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Dump stack trace on hvc_remove

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Rodrigo Arias 2024-07-08 08:55:50 +02:00
parent aaca0bb2e6
commit 87b4c91813
1 changed files with 11 additions and 0 deletions
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lagarto-ox.nix
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@ -93,6 +93,17 @@
'' ''
echo 0 > /proc/sys/vm/compaction_proactiveness echo 0 > /proc/sys/vm/compaction_proactiveness
'' ''
+
# Show stacktrace on calls to the hvc_remove function.
''
echo "Mount debugfs"
mkdir -p /sys/kernel/debug/
mount -t debugfs none /sys/kernel/debug/
td=/sys/kernel/debug/tracing
echo hvc_remove > $td/set_ftrace_filter
echo function > $td/current_tracer
echo 1 > $td/options/func_stack_trace
''
# FIXME: Disable sched_switch for now, as it still hangs the boot... # FIXME: Disable sched_switch for now, as it still hangs the boot...
# + # +
# # Exclude the second pid, which is the kthread that will dump the trace to # # Exclude the second pid, which is the kthread that will dump the trace to