1#!/bin/sh 2# description: event trigger - test multiple histogram triggers 3# flags: instance 4 5do_reset() { 6 reset_trigger 7 echo > set_event 8 clear_trace 9} 10 11fail() { #msg 12 do_reset 13 echo $1 14 exit $FAIL 15} 16 17if [ ! -f set_event -o ! -d events/sched ]; then 18 echo "event tracing is not supported" 19 exit_unsupported 20fi 21 22if [ ! -f events/sched/sched_process_fork/trigger ]; then 23 echo "event trigger is not supported" 24 exit_unsupported 25fi 26 27if [ ! -f events/sched/sched_process_fork/hist ]; then 28 echo "hist trigger is not supported" 29 exit_unsupported 30fi 31 32reset_tracer 33do_reset 34 35reset_trigger 36 37echo "Test histogram multiple tiggers" 38 39echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger 40echo 'hist:keys=parent_comm:vals=child_pid' >> events/sched/sched_process_fork/trigger 41for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done 42grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \ 43 fail "hist trigger on sched_process_fork did not work" 44grep child events/sched/sched_process_fork/hist > /dev/null || \ 45 fail "hist trigger on sched_process_fork did not work" 46COMM=`cat /proc/$$/comm` 47grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \ 48 fail "string key on sched_process_fork did not work" 49 50reset_trigger 51 52echo "Test histogram with its name" 53 54echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_fork/trigger 55for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done 56grep test_hist events/sched/sched_process_fork/hist > /dev/null || \ 57 fail "named event on sched_process_fork did not work" 58 59echo "Test same named histogram on different events" 60 61echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_exit/trigger 62for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done 63grep test_hist events/sched/sched_process_exit/hist > /dev/null || \ 64 fail "named event on sched_process_fork did not work" 65 66diffs=`diff events/sched/sched_process_exit/hist events/sched/sched_process_fork/hist | wc -l` 67test $diffs -eq 0 || fail "Same name histograms are not same" 68 69reset_trigger 70 71do_reset 72 73exit 0 74