1#!/bin/sh 2# description: event trigger - test multiple histogram triggers 3 4do_reset() { 5 reset_trigger 6 echo > set_event 7 clear_trace 8} 9 10fail() { #msg 11 do_reset 12 echo $1 13 exit $FAIL 14} 15 16if [ ! -f set_event -o ! -d events/sched ]; then 17 echo "event tracing is not supported" 18 exit_unsupported 19fi 20 21if [ ! -f events/sched/sched_process_fork/trigger ]; then 22 echo "event trigger is not supported" 23 exit_unsupported 24fi 25 26reset_tracer 27do_reset 28 29FEATURE=`grep hist events/sched/sched_process_fork/trigger` 30if [ -z "$FEATURE" ]; then 31 echo "hist trigger is not supported" 32 exit_unsupported 33fi 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