Messages in this thread | | | Date | Wed, 6 Jul 2022 10:56:14 +0800 | From | kernel test robot <> | Subject | [jolsa-perf:bpf/tramp_22 9/21] samples/ftrace/ftrace-direct-set.c:101:9: error: implicit declaration of function 'ftrace_test_0'; did you mean 'ftrace_stub'? |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/tramp_22 head: 1d891c46bb689a24985cea58f4eddb053d6b1331 commit: 9ab569add4e6fbed8f741c03c5cff3b4d0651932 [9/21] ftrace/samples: Add a sample module that implements set_ftrace_direct config: x86_64-rhel-8.3-kselftests (https://download.01.org/0day-ci/archive/20220706/202207061028.u77lpq7g-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=9ab569add4e6fbed8f741c03c5cff3b4d0651932 git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git git fetch --no-tags jolsa-perf bpf/tramp_22 git checkout 9ab569add4e6fbed8f741c03c5cff3b4d0651932 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash samples/ftrace/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
samples/ftrace/ftrace-direct-set.c: In function 'runall': >> samples/ftrace/ftrace-direct-set.c:101:9: error: implicit declaration of function 'ftrace_test_0'; did you mean 'ftrace_stub'? [-Werror=implicit-function-declaration] 101 | ftrace_test_0(); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:102:9: error: implicit declaration of function 'ftrace_test_1'; did you mean 'ftrace_stub'? [-Werror=implicit-function-declaration] 102 | ftrace_test_1(); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:103:9: error: implicit declaration of function 'ftrace_test_2'; did you mean 'ftrace_stub'? [-Werror=implicit-function-declaration] 103 | ftrace_test_2(); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:104:9: error: implicit declaration of function 'ftrace_test_3'; did you mean 'ftrace_stub'? [-Werror=implicit-function-declaration] 104 | ftrace_test_3(); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:105:9: error: implicit declaration of function 'ftrace_test_4'; did you mean 'ftrace_stub'? [-Werror=implicit-function-declaration] 105 | ftrace_test_4(); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:106:9: error: implicit declaration of function 'ftrace_test_5'; did you mean 'ftrace_stub'? [-Werror=implicit-function-declaration] 106 | ftrace_test_5(); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:107:9: error: implicit declaration of function 'ftrace_test_6'; did you mean 'ftrace_stub'? [-Werror=implicit-function-declaration] 107 | ftrace_test_6(); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:108:9: error: implicit declaration of function 'ftrace_test_7'; did you mean 'ftrace_stub'? [-Werror=implicit-function-declaration] 108 | ftrace_test_7(); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:109:9: error: implicit declaration of function 'ftrace_test_8'; did you mean 'ftrace_stub'? [-Werror=implicit-function-declaration] 109 | ftrace_test_8(); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:110:9: error: implicit declaration of function 'ftrace_test_9'; did you mean 'ftrace_stub'? [-Werror=implicit-function-declaration] 110 | ftrace_test_9(); | ^~~~~~~~~~~~~ | ftrace_stub samples/ftrace/ftrace-direct-set.c: In function 'ftrace_direct_set_init': >> samples/ftrace/ftrace-direct-set.c:134:18: error: 'ftrace_test_0' undeclared (first use in this function); did you mean 'ftrace_stub'? 134 | hash_set(ftrace_test_0, tramp_0); | ^~~~~~~~~~~~~ | ftrace_stub samples/ftrace/ftrace-direct-set.c:134:18: note: each undeclared identifier is reported only once for each function it appears in >> samples/ftrace/ftrace-direct-set.c:135:18: error: 'ftrace_test_1' undeclared (first use in this function); did you mean 'ftrace_stub'? 135 | hash_set(ftrace_test_1, tramp_1); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:156:18: error: 'ftrace_test_2' undeclared (first use in this function); did you mean 'ftrace_stub'? 