77 lines
2.6 KiB
Plaintext
77 lines
2.6 KiB
Plaintext
|
#!/bin/sh
|
||
|
|
# SPDX-License-Identifier: GPL-2.0
|
||
|
|
# description: event trigger - test histogram trigger
|
||
|
|
# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist
|
||
|
|
# flags: instance
|
||
|
|
|
||
|
|
fail() { #msg
|
||
|
|
echo $1
|
||
|
|
exit_fail
|
||
|
|
}
|
||
|
|
|
||
|
|
echo "Test histogram basic trigger"
|
||
|
|
|
||
|
|
echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger
|
||
|
|
for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
|
||
|
|
grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \
|
||
|
|
fail "hist trigger on sched_process_fork did not work"
|
||
|
|
grep child events/sched/sched_process_fork/hist > /dev/null || \
|
||
|
|
fail "hist trigger on sched_process_fork did not work"
|
||
|
|
|
||
|
|
reset_trigger
|
||
|
|
|
||
|
|
echo "Test histogram with compound keys"
|
||
|
|
|
||
|
|
echo 'hist:keys=parent_pid,child_pid' > events/sched/sched_process_fork/trigger
|
||
|
|
for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
|
||
|
|
grep '^{ parent_pid:.*, child_pid:.*}' events/sched/sched_process_fork/hist > /dev/null || \
|
||
|
|
fail "compound keys on sched_process_fork did not work"
|
||
|
|
|
||
|
|
reset_trigger
|
||
|
|
|
||
|
|
echo "Test histogram with string key"
|
||
|
|
|
||
|
|
echo 'hist:keys=parent_comm' > events/sched/sched_process_fork/trigger
|
||
|
|
for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
|
||
|
|
COMM=`cat /proc/$$/comm`
|
||
|
|
grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
|
||
|
|
fail "string key on sched_process_fork did not work"
|
||
|
|
|
||
|
|
reset_trigger
|
||
|
|
|
||
|
|
echo "Test histogram with sym modifier"
|
||
|
|
|
||
|
|
echo 'hist:keys=call_site.sym' > events/kmem/kmalloc/trigger
|
||
|
|
for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
|
||
|
|
grep '{ call_site: \[[0-9a-f][0-9a-f]*\] [_a-zA-Z][_a-zA-Z]* *}' events/kmem/kmalloc/hist > /dev/null || \
|
||
|
|
fail "sym modifier on kmalloc call_site did not work"
|
||
|
|
|
||
|
|
reset_trigger
|
||
|
|
|
||
|
|
echo "Test histogram with sym-offset modifier"
|
||
|
|
|
||
|
|
echo 'hist:keys=call_site.sym-offset' > events/kmem/kmalloc/trigger
|
||
|
|
for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
|
||
|
|
grep '{ call_site: \[[0-9a-f][0-9a-f]*\] [_a-zA-Z][_a-zA-Z]*+0x[0-9a-f][0-9a-f]*' events/kmem/kmalloc/hist > /dev/null || \
|
||
|
|
fail "sym-offset modifier on kmalloc call_site did not work"
|
||
|
|
|
||
|
|
reset_trigger
|
||
|
|
|
||
|
|
echo "Test histogram with sort key"
|
||
|
|
|
||
|
|
echo 'hist:keys=parent_pid,child_pid:sort=child_pid.ascending' > events/sched/sched_process_fork/trigger
|
||
|
|
for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
|
||
|
|
|
||
|
|
check_inc() {
|
||
|
|
while [ $# -gt 1 ]; do
|
||
|
|
[ $1 -gt $2 ] && return 1
|
||
|
|
shift 1
|
||
|
|
done
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
check_inc `grep -o "child_pid:[[:space:]]*[[:digit:]]*" \
|
||
|
|
events/sched/sched_process_fork/hist | cut -d: -f2 ` ||
|
||
|
|
fail "sort param on sched_process_fork did not work"
|
||
|
|
|
||
|
|
exit 0
|