Le 12/10/2010 07:05, KAMEZAWA Hiroyuki a Ãcrit : > On Fri, 08 Oct 2010 10:09:51 +0200 > MALATTAR<mouhannad.alattar@xxxxxxxxxxxxxx> wrote: > >> Le 07/10/2010 16:43, MALATTAR a Ãcrit : >>> ------------------------------------------------------------------------ >>> 06.10.2010 23:41, MALATTAR ?????: >>> >>>> / the container dora1, where i launch an instance of my IDS, does not take >>> />/ more than 70 MB as memory even though the memory limit for it is much >>> />/ bigger than this value, >>> / >>> How do you measure memory usage? >> by using the command: >> lxc-cgroup -n dora1 memory.usage_in_bytes >>> What's in memory.max_usage_in_bytes of >>> the container's cgroup? >> executing the next command lxc-cgroup -n dora1 memory.max_usage_in_bytes >> gave me 70193152 bytes >> > Hmm. what latencytop shows ? > > You can see this kind of output. > == > Cause Maximum Percentage > Writing a page to disk 551.6 msec 36.8 % > Fork() system call 273.7 msec 1.1 % > Page fault 253.9 msec 29.5 % > Writing buffer to disk (synchronous) 225.9 msec 2.9 % > Creating block layer request 202.7 msec 17.1 % > Walking directory tree 161.5 msec 1.4 % > [congestion_wait] 97.6 msec 4.4 % > Executing a program 97.1 msec 0.3 % > synchronous write 73.9 msec 0.1 % > == > > IMHO, if memory limit is the problem, "Page Fault" tend to be big. > > > Thanks, > -Kame > > executing latencytop during the execution of my program gave me: Cause Maximum Percentage fsync() on a file (type 'F' for details) 45.1 msec 2.2 % Waiting for event (poll) 5.0 msec 47.9 % Userspace lock contention 5.0 msec 43.1 % Waiting for event (select) 4.8 msec 5.7 % Throttling GPU while waiting for commands 3.4 msec 0.4 % [i915_do_wait_request] 3.3 msec 0.5 % Waiting for data on unix socket 0.3 msec 0.1 % Waiting for TTY data 0.2 msec 0.1 % Process mysqld (291) Total: 2.3 msec Waiting for data on unix socket 0.3 msec 100.0 % It seems that there is no problem... also memtest command was able to allocate up to 1024MB but it takes a long time for one loop only ... So, i think the problem is in my program not in the container, is not it? a+ -- Mouhannad AlATTAR Doctorant à LâUFR Sciences,Techniques et Gestion de lâIndustrie PÃle multimedia de Franche Comtà - numerica 1, cours Leprince-Ringuet 25201 MontbÃliard Fixe bureau : 03 81 99 47 87 Portable : 06 16 71 05 10 _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers