#!/bin/sh
# description: event tracing - restricts events based on pid
do_reset() {
echo > set_event
echo > set_event_pid
echo 0 > options/event-fork
clear_trace
}
fail() { #msg
do_reset
echo $1
exit $FAIL
}
yield() {
ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1
}
if [ ! -f set_event -o ! -d events/sched ]; then
echo "event tracing is not supported"
exit_unsupported
fi
if [ ! -f set_event_pid ]; then
echo "event pid filtering is not supported"
exit_unsupported
fi
reset_tracer
do_reset
echo 1 > events/sched/sched_switch/enable
yield
count=`cat trace | grep sched_switch | wc -l`
if [ $count -eq 0 ]; then
fail "sched_switch events are not recorded"
fi
do_reset
read mypid rest < /proc/self/stat
echo $mypid > set_event_pid
echo 'sched:sched_switch' > set_event
yield
count=`cat trace | grep sched_switch | grep -v "pid=$mypid" | wc -l`
if [ $count -ne 0 ]; then
fail "sched_switch events from other task are recorded"
fi
do_reset
echo $mypid > set_event_pid
echo 1 > options/event-fork
echo 1 > events/sched/sched_switch/enable
yield
count=`cat trace | grep sched_switch | grep -v "pid=$mypid" | wc -l`
if [ $count -eq 0 ]; then
fail "sched_switch events from other task are not recorded"
fi
do_reset
exit 0
='switch'/>
| net-next plumbings | Tobias Klauser |
nvdimm: constify device_type structures
Declare device_type structure as const as it is only stored in the
type field of a device structure. This field is of type const, so add
const to declaration of device_type structure.
File size before:
text data bss dec hex filename
19278 3199 16 22493 57dd nvdimm/namespace_devs.o
File size after:
text data bss dec hex filename
19929 3160 16 23105 5a41 nvdimm/namespace_devs.o
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>