diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/conf_mode/vpp.py | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/conf_mode/vpp.py b/src/conf_mode/vpp.py index 421556d07..bbdffa524 100755 --- a/src/conf_mode/vpp.py +++ b/src/conf_mode/vpp.py @@ -383,11 +383,23 @@ def verify(config): raise ConfigError('"cpu main-core" is required but not set!') cpus = int(get_core_count()) + skip_cores = 0 + + if 'skip_cores' in config['settings']['cpu']: + skip_cores = int(config['settings']['cpu']['skip_cores']) + # the number of skipped cores should not be more than all CPUs - 1 (for main core) + if skip_cores > cpus - 1: + raise ConfigError( + f'The system does not have enough available CPUs to skip ' + f'(reduce "cpu skip-cores" to {cpus - 1} or less)' + ) + if 'workers' in config['settings']['cpu']: # number of worker threads must be not more than - # available CPUs in the system - 2 (1 for main thread and at least 1 for system processes) + # available CPUs in the system - 1 for main thread - number of skipped cores + # or - 1 (at least) for system processes workers = int(config['settings']['cpu']['workers']) - available_workers = cpus - 2 + available_workers = cpus - 1 - (skip_cores or 1) if workers > available_workers: raise ConfigError( f'The system does not have enough CPUs for {workers} VPP workers ' @@ -395,6 +407,8 @@ def verify(config): ) cpus_available = list(map(lambda el: el['cpu'], get_available_cpus())) + # available CPUs are all CPUs without first N skipped cores that will not be used + cpus_available = cpus_available[skip_cores:] if 'main_core' in config['settings']['cpu']: main_core = int(config['settings']['cpu']['main_core']) |