Paul Mackerras wrote:
> Geert Uytterhoeven writes:
>
>> +#define WARN_EMULATE(type) \
>> + do { \
>> + static unsigned int count; \
>> + if (count++ < 10) \
>> + pr_warning("%s used emulated %s instruction\n", \
>> + current->comm, type); \
>
> Thinking about this a bit more, if an instruction gets emulated 10
> times then I don't care, since it's probably only cost me 10
> microseconds or so. If it gets emulated a million times then I might
> want to look at it. So in fact this approach doesn't give me the
> information I need to know whether there is a real problem or not.
Maybe print the first time, then when it's happened 10 times, then 100,
then 1000, etc.
-Scott
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