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* [android-common:mirror-chromeos-5.10-arcvm 12/12] kernel/sched/rt.c:982:50: error: 'struct rq' has no member named 'cpu'
@ 2024-05-08 13:20 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-05-08 13:20 UTC (permalink / raw)
  To: cros-kernel-buildreports; +Cc: oe-kbuild-all

tree:   https://android.googlesource.com/kernel/common mirror-chromeos-5.10-arcvm
head:   60159db699f14e547ce5ede2a7bad9b99e24cd3f
commit: 60159db699f14e547ce5ede2a7bad9b99e24cd3f [12/12] CHROMIUM: x86: rt: Avoid throttling over host suspend.
config: i386-buildonly-randconfig-004-20240508 (https://download.01.org/0day-ci/archive/20240508/202405082117.kaRrlF8q-lkp@intel.com/config)
compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240508/202405082117.kaRrlF8q-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405082117.kaRrlF8q-lkp@intel.com/

All errors (new ones prefixed by >>):

   kernel/sched/rt.c:675:6: warning: no previous prototype for 'sched_rt_bandwidth_account' [-Wmissing-prototypes]
     675 | bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from include/linux/kernel.h:17,
                    from arch/x86/include/asm/percpu.h:27,
                    from arch/x86/include/asm/current.h:6,
                    from include/linux/sched.h:12,
                    from kernel/sched/sched.h:5,
                    from kernel/sched/rt.c:6:
   kernel/sched/rt.c: In function 'sched_rt_runtime_exceeded':
>> kernel/sched/rt.c:982:50: error: 'struct rq' has no member named 'cpu'
     982 |                     "(%ld)\n", rq_of_rt_rq(rt_rq)->cpu, rt_rq->rt_time);
         |                                                  ^~
   include/linux/printk.h:460:40: note: in definition of macro 'printk_deferred_once'
     460 |                 printk_deferred(fmt, ##__VA_ARGS__);            \
         |                                        ^~~~~~~~~~~


