julien cubizolles a écrit : > Le vendredi 11 décembre 2009 à 21:56 +0100, Benoit PAPILLAULT a écrit : > >> In order to get more information on what happens in your situation, you >> need to use debugfs : >> >> mount -t debugfs debugfs /sys/kernel/debug >> >> Then, minstrel statistics should be available in : >> >> /sys/kernel/debug/ieee80211/phy<x>/stations/<mac>/rc_stats >> >> Please provide a copy of this file after doing an iperf over your >> wireless link for instance. > Could you tell me which iperf command to run ? I've never used it and > maybe I'm doing something wrong but I tried : > > iperf -c 192.168.0.254 -m -w 200K -i 3 -t 30 -r -r > > and I only get : > > ------------------------------------------------------------ > Server listening on TCP port 5001 > TCP window size: 256 KByte (WARNING: requested 200 KByte) > ------------------------------------------------------------ > > and no measurements (192.168.0.254 is the name of my gateway).
First, you need to run "iperf -s" on a server machine (not on your PC, best is a machine on your wired LAN). Then, you need to run "iperf -c <server_IP>" on your PC. It will connect to the iperf server and sends a TCP stream for 10 seconds. After 10 seconds, it will display the throughput measured. A better command is : "iperf -c <server_IP> -i 1 -t 60" => iperf will run for 60s instead of 10s and will display throughput every seconds. > > Here is the corresponding rc_stats file anyway but I guess it's of no > use: > > rate throughput ewma prob this prob this succ/attempt success > attempts > TtP 1 0.0 0.0 0.0 1( 0) 0 > 0 > 2 0.0 0.0 0.0 0( 0) 0 > 0 > 5.5 0.0 0.0 0.0 0( 0) 0 > 0 > 11 0.0 0.0 0.0 0( 0) 0 > 0 > 6 0.0 0.0 0.0 0( 0) 0 > 0 > 9 0.0 0.0 0.0 0( 0) 0 > 0 > 12 0.0 0.0 0.0 0( 0) 0 > 0 > 18 0.0 0.0 0.0 0( 0) 0 > 0 > 24 0.0 0.0 0.0 0( 0) 0 > 0 > 36 0.0 0.0 0.0 0( 0) 0 > 0 > 48 0.0 0.0 0.0 0( 0) 0 > 0 > 54 0.0 0.0 0.0 0( 0) 0 > 0 > > Total packet count:: ideal 4858 lookaround 255 Your counters are zero, so it's not useful yet, run iperf or browse some web pages first. Regards, Benoit ------------------------------------------------------------------------------ Return on Information: Google Enterprise Search pays you back Get the facts. http://p.sf.net/sfu/google-dev2dev _______________________________________________ Zd1211-devs mailing list - http://zd1211.wiki.sourceforge.net/ Unsubscribe: https://lists.sourceforge.net/lists/listinfo/zd1211-devs
