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|
#!/bin/bash
# Copyright (C) 2006, 2008 Free Software Foundation
#
# Analyze changes in GCC DejaGNU test logs for binutils, gcc, gdb, etc.
# Original version written in 2005 by James Lemke <jwlemke@wasabisystems.com>.
#
# See usage() below.
usage () {
cat <<EOF >&2
Usage:
dg-cmp-results.sh [-v] [-v] [-v] <variant-name> <old-file> <new-file>
<variant-name> names the desired variant, "/" must be written as "\/".
Use the empty string ("") for the first variant in each file.
Output is to stdout.
Non-verbose output is degradation info like PASS->FAIL.
-v adds improvement info like FAIL->PASS.
-v -v adds info like tests that are no longer run.
-v -v -v adds info for tests that have not changed status.
-v -v -v -v is used for debugging.
EOF
}
verbose=0
while test "$1" = "-v"; do
verbose=`expr $verbose + 1`
shift
done
if test $# -ne 3 ; then
usage
exit 1
fi
if test ! -f "$2"; then
echo "unable to open $2" >&2
exit 1
fi
if test ! -f "$3"; then
echo "unable to open $3" >&2
exit 1
fi
# Command differences for various platforms.
case `uname -s` in
Darwin|NetBSD)
E=-E # sed
;;
*)
E=-r # sed
;;
esac
# sections are identified by separator lines beginning with '\t\t==='.
# section 0 identifies run date, target, and host.
# section 1 and subsequent contain test data for a target variant.
# -skip to /^Running target/ and use that line to identify the variant.
# -subsequent lines contain the result data. They begin with:
# '(PASS|FAIL|XFAIL|XPASS|UNTESTED|UNSUPPORTED|UNRESOLVED):'
VARIANT="$1"
OFILE="$2"
OBASE=`basename "$2"`
NFILE="$3"
NBASE=`basename "$3"`
TMPDIR=${TMPDIR:-/tmp}
echo "dg-cmp-results.sh: Verbosity is ${verbose}, Variant is \"${VARIANT}\""
echo
header="^Running target $VARIANT"
temp=`grep "$header" $OFILE`
if test -z "$temp"; then
echo "Error: variant \"$VARIANT\" not found in $OFILE."
exit 1
fi
temp=`grep "$header" $NFILE`
if test -z "$temp"; then
echo "Error: variant \"$VARIANT\" not found in $NFILE."
exit 1
fi
unset temp
# Copy out the old file's section 0.
echo "Older log file: $OFILE"
sed $E -e '/^[[:space:]]+===/,$d' $OFILE
# Copy out the new file's section 0.
echo "Newer log file: $NFILE"
sed $E -e '/^[[:space:]]+===/,$d' $NFILE
# Create a temporary file from the old file's interesting section.
sed $E -e "/$header/,/^[[:space:]]+===.*Summary ===/!d" \
-e '/^[A-Z]+:/!d' \
-e '/^(WARNING|ERROR):/d' \
-e 's/\r$//' \
-e 's/^/O:/' \
$OFILE |
sort -s -t : -k 3b - \
>$TMPDIR/o$$-$OBASE
# Create a temporary file from the new file's interesting section.
sed $E -e "/$header/,/^[[:space:]]+===.*Summary ===/!d" \
-e '/^[A-Z]+:/!d' \
-e '/^(WARNING|ERROR):/d' \
-e 's/\r$//' \
-e 's/^/N:/' \
$NFILE |
sort -s -t : -k 3b - \
>$TMPDIR/n$$-$NBASE
# Merge the two files, then compare adjacent lines.
# Comparison is complicated by tests that may be run multiple times.
# If that case, we assume that the order is the same in both files.
cat <<EOF >compare-$$.awk
BEGIN {
FS = ":"
queue1 = 1; queueN = 0; status[queue1] = ""; name[queue1] = ""
verbose = verbose + 0 # Make sure it's defined.
}
# FIFO circular queue
function push(st, nm) {
queueN += 1; status[queueN] = st; name[queueN] = nm
}
function peek() {
result = 0
if (queueN >= queue1) result = queue1
return result
}
function drop() {
queue1 += 1
if (queue1 > queueN) { queue1 = 1; queueN = 0; }
}
function compare(st, nm) {
old = peek()
if (old == 0) {
# This new test wasn't run last time.
if(st == "FAIL" || st == "UNRESOLVED" || verbose >= 2) {
# New test fails or we want all changes
printf("NA->%s:%s\n", st, nm)
}
}
else {
# Compare this new test to the first queued old one.
if (verbose >= 4) {
printf("Comparing two lines:\n O:%s:%s\n N:%s:%s\n",
status[old], name[old], st, nm)
}
if (name[old] != nm) {
# The old test wasn't run this time and
# the new test wasn't run last time.
if (verbose >= 2) {
printf("%s->NA:%s\n", status[old], name[old])
if (nm != "") printf("NA->%s:%s\n", st, nm)
}
drop()
}
else {
notable = 0
if (status[old] == st) {
# Status of this test has not changed.
if (verbose >= 3) printf("%s:%s\n", st, nm)
}
else if(status[old] == "PASS" && st == "XFAIL") {
if (verbose >= 1) notable = 1
}
else if(status[old] == "PASS" || st == "FAIL") {
# Test did pass but doesn't now
# or didn't fail but does now.
notable = 1
}
else if(st == "PASS") {
# Test didn't pass but does now.
if (verbose >= 1) notable = 1
}
else if(verbose >= 2) {
# Miscellaneous status change.
notable = 1
}
if (notable > 0) printf("%s->%s:%s\n", status[old], st, nm)
drop()
}
}
}
/^O:/ {
while (old = peek()) {
if (name[old] == \$3) break;
# The queued test is no longer run.
compare("", "");
}
# Save this test for later comparison.
push(\$2, \$3)
}
/^N:/ {
compare(\$2, \$3)
}
END {
while (old = peek()) compare("", "")
}
EOF
sort -m -s -t : -k 3b $TMPDIR/o$$-$OBASE $TMPDIR/n$$-$NBASE |
awk -v verbose=$verbose -f compare-$$.awk /dev/stdin
# Delete the temporary files.
rm -f compare-$$.awk $TMPDIR/o$$-$OBASE $TMPDIR/n$$-$NBASE
exit 0
|
