* Re: [LTP] [Ltp-coverage] running LCOV/LTP on Beagle Bone Black - Cannot Allocate Memory Error
@ 2014-04-09 4:42 Naresh Kamboju
2014-04-09 9:18 ` shinto.john
0 siblings, 1 reply; 5+ messages in thread
From: Naresh Kamboju @ 2014-04-09 4:42 UTC (permalink / raw)
To: shinto.john, Peter Oberparleiter; +Cc: ltp-list, ltp-coverage
hi Shinto,
> Hi Peter,
>
> Thanks for identifying the issue.
> I checked my kernel source code and there is only gcc_3_4.c present in kernel/gcov folder and gcc_4_7.c is NOT present. So as you suggested i will have to upgrade to higher version.
>
> I will check with the latest kernel with GCOV 4.7 on beagle bone black and let you know the result.
>
> currently i use below steps for downloading the kernel source for beagle bone black.
>
> git clone git://github.com/RobertCNelson/linux-dev.git
> cd linux-dev/
> Checkout v3.8.x branch (full cape support):
>
> ~/linux-dev
> git checkout origin/am33x-v3.8 -b tmp
You may use latest linaro arm tool chain.
http://releases.linaro.org/14.03/components/toolchain/binaries/gcc-linaro-arm-linux-gnueabihf-4.8-2014.03_linux.tar.bz2
> ~/linux-dev
> ./build_kernel.sh
> Regards,
> Shinto
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [LTP] [Ltp-coverage] running LCOV/LTP on Beagle Bone Black - Cannot Allocate Memory Error
2014-04-09 4:42 [LTP] [Ltp-coverage] running LCOV/LTP on Beagle Bone Black - Cannot Allocate Memory Error Naresh Kamboju
@ 2014-04-09 9:18 ` shinto.john
2014-04-09 12:31 ` Peter Oberparleiter
0 siblings, 1 reply; 5+ messages in thread
From: shinto.john @ 2014-04-09 9:18 UTC (permalink / raw)
To: Peter Oberparleiter, Naresh Kamboju; +Cc: ltp-list, ltp-coverage
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* Re: [LTP] [Ltp-coverage] running LCOV/LTP on Beagle Bone Black - Cannot Allocate Memory Error
2014-04-09 9:18 ` shinto.john
@ 2014-04-09 12:31 ` Peter Oberparleiter
2014-04-09 13:04 ` shinto.john
0 siblings, 1 reply; 5+ messages in thread
From: Peter Oberparleiter @ 2014-04-09 12:31 UTC (permalink / raw)
To: shinto.john, Naresh Kamboju; +Cc: ltp-list, ltp-coverage
On 09.04.2014 11:18, shinto.john@smartplayin.com wrote:
> now while running "lcov -c -o coverage.info", this runs for ~5 minutes
> without any issues and then is stuck at this below*red *point for long
> time and never exits.
>
> So i did ctrl-C and tried the "genhtml coverage.info -o out" and it worked.
>
> I could see the LCOV report(Attached index.html) in "out" folder.
>
> But looks like complete kernel folders are not there in the LCOV report
> as it was stuck at below point.
>
> Any comments?
>
> include/asm-generic/bitops/arch_hweight.h:source file is newer than
> graph file '/home/mallikarjun.bc/LTP/Download/linux-dev/KERNEL/mm/vmstat.gc'
> /home/mallikarjun.bc/LTP/Download/linux-dev/KERNEL/arch/arm/include/asm/bitops.h:source
> file is newer than graph file '/home/mallikarjun.bc/LTP'
> include/linux/workqueue.h:source file is newer than graph file
> '/home/mallikarjun.bc/LTP/Download/linux-dev/KERNEL/mm/vmstat.gcno'
> include/linux/nodemask.h:source file is newer than graph file
> '/home/mallikarjun.bc/LTP/Download/linux-dev/KERNEL/mm/vmstat.gcno'
> *include/linux/kernel.h:source file is newer than graph file
> '/home/mallikarjun.bc/LTP/Download/linux-dev/KERNEL/mm/vmstat.gcno'*
Try running top while lcov is stuck and see if there's a process using
up a lot of CPU time. It might be that you are affected by a gcov bug.