156 | hash_set(ftrace_test_2, tramp_0); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:157:18: error: 'ftrace_test_3' undeclared (first use in this function); did you mean 'ftrace_stub'? 157 | hash_set(ftrace_test_3, tramp_0); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:158:18: error: 'ftrace_test_4' undeclared (first use in this function); did you mean 'ftrace_stub'? 158 | hash_set(ftrace_test_4, tramp_4); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:159:18: error: 'ftrace_test_5' undeclared (first use in this function); did you mean 'ftrace_stub'? 159 | hash_set(ftrace_test_5, tramp_5); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:160:18: error: 'ftrace_test_6' undeclared (first use in this function); did you mean 'ftrace_stub'? 160 | hash_set(ftrace_test_6, tramp_6); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:161:18: error: 'ftrace_test_7' undeclared (first use in this function); did you mean 'ftrace_stub'? 161 | hash_set(ftrace_test_7, tramp_7); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:162:18: error: 'ftrace_test_8' undeclared (first use in this function); did you mean 'ftrace_stub'? 162 | hash_set(ftrace_test_8, tramp_8); | ^~~~~~~~~~~~~ | ftrace_stub >> samples/ftrace/ftrace-direct-set.c:163:18: error: 'ftrace_test_9' undeclared (first use in this function); did you mean 'ftrace_stub'? 163 | hash_set(ftrace_test_9, tramp_9); | ^~~~~~~~~~~~~ | ftrace_stub cc1: some warnings being treated as errors
vim +101 samples/ftrace/ftrace-direct-set.c
87 88 static void runall(const char *str) 89 { 90 tramp_0_cnt = 0; 91 tramp_1_cnt = 0; 92 tramp_2_cnt = 0; 93 tramp_3_cnt = 0; 94 tramp_4_cnt = 0; 95 tramp_5_cnt = 0; 96 tramp_6_cnt = 0; 97 tramp_7_cnt = 0; 98 tramp_8_cnt = 0; 99 tramp_9_cnt = 0; 100 > 101 ftrace_test_0(); > 102 ftrace_test_1(); > 103 ftrace_test_2(); > 104 ftrace_test_3(); > 105 ftrace_test_4(); > 106 ftrace_test_5(); > 107 ftrace_test_6(); > 108 ftrace_test_7(); > 109 ftrace_test_8(); > 110 ftrace_test_9(); 111 112 printk("%40s - %d%d%d%d%d%d%d%d%d%d\n", 113 str, 114 tramp_0_cnt, 115 tramp_1_cnt, 116 tramp_2_cnt, 117 tramp_3_cnt, 118 tramp_4_cnt, 119 tramp_5_cnt, 120 tramp_6_cnt, 121 tramp_7_cnt, 122 tramp_8_cnt, 123 tramp_9_cnt); 124 } 125 126 static int __init ftrace_direct_set_init(void) 127 { 128 int err; 129 130 hash = ftrace_hash_alloc(FTRACE_HASH_DEFAULT_BITS); 131 if (!hash) 132 return -ENOMEM; 133 > 134 hash_set(ftrace_test_0, tramp_0); > 135 hash_set(ftrace_test_1, tramp_1); 136 hash_printk(); 137 138 err = set_ftrace_direct(hash); 139 if (err) 140 goto out_free; 141 142 runall("tramp_0|1"); 143 144 hash_set(ftrace_test_0, tramp_2); 145 hash_set(ftrace_test_1, tramp_3); 146 hash_printk(); 147 148 err = set_ftrace_direct(hash); 149 if (err) 150 goto out_free; 151 152 runall("tramp_2|3"); 153 154 hash_set(ftrace_test_0, tramp_0); 155 hash_set(ftrace_test_1, tramp_0); > 156 hash_set(ftrace_test_2, tramp_0); > 157 hash_set(ftrace_test_3, tramp_0); > 158 hash_set(ftrace_test_4, tramp_4); > 159 hash_set(ftrace_test_5, tramp_5); > 160 hash_set(ftrace_test_6, tramp_6); > 161 hash_set(ftrace_test_7, tramp_7); > 162 hash_set(ftrace_test_8, tramp_8); > 163 hash_set(ftrace_test_9, tramp_9); 164 hash_printk(); 165 166 err = set_ftrace_direct(hash); 167 if (err) 168 goto out_free; 169 170 runall("tramp_0(4)|4|5|6|7|8|9"); 171 172 hash_set(ftrace_test_0, tramp_1); 173 hash_set(ftrace_test_1, tramp_1); 174 hash_set(ftrace_test_2, tramp_1); 175 hash_set(ftrace_test_3, tramp_2); 176 hash_set(ftrace_test_4, tramp_2); 177 hash_set(ftrace_test_5, tramp_2); 178 hash_set(ftrace_test_6, tramp_3); 179 hash_set(ftrace_test_7, tramp_3); 180 hash_set(ftrace_test_8, tramp_3); 181 hash_set(ftrace_test_9, tramp_4); 182 hash_printk(); 183 184 err = set_ftrace_direct(hash); 185 if (err) 186 goto out_free; 187 188 runall("tramp_1(3)|2(3)|3(3)|4"); 189 return 0; 190 191 out_free: 192 ftrace_hash_free(hash); 193 return -ENOMEM; 194 } 195
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