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From: Russell King <rmk@arm.linux.org.uk>
To: git@vger.kernel.org
Subject: Is cogito really this inefficient
Date: Wed, 13 Jul 2005 13:50:52 +0100	[thread overview]
Message-ID: <20050713135052.C6791@flint.arm.linux.org.uk> (raw)

This says it all.  1min 22secs to generate a patch from a locally
modified but uncommitted file.

cp, edit, diff would be several orders of magnitude faster.  What's
going on?

$ /usr/bin/time cg-diff drivers/serial/8250.c > o
Command exited with non-zero status 1
14.40user 17.47system 1:22.96elapsed 38%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (180major+14692minor)pagefaults 0swaps

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2333,6 +2333,7 @@ static int __devinit serial8250_probe(st
 			dev_err(dev, "unable to register port at index %d "
 				"(IO%lx MEM%lx IRQ%d): %d\n", i,
 				p->iobase, p->mapbase, p->irq, ret);
+			printk(KERN_ERR "uartclk was %d\n", port.uartclk);
 		}
 	}
 	return 0;

-- 
Russell King

             reply	other threads:[~2005-07-13 12:53 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-13 12:50 Russell King [this message]
2005-07-13 16:51 ` Is cogito really this inefficient Matthias Urlichs
2005-07-14  7:38   ` Russell King
2005-07-13 20:28 ` Linus Torvalds
2005-07-14  7:37   ` Russell King
2005-07-14  9:08     ` Catalin Marinas
2005-07-14  9:59       ` Russell King
2005-07-14 15:51         ` Linus Torvalds
2005-07-15  0:29           ` Linus Torvalds
2005-07-15  2:10             ` Junio C Hamano
2005-07-15  9:48             ` Russell King
2005-07-14 15:26     ` Linus Torvalds
2005-07-19 23:54       ` Petr Baudis

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