On Wed, Oct 22, 2014 at 03:57:43PM +0200, Daniel Lezcano wrote: > After discussing at the LPC2014 Dusseldorf, it appears the idea is > good but the approach is wrong. The latency tracking must be done at > the device level, per device and not in the task as what is doing this > patchset.
end_page_writeback()->test_clear_page_writeback()->__bdi_writeout_inc() Is the IO completion path that has a fair amount of statistics in, maybe some of that is usable. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
