Re: [LTP] [PATCH] Add an autoconf test for presence oftaskstats.freepages_count

Subrata Modak
2009-05-25T16:13:44Z

On Mon, 2009-05-25 at 02:50 +0200, Jiří Paleček wrote:
> On Fri, 22 May 2009 08:52:16 +0200, Subrata Modak
> <subrata@linux.vnet.ibm.com> wrote:
>
> > Jiri,
> >
> > Any plans to resend this ?
>
> Yes. Sorry, I oversaw this.
>
> Regards
> Jiri Palecek

Thanks.

Regards--
Subrata

> >
> > On Mon, 2009-05-18 at 17:29 +0530, Subrata Modak wrote:
> >> On Fri, 2009-05-15 at 12:47 +0530, Subrata Modak wrote:
> >> > On Wed, 2009-05-13 at 01:07 +0200, Jiri Palecek wrote:
> >> > > Also, use it in getdelays.c to prevent compilation failures
> >> > >
> >> > > Hello,
> >> > >
> >> > > I've found that ltp didn't compile on Debian because of old kernel
> >> headers,
> >> > > which contain taskstats struct without some of the needed fields.
> >> This autoconf
> >> > > test detects it and disables the code that would otherwise break.
> >> > >
> >> > > Regards
> >> > > Jiri Palecek
> >> > >
> >> > > Signed-off-by: Jiri Palecek <jpalecek@web.de>
> >> >
> >> > Same here:
> >> >
> >> > ERROR: patch seems to be corrupt (line wrapped?)
> >> > #132: FILE: configure.ac:24:
> >> > diff --git a/include/config.h.default b/include/config.h.default
> >> > total: 1 errors, 0 warnings, 83 lines checked
> >> >
> >> > and
> >> >
> >> > patching file configure.ac
> >> > patch: **** malformed patch at line 132: diff --git
> >> > a/include/config.h.default b/include/config.h.default
> >> >
> >>
> >> How about resending this Patch as well ?
> >>
> >> Regards--
> >> Subrata
> >>
> >> > Regards--
> >> > Subrata
> >> >
> >> > > ---
> >> > > configure.ac | 1 +
> >> > > include/config.h.default | 2 +
> >> > > m4/ltp-taskstats.m4 | 38
> >> +++++++++++++++++++++++
> >> > > testcases/kernel/controllers/cgroup/getdelays.c | 15 ++++++---
> >> > > 4 files changed, 51 insertions(+), 5 deletions(-)
> >> > > create mode 100644 m4/ltp-taskstats.m4
> >> > >
> >> > > diff --git a/configure.ac b/configure.ac
> >> > > index c534c97..9fc1696 100644
> >> > > --- a/configure.ac
> >> > > +++ b/configure.ac
> >> > > @@ -20,5 +20,6 @@ LTP_CHECK_SYSCALL_MODIFY_LDT
> >> > > LTP_CHECK_SYSCALL_SIGNALFD
> >> > > LTP_CHECK_SELINUX
> >> > > LTP_CHECK_CRYPTO
> >> > > +LTP_CHECK_TASKSTATS
> >> > > AC_OUTPUT
> >> > > diff --git a/include/config.h.default b/include/config.h.default
> >> > > index 9125d85..b9a6731 100644
> >> > > --- a/include/config.h.default
> >> > > +++ b/include/config.h.default
> >> > > @@ -14,3 +14,5 @@
> >> > > /* ifaddrs.h is in glibc-2.3+ */
> >> > > #define HAVE_IFADDRS_H 1
> >> > > +
> >> > > +#define HAVE_TASKSTATS_FREEPAGES_COUNT 1
> >> > > diff --git a/m4/ltp-taskstats.m4 b/m4/ltp-taskstats.m4
> >> > > new file mode 100644
> >> > > index 0000000..54da783
> >> > > --- /dev/null
> >> > > +++ b/m4/ltp-taskstats.m4
> >> > > @@ -0,0 +1,38 @@
> >> > > +dnl
> >> > > +dnl Copyright (c) Jiri Palecek 2009
> >> > > +dnl
> >> > > +dnl This program is free software; you can redistribute it and/or
> >> modify
> >> > > +dnl it under the terms of the GNU General Public License as
> >> published by
> >> > > +dnl the Free Software Foundation; either version 2 of the License,
> >> or
> >> > > +dnl (at your option) any later version.
> >> > > +dnl
> >> > > +dnl This program is distributed in the hope that it will be useful,
