On Mon, May 28, 2012 at 04:58:24PM -0600, Andreas Dilger wrote: > Change the e2fsck/mke2fs/tune2fs/e2image/debugfs regression tests > to be driven by Makefile rules instead of by a script loop. This > allows the tests to be run in parallel like a build and reduces > testing time significantly. > > One major change to the tests themselves is to printing the test > name, description, and status together after the test has passed > or failed, to avoid mixing lines from the tests. The other major > change is to use unique temporary filenames for each test, which was > mostly handled already via b4db1e4c7461a50e18c9fd135b9f1ba6f27e4390, > but in some cases temporary files are changed to use $test_name.tmp > to avoid any collision between running tests. > > On my old 2-CPU system it reduced the testing time from 160s to 40s. > Much of the savings is from the MMP test delays running in parallel. > It still takes the time of the slowest test, f_mmp_garbage, though > there will be ongoing benefit in the future as more tests are added > since the wallclock time will not increase linearly for each test. > > Tests were run with various combinations of "make -j", and "make -j2" > through "make -j44" repeatedly without any test failures. > > Signed-off-by: Andreas Dilger <adilger@xxxxxxxxxxxxx> Applied with some fixes; test_script was still working correctly with VPATH. Also, removing the writeable flag from test_one and test_script means that Makefile will get a "permission denied" if it needs to rebuild those two files. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html