habanalabs: add uapi to retrieve device utilization

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Users and sysadmins usually want to know what is the device utilization as
a level 0 indication if they are efficiently using the device.

Add a new opcode to the INFO IOCTL that will return the device utilization
over the last period of 100-1000ms. The return value is 0-100,
representing as percentage the total utilization rate.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: Omer Shpigelman <oshpigelman@habana.ai>

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This commit is contained in:

Oded Gabbay 2019-08-28 17:32:04 +03:00

parent 413cf576fd

commit 75b3cb2bb0

7 changed files with 222 additions and 23 deletions

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49

include/uapi/misc/habanalabs.h

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