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ycxfxe8xn8ayjp8dbn7u9mig6aro3ay8 X-HE-Tag: 1688380437-467196 X-HE-Meta: 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 j+X8XMIZ 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kernbench. Christoph's point about= =20 > different page sizes is interesting. In the above results, I don't know= =20 > the page orders for the various slab caches that this workload will=20 > stress. I think the memory overhead data may be different depending on= =20 > how slab_max_order is being used, if at all. > > We should be able to run this through a variety of different benchmarks= =20 > and measure peak slab usage at the same time for due diligence. I suppor= t=20 > the change in the default, I would just prefer to know what the=20 > implications of it is. > > Is it possible to collect data for other microbenchmarks and real-world= =20 > workloads? And perhaps also with different page sizes where this will=20 > impact memory overhead more? I can help running more workloads once we= =20 > have the next set of data. > David, I agree about the need to perform those tests on hardware using larger pages. I will collect data if I have the chance to get my hands on one of these systems. Do you have specific tests or workload in mind ? Compiling the kernel with files sitting on an XFS partition is not exhaustive but it is the only test I could think of that is both easy to set up and can be=20 reproduced while keeping external interferences as little as possible. --=20 Julian --1aa52617d666ecc31db5683d1a9f819332dbe554bca71e33a35cfae951cc Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iJEEABYKADkWIQTd3Z6iZzTygRNy7F4XFh3U+bgUcgUCZKKj9RscanVsaWFuLnBp ZGFuY2V0QG9yYWNsZS5jb20ACgkQFxYd1Pm4FHJCgwEAhGeAaebDW+JfoTen2vN0 DCcrKQZD7d0hnSzHUXJpeeMBALNH7y5bxtxZUZkw1a2LTxPsa83kfrMRiE5vfHbG 4uII =L9/y -----END PGP SIGNATURE----- --1aa52617d666ecc31db5683d1a9f819332dbe554bca71e33a35cfae951cc--