Hi Gowri,

I've already fixed the same issue you reported. I've tested it successfully.

Subrata has already merged my patch (please, find it in attachment).

Please, check it before to submit another patch.

Thanks
Regards
Francesco Rundo

gowrishankar wrote:

> Hi Subrata,
> Please accept the patch below.
>
> Thanks,
> Gowri
> ---
> cgroups: conditionally enable building cgroup tests
>
> controllers tests gets included into default ltp build if "/proc/cgroup"
> exists. It stops the ltp build in realtime kernel environment where 
> kernel
> is new and supports cgroups, but necessary file "linux/cgroupstats.h" 
> may not
> exist in the base OS (like RHEL5.3). So configure command enables the 
> build,
> but actual build fails, due to missing header file.
>
> Below patch proposes new symbol LTP_CHECK_CGROUPSTATS to check for 
> header file
> "linux/cgroupstats.h" and include controllers in the list of tests to 
> build.
>
> Tested the patch in non-RT as well as RT environment for the changes.
>
> Signed-off-by: Gowrishankar <gowrishankar.m@in.ibm.com>
> Tested-by: Gowrishankar <gowrishankar.m@in.ibm.com>
> ---
>
>------------------------------------------------------------------------
>
>Index: ltp-full-20090630/m4/ltp-cgroupstats.m4
>===================================================================
>--- /dev/null	1970-01-01 00:00:00.000000000 +0000
>+++ ltp-full-20090630/m4/ltp-cgroupstats.m4	2009-07-03 13:41:55.000000000 +0530
>@@ -0,0 +1,9 @@
>+dnl
>+dnl LTP_CHECK_CGROUPSTATS
>+dnl ----------------------------
>+dnl
>+AC_DEFUN([LTP_CHECK_CGROUPSTATS],
>+[dnl
>+AC_CHECK_HEADERS(linux/cgroupstats.h,[LTP_CHECK_CGROUPSTATS_HEADER=yes])
>+AC_SUBST(LTP_CHECK_CGROUPSTATS_HEADER)
>+])
>Index: ltp-full-20090630/configure.ac
>===================================================================
>--- ltp-full-20090630.orig/configure.ac	2009-07-03 13:59:48.000000000 +0530
>+++ ltp-full-20090630/configure.ac	2009-07-03 14:00:14.000000000 +0530
>@@ -21,5 +21,6 @@
> LTP_CHECK_SELINUX
> LTP_CHECK_CRYPTO
> LTP_CHECK_TASKSTATS
>+LTP_CHECK_CGROUPSTATS
> 
> AC_OUTPUT
>Index: ltp-full-20090630/testcases/kernel/Makefile
>===================================================================
>--- ltp-full-20090630.orig/testcases/kernel/Makefile	2009-07-03 14:01:25.000000000 +0530
>+++ ltp-full-20090630/testcases/kernel/Makefile	2009-07-03 14:02:42.000000000 +0530
>@@ -1,6 +1,12 @@
>-SUBDIRS = power_management numa containers controllers connectors include fs io ipc mem pty sched security syscalls timers
>+include ../../config.mk
>+
>+SUBDIRS = power_management numa containers connectors include fs io ipc mem pty sched security syscalls timers
> UCLINUX_SUBDIRS = include syscalls
> 
>+ifeq ($(LTP_CHECK_CGROUPSTATS_HEADER),yes)
>+	SUBDIRS+= controllers
>+endif
>+
> all:
> 	@set -e; for i in $(SUBDIRS); do $(MAKE) -C $$i ; done
> 
>  
>
>------------------------------------------------------------------------
>
>------------------------------------------------------------------------------
>  
>
>------------------------------------------------------------------------
>
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