21670221985
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master: 80%

Ran 04 Feb 2026 11:47AM UTC

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Run time 1min

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Committed 04 Feb 2026 11:46AM UTC coverage: 80.459%. Remained the same

Build # 21670221985

Build Type

push

github

Committed by

web-flow

Commit Message

CA-423204: use xen field meminfo.claimed to calculate available memory in node for new VM (#6867)

The available memory in the node that can actually be further claimed in
the node for a new VM needs to be calculated as
(meminfo.memfree - meminfo.claimed). Considering only meminfo.memfree
does not consider VMs that may have claimed in the node but not yet
finished allocating the claimed amount.

A new debug line during the calculation makes it easier to understand
the different node memory values being considered and calculated for the
VMs being created, eg:
```
2026-01-27T00:03:44.788754+00:00 orca xenopsd-xc: [debug||22 |Async.VM.start_on R:4533f11cb6bf|xenops]
mem_claimable_for_new_vm: NUMA nodeid=0, domid=69: memfree=281696272384 memsize=825707462656 claimed=249459507200: available=32236765184
2026-01-27T00:03:44.788770+00:00 orca xenopsd-xc: [debug||22 |Async.VM.start_on R:4533f11cb6bf|xenops]
mem_claimable_for_new_vm: NUMA nodeid=1, domid=69: memfree=336155111424 memsize=824633720832 claimed=303146598400: available=33008513024
...
```

Tested with:
* SR-233407 (xs9 numa functional regression test)
* job 4541679, where this change calculates the correct nodes to start
the VMs in a host with 8 nodes and high contention of VMs starting
simultaneously.

Run Details

3504 of 4355 relevant lines covered (80.46%)

0.8 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	python3.11 - 21670221985.1	04 Feb 2026 11:47AM UTC	34	80.46	GitHub Action Run

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