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* cam: Dtrace scripts to help diagnose weird thingsWarner Losh2026-01-093-0/+670
| | | | | | | | | | These are sample dtrace scripts that likely need to be modified for whatever problem you are chasing. Unfortuneately, you have to read the driver extensively to understand them or how to use them. But studying the completion routine of mpr/mps will help understand many of the error and recovery paths. Sponsored by: Netflix
* tools/cam: Start to add the testing tools for CAMWarner Losh2026-01-082-0/+98
Create a directory for testing tools arond CAM. These are snippets of what will eventually be camio. At the moment, it was written using fbt traces. This is OK, but fragile, so they need to be re-written with the cam provider. cam_all_but_scsi.d is the first step. It shows how to do this with the new cam dtrace provider. Sponsored by: Netflix Reviewed by: adrian Differential Revision: https://reviews.freebsd.org/D54472