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scripts/bloat-o-meter: fix SIGPIPE

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Fix piping output to a program which quickly exits (read: head -n1)

	$ ./scripts/bloat-o-meter ../vmlinux-000 ../obj/vmlinux | head -n1
	add/remove: 0/0 grow/shrink: 9/60 up/down: 124/-305 (-181)
	close failed in file object destructor:
	sys.excepthook is missing
	lost sys.stderr

Link: http://lkml.kernel.org/r/20161028204618.GA29923@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2016-11-10 10:46:13 -08:00 committed by Linus Torvalds
parent 9956edf37e
commit eef06b82f1
1 changed files with 3 additions and 0 deletions
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scripts/bloat-o-meter
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@ -8,6 +8,9 @@
# of the GNU General Public License, incorporated herein by reference. # of the GNU General Public License, incorporated herein by reference.
import sys, os, re import sys, os, re
from signal import signal, SIGPIPE, SIG_DFL
signal(SIGPIPE, SIG_DFL)
if len(sys.argv) != 3: if len(sys.argv) != 3:
sys.stderr.write("usage: %s file1 file2\n" % sys.argv[0]) sys.stderr.write("usage: %s file1 file2\n" % sys.argv[0])