Re: [PATCH v7 3/4] sched, psi: Don't account irq time if sched_clock_irqtime is disabled

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Hi Yafang,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/sched/core]
[also build test ERROR on peterz-queue/sched/core linus/master v6.13-rc2 next-20241213]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Yafang-Shao/sched-Define-sched_clock_irqtime-as-static-key/20241215-112638
base:   tip/sched/core
patch link:    https://lore.kernel.org/r/20241215032315.43698-4-laoar.shao%40gmail.com
patch subject: [PATCH v7 3/4] sched, psi: Don't account irq time if sched_clock_irqtime is disabled
config: arc-randconfig-001-20241215 (https://download.01.org/0day-ci/archive/20241215/202412152009.HZ862kna-lkp@xxxxxxxxx/config)
compiler: arc-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241215/202412152009.HZ862kna-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412152009.HZ862kna-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from kernel/sched/build_utility.c:96:
   kernel/sched/psi.c: In function 'psi_show':
>> kernel/sched/psi.c:1243:42: error: 'PSI_IRQ' undeclared (first use in this function); did you mean 'PSI_IO'?
    1243 |         if (!irqtime_enabled() && res == PSI_IRQ)
         |                                          ^~~~~~~
         |                                          PSI_IO
   kernel/sched/psi.c:1243:42: note: each undeclared identifier is reported only once for each function it appears in


vim +1243 kernel/sched/psi.c

  1233	
  1234	int psi_show(struct seq_file *m, struct psi_group *group, enum psi_res res)
  1235	{
  1236		bool only_full = false;
  1237		int full;
  1238		u64 now;
  1239	
  1240		if (static_branch_likely(&psi_disabled))
  1241			return -EOPNOTSUPP;
  1242	
> 1243		if (!irqtime_enabled() && res == PSI_IRQ)
  1244			return -EOPNOTSUPP;
  1245	
  1246		/* Update averages before reporting them */
  1247		mutex_lock(&group->avgs_lock);
  1248		now = sched_clock();
  1249		collect_percpu_times(group, PSI_AVGS, NULL);
  1250		if (now >= group->avg_next_update)
  1251			group->avg_next_update = update_averages(group, now);
  1252		mutex_unlock(&group->avgs_lock);
  1253	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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