On Fri, Aug 27, 2021 at 4:13 PM Yucong Sun <fallentree@xxxxxx> wrote: > > From: Yucong Sun <sunyucong@xxxxxxxxx> > > This patch adds "-p" parameter to test_progs, which will spawn workers and > distribute tests evenly among all workers, speeding up execution. make and pahole use -j for parallelism, let's use the same for familiarity? pahole (make gives a bad example in this regard) is using a good convention that if no number of workers is provided with -j, it assumes number of CPUs. I think that's a good default, let's do that as well. > > "-p" mode is optional, and works with all existing test selection mechanism, > including "-l". > > Each worker print its own summary and exit with its own status, the main > process will collect all status together and exit with a overall status. Signed-off-by: is missing, don't forget about it. > --- > tools/testing/selftests/bpf/test_progs.c | 94 ++++++++++++++++++++++-- > tools/testing/selftests/bpf/test_progs.h | 3 + > 2 files changed, 91 insertions(+), 6 deletions(-) > I'll add high-level comments on the cover letter (which single patch submissions don't really need, cover letter is required only for patch sets with more than one patch; no big deal, but keep this in mind).