On Wed, Feb 23, 2005 at 04:47:58AM -0800, mehta kiran wrote: Kiran,
As I said in my earlier mail, tag is there and it is usable currently. It is just not inherited... The code is already there, but commented out. I am trying to remember if there was any problem with that feature. You can try it by uncommenting the code that copies the app_tag in rbcemod.c:create_private_data(), and run some tests. chandra > Hi Chandra , > Thanks. > but i have a small query which remains > unanswered. > I went through resource management on > other operating systems.SRM > (Solaris resource Manager) , PRM(Process > Resource Manager on HP) have entity called as > projectid (same as application tag on linux) > which is being used by many application > > > This feature may be very important users > perspective. > Are you planning to enable application tag > on linux in near future ? > > Please let me know. > > thanks, > --kiran > > --- Chandra Seetharaman <[EMAIL PROTECTED]> wrote: > > > On Mon, Feb 21, 2005 at 08:37:14PM -0800, mehta > > kiran wrote: > > > Hi Chandra , > > > Your reply was definitely helpful. > > > 1.From your reply what i concluded is that > > > *if* after fork child belongs to the same > > class > > > as parent(in accordance with CE rules) , then > > > both parent and child will respect attribute > > > values(ex: amount of cpu or mem pages). > > yes. > > > > > 2.But is there any way to specify a rule , so > > > that all the descendents of a process belong > > > to same class. > > > > Inheriting tags would provide this functionality. > > Currently, it is > > disabled.. I don't exactly remember why we disabled > > it. will try to > > remember. > > > > > 3.From other mails on this mailing list , I > > > inferred that tag(application tag) cannot be > > > used for this purpose. > > > 4.I can not find any info on "tag". > > > If i start a new process what will be its > > > tag.Is it inherited by child? > > > > Tag gets associated with a process only when you > > write the "pid tag" to the > > rbce_tag file. currently it is not inherited, so > > there is no tag for a > > process at fork. > > Also, tags come into picture only if you have RBCE. > > > > > > > > Example: > > > > > > I have bash running. If i do > > > # su - abc > > > then new process created goes in > > > a different class. > > > I could not find any rule which can hold both > > > parent and child in same class if child pid, > > > child gid change.(child is diffrent command > > then > > > parent nad hence cmd and args will not always > > > > > prove useful) > > > > > > 5. If whatever i told above is not wrong, > > > any plans to provide such a facility? > > > > > > thanks & regards, > > > --kiran > > > > > > > > > --- Chandra Seetharaman <[EMAIL PROTECTED]> > > wrote: > > > > > > > On Mon, Feb 21, 2005 at 02:12:10AM -0800, mehta > > > > kiran wrote: > > > > > Hi , > > > > > If CKRM is being used , is it always > > > > guaranteed > > > > > that child inherits parents attribute values. > > > > > > > > In the absence of CE, at fork(), parent's class > > _is_ > > > > inherited > > > > by the child. > > > > > > > > If you have a CE, then the CE determines where > > the > > > > new task ends, CE > > > > could decide the classification at fork(), > > exec() or > > > > any other kernel > > > > classification points. For example, in RBCE if > > you > > > > have a rule > > > > "cmd=sleep,class=/rcfs/taskclass/sleep_class", > > and > > > > bash belongs to > > > > /rcfs/taskclass, then when sleep is invoked from > > > > bask, at fork(), the new > > > > task will belong to /rcfs/taskclass, and after > > exec > > > > it will be moved to > > > > /rcfs/taskclass/sleep_class. > > > > > > > > > > > > > Ex: parent uses 10% of cpu then will child > > > > > also use 10% of avaible cpu > > > > > > > > They both will belong to the same class, and the > > > > class will be entitled to > > > > 10% of available cpu. > > > > > > > > > > thanks, > > > > > --kiran > > > > > > > > > > > > > > > > > __________________________________________________ > > > > > Do You Yahoo!? > > > > > Tired of spam? Yahoo! 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Mail > > SpamGuard. > > > http://promotions.yahoo.com/new_mail > > > > -- > > > > > ---------------------------------------------------------------------- > > Chandra Seetharaman | Be careful > > what you choose.... > > - [EMAIL PROTECTED] | > > .......you may get it. > > > ---------------------------------------------------------------------- > > > > > > > ------------------------------------------------------- > > SF email is sponsored by - The IT Product Guide > > Read honest & candid reviews on hundreds of IT > > Products from real users. > > Discover which products truly live up to the hype. > > Start reading now. > > > http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click > > _______________________________________________ > > ckrm-tech mailing list > > > https://lists.sourceforge.net/lists/listinfo/ckrm-tech > > > > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! 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