2013/2/18 Kevin Wilson <[email protected]>: > Hi, > I added a network event trace thus: > > echo 1 > /sys/kernel/debug/tracing/events/net/net_dev_xmit/enable > > Afterwards I see many lines with net_dev_xmit in /sys/kernel/debug/tracing. > > > Now, looking in the source code, I see that there are two calls to > trace_net_dev_xmit() in > dev_hard_start_xmit(). These invocations are identical. > > see: > http://lxr.free-electrons.com/source/net/core/dev.c?v=2.6.37 > > Is there a way in which I can make the log say which of these > invocations was called ? > (without changing the dev_hard_start_xmit() method).
Yeah, you can enable the stacktraces in ftrace: echo stacktrace > /sys/kernel/debug/tracing/trace_options _______________________________________________ Kernelnewbies mailing list [email protected] http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
