Re: [RFC v6 2/5] sched/core: Update turbo_sched count only when required

[kbuild test robot <lkp@intel.com>]

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Hi Parth,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on tip/sched/core]
[also build test ERROR on powerpc/next tip/auto-latest linux/master linus/master v5.5-rc7 next-20200121]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Parth-Shah/TurboSched-A-scheduler-for-sustaining-Turbo-Frequencies-for-longer-durations/20200124-041428
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git afa70d941f663c69c9a64ec1021bbcfa82f0e54a
config: arm64-randconfig-a001-20200124 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=arm64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   kernel/sched/core.c:98:6: error: redefinition of 'turbo_sched_get'
    void turbo_sched_get(void) { return ; }
         ^~~~~~~~~~~~~~~
   kernel/sched/core.c:97:6: note: previous definition of 'turbo_sched_get' was here
    void turbo_sched_get(void) { return ; }
         ^~~~~~~~~~~~~~~
   In file included from arch/arm64/include/asm/current.h:5:0,
                    from include/linux/sched.h:12,
                    from kernel/sched/sched.h:5,
                    from kernel/sched/core.c:9:
   kernel/sched/core.c: In function 'finish_task_switch':
>> kernel/sched/sched.h:2484:45: error: 'struct task_struct' has no member named 'latency_nice'; did you mean 'latency_record'?
    #define is_bg_task(p)  (bgtask_latency((p)->latency_nice))
                                                ^
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
    # define unlikely(x) __builtin_expect(!!(x), 0)
                                             ^
   kernel/sched/sched.h:2484:25: note: in expansion of macro 'bgtask_latency'
    #define is_bg_task(p)  (bgtask_latency((p)->latency_nice))
                            ^~~~~~~~~~~~~~
   kernel/sched/core.c:3272:16: note: in expansion of macro 'is_bg_task'
      if (unlikely(is_bg_task(prev)))
                   ^~~~~~~~~~
>> kernel/sched/sched.h:2483:39: error: 'MAX_LATENCY_NICE' undeclared (first use in this function); did you mean 'MAX_CFTYPE_NAME'?
    #define bgtask_latency(lat) ((lat) == MAX_LATENCY_NICE)
                                          ^
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
    # define unlikely(x) __builtin_expect(!!(x), 0)
                                             ^
   kernel/sched/sched.h:2484:25: note: in expansion of macro 'bgtask_latency'
    #define is_bg_task(p)  (bgtask_latency((p)->latency_nice))
                            ^~~~~~~~~~~~~~
   kernel/sched/core.c:3272:16: note: in expansion of macro 'is_bg_task'
      if (unlikely(is_bg_task(prev)))
                   ^~~~~~~~~~
   kernel/sched/sched.h:2483:39: note: each undeclared identifier is reported only once for each function it appears in
    #define bgtask_latency(lat) ((lat) == MAX_LATENCY_NICE)
                                          ^
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
    # define unlikely(x) __builtin_expect(!!(x), 0)
                                             ^
   kernel/sched/sched.h:2484:25: note: in expansion of macro 'bgtask_latency'
    #define is_bg_task(p)  (bgtask_latency((p)->latency_nice))
                            ^~~~~~~~~~~~~~
   kernel/sched/core.c:3272:16: note: in expansion of macro 'is_bg_task'
      if (unlikely(is_bg_task(prev)))
                   ^~~~~~~~~~
   In file included from kernel/sched/core.c:9:0:
   kernel/sched/core.c: In function '__sched_setscheduler':
   kernel/sched/core.c:4801:44: error: 'const struct sched_attr' has no member named 'sched_latency_nice'; did you mean 'sched_nice'?
     bool attr_leniency = bgtask_latency(attr->sched_latency_nice);
                                               ^
   kernel/sched/sched.h:2483:31: note: in definition of macro 'bgtask_latency'
    #define bgtask_latency(lat) ((lat) == MAX_LATENCY_NICE)
                                  ^~~
>> kernel/sched/sched.h:2483:39: error: 'MAX_LATENCY_NICE' undeclared (first use in this function); did you mean 'MAX_CFTYPE_NAME'?
    #define bgtask_latency(lat) ((lat) == MAX_LATENCY_NICE)
                                          ^
   kernel/sched/core.c:4801:23: note: in expansion of macro 'bgtask_latency'
     bool attr_leniency = bgtask_latency(attr->sched_latency_nice);
                          ^~~~~~~~~~~~~~
>> kernel/sched/sched.h:2484:45: error: 'struct task_struct' has no member named 'latency_nice'; did you mean 'latency_record'?
    #define is_bg_task(p)  (bgtask_latency((p)->latency_nice))
                                                ^
   kernel/sched/sched.h:2483:31: note: in definition of macro 'bgtask_latency'
    #define bgtask_latency(lat) ((lat) == MAX_LATENCY_NICE)
                                  ^~~
   kernel/sched/core.c:5018:6: note: in expansion of macro 'is_bg_task'
     if (is_bg_task(p) != attr_leniency)
         ^~~~~~~~~~

vim +2484 kernel/sched/sched.h

  2482	
> 2483	#define bgtask_latency(lat)	((lat) == MAX_LATENCY_NICE)
> 2484	#define is_bg_task(p)		(bgtask_latency((p)->latency_nice))
  2485	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
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