biosnoop/biotop to use tracepoints
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enhancement
prio:low
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Description
Low priority enhancement...
For 4.7+ kernels, biosnoop & biotop should use the block: tracepoints. Probably block:block_rq_issue and block:block_rq_complete. It might make sense to bump the type of I/O field ("T" and "D") from 2 characters to 4, and then just print the tracepoint's rwbs field in that.
Older versions of biosnoop/biotop should be put in tools/old for 4.6 and earlier kernels.
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