1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3source tests/engine.sh
4test_begin
5
6set_timeout 2m
7timerlat_sample_event='/sys/kernel/tracing/events/osnoise/timerlat_sample'
8
9if ldd $RTLA | grep libbpf >/dev/null && [ -d "$timerlat_sample_event" ]
10then
11	# rtla build with BPF and system supports BPF mode
12	no_bpf_options='0 1'
13else
14	no_bpf_options='1'
15fi
16
17# Do every test with and without BPF
18for option in $no_bpf_options
19do
20export RTLA_NO_BPF=$option
21
22# Basic tests
23check "verify help page" \
24	"timerlat --help" 0 "timerlat version"
25check "verify -s/--stack" \
26	"timerlat top -s 3 -T 10 -t" 2 "Blocking thread stack trace"
27check "verify -P/--priority" \
28	"timerlat top -P F:1 -c 0 -d 10s -q -T 1 --on-threshold shell,command=\"tests/scripts/check-priority.sh timerlatu/ SCHED_FIFO 1\"" \
29	2 "Priorities are set correctly"
30check "test in nanoseconds" \
31	"timerlat top -i 2 -c 0 -n -d 10s" 2 "ns"
32check "set the automatic trace mode" \
33	"timerlat top -a 5" 2 "analyzing it"
34check "dump tasks" \
35	"timerlat top -a 5 --dump-tasks" 2 "Printing CPU tasks"
36check "print the auto-analysis if hits the stop tracing condition" \
37	"timerlat top --aa-only 5" 2
38check "disable auto-analysis" \
39	"timerlat top -s 3 -T 10 -t --no-aa" 2
40check "verify -c/--cpus" \
41	"timerlat hist -c 0 -d 10s"
42check "hist test in nanoseconds" \
43	"timerlat hist -i 2 -c 0 -n -d 10s" 2 "ns"
44
45# Actions tests
46check "trace output through -t" \
47	"timerlat hist -T 2 -t" 2 "^  Saving trace to timerlat_trace.txt$"
48check "trace output through -t with custom filename" \
49	"timerlat hist -T 2 -t custom_filename.txt" 2 "^  Saving trace to custom_filename.txt$"
50check "trace output through -A trace" \
51	"timerlat hist -T 2 --on-threshold trace" 2 "^  Saving trace to timerlat_trace.txt$"
52check "trace output through -A trace with custom filename" \
53	"timerlat hist -T 2 --on-threshold trace,file=custom_filename.txt" 2 "^  Saving trace to custom_filename.txt$"
54check "exec command" \
55	"timerlat hist -T 2 --on-threshold shell,command='echo TestOutput'" 2 "^TestOutput$"
56check "multiple actions" \
57	"timerlat hist -T 2 --on-threshold shell,command='echo -n 1' --on-threshold shell,command='echo 2'" 2 "^12$"
58check "hist stop at failed action" \
59	"timerlat hist -T 2 --on-threshold shell,command='echo -n 1; false' --on-threshold shell,command='echo -n 2'" 2 "^1# RTLA timerlat histogram$"
60check "top stop at failed action" \
61	"timerlat top -T 2 --on-threshold shell,command='echo -n 1; false' --on-threshold shell,command='echo -n 2'" 2 "^1ALL"
62check "hist with continue" \
63	"timerlat hist -T 2 -d 1s --on-threshold shell,command='echo TestOutput' --on-threshold continue" 0 "^TestOutput$"
64check "top with continue" \
65	"timerlat top -q -T 2 -d 1s --on-threshold shell,command='echo TestOutput' --on-threshold continue" 0 "^TestOutput$"
66check "hist with trace output at end" \
67	"timerlat hist -d 1s --on-end trace" 0 "^  Saving trace to timerlat_trace.txt$"
68check "top with trace output at end" \
69	"timerlat top -d 1s --on-end trace" 0 "^  Saving trace to timerlat_trace.txt$"
70done
71
72test_end
73