Messages in this thread | | | Date | Tue, 30 Sep 2008 10:23:21 -0700 | From | "Martin Bligh" <> | Subject | Re: [RFC PATCH] LTTng relay buffer allocation, read, write |
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On Tue, Sep 30, 2008 at 10:22 AM, Martin Bligh <mbligh@google.com> wrote: >> A 4 byte dataless payload is useless anyway. > > Not at all convinced that's true - we used it for lots of things. > Start and end of irq event is one frequent example. > > Also, in a compact mode, we can record start and end of > syscalls like this (without parameters).
Ah, sorry, maybe I misread this. No data with no event ids, etc is fairly useless. 4 bytes data including space to record event ids is OK.
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