On Tue, 2008-08-05 at 11:06 -0700, Ranjit Manomohan wrote: > On Tue, Aug 5, 2008 at 4:00 AM, Subrata Modak > <[EMAIL PROTECTED]> wrote: > > > > On Fri, 2008-07-25 at 05:18 +0530, Subrata Modak wrote: > >> Hi Ranjit, > >> > >> Good to see these Traffic control patches for the Linux kernel. Let me > >> take this opportunity to convey that we have: > >> > >> 1) CPU & Memory controller test cases (the corresponding features are > >> already in mainline kernel), > >> 2) The I/O bandwidth controller test cases (corresponding > >> infrastructure proposed by Andrea, but still not in any kernel tree) > >> > >> in LTP (http://ltp.sourceforge.net/). > >> > >> Could you kindly let me know if you have developed similar test cases > >> for your Traffic control features, and, if they can be contributed to > >> LTP under GPL. > > > > Ranjit, > > > > Would you like to tell us something on the test cases for this ? > > Subrata, > We have some internal test cases but not under LTP. Let me take a > look at the existing LTP infrastructure and see if these can be ported > over.
Thanks Ranjit. Let me say that any test cases that returns 0 on PASS, or some non-zero on failure can be easily integrated under LTP. If you would like to give me those test cases, i can try integrating them and send you across the results. Regards-- Subrata > > -Thanks, > Ranjit > > > > > > Regards-- > > Subrata > > > >> > >> Regards-- > >> Subrata > >> > >> On Fri, Jul 25, 2008 at 5:03 AM, Ranjit Manomohan <[EMAIL PROTECTED]> > >> wrote: > >> [Take 4] incorporated additional comments from Patrick McHardy > >> > >> This patch provides a simple resource controller (cgroup_tc) > >> based on the > >> cgroups infrastructure to manage network traffic. The > >> cgroup_tc resource > >> controller can be used to schedule and shape traffic belonging > >> to the task(s) > >> in a particular cgroup. > >> > >> The implementation consists of two parts: > >> > >> 1) A resource controller (cgroup_tc) that is used to associate > >> packets from > >> a particular task belonging to a cgroup with a traffic > >> control class id ( > >> tc_classid). This tc_classid is propagated to all sockets > >> created by tasks > >> in the cgroup and will be used for classifying packets at > >> the link layer. > >> > >> 2) A new traffic control classifier (cls_cgroup) that can > >> classify packets > >> based on the tc_classid field in the socket to specific > >> destination classes. > >> > >> An example of the use of this resource controller would be to > >> limit > >> the traffic from all tasks from a file_server cgroup to > >> 100Mbps. We could > >> achieve this by doing: > >> > >> # make a cgroup of file transfer processes and assign it a > >> arbitrary unique > >> # classid of 0x1234 - this will be used later to direct > >> packets. > >> mkdir -p /dev/cgroup > >> mount -t cgroup tc -otc /dev/cgroup > >> mkdir /dev/cgroup/file_transfer > >> echo 0x1234 > /dev/cgroup/file_transfer/tc.classid > >> echo $PID_OF_FILE_XFER_PROCESS > >> > /dev/cgroup/file_transfer/tasks > >> > >> # Now create a HTB class that rate limits traffic to 100mbits > >> and attach > >> # a filter to direct all traffic from cgroup file_transfer to > >> this new class. > >> tc qdisc add dev eth0 root handle 1: htb > >> tc class add dev eth0 parent 1: classid 1:10 htb rate 100mbit > >> ceil 100mbit > >> tc filter add dev eth0 parent 1: handle 800 protocol ip prio 1 > >> cgroup value 0x1234 classid 1:10 > >> > >> Signed-off-by: Ranjit Manomohan <[EMAIL PROTECTED]> > >> > >> --- > >> -- > >> To unsubscribe from this list: send the line "unsubscribe > >> linux-kernel" in > >> the body of a message to [EMAIL PROTECTED] > >> More majordomo info at > >> http://vger.kernel.org/majordomo-info.html > >> Please read the FAQ at http://www.tux.org/lkml/ > >> > >> > >> > >> -- > >> Regards & Thanks-- > >> Subrata > >> ------------------------------------------------------------------------- > >> This SF.Net email is sponsored by the Moblin Your Move Developer's > >> challenge > >> Build the coolest Linux based applications with Moblin SDK & win great > >> prizes > >> Grand prize is a trip for two to an Open Source event anywhere in the world > >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ > >> _______________________________________________ Ltp-list mailing list > >> Ltp-list@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/ltp-list > > > > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Ltp-list mailing list Ltp-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ltp-list