--
Peter Oberparleiter
Linux on System z Development - IBM Germany
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* Re: [LTP] [Ltp-coverage] running LCOV/LTP on Beagle Bone Black - Cannot Allocate Memory Error
2014-04-09 12:31 ` Peter Oberparleiter
@ 2014-04-09 13:04 ` shinto.john
2014-04-10 11:08 ` Peter Oberparleiter
0 siblings, 1 reply; 5+ messages in thread
From: shinto.john @ 2014-04-09 13:04 UTC (permalink / raw)
To: Peter Oberparleiter; +Cc: ltp-list, Naresh Kamboju, ltp-coverage
[-- Attachment #1.1: Type: text/plain, Size: 2089 bytes --]
Hi Peter,
This got resolved when i tried this in KERNEL/mm/Makefile
GCOV_PROFILE := n
So basically some issue with KERNEL/mm/vmstat.gcno... right?
Now i am able to do a complete kernel run.
Thanks & Regards,
Shinto
-----Original Message-----
From: "Peter Oberparleiter" <oberpar@linux.vnet.ibm.com>
Sent: Wednesday, April 9, 2014 6:01pm
To: shinto.john@smartplayin.com, "Naresh Kamboju" <naresh.kamboju@linaro.org>
Cc: ltp-coverage@lists.sourceforge.net, "ltp-list" <ltp-list@lists.sourceforge.net>
Subject: Re: [Ltp-coverage] running LCOV/LTP on Beagle Bone Black - Cannot Allocate Memory Error
On 09.04.2014 11:18, shinto.john@smartplayin.com wrote:
> now while running "lcov -c -o coverage.info", this runs for ~5 minutes
> without any issues and then is stuck at this below*red *point for long
> time and never exits.
>
> So i did ctrl-C and tried the "genhtml coverage.info -o out" and it worked.
>
> I could see the LCOV report(Attached index.html) in "out" folder.
>
> But looks like complete kernel folders are not there in the LCOV report
> as it was stuck at below point.
>
> Any comments?
>
> include/asm-generic/bitops/arch_hweight.h:source file is newer than
> graph file '/home/mallikarjun.bc/LTP/Download/linux-dev/KERNEL/mm/vmstat.gc'
> /home/mallikarjun.bc/LTP/Download/linux-dev/KERNEL/arch/arm/include/asm/bitops.h:source
> file is newer than graph file '/home/mallikarjun.bc/LTP'
> include/linux/workqueue.h:source file is newer than graph file
> '/home/mallikarjun.bc/LTP/Download/linux-dev/KERNEL/mm/vmstat.gcno'
> include/linux/nodemask.h:source file is newer than graph file
> '/home/mallikarjun.bc/LTP/Download/linux-dev/KERNEL/mm/vmstat.gcno'
> *include/linux/kernel.h:source file is newer than graph file
> '/home/mallikarjun.bc/LTP/Download/linux-dev/KERNEL/mm/vmstat.gcno'*
Try running top while lcov is stuck and see if there's a process using
up a lot of CPU time. It might be that you are affected by a gcov bug.
--
Peter Oberparleiter
Linux on System z Development - IBM Germany
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [LTP] [Ltp-coverage] running LCOV/LTP on Beagle Bone Black - Cannot Allocate Memory Error
2014-04-09 13:04 ` shinto.john
@ 2014-04-10 11:08 ` Peter Oberparleiter
0 siblings, 0 replies; 5+ messages in thread
From: Peter Oberparleiter @ 2014-04-10 11:08 UTC (permalink / raw)
To: shinto.john; +Cc: ltp-list, Naresh Kamboju, ltp-coverage
On 09.04.2014 15:04, shinto.john@smartplayin.com wrote:
> This got resolved when i tried this in KERNEL/mm/Makefile
>
> GCOV_PROFILE := n
>
> So basically some issue with KERNEL/mm/vmstat.gcno... right?
If you don't need the coverage data for mm/* then this looks like a
feasible workaround.
> Now i am able to do a complete kernel run.
--
Peter Oberparleiter
Linux on System z Development - IBM Germany
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2014-04-09 4:42 [LTP] [Ltp-coverage] running LCOV/LTP on Beagle Bone Black - Cannot Allocate Memory Error Naresh Kamboju
2014-04-09 9:18 ` shinto.john
2014-04-09 12:31 ` Peter Oberparleiter
2014-04-09 13:04 ` shinto.john
2014-04-10 11:08 ` Peter Oberparleiter
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