Set up file permissions for hyp tracing instance
Bug: 249050813
Test: adb shell ls -alZ /sys/kernel/tracing/hyp
Test: record hyp events via perfetto
Change-Id: I7a9090591828e4c16069b081b0794350ca839376
diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index ea5d602..dff4c44 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -398,6 +398,103 @@
chmod 0666 /sys/kernel/debug/tracing/instances/mm_events/per_cpu/cpu23/trace
chmod 0666 /sys/kernel/tracing/instances/mm_events/per_cpu/cpu23/trace
+# Handle hyp tracing instance
+on late-init && property:ro.boot.hypervisor.vm.supported=1
+
+# Hypervisor tracing instance doesn't support changing trace_clock
+ chmod 0440 /sys/kernel/debug/tracing/hyp/trace_clock
+ chmod 0440 /sys/kernel/tracing/hyp/trace_clock
+
+ chmod 0660 /sys/kernel/debug/tracing/hyp/buffer_size_kb
+ chmod 0660 /sys/kernel/tracing/hyp/buffer_size_kb
+
+ chmod 0660 /sys/kernel/debug/tracing/hyp/tracing_on
+ chmod 0660 /sys/kernel/tracing/hyp/tracing_on
+
+# Tracing disabled by default
+ write /sys/kernel/debug/tracing/hyp/tracing_on 0
+ write /sys/kernel/tracing/hyp/tracing_on 0
+
+# Read and truncate the hyp trace.
+ chmod 0660 /sys/kernel/debug/tracing/hyp/trace
+ chmod 0660 /sys/kernel/tracing/hyp/trace
+
+# Read and truncate the per-CPU kernel trace.
+# Cannot use wildcards in .rc files. Update this if there is a phone with
+# TODO(b/249050813, ioffe): introduce per-cpu wildcard
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu0/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu0/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu1/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu1/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu2/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu2/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu3/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu3/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu4/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu4/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu5/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu5/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu6/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu6/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu7/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu7/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu8/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu8/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu9/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu9/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu10/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu10/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu11/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu11/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu12/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu12/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu13/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu13/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu14/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu14/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu15/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu15/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu16/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu16/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu17/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu17/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu18/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu18/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu19/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu19/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu20/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu20/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu21/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu21/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu22/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu22/trace
+ chmod 0660 /sys/kernel/debug/tracing/hyp/per_cpu/cpu23/trace
+ chmod 0660 /sys/kernel/tracing/hyp/per_cpu/cpu23/trace
+
+ chmod 0440 /sys/kernel/debug/tracing/hyp/events/header_page
+ chmod 0440 /sys/kernel/tracing/hyp/events/header_page
+
+# Hyp events start here
+
+# hyp_enter event
+ chmod 0660 /sys/kernel/debug/tracing/hyp/events/hyp/hyp_enter/enable
+ chmod 0660 /sys/kernel/tracing/hyp/events/hyp/hyp_enter/enable
+# TODO(b/249050813): should this be handled in kernel?
+ chmod 0440 /sys/kernel/debug/tracing/hyp/events/hyp/hyp_enter/format
+ chmod 0440 /sys/kernel/tracing/hyp/events/hyp/hyp_enter/format
+ chmod 0440 /sys/kernel/debug/tracing/hyp/events/hyp/hyp_enter/id
+ chmod 0440 /sys/kernel/tracing/hyp/events/hyp/hyp_enter/id
+
+# hyp_exit event
+ chmod 0660 /sys/kernel/debug/tracing/hyp/events/hyp/hyp_exit/enable
+ chmod 0660 /sys/kernel/tracing/hyp/events/hyp/hyp_exit/enable
+# TODO(b/249050813): should this be handled in kernel?
+ chmod 0440 /sys/kernel/debug/tracing/hyp/events/hyp/hyp_exit/format
+ chmod 0440 /sys/kernel/tracing/hyp/events/hyp/hyp_exit/format
+ chmod 0440 /sys/kernel/debug/tracing/hyp/events/hyp/hyp_exit/id
+ chmod 0440 /sys/kernel/tracing/hyp/events/hyp/hyp_exit/id
+
+
on property:persist.debug.atrace.boottrace=1
start boottrace