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Message-ID: <45827B5F.2080303@tik.ee.ethz.ch> Date: Fri, 15 Dec 2006 11:39:27 +0100 From: Rainer Baumann <baumann@....ee.ethz.ch> To: Stephen Hemminger <shemminger@...l.org>, netdev@...R.KERNEL.ORG, netem@...l.org Subject: [PATCH 2.6.18 1/2] LARTC: trace control for netem: userspace Trace Control for Netem: Emulate network properties such as long range dependency and self-similarity of cross-traffic. user space (iproute2): The directory tc/netem was split in two parts, one containing the original distribution tables and the other the tools to generate trace files as well as the program responsible for reading the delay values from the trace file and sending them to the kernel (called flowseed). If the trace option is set, netem initializes the kernel and starts the flowseedprocess. The flowseedprocess does not send data to the kernel until the registration is completed. The data is sent to the kernel module via configfs. For each qdisc applied, a new directory (in /config/tcn/) is created. The write returns when the kernel needs new data, or when the corresponding qdisc was deleted. In the first case new data is sent and in the latter case the flowseedprocess terminates himself. Signed-off-by: Rainer Baumann <baumann@....ee.ethz.ch> --- Patch for iproute2-2.6.16-060323: http://tcn.hypert.net/tcn_iproute2.patch - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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