make/scripts/shell-profiler.sh
changeset 47216 71c04702a3d5
parent 44465 26fabd8abee9
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     1 #!/bin/bash
       
     2 #
       
     3 # Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
       
     4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     5 #
       
     6 # This code is free software; you can redistribute it and/or modify it
       
     7 # under the terms of the GNU General Public License version 2 only, as
       
     8 # published by the Free Software Foundation.
       
     9 #
       
    10 # This code is distributed in the hope that it will be useful, but WITHOUT
       
    11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    13 # version 2 for more details (a copy is included in the LICENSE file that
       
    14 # accompanied this code).
       
    15 #
       
    16 # You should have received a copy of the GNU General Public License version
       
    17 # 2 along with this work; if not, write to the Free Software Foundation,
       
    18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    19 #
       
    20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    21 # or visit www.oracle.com if you need additional information or have any
       
    22 # questions.
       
    23 #
       
    24 
       
    25 # Usage: sh shell-tracer.sh <TIME_CMD_TYPE> <TIME_CMD> <OUTPUT_FILE> <shell command line>
       
    26 #
       
    27 # This shell script is supposed to be set as a replacement for SHELL in make,
       
    28 # causing it to be called whenever make wants to execute shell commands.
       
    29 # The <shell command line> is suitable for passing on to the old shell,
       
    30 # typically beginning with -c.
       
    31 #
       
    32 # This script will run the shell command line and it will also store a simple
       
    33 # log of the the time it takes to execute the command in the OUTPUT_FILE, using
       
    34 # utility for time measure specified with TIME_CMD option.
       
    35 #
       
    36 # Type of time measure utility is specified with TIME_CMD_TYPE option.
       
    37 # Recognized options values of TIME_CMD_TYPE option: "gnutime", "flock".
       
    38 
       
    39 TIME_CMD_TYPE="$1"
       
    40 TIME_CMD="$2"
       
    41 OUTPUT_FILE="$3"
       
    42 shift
       
    43 shift
       
    44 shift
       
    45 if [ "$TIME_CMD_TYPE" = "gnutime" ]; then
       
    46   # Escape backslashes (\) and percent chars (%). See man for GNU 'time'.
       
    47   msg=${@//\\/\\\\}
       
    48   msg=${msg//%/%%}
       
    49   "$TIME_CMD" -f "[TIME:%E] $msg" -a -o "$OUTPUT_FILE" "$@"
       
    50 elif [ "$TIME_CMD_TYPE" = "flock" ]; then
       
    51   # Emulated GNU 'time' with 'flock' and 'date'.
       
    52   ts=`date +%s%3N`
       
    53   "$@"
       
    54   status=$?
       
    55   ts2=`date +%s%3N`
       
    56   millis=$((ts2 - ts))
       
    57   ms=$(($millis % 1000))
       
    58   seconds=$((millis / 1000))
       
    59   ss=$(($seconds % 60))
       
    60   minutes=$(($seconds / 60))
       
    61   mm=$(($minutes % 60))
       
    62   hh=$(($minutes / 60)):
       
    63   [ $hh != "0:" ] || hh=
       
    64   # Synchronize on this script.
       
    65   flock -w 10 "$0" printf "[TIME:${hh}${mm}:${ss}.%.2s] %s\n" $ms "$*" >> "$OUTPUT_FILE" || true
       
    66   exit $status
       
    67 else
       
    68   "$@"
       
    69 fi