Hello Tom,
Thanks for sharing your work, that's awesome!
On 14/11/20(Sat) 13:13, Tom Rollet wrote:
> Here is a diff for dynamic tracing of kernel's functions boundaries.
> It's implemented as one of the dt's provider on i386 and amd64.
> To activate it, DDBPROF and pseudo device dt must be
As requested by Philip Guenther here is more information on how to use
this new dt provider.
After applying the diff you need to add to /etc/sysctl.conf
ddb.profile=1
kern.allowdt=1
kern.allowkmem=1
There are two way to start the tracing.
The first one is to use kgmon that will instantiate all
Hi,
Here is a diff for dynamic tracing of kernel's functions boundaries.
It's implemented as one of the dt's provider on i386 and amd64.
To activate it, DDBPROF and pseudo device dt must be activated
on GENERIC.
For now it's working like DTRACE fbt(function boundaries tracing).
We replace the
