#!/bin/bash # SPDX-License-Identifier: GPL-2.0 source tests/engine.sh test_begin set_timeout 2m timerlat_sample_event='/sys/kernel/tracing/events/osnoise/timerlat_sample' if ldd $RTLA | grep libbpf >/dev/null && [ -d "$timerlat_sample_event" ] then # rtla build with BPF and system supports BPF mode no_bpf_options='0 1' else no_bpf_options='1' fi # Do every test with and without BPF for option in $no_bpf_options do export RTLA_NO_BPF=$option # Basic tests check "verify help page" \ "timerlat --help" 0 "timerlat version" check "verify -s/--stack" \ "timerlat top -s 3 -T 10 -t" 2 "Blocking thread stack trace" check "verify -P/--priority" \ "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\"" \ 2 "Priorities are set correctly" check "test in nanoseconds" \ "timerlat top -i 2 -c 0 -n -d 10s" 2 "ns" check "set the automatic trace mode" \ "timerlat top -a 5" 2 "analyzing it" check "dump tasks" \ "timerlat top -a 5 --dump-tasks" 2 "Printing CPU tasks" check "print the auto-analysis if hits the stop tracing condition" \ "timerlat top --aa-only 5" 2 check "disable auto-analysis" \ "timerlat top -s 3 -T 10 -t --no-aa" 2 check "verify -c/--cpus" \ "timerlat hist -c 0 -d 10s" check "hist test in nanoseconds" \ "timerlat hist -i 2 -c 0 -n -d 10s" 2 "ns" # Actions tests check "trace output through -t" \ "timerlat hist -T 2 -t" 2 "^ Saving trace to timerlat_trace.txt$" check "trace output through -t with custom filename" \ "timerlat hist -T 2 -t custom_filename.txt" 2 "^ Saving trace to custom_filename.txt$" check "trace output through -A trace" \ "timerlat hist -T 2 --on-threshold trace" 2 "^ Saving trace to timerlat_trace.txt$" check "trace output through -A trace with custom filename" \ "timerlat hist -T 2 --on-threshold trace,file=custom_filename.txt" 2 "^ Saving trace to custom_filename.txt$" check "exec command" \ "timerlat hist -T 2 --on-threshold shell,command='echo TestOutput'" 2 "^TestOutput$" check "multiple actions" \ "timerlat hist -T 2 --on-threshold shell,command='echo -n 1' --on-threshold shell,command='echo 2'" 2 "^12$" check "hist stop at failed action" \ "timerlat hist -T 2 --on-threshold shell,command='echo -n 1; false' --on-threshold shell,command='echo -n 2'" 2 "^1# RTLA timerlat histogram$" check "top stop at failed action" \ "timerlat top -T 2 --on-threshold shell,command='echo -n 1; false' --on-threshold shell,command='echo -n 2'" 2 "^1ALL" check "hist with continue" \ "timerlat hist -T 2 -d 1s --on-threshold shell,command='echo TestOutput' --on-threshold continue" 0 "^TestOutput$" check "top with continue" \ "timerlat top -q -T 2 -d 1s --on-threshold shell,command='echo TestOutput' --on-threshold continue" 0 "^TestOutput$" check "hist with trace output at end" \ "timerlat hist -d 1s --on-end trace" 0 "^ Saving trace to timerlat_trace.txt$" check "top with trace output at end" \ "timerlat top -d 1s --on-end trace" 0 "^ Saving trace to timerlat_trace.txt$" done test_end
