blob: b89ce953afe346b7954ec2f14e169cc889284f78 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
#!/bin/bash
if [ "$1" == "-s" ]
then
AUTO=1
shift
fi
PIDS=""
# signal that we're done gathering data and clean up
on_finish()
{
echo "Ending Trace..."
kill $PIDS
wait $PIDS
exit 0
}
# register shutdown signal handler
trap 'on_finish' SIGUSR1
[ -z "$FTCAT" ] && FTCAT=ftcat
[ -z "$FTDEV" ] && FTDEV=/dev/litmus/sched_trace
# Setup up sched_trace tracing.
# works for sparc64 and Intel x86 if all CPUs are online
NUM_CPUS=`egrep -c '^processor|online' /proc/cpuinfo`
ST_IDS="501 502 503 504 505 506 507 508 509 510"
TAG=$1
PIDS=""
for x in `seq 0 $(($NUM_CPUS - 1))`
do
TARGET="st-${TAG}-${x}.bin"
echo -n "CPU $x: "
$FTCAT "$FTDEV$x" $ST_IDS > "$TARGET" &
PIDS="$PIDS $!"
echo $! "> $TARGET [$?]"
done
if [[ $AUTO != 1 ]]
then
echo "Press Enter to end tracing..."
read
on_finish
else
# wait for SIGUSR1 to terminate
echo "Waiting for SIGUSR1 to end tracing..."
while [ 1 ]; do sleep 10; done
fi
|
