9a13a324f4
The call_rcu_tasks_rude() and rcu_barrier_tasks_rude() APIs are no longer. This commit therefore removes them from the rcu-updaters.sh script. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>
51 lines
1.8 KiB
Bash
Executable File
51 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
|
|
# SPDX-License-Identifier: GPL-2.0+
|
|
#
|
|
# Run bpftrace to obtain a histogram of the types of primitives used to
|
|
# initiate RCU grace periods. The count associated with rcu_gp_init()
|
|
# is the number of normal (non-expedited) grace periods.
|
|
#
|
|
# Usage: rcu-updaters.sh [ duration-in-seconds ]
|
|
#
|
|
# Note that not all kernel builds have all of these functions. In those
|
|
# that do not, this script will issue a diagnostic for each that is not
|
|
# found, but continue normally for the rest of the functions.
|
|
|
|
duration=${1}
|
|
if test -n "${duration}"
|
|
then
|
|
exitclause='interval:s:'"${duration}"' { exit(); }'
|
|
else
|
|
echo 'Hit control-C to end sample and print results.'
|
|
fi
|
|
bpftrace -e 'kprobe:kvfree_call_rcu,
|
|
kprobe:call_rcu,
|
|
kprobe:call_rcu_tasks,
|
|
kprobe:call_rcu_tasks_trace,
|
|
kprobe:call_srcu,
|
|
kprobe:rcu_barrier,
|
|
kprobe:rcu_barrier_tasks,
|
|
kprobe:rcu_barrier_tasks_trace,
|
|
kprobe:srcu_barrier,
|
|
kprobe:synchronize_rcu,
|
|
kprobe:synchronize_rcu_expedited,
|
|
kprobe:synchronize_rcu_tasks,
|
|
kprobe:synchronize_rcu_tasks_rude,
|
|
kprobe:synchronize_rcu_tasks_trace,
|
|
kprobe:synchronize_srcu,
|
|
kprobe:synchronize_srcu_expedited,
|
|
kprobe:get_state_synchronize_rcu,
|
|
kprobe:get_state_synchronize_rcu_full,
|
|
kprobe:start_poll_synchronize_rcu,
|
|
kprobe:start_poll_synchronize_rcu_expedited,
|
|
kprobe:start_poll_synchronize_rcu_full,
|
|
kprobe:start_poll_synchronize_rcu_expedited_full,
|
|
kprobe:poll_state_synchronize_rcu,
|
|
kprobe:poll_state_synchronize_rcu_full,
|
|
kprobe:cond_synchronize_rcu,
|
|
kprobe:cond_synchronize_rcu_full,
|
|
kprobe:start_poll_synchronize_srcu,
|
|
kprobe:poll_state_synchronize_srcu,
|
|
kprobe:rcu_gp_init
|
|
{ @counts[func] = count(); } '"${exitclause}"
|