| #! /bin/bash |
| # |
| # Copyright (c) 2015-2017, Intel Corporation |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are met: |
| # |
| # * Redistributions of source code must retain the above copyright notice, |
| # this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above copyright notice, |
| # this list of conditions and the following disclaimer in the documentation |
| # and/or other materials provided with the distribution. |
| # * Neither the name of Intel Corporation nor the names of its contributors |
| # may be used to endorse or promote products derived from this software |
| # without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| # POSSIBILITY OF SUCH DAMAGE. |
| |
| set -e |
| |
| prog=`basename $0` |
| |
| usage() { |
| cat <<EOF |
| usage: $prog [<options>] <perf.data-file> |
| |
| Extract the raw AUX area from a perf data file. |
| |
| options: |
| -h this text |
| -d print commands, don't execute them |
| |
| <perf.data-file> defaults to perf.data. |
| EOF |
| } |
| |
| dry_run=0 |
| while getopts "hd" opt; do |
| case $opt in |
| h) |
| usage |
| exit 0 |
| ;; |
| d) |
| dry_run=1 |
| ;; |
| esac |
| done |
| |
| shift $(($OPTIND-1)) |
| |
| |
| if [[ $# == 0 ]]; then |
| file="perf.data" |
| elif [[ $# == 1 ]]; then |
| file="$1" |
| shift |
| else |
| usage |
| exit 1 |
| fi |
| |
| |
| if [[ "$dry_run" == 0 ]]; then |
| nofiles=0 |
| |
| for ofile in $file-aux-idx*.bin; do |
| if [[ -w $ofile ]]; then |
| echo "$prog: $ofile is in the way." |
| nofiles+=1 |
| fi |
| done |
| |
| if [[ "$nofiles" > 0 ]]; then |
| exit 1 |
| fi |
| fi |
| |
| |
| perf script --no-itrace -i "$file" -D | gawk -F' ' -- ' |
| /PERF_RECORD_AUXTRACE / { |
| offset = strtonum($1) |
| hsize = strtonum(substr($2, 2)) |
| size = strtonum($5) |
| idx = strtonum($11) |
| |
| ofile = sprintf("%s-aux-idx%d.bin", file, idx) |
| begin = offset + hsize |
| |
| cmd = sprintf("dd if=%s of=%s conv=notrunc oflag=append ibs=1 skip=%d " \ |
| "count=%d status=none", file, ofile, begin, size) |
| |
| if (dry_run != 0) { |
| print cmd |
| } |
| else { |
| system(cmd) |
| } |
| } |
| ' file="$file" dry_run="$dry_run" |