[tarantool-patches] [rfc 3/4] core/fiber: Put static watermark into stack to track its usage

Cyrill Gorcunov gorcunov at gmail.com
Tue Mar 5 11:14:14 MSK 2019


On Tue, Mar 05, 2019 at 11:10:13AM +0300, Konstantin Osipov wrote:
> * Cyrill Gorcunov <gorcunov at gmail.com> [19/03/03 23:25]:
> > +/*
> > + * Random values generated with uuid.
> > + * Try to fit a cache line.
> > + */
> > +static const uint64_t poison_pool[] = {
> > +	0x74f31d37285c4c37, 0xb10269a05bf10c29,
> > +	0x0994d845bd284e0f, 0x9ffd4f7129c184df,
> > +	0x357151e6711c4415, 0x8c5e5f41aafe6f28,
> > +	0x6917dd79e78049d5, 0xba61957c65ca2465,
> > +};
> 
> With randomness incorporated into each fiber I think we can reduce
> the poison pool to 4 8-byte integers or even less.

Will do, thanks!



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