linux-kernel - [tip:timers/core 6/6] include/trace/events/alarmtimer.h:62: undefined reference to `rtc_ktime_to

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Message-ID: <201609041215.hzPsTEvV%fengguang.wu@intel.com>
Date:   Sun, 4 Sep 2016 12:00:18 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Baolin Wang <baolin.wang@...aro.org>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        tipbuild@...or.com, John Stultz <john.stultz@...aro.org>
Subject: [tip:timers/core 6/6] include/trace/events/alarmtimer.h:62:
 undefined reference to `rtc_ktime_to_tm'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
head:   a0a6e06d545a753740c9d8d5ce2c4fdd3ab1c021
commit: a0a6e06d545a753740c9d8d5ce2c4fdd3ab1c021 [6/6] time: alarmtimer: Add tracepoints for alarmtimers
config: s390-default_defconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout a0a6e06d545a753740c9d8d5ce2c4fdd3ab1c021
        # save the attached .config to linux build tree
        make.cross ARCH=s390 

All errors (new ones prefixed by >>):

   kernel/built-in.o: In function `perf_trace_alarm_processing':
>> include/trace/events/alarmtimer.h:62: undefined reference to `rtc_ktime_to_tm'
>> include/trace/events/alarmtimer.h:62: undefined reference to `rtc_ktime_to_tm'
>> include/trace/events/alarmtimer.h:62: undefined reference to `rtc_ktime_to_tm'
>> include/trace/events/alarmtimer.h:62: undefined reference to `rtc_ktime_to_tm'
>> include/trace/events/alarmtimer.h:62: undefined reference to `rtc_ktime_to_tm'
   kernel/built-in.o:include/trace/events/alarmtimer.h:62: more undefined references to `rtc_ktime_to_tm' follow

vim +62 include/trace/events/alarmtimer.h

    56	
    57		TP_PROTO(struct rtc_time *time, int flag),
    58	
    59		TP_ARGS(time, flag)
    60	);
    61	
  > 62	DECLARE_EVENT_CLASS(alarm_processing,
    63	
    64		TP_PROTO(struct alarm *alarm, char *process_name),
    65	

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