diff options
| -rw-r--r-- | Documentation/powerpc/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/powerpc/vcpudispatch_stats.rst (renamed from Documentation/powerpc/vcpudispatch_stats.txt) | 17 |
2 files changed, 13 insertions, 5 deletions
diff --git a/Documentation/powerpc/index.rst b/Documentation/powerpc/index.rst index afe2d5e54db6..748bf483b1c2 100644 --- a/Documentation/powerpc/index.rst +++ b/Documentation/powerpc/index.rst @@ -31,6 +31,7 @@ powerpc transactional_memory ultravisor vas-api + vcpudispatch_stats .. only:: subproject and html diff --git a/Documentation/powerpc/vcpudispatch_stats.txt b/Documentation/powerpc/vcpudispatch_stats.rst index e21476bfd78c..5704657a5987 100644 --- a/Documentation/powerpc/vcpudispatch_stats.txt +++ b/Documentation/powerpc/vcpudispatch_stats.rst @@ -1,5 +1,8 @@ -VCPU Dispatch Statistics: -========================= +.. SPDX-License-Identifier: GPL-2.0 + +======================== +VCPU Dispatch Statistics +======================== For Shared Processor LPARs, the POWER Hypervisor maintains a relatively static mapping of the LPAR processors (vcpus) to physical processor @@ -20,25 +23,29 @@ The statistics themselves are available by reading the procfs file a vcpu as represented by the first field, followed by 8 numbers. The first number corresponds to: + 1. total vcpu dispatches since the beginning of statistics collection The next 4 numbers represent vcpu dispatch dispersions: + 2. number of times this vcpu was dispatched on the same processor as last time 3. number of times this vcpu was dispatched on a different processor core as last time, but within the same chip 4. number of times this vcpu was dispatched on a different chip 5. number of times this vcpu was dispatches on a different socket/drawer -(next numa boundary) + (next numa boundary) The final 3 numbers represent statistics in relation to the home node of the vcpu: + 6. number of times this vcpu was dispatched in its home node (chip) 7. number of times this vcpu was dispatched in a different node 8. number of times this vcpu was dispatched in a node further away (numa -distance) + distance) + +An example output:: -An example output: $ sudo cat /proc/powerpc/vcpudispatch_stats cpu0 6839 4126 2683 30 0 6821 18 0 cpu1 2515 1274 1229 12 0 2509 6 0 |