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| author | Ciunas Bennett <ciunas@linux.ibm.com> | 2026-07-24 12:39:58 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@linux.ibm.com> | 2026-07-30 16:17:23 +0200 |
| commit | 5ff53ce9a4771140336929ded9d16178cad05d95 (patch) | |
| tree | ea6e8ac1c9b6133dede4dc1607f4ced13aecf3bd /tools/perf/scripts/python/stackcollapse.py | |
| parent | a3928021b93006f857c365dc6ac3c1a84cb7a9ee (diff) | |
KVM: s390: Add tracepoint for DIAG 9c directed yield operations
Add a new tracepoint, kvm_s390_diag_9c, to provide visibility into
directed yield operations. The tracepoint records:
- Source vCPU context via the standard vCPU tracepoint fields
- Target vCPU ID
- Target physical CPU number
- Operation result (done, ignored, or yield forwarded)
This improves observability of vCPU scheduling behaviour and helps
diagnose performance issues related to directed yields in virtualised
s390 environments.
Signed-off-by: Ciunas Bennett <ciunas@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions