162306a36Sopenharmony_ci#!/bin/sh 262306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 362306a36Sopenharmony_ci# description: Test ftrace direct functions against kprobes 462306a36Sopenharmony_ci# requires: kprobe_events 562306a36Sopenharmony_ci 662306a36Sopenharmony_cirmmod ftrace-direct ||: 762306a36Sopenharmony_ciif ! modprobe ftrace-direct ; then 862306a36Sopenharmony_ci echo "No ftrace-direct sample module - please build with CONFIG_SAMPLE_FTRACE_DIRECT=m" 962306a36Sopenharmony_ci exit_unresolved; 1062306a36Sopenharmony_cifi 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ciecho "Let the module run a little" 1362306a36Sopenharmony_cisleep 1 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_cigrep -q "my_direct_func: waking up" trace 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_cirmmod ftrace-direct 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ciecho 'p:kwake wake_up_process task=$arg1' > kprobe_events 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_cistart_direct() { 2262306a36Sopenharmony_ci echo > trace 2362306a36Sopenharmony_ci modprobe ftrace-direct 2462306a36Sopenharmony_ci sleep 1 2562306a36Sopenharmony_ci grep -q "my_direct_func: waking up" trace 2662306a36Sopenharmony_ci} 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_cistop_direct() { 2962306a36Sopenharmony_ci rmmod ftrace-direct 3062306a36Sopenharmony_ci} 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_cienable_probe() { 3362306a36Sopenharmony_ci echo > trace 3462306a36Sopenharmony_ci echo 1 > events/kprobes/kwake/enable 3562306a36Sopenharmony_ci sleep 1 3662306a36Sopenharmony_ci grep -q "kwake:" trace 3762306a36Sopenharmony_ci} 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_cidisable_probe() { 4062306a36Sopenharmony_ci echo 0 > events/kprobes/kwake/enable 4162306a36Sopenharmony_ci} 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_citest_kprobes() { 4462306a36Sopenharmony_ci # probe -> direct -> no direct > no probe 4562306a36Sopenharmony_ci enable_probe 4662306a36Sopenharmony_ci start_direct 4762306a36Sopenharmony_ci stop_direct 4862306a36Sopenharmony_ci disable_probe 4962306a36Sopenharmony_ci 5062306a36Sopenharmony_ci # probe -> direct -> no probe > no direct 5162306a36Sopenharmony_ci enable_probe 5262306a36Sopenharmony_ci start_direct 5362306a36Sopenharmony_ci disable_probe 5462306a36Sopenharmony_ci stop_direct 5562306a36Sopenharmony_ci 5662306a36Sopenharmony_ci # direct -> probe -> no probe > no direct 5762306a36Sopenharmony_ci start_direct 5862306a36Sopenharmony_ci enable_probe 5962306a36Sopenharmony_ci disable_probe 6062306a36Sopenharmony_ci stop_direct 6162306a36Sopenharmony_ci 6262306a36Sopenharmony_ci # direct -> probe -> no direct > no noprobe 6362306a36Sopenharmony_ci start_direct 6462306a36Sopenharmony_ci enable_probe 6562306a36Sopenharmony_ci stop_direct 6662306a36Sopenharmony_ci disable_probe 6762306a36Sopenharmony_ci} 6862306a36Sopenharmony_ci 6962306a36Sopenharmony_citest_kprobes 7062306a36Sopenharmony_ci 7162306a36Sopenharmony_ci# Now do this with a second registered direct function 7262306a36Sopenharmony_ciecho "Running with another ftrace direct function" 7362306a36Sopenharmony_ci 7462306a36Sopenharmony_cimodprobe ftrace-direct-too 7562306a36Sopenharmony_ci 7662306a36Sopenharmony_citest_kprobes 7762306a36Sopenharmony_ci 7862306a36Sopenharmony_cirmmod ftrace-direct-too 7962306a36Sopenharmony_ci 8062306a36Sopenharmony_ciecho > kprobe_events 81