blob: e629fe0e8463d6cc22f834ae3306997fdee76ce4 (
plain)
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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
#!/bin/bash
# DRM PMU
# SPDX-License-Identifier: GPL-2.0
set -e
output=$(mktemp /tmp/perf.drm_pmu.XXXXXX.txt)
cleanup() {
rm -f "${output}"
trap - EXIT TERM INT
}
trap_cleanup() {
echo "Unexpected signal in ${FUNCNAME[1]}"
cleanup
exit 1
}
trap trap_cleanup EXIT TERM INT
# Array to store file descriptors and device names
declare -A device_fds
# Open all devices and store file descriptors. Opening the device will create a
# /proc/$$/fdinfo file containing the DRM statistics.
fd_count=3 # Start with file descriptor 3
for device in /dev/dri/*
do
if [[ ! -c "$device" ]]
then
continue
fi
major=$(stat -c "%Hr" "$device")
if [[ "$major" != 226 ]]
then
continue
fi
echo "Opening $device"
eval "exec $fd_count<\"$device\""
echo "fdinfo for: $device (FD: $fd_count)"
cat "/proc/$$/fdinfo/$fd_count"
echo
device_fds["$device"]="$fd_count"
fd_count=$((fd_count + 1))
done
if [[ ${#device_fds[@]} -eq 0 ]]
then
echo "No DRM devices found [Skip]"
cleanup
exit 2
fi
# For each DRM event
err=0
for p in $(perf list --raw-dump drm-)
do
echo -n "Testing perf stat of $p. "
perf stat -e "$p" --pid=$$ true > "$output" 2>&1
if ! grep -q "$p" "$output"
then
echo "Missing DRM event in: [Failed]"
cat "$output"
err=1
else
echo "[OK]"
fi
done
# Close all file descriptors
for fd in "${device_fds[@]}"; do
eval "exec $fd<&-"
done
# Finished
cleanup
exit $err
|
