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iosched.bt: Linux 5.0 #7

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brendangregg opened this issue Jun 24, 2019 · 1 comment

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brendangregg commented Jun 24, 2019

bpftrace v0.9-236-g012e

# bpftrace iosched.bt 
Attaching 5 probes...
cannot attach kprobe, probe entry may not exist
Warning: could not attach probe kprobe:blk_start_request, skipping.
cannot attach kprobe, probe entry may not exist
Error attaching probe: 'kprobe:__elv_add_request'

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Owner Author

brendangregg commented Sep 10, 2019

I added a note in the book about this and how to fix it, as it's related to change to multi-queue only in 5.0.

brendangregg closed this as completed

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