Hi Xie, [auto build test ERROR on tip/sched/core] [also build test ERROR on v4.13-rc4 next-20170808] [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/Xie-XiuQi/sched-debug-show-task-state-on-proc-sched_debug/20170808-135825 config: x86_64-randconfig-ws0-08082012 (attached as .config) compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/proc_fs.h:7, from kernel/sched/debug.c:13: kernel/sched/debug.c: In function 'print_task': >> include/linux/compiler.h:159:17: error: implicit declaration of function >> 'task_sate_to_char' [-Werror=implicit-function-declaration] static struct ftrace_branch_data \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^ >> kernel/sched/debug.c:32:2: note: in expansion of macro 'if' if (m) \ ^ >> kernel/sched/debug.c:432:3: note: in expansion of macro 'SEQ_printf' SEQ_printf(m, " %c", task_sate_to_char(p)); ^ cc1: some warnings being treated as errors -- In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/proc_fs.h:7, from kernel//sched/debug.c:13: kernel//sched/debug.c: In function 'print_task': >> include/linux/compiler.h:159:17: error: implicit declaration of function >> 'task_sate_to_char' [-Werror=implicit-function-declaration] static struct ftrace_branch_data \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^ kernel//sched/debug.c:32:2: note: in expansion of macro 'if' if (m) \ ^ kernel//sched/debug.c:432:3: note: in expansion of macro 'SEQ_printf' SEQ_printf(m, " %c", task_sate_to_char(p)); ^ cc1: some warnings being treated as errors vim +/task_sate_to_char +159 include/linux/compiler.h 2bcd521a Steven Rostedt 2008-11-21 148 2bcd521a Steven Rostedt 2008-11-21 149 #ifdef CONFIG_PROFILE_ALL_BRANCHES 2bcd521a Steven Rostedt 2008-11-21 150 /* 2bcd521a Steven Rostedt 2008-11-21 151 * "Define 'is'", Bill Clinton 2bcd521a Steven Rostedt 2008-11-21 152 * "Define 'if'", Steven Rostedt 2bcd521a Steven Rostedt 2008-11-21 153 */ ab3c9c68 Linus Torvalds 2009-04-07 154 #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ab3c9c68 Linus Torvalds 2009-04-07 155 #define __trace_if(cond) \ b33c8ff4 Arnd Bergmann 2016-02-12 156 if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ 2bcd521a Steven Rostedt 2008-11-21 157 ({ \ 2bcd521a Steven Rostedt 2008-11-21 158 int ______r; \ 2bcd521a Steven Rostedt 2008-11-21 @159 static struct ftrace_branch_data \ 2bcd521a Steven Rostedt 2008-11-21 160 __attribute__((__aligned__(4))) \ 2bcd521a Steven Rostedt 2008-11-21 161 __attribute__((section("_ftrace_branch"))) \ 2bcd521a Steven Rostedt 2008-11-21 162 ______f = { \ 2bcd521a Steven Rostedt 2008-11-21 163 .func = __func__, \ 2bcd521a Steven Rostedt 2008-11-21 164 .file = __FILE__, \ 2bcd521a Steven Rostedt 2008-11-21 165 .line = __LINE__, \ 2bcd521a Steven Rostedt 2008-11-21 166 }; \ 2bcd521a Steven Rostedt 2008-11-21 167 ______r = !!(cond); \ 97e7e4f3 Witold Baryluk 2009-03-17 168 ______f.miss_hit[______r]++; \ 2bcd521a Steven Rostedt 2008-11-21 169 ______r; \ 2bcd521a Steven Rostedt 2008-11-21 170 })) 2bcd521a Steven Rostedt 2008-11-21 171 #endif /* CONFIG_PROFILE_ALL_BRANCHES */ 2bcd521a Steven Rostedt 2008-11-21 172 :::::: The code at line 159 was first introduced by commit :::::: 2bcd521a684cc94befbe2ce7d5b613c841b0d304 trace: profile all if conditionals :::::: TO: Steven Rostedt <srost...@redhat.com> :::::: CC: Ingo Molnar <mi...@elte.hu> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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