linux-kernel - Re: [PATCH 4/4] perf/x86/amd/power: Add AMD accumulated power reporting mechanism

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Date:	Thu, 7 Jan 2016 11:14:50 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Huang Rui <ray.huang@....com>
Cc:	kbuild-all@...org, Borislav Petkov <bp@...e.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Andy Lutomirski <luto@...capital.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Robert Richter <rric@...nel.org>,
	Jacob Shin <jacob.w.shin@...il.com>,
	John Stultz <john.stultz@...aro.org>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org, spg_linux_kernel@....com,
	x86@...nel.org, Guenter Roeck <linux@...ck-us.net>,
	Andreas Herrmann <herrmann.der.user@...glemail.com>,
	Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
	Aravind Gopalakrishnan <Aravind.Gopalakrishnan@....com>,
	Borislav Petkov <bp@...en8.de>,
	Fengguang Wu <fengguang.wu@...el.com>,
	Aaron Lu <aaron.lu@...el.com>, Huang Rui <ray.huang@....com>
Subject: Re: [PATCH 4/4] perf/x86/amd/power: Add AMD accumulated power
 reporting mechanism

Hi Huang,

[auto build test ERROR on bp/for-next]
[also build test ERROR on v4.4-rc8 next-20160106]
[cannot apply to tip/x86/core]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Huang-Rui/perf-x86-power-Introduce-AMD-accumlated-power-reporting-mechanism/20160107-103309
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp for-next
config: i386-randconfig-s1-201601 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All error/warnings (new ones prefixed by >>):

   In file included from include/linux/kobject.h:21:0,
                    from include/linux/module.h:17,
                    from arch/x86/kernel/cpu/perf_event_amd_power.c:13:
>> arch/x86/kernel/cpu/perf_event.h:663:31: error: 'events_sysfs_show' undeclared here (not in a function)
     .attr  = __ATTR(_name, 0444, events_sysfs_show, NULL), \
                                  ^
   include/linux/sysfs.h:103:10: note: in definition of macro '__ATTR'
     .show = _show,      \
             ^
>> arch/x86/kernel/cpu/perf_event_amd_power.c:244:1: note: in expansion of macro 'EVENT_ATTR_STR'
    EVENT_ATTR_STR(power-pkg, power_pkg, "event=0x01");
    ^

vim +/events_sysfs_show +663 arch/x86/kernel/cpu/perf_event.h

3a54aaa0 Stephane Eranian 2013-01-24  657  	.id		= PERF_COUNT_HW_##_id,				\
3a54aaa0 Stephane Eranian 2013-01-24  658  	.event_str	= NULL,						\
3a54aaa0 Stephane Eranian 2013-01-24  659  };
3a54aaa0 Stephane Eranian 2013-01-24  660  
3a54aaa0 Stephane Eranian 2013-01-24  661  #define EVENT_ATTR_STR(_name, v, str)					\
3a54aaa0 Stephane Eranian 2013-01-24  662  static struct perf_pmu_events_attr event_attr_##v = {			\
3a54aaa0 Stephane Eranian 2013-01-24 @663  	.attr		= __ATTR(_name, 0444, events_sysfs_show, NULL),	\
3a54aaa0 Stephane Eranian 2013-01-24  664  	.id		= 0,						\
3a54aaa0 Stephane Eranian 2013-01-24  665  	.event_str	= str,						\
3a54aaa0 Stephane Eranian 2013-01-24  666  };

:::::: The code at line 663 was first introduced by commit
:::::: 3a54aaa0a3ddb2cf2ec1b94a94024e9a8a8af962 perf/x86: Improve sysfs event mapping with event string

:::::: TO: Stephane Eranian <eranian@...gle.com>
:::::: CC: Arnaldo Carvalho de Melo <acme@...hat.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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