From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel.baluta@gmail.com (Daniel Baluta) Date: Thu, 20 Jan 2011 14:33:36 +0200 Subject: Running kmemleak without sysfs support In-Reply-To: <1295520732.28273.4.camel@e102109-lin.cambridge.arm.com> References: <1295520732.28273.4.camel@e102109-lin.cambridge.arm.com> Message-ID: To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org On Thu, Jan 20, 2011 at 12:52 PM, Catalin Marinas wrote: > On Thu, 2011-01-20 at 10:41 +0000, Daniel Baluta wrote: >> Can I make any use of kmemcheck if I don't have sysfs >> kernel support enabled? > > Kmemleak can scan output the memory and report the number of leaked > objects but if you need to get additional information about the leaked > objects (like backtrace), you need debugfs enabled. How is this reporting done? It will appear in dmesg output? > DEBUG_FS doesn't seem to be dependent on SYSFS but I never tried to > enable one without the other (you might be able to mount the DEBUG_FS > somewhere other than /sys/kernel/debug/). I see. I was using 2.6.32 where it seems that debugfs depended on sysfs. Decoupling was done some time later [1]. thanks, Daniel. [1] http://kerneltrap.org/mailarchive/linux-kernel/2010/8/5/4603446