That's cool. I though maybe extending the PCEvent class with a PyPCEvent
class which should have a callback to python. But before I can do that I'll
have to read up on the swig stuff, which I am not that familiar with.

On Thu, Dec 15, 2011 at 5:43 PM, Ali Saidi <[email protected]> wrote:

> You can add events like the following:
>
> if (kernelSymtab->findAddress("__udelay", addr)) {
>
>      uDelaySkipEvent = new UDelayEvent(&pcEventQueue, "__udelay",
>  fixFuncEventAddr(addr), 1000, 0);
>
> }
>
>
>
> This could be based on parameters and will work just fine if you are
> interested in kernel events.
>
>
>
> You can also add m5 ops to binary of interest for example m5 work begin
> and m5 work end to signify you're in the region of interest or have
> completed N transactions and want to create a checkpoint, etc.
>
>
>
> There is no easy way to get a symbol table of a user process while
> executing in the simulator, but if you know a virtual address or a physical
> address (not symbol) you can create an event for it like the UDelayEvent
> above that does whatever you like.
>
>
>
> Ali
>
>
>
>
>
> On Thu, 15 Dec 2011 22:24:54 +0800, "huangyongbing" <
> [email protected]> wrote:
>
>  Hi,
>
>
>
>          To my understanding, there are no interfaces to monitor virtual
> PC addresses provided by gem5. The most convenient way is instrumentation.
>
>
>
> -Yongbing Huang
>
>
>
> *From:* [email protected] [mailto:[email protected]] *On
> Behalf Of *Anders Handler
> *Sent:* Thursday, December 15, 2011 8:13 PM
> *To:* gem5 users mailing list
> *Subject:* [gem5-users] Dump trace to file using breakpoints
>
>
>
> Hi,
>
>
>
> I am making full system simulations on X86. What I would like to do is to
> make "breakpoints" which can start and stop statistics and dump trace to a
> file.
>
>
>
> My breakpoints should simply be virtual PC addresses (I will find a method
> to handle multiple programs having the same virtual address space, thus
> triggering the breakpoints)
>
>
>
> Are there any good way of doing this? Is there an easy way to create
> breakpoints like from Python?
>
>
>
> Thanks in advance!
>
>
>
> Best regards
>
> Anders
>
>
>
>
>
> _______________________________________________
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> [email protected]
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>
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