netdev - Re: [RFC PATCH 1/2] perf: Add the flag sample_disable not to output data on samples

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Date:	Mon, 12 Oct 2015 22:14:27 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Kaixu Xia <xiakaixu@...wei.com>
Cc:	kbuild-all@...org, ast@...mgrid.com, davem@...emloft.net,
	acme@...nel.org, mingo@...hat.com, a.p.zijlstra@...llo.nl,
	masami.hiramatsu.pt@...achi.com, jolsa@...nel.org,
	daniel@...earbox.net, xiakaixu@...wei.com, wangnan0@...wei.com,
	linux-kernel@...r.kernel.org, pi3orama@....com, hekuang@...wei.com,
	netdev@...r.kernel.org
Subject: Re: [RFC PATCH 1/2] perf: Add the flag sample_disable not to output
 data on samples

Hi Kaixu,

[auto build test ERROR on tip/perf/core -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/Kaixu-Xia/bpf-enable-disable-events-stored-in-PERF_EVENT_ARRAY-maps-trace-data-output-when-perf-sampling/20151012-170616
config: m68k-allyesconfig (attached as .config)
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
        # save the attached .config to linux build tree
        make.cross ARCH=m68k 

All errors (new ones prefixed by >>):

   kernel/bpf/arraymap.c: In function 'perf_event_fd_array_get_ptr':
>> kernel/bpf/arraymap.c:305:7: error: 'struct perf_event' has no member named 'sample_disable'
     event->sample_disable = &map->perf_sample_disable;
          ^

vim +305 kernel/bpf/arraymap.c

   299		if (attr->type != PERF_TYPE_RAW &&
   300		    attr->type != PERF_TYPE_HARDWARE) {
   301			perf_event_release_kernel(event);
   302			return ERR_PTR(-EINVAL);
   303		}
   304	
 > 305		event->sample_disable = &map->perf_sample_disable;
   306		return event;
   307	}
   308	

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

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