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systemtap for ixgbe driver on Fedora
- From: Carol Liu - Sun Microsystems - Beijing China <Carol dot Liu at Sun dot COM>
- To: systemtap at sourceware dot org
- Date: Mon, 28 Sep 2009 16:57:15 +0800
- Subject: systemtap for ixgbe driver on Fedora
Hi :
I tried to trace some function the driver/net ixgbe by systemtap, but
it always fails with following errors:
[root@petpig demo]# lsmod|grep ixgbe
ixgbe 106084 1
dca 5152 1 ixgbe
mdio 3772 1 ixgbe
[root@petpig demo]# cat ixgbe.stp
probe kernel.function("ixgbe_fcoe_ddp_put") { log ("enter") }
probe kernel.function("ixgbe_fcoe_ddp_put").return { log ("exit") }
[root@petpig demo]# stap -v ixgbe.stp
Pass 1: parsed user script and 59 library script(s) in
150usr/10sys/166real ms.
semantic error: no match while resolving probe point
kernel.function("ixgbe_fcoe_ddp_put")
semantic error: no match while resolving probe point
kernel.function("ixgbe_fcoe_ddp_put").return
Pass 2: analyzed script: 0 probe(s), 0 function(s), 0 embed(s), 0
global(s) in 420usr/30sys/458real ms.
Pass 2: analysis failed. Try again with another '--vp 01' option.
root@petpig demo]# stap -V
SystemTap translator/driver (version 0.9.9/0.141 non-git sources)
Copyright (C) 2005-2009 Red Hat, Inc. and others
This is free software; see the source for copying conditions.
The self-build kernel version is 2.6.31.
Anyone give me some hint ? really really appreciate that. :)
/Carol