Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | |
| 3 | # find the name of the log file to process, it must not start with a dash. |
| 4 | log_file="v8.log" |
| 5 | for arg in "$@" |
| 6 | do |
| 7 | if ! expr "X${arg}" : "^X-" > /dev/null; then |
| 8 | log_file=${arg} |
| 9 | fi |
| 10 | done |
| 11 | |
| 12 | tools_path=`cd $(dirname "$0");pwd` |
| 13 | if test ! "$D8_PATH"; then |
| 14 | d8_public=`which d8` |
| 15 | if test -x "$d8_public"; then D8_PATH=$(dirname "$d8_public"); fi |
| 16 | fi |
| 17 | |
| 18 | if test ! -n "$D8_PATH"; then |
| 19 | D8_PATH=$tools_path/.. |
| 20 | fi |
| 21 | |
| 22 | d8_exec=$D8_PATH/d8 |
| 23 | |
| 24 | if test ! -x "$d8_exec"; then |
| 25 | D8_PATH=`pwd`/out/native |
| 26 | d8_exec=$D8_PATH/d8 |
| 27 | fi |
| 28 | |
| 29 | if test ! -x "$d8_exec"; then |
| 30 | d8_exec=`grep -m 1 -o '".*/d8"' $log_file | sed 's/"//g'` |
| 31 | fi |
| 32 | |
| 33 | if test ! -x "$d8_exec"; then |
| 34 | echo "d8 shell not found in $D8_PATH" |
| 35 | echo "To build, execute 'make native' from the V8 directory" |
| 36 | exit 1 |
| 37 | fi |
| 38 | |
| 39 | |
| 40 | contains=0; |
| 41 | for arg in "$@"; do |
| 42 | `echo "$arg" | grep -q "^--distortion"` |
| 43 | if test $? -eq 0; then |
| 44 | contains=1 |
| 45 | break |
| 46 | fi |
| 47 | done |
| 48 | |
| 49 | if test "$contains" -eq 0; then |
| 50 | # Try to find out how much the instrumentation overhead is. |
| 51 | calibration_log=calibration.log |
| 52 | calibration_script="for (var i = 0; i < 1000000; i++) print();" |
| 53 | |
| 54 | $d8_exec --nocrankshaft --prof --logfile $calibration_log \ |
| 55 | --log-timer-events -e "$calibration_script" > /dev/null |
| 56 | t_1_start=`grep "timer-event-start,\"V8.Execute\"" $calibration_log \ |
| 57 | | tail -n1 | awk -F, '{print $3}'` |
| 58 | t_1_end=`grep "timer-event-end,\"V8.Execute\"" $calibration_log \ |
| 59 | | tail -n1 | awk -F, '{print $3}'` |
| 60 | n_1=`grep "timer-event\|tick" $calibration_log | wc -l` |
| 61 | |
| 62 | $d8_exec --nocrankshaft --prof --logfile $calibration_log \ |
| 63 | --log-internal-timer-events -e "$calibration_script" > /dev/null |
| 64 | t_2_start=`grep "timer-event-start,\"V8.Execute\"" $calibration_log \ |
| 65 | | tail -n1 | awk -F, '{print $3}'` |
| 66 | t_2_end=`grep "timer-event-end,\"V8.Execute\"" $calibration_log \ |
| 67 | | tail -n1 | awk -F, '{print $3}'` |
| 68 | n_2=`grep "timer-event\|tick" $calibration_log | wc -l` |
| 69 | |
| 70 | rm $calibration_log |
| 71 | |
| 72 | # Overhead in picoseconds. |
| 73 | options=--distortion= |
| 74 | options+=`echo "1000*(($t_1_end - $t_1_start) - ($t_2_end - $t_2_start)) \ |
| 75 | / ($n_1 - $n_2)" | bc` |
| 76 | echo $options |
| 77 | fi |
| 78 | |
| 79 | cat $log_file | |
| 80 | $d8_exec $tools_path/csvparser.js $tools_path/splaytree.js \ |
| 81 | $tools_path/codemap.js $tools_path/profile.js $tools_path/profile_view.js \ |
| 82 | $tools_path/logreader.js $tools_path/tickprocessor.js \ |
| 83 | $tools_path/profviz/composer.js $tools_path/profviz/stdio.js \ |
| 84 | -- $@ $options 2>/dev/null > timer-events.plot |
| 85 | |
| 86 | success=$? |
| 87 | if test $success -ne 0; then |
| 88 | cat timer-events.plot |
| 89 | else |
| 90 | cat timer-events.plot | gnuplot > timer-events.png |
| 91 | fi |
| 92 | |
| 93 | rm -f timer-events.plot |