#!/bin/sh
# description: event trigger - test histogram modifiers
do_reset() {
reset_trigger
echo > set_event
clear_trace
}
fail() { #msg
do_reset
echo $1
exit $FAIL
}
if [ ! -f set_event -o ! -d events/sched ]; then
echo "event tracing is not supported"
exit_unsupported
fi
if [ ! -f events/sched/sched_process_fork/trigger ]; then
echo "event trigger is not supported"
exit_unsupported
fi
if [ ! -f events/sched/sched_process_fork/hist ]; then
echo "hist trigger is not supported"
exit_unsupported
fi
reset_tracer
do_reset
echo "Test histogram with execname modifier"
echo 'hist:keys=common_pid.execname' > events/sched/sched_process_fork/trigger
for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
COMM=`cat /proc/$$/comm`
grep "common_pid: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
fail "execname modifier on sched_process_fork did not work"
reset_trigger
echo "Test histogram with hex modifier"
echo 'hist:keys=parent_pid.hex' > events/sched/sched_process_fork/trigger
for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
# Note that $$ is the parent pid. $PID is current PID.
HEX=`printf %x $PID`
grep "parent_pid: $HEX" events/sched/sched_process_fork/hist > /dev/null || \
fail "hex modifier on sched_process_fork did not work"
reset_trigger
echo "Test histogram with syscall modifier"
echo 'hist:keys=id.syscall' > events/raw_syscalls/sys_exit/trigger
for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
grep "id: \(unknown_\|sys_\)" events/raw_syscalls/sys_exit/hist > /dev/null || \
fail "syscall modifier on raw_syscalls/sys_exit did not work"
reset_trigger
echo "Test histgram with log2 modifier"
echo 'hist:keys=bytes_req.log2' > events/kmem/kmalloc/trigger
for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
grep 'bytes_req: ~ 2^[0-9]*' events/kmem/kmalloc/hist > /dev/null || \
fail "log2 modifier on kmem/kmalloc did not work"
do_reset
exit 0
mmitdiff
Merge branch 'parisc-4.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull two parisc fixes from Helge Deller:
"One fix to avoid usage of BITS_PER_LONG in user-space exported swab.h
header which breaks compiling qemu, and one trivial fix for printk
continuation in the parisc parport driver"
* 'parisc-4.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Don't use BITS_PER_LONG in userspace-exported swab.h header
parisc, parport_gsc: Fixes for printk continuation lines