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RE: MAXACTION exceeded error while using systemtap
- From: "Stone, Joshua I" <joshua dot i dot stone at intel dot com>
- To: "Martin Hunt" <hunt at redhat dot com>, "Frank Ch. Eigler" <fche at redhat dot com>
- Cc: <systemtap at sources dot redhat dot com>
- Date: Thu, 8 Dec 2005 09:50:20 -0800
- Subject: RE: MAXACTION exceeded error while using systemtap
Martin Hunt wrote:
> Because timer probes can run in process context which means they
> sleep, can be scheduled, take as long as they want? Whereas a kprobe
> might be in the middle of a task switch.
I just want to point out that this is not true of the timer.profile
variety, which runs (by necessity) in a true interrupt context.
Josh