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Diffstat (limited to 'Doc/library/os.rst')
| -rw-r--r-- | Doc/library/os.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/library/os.rst b/Doc/library/os.rst index 0cc9d9c..c1193ad 100644 --- a/Doc/library/os.rst +++ b/Doc/library/os.rst @@ -3597,6 +3597,11 @@ Miscellaneous System Information Return the number of CPUs in the system. Returns None if undetermined. + This number is not equivalent to the number of CPUs the current process can + use. The number of usable CPUs can be obtained with + ``len(os.sched_getaffinity(0))`` + + .. versionadded:: 3.4 |