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#!/bin/bash
function usage ()
{
echo "Usage: qprof [OPTION]"
echo "Arguments are"
echo -e " -r\t\t\t Use real-time for profiling"
echo -e " -v\t\t\t Use virtual (user mode) time for profiling"
echo -e " -i time\t\t Microseconds or events between profiling ticks. \n\t\t\t Default 10,000 usecs or 10,000 events."
echo -e " -b size\t\t Size of PC sample buffer entries. Default 400K."
echo -e " -g gran\t\t Granularity; set to \"instruction\", \"line\" or \"function\""
echo -e " -a path\t\t Path of addr2line command. Default /usr/bin/addr2line."
echo -e " -w col\t\t\t Number of columns in output"
echo -e " -c color\t\t \"red\" \"blue\" \"green\" or an ECMA color."
echo -e " -e hwevnt\t\t Hardware event timer (see docs)"
echo -e " -o file\t\t Output file if not stderr"
echo -e " -s\t\t\t Include PC values on call stack"
echo -e " -q dir\t\t\t Directory for q-tools compatible profile information"
}
while getopts "rvi:b:g:a:w:c:e:o:sqh" Option
do
case $Option in
h) usage ; exit 0 ;;
r) export QPROF_REAL=1 ;;
v) export QPROF_VIRTUAL=1 ;;
i) export QPROF_INTERVAL=${OPTARG} ;;
b) export QPROF_BUFFER_SIZE= ${OPTARG} ;;
g)
case ${OPTARG} in
function|line|instruction) export QPROF_GRANULARITY=${OPTARG};;
*)
echo "-g must be one of function, line or instruction"
exit 1
;;
esac ;;
a) export QPROF_ADDR2LINE=${OPTARG} ;;
c) export QPROF_COLOR=${OPTARG} ;;
w) export QPROF_NCOLS=${OPTARG} ;;
e) export QPROF_HW_EVENT=${OPTARG} ;;
o) export QPROF_FILE=${OPTARG} ;;
s) export QPROF_STACK=1 ;;
q) export QDIR= ${OPTARG} ;;
*) echo "Invalid option."
exit 1;;
esac
done
#shift so that $1 (and consequently $@) is in the right position
shift $(($OPTIND - 1))
#choosing the version is irrelevant for anything but ia64
if [ -n "$QPROF_ASSUME_KERNEL" ] ; then
KVER=$QPROF_ASSUME_KERNEL
else
KVER=`uname -r`
fi
case $KVER in
2.0.*|2.2.*|2.4.*)
LIB=libqprof_libpfm2.so
;;
2.5.*|2.6.*|2.7.*)
LIB=libqprof_libpfm3.so
;;
*)
echo "Sorry, your kernel version seems unsupported, please file a bug!"
exit 1
;;
esac
# Since this is run as a script, we won't endanger
# the prior setting of LD_PRELOAD, but there may have
# been something useful already set.
LD_PRELOAD=@libdir@/$LIB:$LD_PRELOAD
export LD_PRELOAD
exec "$@"
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