On Mon, Nov 06, 2023 at 03:35:01PM +0300, Nazir Bilal Yavuz wrote:
> Results are:
>
> ╔═════════╦═══════════════════════════════╦════════╗
> ║ ║ track_wal_io_timing ║ ║
> ╠═════════╬═══════════════╦═══════════════╬════════╣
> ║ clock ║ on ║ off ║ change ║
> ║ sources ║ ║ ║ ║
> ╠═════════╬═══════════════╬═══════════════╬════════╣
> ║ tsc ║ ║ ║ ║
> ║ ║ 514814.459170 ║ 519826.284139 ║ %1 ║
> ╠═════════╬═══════════════╬═══════════════╬════════╣
> ║ hpet ║ ║ ║ ║
> ║ ║ 132116.272121 ║ 141820.548447 ║ %7 ║
> ╠═════════╬═══════════════╬═══════════════╬════════╣
> ║ acpi_pm ║ ║ ║ ║
> ║ ║ 394793.092255 ║ 403723.874719 ║ %2 ║
> ╚═════════╩═══════════════╩═══════════════╩════════╝
Thanks for the tests. That's indeed noticeable under this load.
Better to keep track_io_timing and track_wal_io_timing as two
separated beasts, at least that's clear.
--
Michael