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authorAlexander Duyck <[email protected]>2019-01-22 10:39:37 -0800
committerGreg Kroah-Hartman <[email protected]>2019-01-31 14:20:54 +0100
commitc37e20eaf4b21125898fd454f3ea6b212865d0a6 (patch)
tree8bd93b653d5c088e7367402f7db1beea91863573 /tools/perf/scripts/python/check-perf-trace.py
parent6be9238e5cb64741ff95c3ae440b112753ad93de (diff)
driver core: Attach devices on CPU local to device node
Call the asynchronous probe routines on a CPU local to the device node. By doing this we should be able to improve our initialization time significantly as we can avoid having to access the device from a remote node which may introduce higher latency. For example, in the case of initializing memory for NVDIMM this can have a significant impact as initialing 3TB on remote node can take up to 39 seconds while initialing it on a local node only takes 23 seconds. It is situations like this where we will see the biggest improvement. Reviewed-by: Dan Williams <[email protected]> Reviewed-by: Bart Van Assche <[email protected]> Signed-off-by: Alexander Duyck <[email protected]> Reviewed-by: Rafael J. Wysocki <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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