_app_all.te
index b4561fa..773cd2e 100644
--- a/private/untrusted_app_all.te
+++ b/private/untrusted_app_all.te
@@ -171,6 +171,11 @@
   allow untrusted_app_all self:lockdown integrity;
 ')
 
+# Allow signalling simpleperf domain, which is the domain that the simpleperf
+# profiler runs as when executed by the app. The signals are used to control
+# the profiler (which would be profiling the app that is sending the signal).
+allow untrusted_app_all simpleperf:process signal;
+
 # Allow running a VM for test/demo purposes
 userdebug_or_eng(`
   virtualizationservice_use(untrusted_app_all)