* [LTP] memcg_stress on swap off system. [not found] ` <1992281802.879695.1486602784905@mail.yahoo.com> @ 2017-03-03 1:26 ` Hoang Nguyen 2017-03-03 9:41 ` Cyril Hrubis 0 siblings, 1 reply; 3+ messages in thread From: Hoang Nguyen @ 2017-03-03 1:26 UTC (permalink / raw) To: ltp Hi, On the ocassion of my last patch of panic_on_oom, ping this also. Thanks and regards, Hoang From: Hoang Nguyen <the_hoang0709@yahoo.com> To: LTP List <ltp@lists.linux.it> Sent: Thursday, 9 February 2017, 8:13 Subject: [LTP] memcg_stress on swap off system. Hi LTP team, I have this testcase run on my swap off system, and seem that the OOM restart it I'm not sure I understand the entirely purpose of the testcase.But it seems the testcases try to allocate all free memory remain on the system,keep it for a while, then the main process send the signal to kill child process mem=$(( $mem_free + $swap_free / 2 )) mem=$(( mem / 1024 )) In case we have no swap_free, all memory is allocated, and trigger the OOM.I've still concerned which should be correct appoarch on swap-off system ? (set panic_on_oom=0 to avoid restaring Or the testcase shouldcheck if swap_free = 0, then we margin 10% of the final $mem ?) (actullay pass/fail metric of this testcase is not so clear with me) Could anyone give me some hints ? Thanks a lot in advance Hoang -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.linux.it/pipermail/ltp/attachments/20170303/f182a485/attachment.html> ^ permalink raw reply [flat|nested] 3+ messages in thread
* [LTP] memcg_stress on swap off system. 2017-03-03 1:26 ` [LTP] memcg_stress on swap off system Hoang Nguyen @ 2017-03-03 9:41 ` Cyril Hrubis 2017-03-05 4:03 ` Hoang Nguyen 0 siblings, 1 reply; 3+ messages in thread From: Cyril Hrubis @ 2017-03-03 9:41 UTC (permalink / raw) To: ltp Hi! The test does not work on swapless system, there was a discussion about this some time ago: http://lists.linux.it/pipermail/ltp/2015-November/000470.html -- Cyril Hrubis chrubis@suse.cz ^ permalink raw reply [flat|nested] 3+ messages in thread
* [LTP] memcg_stress on swap off system. 2017-03-03 9:41 ` Cyril Hrubis @ 2017-03-05 4:03 ` Hoang Nguyen 0 siblings, 0 replies; 3+ messages in thread From: Hoang Nguyen @ 2017-03-05 4:03 UTC (permalink / raw) To: ltp Hi Cyril, Thanks a lot for your information. Best regards. Hoang From: Cyril Hrubis <chrubis@suse.cz> To: Hoang Nguyen <the_hoang0709@yahoo.com> Cc: LTP List <ltp@lists.linux.it> Sent: Friday, 3 March 2017, 16:41 Subject: Re: [LTP] memcg_stress on swap off system. Hi! The test does not work on swapless system, there was a discussion about this some time ago: http://lists.linux.it/pipermail/ltp/2015-November/000470.html -- Cyril Hrubis chrubis@suse.cz -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.linux.it/pipermail/ltp/attachments/20170305/0f3e409e/attachment.html> ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2017-03-05 4:03 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- [not found] <1992281802.879695.1486602784905.ref@mail.yahoo.com> [not found] ` <1992281802.879695.1486602784905@mail.yahoo.com> 2017-03-03 1:26 ` [LTP] memcg_stress on swap off system Hoang Nguyen 2017-03-03 9:41 ` Cyril Hrubis 2017-03-05 4:03 ` Hoang Nguyen
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