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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" On Tue, May 09, 2023 at 07:52:56AM +0200, Petr Vorel wrote: > > On Fri, May 05, 2023 at 07:31:37PM +0200, Petr Vorel wrote: > > > Hi Wei, > > > > > +static struct tst_test test = { > > > > + .test_all = do_test, > > > > + .setup = setup, > > > > + .forks_child = 1, > > > > + .needs_checkpoints = 1, > > > > + .max_runtime = 120, > > > Are you sure 2 min is enough? Maybe we need to use tst_remaining_runtime() to > > > check if we're not running out of time. > > > Seems difficult to check with tst_remaining_runtime since i can use code such as: > > while(tst_remaining_runtime()) > > wait_for_pid(); > > If you don't know how to use tst_remaining_runtime() how about getting > inspiration from lib/newlib_tests/test_runtime01.c ? What i mean is i can not use while or do loop to check tst_remaining_runtime, since the last function wait_for_pid() already hold(block) the current process and you do not need and can not use tst_remaining_runtime(). Sorry if any misunderstood. > > static void run(void) > { > int runtime; > > tst_res(TINFO, "..."); > > do { > runtime = tst_remaining_runtime(); > tst_res(TINFO, "Remaining runtime %d", runtime); > sleep(1); > } while (runtime); > > tst_res(TPASS, "Test passed"); > } > > static struct tst_test test = { > .test_all = run, > .max_runtime = 120, > }; > > => Also, it's a question, how long should the test be running. > Is it worth to be running for 2 mins? It's kind of stress test, right? > But even that wouldn't be 30 sec enough? Normally the default value which i set will spend ~30s i test in virtual machine. I suppose 2mins max_runtime should be safe enough. Yes it can be taken as stress test, you need a big loop number to let test run. In latest v2 patch the number of loop and max_runtime both configurable, so if your machine is too slow maybe you need adjust parameter. > > Kind regards, > Petr > > > > Also, if we set getopt to choose number of options, we'd need to adjust it by > > > tst_set_max_runtime(). > > > > Kind regards, > > > Petr > > > > > +}; -- Mailing list info: https://lists.linux.it/listinfo/ltp