* Re: [PATCH 3/8] sched: Move rt_period/runtime sysctls to rt.c
[not found] <20220215052214.5286-4-nizhen@uniontech.com>
@ 2022-02-15 11:23 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-02-15 11:23 UTC (permalink / raw)
To: Zhen Ni, mingo, peterz, juri.lelli, vincent.guittot, mcgrof,
keescook
Cc: llvm, kbuild-all, linux-kernel, linux-fsdevel, Zhen Ni
Hi Zhen,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/sched/core]
[also build test ERROR on linus/master kees/for-next/pstore v5.17-rc4]
[cannot apply to next-20220214]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Zhen-Ni/sched-Move-a-series-of-sysctls-starting-with-sys-kernel-sched_/20220215-132416
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 3624ba7b5e2acc02b01301ea5fd3534971eb9896
config: hexagon-randconfig-r033-20220214 (https://download.01.org/0day-ci/archive/20220215/202202151705.Uez40mBM-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 37f422f4ac31c8b8041c6b62065263314282dab6)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/f93266963b3b3629980fa3384a5e37fd13f4c350
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Zhen-Ni/sched-Move-a-series-of-sysctls-starting-with-sys-kernel-sched_/20220215-132416
git checkout f93266963b3b3629980fa3384a5e37fd13f4c350
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash kernel/rcu/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
kernel/rcu/rcutorture.c:380:16: warning: variable 'started' set but not used [-Wunused-but-set-variable]
unsigned long started;
^
kernel/rcu/rcutorture.c:381:16: warning: variable 'completed' set but not used [-Wunused-but-set-variable]
unsigned long completed;
^
kernel/rcu/rcutorture.c:384:21: warning: variable 'ts' set but not used [-Wunused-but-set-variable]
unsigned long long ts;
^
>> kernel/rcu/rcutorture.c:921:19: error: use of undeclared identifier 'sysctl_sched_rt_runtime'; did you mean 'sysctl_sched_rr_timeslice'?
old_rt_runtime = sysctl_sched_rt_runtime;
^~~~~~~~~~~~~~~~~~~~~~~
sysctl_sched_rr_timeslice
include/linux/sched/sysctl.h:37:12: note: 'sysctl_sched_rr_timeslice' declared here
extern int sysctl_sched_rr_timeslice;
^
kernel/rcu/rcutorture.c:922:2: error: use of undeclared identifier 'sysctl_sched_rt_runtime'
sysctl_sched_rt_runtime = -1;
^
kernel/rcu/rcutorture.c:930:2: error: use of undeclared identifier 'sysctl_sched_rt_runtime'
sysctl_sched_rt_runtime = old_rt_runtime;
^
kernel/rcu/rcutorture.c:1620:21: warning: variable 'ts' set but not used [-Wunused-but-set-variable]
unsigned long long ts;
^
4 warnings and 3 errors generated.
vim +921 kernel/rcu/rcutorture.c
450efca7182a516 Joel Fernandes (Google 2018-06-10 909)
450efca7182a516 Joel Fernandes (Google 2018-06-10 910) static void rcu_torture_disable_rt_throttle(void)
450efca7182a516 Joel Fernandes (Google 2018-06-10 911) {
450efca7182a516 Joel Fernandes (Google 2018-06-10 912) /*
450efca7182a516 Joel Fernandes (Google 2018-06-10 913) * Disable RT throttling so that rcutorture's boost threads don't get
450efca7182a516 Joel Fernandes (Google 2018-06-10 914) * throttled. Only possible if rcutorture is built-in otherwise the
450efca7182a516 Joel Fernandes (Google 2018-06-10 915) * user should manually do this by setting the sched_rt_period_us and
450efca7182a516 Joel Fernandes (Google 2018-06-10 916) * sched_rt_runtime sysctls.
450efca7182a516 Joel Fernandes (Google 2018-06-10 917) */
450efca7182a516 Joel Fernandes (Google 2018-06-10 918) if (!IS_BUILTIN(CONFIG_RCU_TORTURE_TEST) || old_rt_runtime != -1)
450efca7182a516 Joel Fernandes (Google 2018-06-10 919) return;
450efca7182a516 Joel Fernandes (Google 2018-06-10 920)
450efca7182a516 Joel Fernandes (Google 2018-06-10 @921) old_rt_runtime = sysctl_sched_rt_runtime;
450efca7182a516 Joel Fernandes (Google 2018-06-10 922) sysctl_sched_rt_runtime = -1;
450efca7182a516 Joel Fernandes (Google 2018-06-10 923) }
450efca7182a516 Joel Fernandes (Google 2018-06-10 924)
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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