linux-kernel - Re: [PATCH v2 2/2] trace: Add an option for boot clock as trace clock

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Date:   Tue, 22 Nov 2016 11:42:45 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Joel Fernandes <joelaf@...gle.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Joel Fernandes <joelaf@...gle.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        John Stultz <john.stultz@...aro.org>,
        Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH v2 2/2] trace: Add an option for boot clock as trace clock

Hi Joel,

[auto build test ERROR on tip/timers/core]
[also build test ERROR on v4.9-rc6 next-20161117]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Joel-Fernandes/timekeeping-Introduce-a-fast-boot-clock-derived-from-fast-monotonic-clock/20161122-071652
config: x86_64-rhel (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> kernel/trace/trace.c:1128:4: error: 'ktime_get_boot_fast_ns' undeclared here (not in a function)
     { ktime_get_boot_fast_ns, "boot",  1 },
       ^~~~~~~~~~~~~~~~~~~~~~

vim +/ktime_get_boot_fast_ns +1128 kernel/trace/trace.c

  1122		{ trace_clock_global,		"global",	1 },
  1123		{ trace_clock_counter,		"counter",	0 },
  1124		{ trace_clock_jiffies,		"uptime",	0 },
  1125		{ trace_clock,			"perf",		1 },
  1126		{ ktime_get_mono_fast_ns,	"mono",		1 },
  1127		{ ktime_get_raw_fast_ns,	"mono_raw",	1 },
> 1128		{ ktime_get_boot_fast_ns,	"boot",		1 },
  1129		ARCH_TRACE_CLOCKS
  1130	};
  1131	

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

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