Add SDT probes virtqueue::enqueue_segments:{entry,return}
ClosedPublic
Actions

Authored by stevek on Aug 20 2021, 5:24 PM.

Tags

None

Referenced Files

	Unknown Object (File)
	Fri, Apr 18, 12:32 PM

	Unknown Object (File)
	Sun, Mar 30, 1:07 PM

	Unknown Object (File)
	Mar 13 2025, 8:12 AM

	Unknown Object (File)
	Mar 6 2025, 7:52 AM

	Unknown Object (File)
	Mar 6 2025, 7:12 AM

	Unknown Object (File)
	Mar 5 2025, 11:10 PM

	Unknown Object (File)
	Feb 4 2025, 11:32 AM

	Unknown Object (File)
	Jan 13 2025, 11:50 AM

View All 59 Files

Subscribers

imp

Contributor Reviews (src)

Details

Reviewers: None
Commits: rGfd80208a5f92: Add SDT probes virtqueue::enqueue_segments:{entry,return}

Summary

This allows one to be able to map the sglist entries passed into the
vq_ring_enqueue_segments() function to the segment indexes used in
the virtqueue.

This function normally gets inlined and may not available via FBT
probes.

Test Plan

Tested using dtrace on vtblk devices with the following script:
https://people.freebsd.org/~stevek/dtrace/vtblk.sh

Diff Detail

Repository

rS FreeBSD src repository - subversion

Lint

Lint Passed

Unit

No Test Coverage

Build Status

Buildable 41148
Build 38037: arc lint + arc unit

Event Timeline

stevek created this revision.Aug 20 2021, 5:24 PM

Herald added subscribers: Contributor Reviews (src), imp. · View Herald TranscriptAug 20 2021, 5:24 PM

stevek requested review of this revision.Aug 20 2021, 5:24 PM

Harbormaster completed remote builds in B41148: Diff 93968.Aug 20 2021, 5:24 PM

This revision was not accepted when it landed; it landed in state Needs Review.Aug 27 2021, 5:09 PM

Closed by commit rGfd80208a5f92: Add SDT probes virtqueue::enqueue_segments:{entry,return} (authored by stevek). · Explain Why

This revision was automatically updated to reflect the committed changes.

stevek added a commit: rGfd80208a5f92: Add SDT probes virtqueue::enqueue_segments:{entry,return}.

Revision Contents
Changeset List

Path

Size

sys/

dev/

virtio/

virtqueue.c

10 lines

Diff 93968

View Options

sys/dev/virtio/virtqueue.c

Add SDT probes virtqueue::enqueue_segments:{entry,return}ClosedPublicActions