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torture: Add function graph-tracing cheat sheet

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Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
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Paul E. McKenney
2019-05-01 13:26:11 -07:00
parent 7dedfd4335
commit cd6cb7c8a5
1 changed files with 2 additions and 0 deletions
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2
tools/testing/selftests/rcutorture/bin/kvm.sh
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@@ -464,3 +464,5 @@ else
fi
# Tracing: trace_event=rcu:rcu_grace_period,rcu:rcu_future_grace_period,rcu:rcu_grace_period_init,rcu:rcu_nocb_wake,rcu:rcu_preempt_task,rcu:rcu_unlock_preempted_task,rcu:rcu_quiescent_state_report,rcu:rcu_fqs,rcu:rcu_callback,rcu:rcu_kfree_callback,rcu:rcu_batch_start,rcu:rcu_invoke_callback,rcu:rcu_invoke_kfree_callback,rcu:rcu_batch_end,rcu:rcu_torture_read,rcu:rcu_barrier
# Function-graph tracing: ftrace=function_graph ftrace_graph_filter=sched_setaffinity,migration_cpu_stop
# Also --kconfig "CONFIG_FUNCTION_TRACER=y CONFIG_FUNCTION_GRAPH_TRACER=y"