70 lines
2.5 KiB
Bash
70 lines
2.5 KiB
Bash
#!/bin/bash
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#
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# Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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# Usage: sh shell-tracer.sh <TIME_CMD_TYPE> <TIME_CMD> <OUTPUT_FILE> <shell command line>
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#
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# This shell script is supposed to be set as a replacement for SHELL in make,
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# causing it to be called whenever make wants to execute shell commands.
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# The <shell command line> is suitable for passing on to the old shell,
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# typically beginning with -c.
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#
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# This script will run the shell command line and it will also store a simple
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# log of the the time it takes to execute the command in the OUTPUT_FILE, using
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# utility for time measure specified with TIME_CMD option.
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#
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# Type of time measure utility is specified with TIME_CMD_TYPE option.
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# Recognized options values of TIME_CMD_TYPE option: "gnutime", "flock".
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TIME_CMD_TYPE="$1"
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TIME_CMD="$2"
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OUTPUT_FILE="$3"
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shift
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shift
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shift
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if [ "$TIME_CMD_TYPE" = "gnutime" ]; then
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# Escape backslashes (\) and percent chars (%). See man for GNU 'time'.
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msg=${@//\\/\\\\}
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msg=${msg//%/%%}
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"$TIME_CMD" -f "[TIME:%E] $msg" -a -o "$OUTPUT_FILE" "$@"
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elif [ "$TIME_CMD_TYPE" = "flock" ]; then
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# Emulated GNU 'time' with 'flock' and 'date'.
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ts=`date +%s%3N`
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"$@"
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status=$?
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ts2=`date +%s%3N`
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millis=$((ts2 - ts))
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ms=$(($millis % 1000))
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seconds=$((millis / 1000))
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ss=$(($seconds % 60))
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minutes=$(($seconds / 60))
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mm=$(($minutes % 60))
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hh=$(($minutes / 60)):
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[ $hh != "0:" ] || hh=
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# Synchronize on this script.
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flock -w 10 "$0" printf "[TIME:${hh}${mm}:${ss}.%.2s] %s\n" $ms "$*" >> "$OUTPUT_FILE" || true
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exit $status
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else
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"$@"
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fi
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