vim +982 kernel/sched/rt.c

6f505b16425a51 kernel/sched_rt.c Peter Zijlstra       2008-01-25   955  
9f0c1e560c4332 kernel/sched_rt.c Peter Zijlstra       2008-02-13   956  static int sched_rt_runtime_exceeded(struct rt_rq *rt_rq)
6f505b16425a51 kernel/sched_rt.c Peter Zijlstra       2008-01-25   957  {
9f0c1e560c4332 kernel/sched_rt.c Peter Zijlstra       2008-02-13   958  	u64 runtime = sched_rt_runtime(rt_rq);
fa85ae2418e684 kernel/sched_rt.c Peter Zijlstra       2008-01-25   959  
fa85ae2418e684 kernel/sched_rt.c Peter Zijlstra       2008-01-25   960  	if (rt_rq->rt_throttled)
23b0fdfc9299b1 kernel/sched_rt.c Peter Zijlstra       2008-02-13   961  		return rt_rq_throttled(rt_rq);
fa85ae2418e684 kernel/sched_rt.c Peter Zijlstra       2008-01-25   962  
5b680fd61388ab kernel/sched/rt.c Shan Hai             2011-11-29   963  	if (runtime >= sched_rt_period(rt_rq))
ac086bc22997a2 kernel/sched_rt.c Peter Zijlstra       2008-04-19   964  		return 0;
ac086bc22997a2 kernel/sched_rt.c Peter Zijlstra       2008-04-19   965  
7def2be1dc6799 kernel/sched_rt.c Peter Zijlstra       2008-06-05   966  	balance_runtime(rt_rq);
ac086bc22997a2 kernel/sched_rt.c Peter Zijlstra       2008-04-19   967  	runtime = sched_rt_runtime(rt_rq);
7def2be1dc6799 kernel/sched_rt.c Peter Zijlstra       2008-06-05   968  	if (runtime == RUNTIME_INF)
7def2be1dc6799 kernel/sched_rt.c Peter Zijlstra       2008-06-05   969  		return 0;
ac086bc22997a2 kernel/sched_rt.c Peter Zijlstra       2008-04-19   970  
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   971  	/*
60159db699f14e kernel/sched/rt.c Suleiman Souhlal     2024-05-07   972  	 * XXX Temporary workaround for b/307775867 and b/336912980.
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   973  	 * We think we ran for this long because the host suspended while we
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   974  	 * were running, so just pretend we didn't run instead of throttling
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   975  	 * for a long time.
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   976  	 * The "5" was chosen so that it would be highly unlikely for this to
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   977  	 * happen in normal operation, while being small enough to be able to
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   978  	 * mitigate issues for shorter suspends.
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   979  	 */
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   980  	if (unlikely(runtime > 0 && rt_rq->rt_time >= 5 * runtime)) {
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   981  		printk_deferred_once("suspected host suspend. cpu %d rt_time "
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16  @982  		    "(%ld)\n", rq_of_rt_rq(rt_rq)->cpu, rt_rq->rt_time);
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   983  		rt_rq->rt_time = 0;
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   984  	}
4f653d6975381f kernel/sched/rt.c Suleiman Souhlal     2024-03-16   985  
9f0c1e560c4332 kernel/sched_rt.c Peter Zijlstra       2008-02-13   986  	if (rt_rq->rt_time > runtime) {
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18   987  		struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq);
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18   988  
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18   989  		/*
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18   990  		 * Don't actually throttle groups that have no runtime assigned
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18   991  		 * but accrue some time due to boosting.
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18   992  		 */
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18   993  		if (likely(rt_b->rt_runtime)) {
6f505b16425a51 kernel/sched_rt.c Peter Zijlstra       2008-01-25   994  			rt_rq->rt_throttled = 1;
c224815dac9c73 kernel/sched/rt.c John Stultz          2014-06-04   995  			printk_deferred_once("sched: RT throttling activated\n");
bf3d991a7daad2 kernel/sched/rt.c Sai Harshini Nimmala 2020-11-02   996  
bf3d991a7daad2 kernel/sched/rt.c Sai Harshini Nimmala 2020-11-02   997  			trace_android_vh_dump_throttled_rt_tasks(
bf3d991a7daad2 kernel/sched/rt.c Sai Harshini Nimmala 2020-11-02   998  				raw_smp_processor_id(),
bf3d991a7daad2 kernel/sched/rt.c Sai Harshini Nimmala 2020-11-02   999  				rq_clock(rq_of_rt_rq(rt_rq)),
bf3d991a7daad2 kernel/sched/rt.c Sai Harshini Nimmala 2020-11-02  1000  				sched_rt_period(rt_rq),
bf3d991a7daad2 kernel/sched/rt.c Sai Harshini Nimmala 2020-11-02  1001  				runtime,
bf3d991a7daad2 kernel/sched/rt.c Sai Harshini Nimmala 2020-11-02  1002  				hrtimer_get_expires_ns(&rt_b->rt_period_timer));
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18  1003  		} else {
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18  1004  			/*
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18  1005  			 * In case we did anyway, make it go away,
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18  1006  			 * replenishment is a joke, since it will replenish us
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18  1007  			 * with exactly 0 ns.
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18  1008  			 */
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18  1009  			rt_rq->rt_time = 0;
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18  1010  		}
7abc63b1bd412f kernel/sched/rt.c Peter Zijlstra       2011-10-18  1011  
23b0fdfc9299b1 kernel/sched_rt.c Peter Zijlstra       2008-02-13  1012  		if (rt_rq_throttled(rt_rq)) {
9f0c1e560c4332 kernel/sched_rt.c Peter Zijlstra       2008-02-13  1013  			sched_rt_rq_dequeue(rt_rq);
fa85ae2418e684 kernel/sched_rt.c Peter Zijlstra       2008-01-25  1014  			return 1;
fa85ae2418e684 kernel/sched_rt.c Peter Zijlstra       2008-01-25  1015  		}
23b0fdfc9299b1 kernel/sched_rt.c Peter Zijlstra       2008-02-13  1016  	}
fa85ae2418e684 kernel/sched_rt.c Peter Zijlstra       2008-01-25  1017  
fa85ae2418e684 kernel/sched_rt.c Peter Zijlstra       2008-01-25  1018  	return 0;
fa85ae2418e684 kernel/sched_rt.c Peter Zijlstra       2008-01-25  1019  }
fa85ae2418e684 kernel/sched_rt.c Peter Zijlstra       2008-01-25  1020  

:::::: The code at line 982 was first introduced by commit
:::::: 4f653d6975381f93075754c0d2b1ec8bc37b0df8 CHROMIUM: arm64: rt: Avoid throttling over host suspend.

:::::: TO: Suleiman Souhlal <suleiman@google.com>
:::::: CC: Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com>

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

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