137544a6dSSimon Glass# Copyright (c) 2013 The Chromium OS Authors. 237544a6dSSimon Glass# 31a459660SWolfgang Denk# SPDX-License-Identifier: GPL-2.0+ 437544a6dSSimon Glass# 537544a6dSSimon Glass 637544a6dSSimon Glass# Simple test script for tracing with sandbox 737544a6dSSimon Glass 837544a6dSSimon GlassTRACE_OPT="FTRACE=1" 937544a6dSSimon Glass 10129acd4cSSimon GlassBASE="$(dirname $0)/.." 11129acd4cSSimon Glass. $BASE/common.sh 1237544a6dSSimon Glass 1337544a6dSSimon Glassrun_trace() { 1437544a6dSSimon Glass echo "Run trace" 1537544a6dSSimon Glass ./${OUTPUT_DIR}/u-boot <<END 1637544a6dSSimon Glasstrace stats 1737544a6dSSimon Glasshash sha256 0 10000 1837544a6dSSimon Glasstrace pause 1937544a6dSSimon Glasstrace stats 2037544a6dSSimon Glasshash sha256 0 10000 2137544a6dSSimon Glasstrace stats 2237544a6dSSimon Glasstrace resume 2337544a6dSSimon Glasshash sha256 0 10000 2437544a6dSSimon Glasstrace pause 2537544a6dSSimon Glasstrace stats 2637544a6dSSimon Glassreset 2737544a6dSSimon GlassEND 2837544a6dSSimon Glass} 2937544a6dSSimon Glass 3037544a6dSSimon Glasscheck_results() { 3137544a6dSSimon Glass echo "Check results" 3237544a6dSSimon Glass 3337544a6dSSimon Glass # Expect sha256 to run 3 times, so we see the string 6 times 3437544a6dSSimon Glass if [ $(grep -c sha256 ${tmp}) -ne 6 ]; then 3537544a6dSSimon Glass fail "sha256 error" 3637544a6dSSimon Glass fi 3737544a6dSSimon Glass 3837544a6dSSimon Glass # 4 sets of results (output of 'trace stats') 3937544a6dSSimon Glass if [ $(grep -c "traced function calls" ${tmp}) -ne 4 ]; then 4037544a6dSSimon Glass fail "trace output error" 4137544a6dSSimon Glass fi 4237544a6dSSimon Glass 4337544a6dSSimon Glass # Check trace counts. We expect to see an increase in the number of 4437544a6dSSimon Glass # traced function calls between each 'trace stats' command, except 4537544a6dSSimon Glass # between calls 2 and 3, where tracing is paused. 4637544a6dSSimon Glass # This code gets the sign of the difference between each number and 4737544a6dSSimon Glass # its predecessor. 48*f91281b1SSimon Glass counts="$(tr -d ',\r' <${tmp} | awk \ 49*f91281b1SSimon Glass '/traced function calls/ { diff = $1 - upto; upto = $1; \ 50*f91281b1SSimon Glass printf "%d ", diff < 0 ? -1 : (diff > 0 ? 1 : 0)}')" 5137544a6dSSimon Glass 5237544a6dSSimon Glass if [ "${counts}" != "1 1 0 1 " ]; then 5337544a6dSSimon Glass fail "trace collection error: ${counts}" 5437544a6dSSimon Glass fi 5537544a6dSSimon Glass} 5637544a6dSSimon Glass 5737544a6dSSimon Glassecho "Simple trace test / sanity check using sandbox" 5837544a6dSSimon Glassecho 5937544a6dSSimon Glasstmp="$(tempfile)" 60129acd4cSSimon Glassbuild_uboot "${TRACE_OPT}" 6137544a6dSSimon Glassrun_trace >${tmp} 6237544a6dSSimon Glasscheck_results ${tmp} 6337544a6dSSimon Glassrm ${tmp} 6437544a6dSSimon Glassecho "Test passed" 65