[bitbake-devel] [PATCH] utils: Improve profile log processing
Richard Purdie
richard.purdie at linuxfoundation.org
Wed Aug 27 13:56:25 UTC 2014
This stream redirection of stdout is horrible. pstats takes a stream argument
so lets use that instead.
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
diff --git a/bitbake/lib/bb/utils.py b/bitbake/lib/bb/utils.py
index 7d37a74..670e592 100644
--- a/bitbake/lib/bb/utils.py
+++ b/bitbake/lib/bb/utils.py
@@ -862,21 +862,16 @@ def nonblockingfd(fd):
fcntl.fcntl(fd, fcntl.F_SETFL, fcntl.fcntl(fd, fcntl.F_GETFL) | os.O_NONBLOCK)
def process_profilelog(fn):
- # Redirect stdout to capture profile information
pout = open(fn + '.processed', 'w')
- so = sys.stdout.fileno()
- orig_so = os.dup(sys.stdout.fileno())
- os.dup2(pout.fileno(), so)
import pstats
- p = pstats.Stats(fn)
+ p = pstats.Stats(fn, stream=pout)
p.sort_stats('time')
p.print_stats()
p.print_callers()
p.sort_stats('cumulative')
p.print_stats()
- os.dup2(orig_so, so)
pout.flush()
pout.close()
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