On 8/13/07, Miroslav Lachman <[EMAIL PROTECTED]> wrote: > > Chris Thunes wrote: > > Hey all, > > I've been working with the resource limiting patches on a 6.2installation > > and haven't been able to get jtune to show memory usage for jails at > all. > > > > [EMAIL PROTECTED] ~ # jtune -j 15 -i > > JID Hostname Memory Used / Limit CPU Shares > > 15 jail0.rootbsd.net 0 M / 256 M 0 > > > > I have the limits enabled in sysctl and really have idea as to why this > > wouldn't be displaying correctly. If there is anyone who can point me in > the > > right direction the help would be greatly appreciated. > > Hi, > I had same question more than month ago, but no answer (2007-06-29). So > I think no competent person is subscribed to this list. > [I CCed cdjones now = maybe he knows :)] > > Miroslav Lachman >
I found the problem and was able to fix it and created a small patch for anyone who needs this fixed. A function called prison_memory in sys/kern/kern_jail.c is called to calculate the memory usage for a given jail but this value is never stored back to the corresponding prison object which is used by jtune to check the memory usage. This patch just drops a few lines in at the end of prison_memory to store this value to the structure. If anyone knows any adverse side effects this would cause please let me know. - Chris
jtune_fix-2007-08-13.patch
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