268fac6919
After running the valgrind tests with GIT_TEST_TREE=t, the test output is in the test-results/$TEST.out files. Call ./valgrind/analyze.sh in $GIT_ROOT/t/ to group the valgrind errors by backtrace. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
124 lines
2.4 KiB
Bash
Executable File
124 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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out_prefix=$(dirname "$0")/../test-results/valgrind.out
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output=
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count=0
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total_count=0
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missing_message=
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new_line='
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'
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# start outputting the current valgrind error in $out_prefix.++$count,
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# and the test case which failed in the corresponding .message file
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start_output () {
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test -z "$output" || return
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# progress
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total_count=$(($total_count+1))
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test -t 2 && printf "\rFound %d errors" $total_count >&2
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count=$(($count+1))
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output=$out_prefix.$count
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: > $output
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echo "*** $1 ***" > $output.message
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}
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finish_output () {
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test ! -z "$output" || return
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output=
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# if a test case has more than one valgrind error, we need to
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# copy the last .message file to the previous errors
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test -z "$missing_message" || {
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while test $missing_message -lt $count
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do
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cp $out_prefix.$count.message \
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$out_prefix.$missing_message.message
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missing_message=$(($missing_message+1))
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done
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missing_message=
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}
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}
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# group the valgrind errors by backtrace
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output_all () {
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last_line=
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j=0
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i=1
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while test $i -le $count
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do
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# output <number> <backtrace-in-one-line>
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echo "$i $(tr '\n' ' ' < $out_prefix.$i)"
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i=$(($i+1))
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done |
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sort -t ' ' -k 2 | # order by <backtrace-in-one-line>
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while read number line
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do
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# find duplicates, do not output backtrace twice
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if test "$line" != "$last_line"
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then
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last_line=$line
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j=$(($j+1))
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printf "\nValgrind error $j:\n\n"
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cat $out_prefix.$number
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printf "\nfound in:\n"
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fi
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# print the test case where this came from
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printf "\n"
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cat $out_prefix.$number.message
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done
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}
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handle_one () {
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OLDIFS=$IFS
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IFS="$new_line"
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while read line
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do
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case "$line" in
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# backtrace, possibly a new one
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==[0-9]*)
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# Does the current valgrind error have a message yet?
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case "$output" in
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*.message)
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test -z "$missing_message" &&
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missing_message=$count
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output=
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esac
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start_output $(basename $1)
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echo "$line" |
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sed 's/==[0-9]*==/==valgrind==/' >> $output
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;;
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# end of backtrace
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'}')
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test -z "$output" || {
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echo "$line" >> $output
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test $output = ${output%.message} &&
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output=$output.message
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}
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;;
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# end of test case
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'')
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finish_output
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;;
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# normal line; if $output is set, print the line
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*)
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test -z "$output" || echo "$line" >> $output
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;;
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esac
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done < $1
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IFS=$OLDIFS
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# just to be safe
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finish_output
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}
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for test_script in "$(dirname "$0")"/../test-results/*.out
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do
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handle_one $test_script
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done
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output_all
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