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tests: Enable running parallel unit tests for Windows.
testsuite uses mkfifo in its job dispatcher that manages parallel unit tests. MinGW does not have a mkfifo. This results in unit tests running serially on Windows. Right now it takes up to approximately 40 minutes to run all the unit tests on Windows. This commit provides a job dispatcher for MinGW that uses temporary files instead of mkfifo to manage parallel jobs. With this commit, on a Windows machine with 4 cores and with 8 parallel unit test sessions, it takes approximately 8 minutes to finish a unit test run. Signed-off-by: Gurucharan Shetty <[email protected]> Acked-by: Eitan Eliahu <[email protected]> Acked-by: Ben Pfaff <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| --- testsuite 2015-02-11 17:19:21.654646439 -0800 | ||
| +++ testsuite 2015-02-11 17:15:03.810653032 -0800 | ||
| @@ -4669,6 +4669,73 @@ | ||
| fi | ||
| exec 6<&- | ||
| wait | ||
| +elif test $at_jobs -ne 1 && | ||
| + test "$IS_WIN32" = "yes"; then | ||
| + # FIFO job dispatcher. | ||
| + trap 'at_pids= | ||
| + for at_pid in `jobs -p`; do | ||
| + at_pids="$at_pids $at_job_group$at_pid" | ||
| + done | ||
| + if test -n "$at_pids"; then | ||
| + at_sig=TSTP | ||
| + test "${TMOUT+set}" = set && at_sig=STOP | ||
| + kill -$at_sig $at_pids 2>/dev/null | ||
| + fi | ||
| + kill -STOP $$ | ||
| + test -z "$at_pids" || kill -CONT $at_pids 2>/dev/null' TSTP | ||
| + | ||
| + echo | ||
| + # Turn jobs into a list of numbers, starting from 1. | ||
| + running_jobs="`pwd`/tests/jobdispatcher" | ||
| + mkdir -p $running_jobs | ||
| + at_joblist=`$as_echo "$at_groups" | sed -n 1,${at_jobs}p` | ||
| + | ||
| + set X $at_joblist | ||
| + shift | ||
| + for at_group in $at_groups; do | ||
| + $at_job_control_on 2>/dev/null | ||
| + ( | ||
| + # Start one test group. | ||
| + $at_job_control_off | ||
| + touch $running_jobs/$at_group | ||
| + trap 'set +x; set +e | ||
| + trap "" PIPE | ||
| + echo stop > "$at_stop_file" | ||
| + rm -f $running_jobs/$at_group | ||
| + as_fn_exit 141' PIPE | ||
| + at_fn_group_prepare | ||
| + if cd "$at_group_dir" && | ||
| + at_fn_test $at_group && | ||
| + . "$at_test_source" | ||
| + then :; else | ||
| + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unable to parse test group: $at_group" >&5 | ||
| +$as_echo "$as_me: WARNING: unable to parse test group: $at_group" >&2;} | ||
| + at_failed=: | ||
| + fi | ||
| + rm -f $running_jobs/$at_group | ||
| + at_fn_group_postprocess | ||
| + ) & | ||
| + $at_job_control_off | ||
| + shift # Consume one token. | ||
| + if test $# -gt 0; then :; else | ||
| + while [ "`ls -l $running_jobs 2>/dev/null | wc -l`" -gt "$at_jobs" ]; do | ||
| + sleep 0.1 | ||
| + done | ||
| + set x $* | ||
| + fi | ||
| + test -f "$at_stop_file" && break | ||
| + done | ||
| + # Read back the remaining ($at_jobs - 1) tokens. | ||
| + set X $at_joblist | ||
| + shift | ||
| + if test $# -gt 0; then | ||
| + shift | ||
| + while [ "`ls -l $running_jobs | wc -l`" -gt 1 ]; do | ||
| + sleep 0.1 | ||
| + done | ||
| + fi | ||
| + rmdir $running_jobs | ||
| + wait | ||
| else | ||
| # Run serially, avoid forks and other potential surprises. | ||
| for at_group in $at_groups; do |