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From: "Joonbum Byun" <jbyun@syntek-usa.com>
To: <systemtap@sources.redhat.com>
Subject: Probing CPU attached kernel variable
Date: Fri, 10 Apr 2009 15:11:00 -0000
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Hi;

I'm trying to probe CPU attached kernel variable with Systemtap. To be
specific, I'd like to read variable 

__get_cpu_var(netdev_rx_stat).total++ within function netif_rx () at kernel
file ./net/core/dev.c.

Any sample scripts or tips for the goal would be highly appreciated.

Joon