> >> > > +dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
> >> > > +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
> >> > > +dnl the GNU General Public License for more details.
> >> > > +dnl
> >> > > +dnl You should have received a copy of the GNU General Public
> >> License
> >> > > +dnl along with this program; if not, write to the Free Software
> >> > > +dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
> >> 02111-1307 USA
> >> > > +dnl
> >> > > +
> >> > > +
> >> > > +AC_DEFUN([LTP_CHECK_TASKSTATS],
> >> > > +_LTP_CHECK_TASKSTATS_FREEPAGES
> >> > > +)dnl
> >> > > +
> >> > > +dnl _LTP_CHECK_TASKSTATS_FREEPAGES
> >> > > +dnl ----------------------------------------
> >> > > +dnl
> >> > > +dnl Check for taskstat.freepages_* members, introduced to the
> >> kernel
> >> > > +dnl in commit 016ae219 in July 2008
> >> > > +dnl
> >> > > +
> >> > > +AC_DEFUN([_LTP_CHECK_TASKSTATS_FREEPAGES],
> >> > > +[dnl
> >> > > +AC_CHECK_MEMBERS([struct taskstats.freepages_count],[],[],[dnl
> >> > > +#include <linux/types.h>
> >> > > +#include <linux/taskstats.h>
> >> > > +])
> >> > > +]dnl
> >> > > +)dnl
> >> > > diff --git a/testcases/kernel/controllers/cgroup/getdelays.c
> >> > > b/testcases/kernel/controllers/cgroup/getdelays.c
> >> > > index 13f7b3a..9fe2831 100644
> >> > > --- a/testcases/kernel/controllers/cgroup/getdelays.c
> >> > > +++ b/testcases/kernel/controllers/cgroup/getdelays.c
> >> > > @@ -199,8 +199,10 @@ void print_delayacct(struct taskstats *t)
> >> > > "SWAP %15s%15s\n"
> >> > > " %15llu%15llu\n"
> >> > > "RECLAIM %12s%15s\n"
> >> > > - " %15llu%15llu\n",
> >> > > - "count", "real total", "virtual total", "delay total",
> >> > > +#ifdef HAVE_TASKSTATS_FREEPAGES_COUNT
> >> > > + " %15llu%15llu\n"
> >> > > +#endif
> >> > > + , "count", "real total", "virtual total", "delay total",
> >> > > (unsigned long long)t->cpu_count,
> >> > > (unsigned long long)t->cpu_run_real_total,
> >> > > (unsigned long long)t->cpu_run_virtual_total,
> >> > > @@ -211,9 +213,12 @@ void print_delayacct(struct taskstats *t)
> >> > > "count", "delay total",
> >> > > (unsigned long long)t->swapin_count,
> >> > > (unsigned long long)t->swapin_delay_total,
> >> > > - "count", "delay total",
> >> > > - (unsigned long long)t->freepages_count,
> >> > > - (unsigned long long)t->freepages_delay_total);
> >> > > + "count", "delay total"
> >> > > +#ifdef HAVE_TASKSTATS_FREEPAGES_COUNT
> >> > > + , (unsigned long long)t->freepages_count,
> >> > > + (unsigned long long)t->freepages_delay_total
> >> > > +#endif
> >> > > + );
> >> > > }
> >> > > void task_context_switch_counts(struct taskstats *t)
> >> > > --
> >> > > 1.6.2
> >> > >
> >> > >
> >> > >
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> >> > > _______________________________________________
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> >> >
> >> >
> >> >
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> >>
> >>
> >> ------------------------------------------------------------------------------
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> >> Check out the new simplified licensing option that enables
> >> unlimited royalty-free distribution of the report engine
> >> for externally facing server and web deployment.
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>
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