[bitbake-devel] [PATCH 7/9] command.py: add new API to get the cpu count on the server
Dongxiao Xu
dongxiao.xu at intel.com
Thu Feb 23 13:47:19 UTC 2012
From: Shane Wang <shane.wang at intel.com>
Add a new API in command.py to get the cpu count in order to set the appropriate default BB_NUMBER_THREADS and PARALLEL_MAKE variables.
Signed-off-by: Shane Wang <shane.wang at intel.com>
---
lib/bb/command.py | 6 ++++++
lib/bb/utils.py | 4 ++++
2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/lib/bb/command.py b/lib/bb/command.py
index 05555c5..43875f7 100644
--- a/lib/bb/command.py
+++ b/lib/bb/command.py
@@ -173,6 +173,12 @@ class CommandsSync:
"""
command.cooker.reset()
+ def getCpuCount(self, command, params):
+ """
+ Get the CPU count on the bitbake server
+ """
+ return bb.utils.cpu_count()
+
class CommandsAsync:
"""
diff --git a/lib/bb/utils.py b/lib/bb/utils.py
index a26635a..d7cefb2 100644
--- a/lib/bb/utils.py
+++ b/lib/bb/utils.py
@@ -25,6 +25,7 @@ import errno
import logging
import bb
import bb.msg
+import multiprocessing
from commands import getstatusoutput
from contextlib import contextmanager
@@ -862,3 +863,6 @@ def contains(variable, checkvalues, truevalue, falsevalue, d):
if checkvalues.issubset(val):
return truevalue
return falsevalue
+
+def cpu_count():
+ return multiprocessing.cpu_count()
--
1.7.4.1
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