From: Sean Brogan <sean.bro...@microsoft.com>
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2640
Azure Pipelines agents have 2 threads. This commit has been shown to
reduce the build time in half on those agents.
Cc: Bob C Feng <bob.c.f...@intel.com>
Cc: Liming Gao <liming....@intel.com>
Signed-off-by: Michael Kubacki <michael.kuba...@microsoft.com>
---
BaseTools/Edk2ToolsBuild.py | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/BaseTools/Edk2ToolsBuild.py b/BaseTools/Edk2ToolsBuild.py
index 057d2e9e0633..1ea8187de693 100644
--- a/BaseTools/Edk2ToolsBuild.py
+++ b/BaseTools/Edk2ToolsBuild.py
@@ -11,6 +11,7 @@ import os
import sys
import logging
import argparse
+import multiprocessing
from edk2toolext import edk2_logging
from edk2toolext.environment import self_describing_environment
from edk2toolext.base_abstract_invocable import BaseAbstractInvocable
@@ -141,7 +142,8 @@ class Edk2ToolsBuild(BaseAbstractInvocable):
return ret
elif self.tool_chain_tag.lower().startswith("gcc"):
- ret = RunCmd("make", "-C .",
workingdir=shell_env.get_shell_var("EDK_TOOLS_PATH"))
+ cpu_count = self.GetCpuThreads()
+ ret = RunCmd("make", f"-C . -j {cpu_count}",
workingdir=shell_env.get_shell_var("EDK_TOOLS_PATH"))
if ret != 0:
raise Exception("Failed to build.")
@@ -154,6 +156,18 @@ class Edk2ToolsBuild(BaseAbstractInvocable):
logging.critical("Tool Chain not supported")
return -1
+ def GetCpuThreads(self) -> int:
+ ''' Function to return number of cpus. If error return 1'''
+ cpus = 1
+ try:
+ cpus = multiprocessing.cpu_count()
+ except:
+ # from the internet there are cases where cpu_count is not
implemented.
+ # will handle error by just doing single proc build
+ pass
+ return cpus
+
+
def main():
Edk2ToolsBuild().Invoke()
--
2.16.3.windows.1
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