diff options
Diffstat (limited to 'resources/tools/testbed-setup/ansible/roles/performance_tuning/filter_plugins/main.py')
-rw-r--r-- | resources/tools/testbed-setup/ansible/roles/performance_tuning/filter_plugins/main.py | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/resources/tools/testbed-setup/ansible/roles/performance_tuning/filter_plugins/main.py b/resources/tools/testbed-setup/ansible/roles/performance_tuning/filter_plugins/main.py new file mode 100644 index 0000000000..d76f6fe166 --- /dev/null +++ b/resources/tools/testbed-setup/ansible/roles/performance_tuning/filter_plugins/main.py @@ -0,0 +1,29 @@ +"""Extra Ansible filters""" + +def irqbalance_banned_cpu_mask( + processor_cores, processor_count, processor_threads_per_core): + """ + Return irqbalance CPU mask. + Args: + processor_cores (int): Physical processor unit. + processor_counts (int): Processors per physical unit. + processor_threads_per_core (int): Threads per physical unit. + Returns: + str: irqbalance_banned_cpus. + """ + mask = int("1" * 128, 2) + + for i in range(processor_count * processor_threads_per_core): + mask &= ~(1 << i * processor_cores) + + import re + return ",".join(re.findall('.{1,8}', str(hex(mask))[2:])) + + +class FilterModule(object): + """Return filter plugin""" + + @staticmethod + def filters(): + """Return filter""" + return {'irqbalance_banned_cpu_mask': irqbalance_banned_cpu_mask} |