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 $GIT_ROOT/t/ to group the valgrind errors
by backtrace.
Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
---
t/valgrind/analyze.sh | 123 +++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 123 insertions(+), 0 deletions(-)
create mode 100755 t/valgrind/analyze.sh
diff --git a/t/valgrind/analyze.sh b/t/valgrind/analyze.sh
new file mode 100755
index 0000000..d8105d9
--- /dev/null
+++ b/t/valgrind/analyze.sh
@@ -0,0 +1,123 @@
+#!/bin/sh
+
+out_prefix=$(dirname "$0")/../test-results/valgrind.out
+output=
+count=0
+total_count=0
+missing_message=
+new_line='
+'
+
+# start outputting the current valgrind error in $out_prefix.++$count,
+# and the test case which failed in the corresponding .message file
+start_output () {
+ test -z "$output" || return
+
+ # progress
+ total_count=$(($total_count+1))
+ test -t 2 && printf "\rFound %d errors" $total_count >&2
+
+ count=$(($count+1))
+ output=$out_prefix.$count
+ : > $output
+
+ echo "*** $1 ***" > $output.message
+}
+
+finish_output () {
+ test ! -z "$output" || return
+ output=
+
+ # if a test case has more than one valgrind error, we need to
+ # copy the last .message file to the previous errors
+ test -z "$missing_message" || {
+ while test $missing_message -lt $count
+ do
+ cp $out_prefix.$count.message \
+ $out_prefix.$missing_message.message
+ missing_message=$(($missing_message+1))
+ done
+ missing_message=
+ }
+}
+
+# group the valgrind errors by backtrace
+output_all () {
+ last_line=
+ j=0
+ i=1
+ while test $i -le $count
+ do
+ # output <number> <backtrace-in-one-line>
+ echo "$i $(tr '\n' ' ' < $out_prefix.$i)"
+ i=$(($i+1))
+ done |
+ sort -t ' ' -k 2 | # order by <backtrace-in-one-line>
+ while read number line
+ do
+ # find duplicates, do not output backtrace twice
+ if test "$line" != "$last_line"
+ then
+ last_line=$line
+ j=$(($j+1))
+ printf "\nValgrind error $j:\n\n"
+ cat $out_prefix.$number
+ printf "\nfound in:\n"
+ fi
+ # print the test case where this came from
+ printf "\n"
+ cat $out_prefix.$number.message
+ done
+}
+
+handle_one () {
+ OLDIFS=$IFS
+ IFS="$new_line"
+ while read line
+ do
+ case "$line" in
+ # backtrace, possibly a new one
+ ==[0-9]*)
+
+ # Does the current valgrind error have a message yet?
+ case "$output" in
+ *.message)
+ test -z "$missing_message" &&
+ missing_message=$count
+ output=
+ esac
+
+ start_output $(basename $1)
+ echo "$line" |
+ sed 's/==[0-9]*==/==valgrind==/' >> $output
+ ;;
+ # end of backtrace
+ '}')
+ test -z "$output" || {
+ echo "$line" >> $output
+ test $output = ${output%.message} &&
+ output=$output.message
+ }
+ ;;
+ # end of test case
+ '')
+ finish_output
+ ;;
+ # normal line; if $output is set, print the line
+ *)
+ test -z "$output" || echo "$line" >> $output
+ ;;
+ esac
+ done < $1
+ IFS=$OLDIFS
+
+ # just to be safe
+ finish_output
+}
+
+for test_script in "$(dirname "$0")"/../test-results/*.out
+do
+ handle_one $test_script
+done
+
+output_all
--
1.6.1.2.582.g3fdd5
--
To unsubscribe from this list: send the line "unsubscribe git" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
