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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: bitbake-devel <bitbake-devel@lists.openembedded.org>
Subject: [PATCH] cooker: Only start as many parse threads as we need
Date: Sun, 31 Jan 2016 13:31:41 +0000	[thread overview]
Message-ID: <1454247101.27087.19.camel@linuxfoundation.org> (raw)

If we're only going to parse one recipe, no point in starting 
a large number of threads.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/bitbake/lib/bb/cooker.py b/bitbake/lib/bb/cooker.py
index a1182ef..1f4174f 100644
--- a/bitbake/lib/bb/cooker.py
+++ b/bitbake/lib/bb/cooker.py
@@ -1986,8 +1986,6 @@ class CookerParser(object):
         self.total = len(filelist)
 
         self.current = 0
-        self.num_processes = int(self.cfgdata.getVar("BB_NUMBER_PARSE_THREADS", True) or
-                                 multiprocessing.cpu_count())
         self.process_names = []
 
         self.bb_cache = bb.cache.Cache(self.cfgdata, self.cfghash, cooker.caches_array)
@@ -2002,6 +2000,9 @@ class CookerParser(object):
         self.toparse = self.total - len(self.fromcache)
         self.progress_chunk = max(self.toparse / 100, 1)
 
+        self.num_processes = min(int(self.cfgdata.getVar("BB_NUMBER_PARSE_THREADS", True) or
+                                 multiprocessing.cpu_count()), len(self.willparse))
+
         self.start()
         self.haveshutdown = False
 




                 reply	other threads:[~2016-01-31 13:31 UTC|newest]

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