xref: /spdk/test/interrupt/common.sh (revision 7bb8a30db9b0e3db03894a519266e4fd13a98df3)
1#  SPDX-License-Identifier: BSD-3-Clause
2#  Copyright (C) 2021 Intel Corporation.
3#  All rights reserved.
4
5function cleanup() {
6	rm -f "$SPDK_TEST_STORAGE/aiofile"
7}
8
9function reactor_is_busy_or_idle() {
10	local pid=$1
11	local idx=$2
12	local state=$3
13	local busy_threshold=${BUSY_THRESHOLD:-65}
14	local idle_threshold=${IDLE_THRESHOLD:-30}
15
16	if [[ $state != "busy" ]] && [[ $state != "idle" ]]; then
17		return 1
18	fi
19
20	if ! hash top; then
21		# Fail this test if top is missing from system.
22		return 1
23	fi
24
25	for ((j = 10; j != 0; j--)); do
26		top_reactor=$(top -bHn 1 -p $pid -w 256 | grep reactor_$idx)
27		cpu_rate=$(echo $top_reactor | sed -e 's/^\s*//g' | awk '{print $9}')
28		cpu_rate=${cpu_rate%.*}
29
30		if [[ $state = "busy" ]] && ((cpu_rate < busy_threshold)); then
31			sleep 1
32		elif [[ $state = "idle" ]] && ((cpu_rate > idle_threshold)); then
33			sleep 1
34		else
35			return 0
36		fi
37	done
38
39	if [[ $state = "busy" ]]; then
40		echo "cpu rate ${cpu_rate} of reactor $i probably is not busy polling"
41	else
42		echo "cpu rate ${cpu_rate} of reactor $i probably is not idle interrupt"
43	fi
44
45	return 1
46}
47
48function reactor_is_busy() {
49	reactor_is_busy_or_idle $1 $2 "busy"
50}
51
52function reactor_is_idle() {
53	reactor_is_busy_or_idle $1 $2 "idle"
54}
55
56function reactor_get_thread_ids() {
57	local reactor_cpumask=$1
58	local grep_str
59
60	reactor_cpumask=$((reactor_cpumask))
61	jq_str='.threads|.[]|select(.cpumask == $reactor_cpumask)|.id'
62
63	# shellcheck disable=SC2005
64	echo "$($rpc_py thread_get_stats | jq --arg reactor_cpumask "$reactor_cpumask" "$jq_str")"
65
66}
67
68function setup_bdev_mem() {
69	"$rpc_py" <<- RPC
70		bdev_malloc_create -b Malloc0 32 512
71		bdev_malloc_create -b Malloc1 32 512
72		bdev_malloc_create -b Malloc2 32 512
73	RPC
74}
75
76function setup_bdev_aio() {
77	if [[ $(uname -s) != "FreeBSD" ]]; then
78		dd if=/dev/zero of="$SPDK_TEST_STORAGE/aiofile" bs=2048 count=5000
79		"$rpc_py" bdev_aio_create "$SPDK_TEST_STORAGE/aiofile" AIO0 2048
80	fi
81}
82