Re: [PATCH 1/5] sched,time: count actually elapsed irq & softirq time
From: kbuild test robot
Date: Thu Jun 16 2016 - 12:24:46 EST
Hi,
[auto build test ERROR on tip/sched/core]
[also build test ERROR on next-20160616]
[cannot apply to v4.7-rc3]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/riel-redhat-com/sched-time-fix-irq-time-accounting-with-nohz_idle/20160617-001150
config: i386-tinyconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
Note: the linux-review/riel-redhat-com/sched-time-fix-irq-time-accounting-with-nohz_idle/20160617-001150 HEAD cc827b6bc02ef052d79b5dbd2c355d9483a8ada7 builds fine.
It only hurts bisectibility.
All errors (new ones prefixed by >>):
kernel/sched/cputime.c: In function 'account_other_ticks':
>> kernel/sched/cputime.c:299:16: error: implicit declaration of function 'irqtime_account_hi_update' [-Werror=implicit-function-declaration]
accounted += irqtime_account_hi_update(max_jiffies - accounted);
^~~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/sched/cputime.c:302:16: error: implicit declaration of function 'irqtime_account_si_update' [-Werror=implicit-function-declaration]
accounted += irqtime_account_si_update(max_jiffies - accounted);
^~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/irqtime_account_hi_update +299 kernel/sched/cputime.c
293 {
294 unsigned long accounted;
295
296 accounted = steal_account_process_tick(max_jiffies);
297
298 if (accounted < max_jiffies)
> 299 accounted += irqtime_account_hi_update(max_jiffies - accounted);
300
301 if (accounted < max_jiffies)
> 302 accounted += irqtime_account_si_update(max_jiffies - accounted);
303
304 return accounted;
305 }
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