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Diffstat (limited to 'src/buildstream/_platform/platform.py')
| -rw-r--r-- | src/buildstream/_platform/platform.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/buildstream/_platform/platform.py b/src/buildstream/_platform/platform.py index b58ae3e3d..c838ef6c2 100644 --- a/src/buildstream/_platform/platform.py +++ b/src/buildstream/_platform/platform.py @@ -122,7 +122,15 @@ class Platform: return PlatformImpl(force_sandbox=force_sandbox) def get_cpu_count(self, cap=None): - cpu_count = len(psutil.Process().cpu_affinity()) + # `psutil.Process.cpu_affinity()` is not available on all platforms. + # So, fallback to getting the total cpu count in cases where it is not + # available. + dummy_process = psutil.Process() + if hasattr(dummy_process, "cpu_affinity"): + cpu_count = len(dummy_process.cpu_affinity()) + else: + cpu_count = os.cpu_count() + if cap is None: return cpu_count else: |