CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: linux-ker...@vger.kernel.org TO: Waiman Long <long...@redhat.com> CC: Peter Zijlstra <pet...@infradead.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4b0986a3613c92f4ec1bdc7f60ec66fea135991f commit: fb7275acd6fb988313dddd8d3d19efa70d9015ad locking/lockdep: Iterate lock_classes directly when reading lockdep files date: 3 months ago :::::: branch date: 5 hours ago :::::: commit date: 3 months ago compiler: aarch64-linux-gcc (GCC) 11.3.0 reproduce (cppcheck warning): # apt-get install cppcheck git checkout fb7275acd6fb988313dddd8d3d19efa70d9015ad cppcheck --quiet --enable=style,performance,portability --template=gcc FILE If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <l...@intel.com> cppcheck possible warnings: (new ones prefixed by >>, may not real problems) >> kernel/locking/lockdep_proc.c:47:50: warning: Parameter 'pos' can be >> declared with const [constParameter] static void *l_start(struct seq_file *m, loff_t *pos) ^ >> kernel/locking/lockdep_proc.c:196:27: warning: Using pointer that is a >> temporary. [danglingTemporaryLifetime] unsigned long long hi1 = debug_atomic_read(hardirqs_on_events), ^ kernel/locking/lockdep_proc.c:196:27: note: Address of variable taken here. unsigned long long hi1 = debug_atomic_read(hardirqs_on_events), ^ kernel/locking/lockdep_proc.c:196:27: note: Temporary created here. unsigned long long hi1 = debug_atomic_read(hardirqs_on_events), ^ kernel/locking/lockdep_proc.c:196:27: note: Using pointer that is a temporary. unsigned long long hi1 = debug_atomic_read(hardirqs_on_events), ^ kernel/locking/lockdep_proc.c:197:13: warning: Using pointer that is a temporary. [danglingTemporaryLifetime] hi2 = debug_atomic_read(hardirqs_off_events), ^ kernel/locking/lockdep_proc.c:197:13: note: Address of variable taken here. hi2 = debug_atomic_read(hardirqs_off_events), ^ kernel/locking/lockdep_proc.c:197:13: note: Temporary created here. hi2 = debug_atomic_read(hardirqs_off_events), ^ kernel/locking/lockdep_proc.c:197:13: note: Using pointer that is a temporary. hi2 = debug_atomic_read(hardirqs_off_events), ^ kernel/locking/lockdep_proc.c:198:13: warning: Using pointer that is a temporary. [danglingTemporaryLifetime] hr1 = debug_atomic_read(redundant_hardirqs_on), ^ kernel/locking/lockdep_proc.c:198:13: note: Address of variable taken here. hr1 = debug_atomic_read(redundant_hardirqs_on), ^ kernel/locking/lockdep_proc.c:198:13: note: Temporary created here. hr1 = debug_atomic_read(redundant_hardirqs_on), ^ kernel/locking/lockdep_proc.c:198:13: note: Using pointer that is a temporary. hr1 = debug_atomic_read(redundant_hardirqs_on), ^ kernel/locking/lockdep_proc.c:199:13: warning: Using pointer that is a temporary. [danglingTemporaryLifetime] hr2 = debug_atomic_read(redundant_hardirqs_off), ^ kernel/locking/lockdep_proc.c:199:13: note: Address of variable taken here. hr2 = debug_atomic_read(redundant_hardirqs_off), ^ kernel/locking/lockdep_proc.c:199:13: note: Temporary created here. hr2 = debug_atomic_read(redundant_hardirqs_off), ^ kernel/locking/lockdep_proc.c:199:13: note: Using pointer that is a temporary. hr2 = debug_atomic_read(redundant_hardirqs_off), ^ kernel/locking/lockdep_proc.c:200:13: warning: Using pointer that is a temporary. [danglingTemporaryLifetime] si1 = debug_atomic_read(softirqs_on_events), ^ kernel/locking/lockdep_proc.c:200:13: note: Address of variable taken here. si1 = debug_atomic_read(softirqs_on_events), ^ kernel/locking/lockdep_proc.c:200:13: note: Temporary created here. si1 = debug_atomic_read(softirqs_on_events), ^ kernel/locking/lockdep_proc.c:200:13: note: Using pointer that is a temporary. si1 = debug_atomic_read(softirqs_on_events), ^ kernel/locking/lockdep_proc.c:201:13: warning: Using pointer that is a temporary. [danglingTemporaryLifetime] si2 = debug_atomic_read(softirqs_off_events), ^ kernel/locking/lockdep_proc.c:201:13: note: Address of variable taken here. si2 = debug_atomic_read(softirqs_off_events), ^ kernel/locking/lockdep_proc.c:201:13: note: Temporary created here. si2 = debug_atomic_read(softirqs_off_events), ^ kernel/locking/lockdep_proc.c:201:13: note: Using pointer that is a temporary. si2 = debug_atomic_read(softirqs_off_events), ^ kernel/locking/lockdep_proc.c:202:13: warning: Using pointer that is a temporary. [danglingTemporaryLifetime] sr1 = debug_atomic_read(redundant_softirqs_on), ^ kernel/locking/lockdep_proc.c:202:13: note: Address of variable taken here. sr1 = debug_atomic_read(redundant_softirqs_on), ^ kernel/locking/lockdep_proc.c:202:13: note: Temporary created here. sr1 = debug_atomic_read(redundant_softirqs_on), ^ kernel/locking/lockdep_proc.c:202:13: note: Using pointer that is a temporary. sr1 = debug_atomic_read(redundant_softirqs_on), ^ kernel/locking/lockdep_proc.c:203:13: warning: Using pointer that is a temporary. [danglingTemporaryLifetime] sr2 = debug_atomic_read(redundant_softirqs_off); ^ kernel/locking/lockdep_proc.c:203:13: note: Address of variable taken here. sr2 = debug_atomic_read(redundant_softirqs_off); ^ kernel/locking/lockdep_proc.c:203:13: note: Temporary created here. sr2 = debug_atomic_read(redundant_softirqs_off); ^ kernel/locking/lockdep_proc.c:203:13: note: Using pointer that is a temporary. sr2 = debug_atomic_read(redundant_softirqs_off); ^ kernel/locking/lockdep_proc.c:206:3: warning: Using pointer that is a temporary. [danglingTemporaryLifetime] debug_atomic_read(chain_lookup_misses)); ^ kernel/locking/lockdep_proc.c:206:3: note: Address of variable taken here. debug_atomic_read(chain_lookup_misses)); -- >> sound/soc/soc-component.c:276:13: warning: Parameter 'mark' can be declared >> with const [constParameter] void *mark, int upon_open, int rollback) ^ >> sound/soc/soc-component.c:1215:14: warning: Parameter 'stream' can be >> declared with const [constParameter] void *stream, int rollback) ^ -- >> sound/soc/codecs/wm8994.c:861:17: warning: String literal compared with >> variable 'NULL'. Did you intend to use strcmp() instead? >> [literalWithCharPtrCompare] WARN_ON(NULL == "Invalid VMID mode"); ^ vim +/pos +47 kernel/locking/lockdep_proc.c a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 46 a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 @47 static void *l_start(struct seq_file *m, loff_t *pos) a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 48 { fb7275acd6fb98 kernel/locking/lockdep_proc.c Waiman Long 2022-02-10 49 unsigned long idx = *pos; fb7275acd6fb98 kernel/locking/lockdep_proc.c Waiman Long 2022-02-10 50 fb7275acd6fb98 kernel/locking/lockdep_proc.c Waiman Long 2022-02-10 51 if (idx > max_lock_class_idx) fb7275acd6fb98 kernel/locking/lockdep_proc.c Waiman Long 2022-02-10 52 return NULL; fb7275acd6fb98 kernel/locking/lockdep_proc.c Waiman Long 2022-02-10 53 return lock_classes + idx; 94c61c0aeffe64 kernel/lockdep_proc.c Tim Pepper 2007-10-11 54 } a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 55 a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 56 static void l_stop(struct seq_file *m, void *v) a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 57 { a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 58 } a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 59 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 60 static void print_name(struct seq_file *m, struct lock_class *class) 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 61 { 99fb4a122e9620 kernel/lockdep_proc.c Cyrill Gorcunov 2012-10-20 62 char str[KSYM_NAME_LEN]; 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 63 const char *name = class->name; 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 64 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 65 if (!name) { 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 66 name = __get_key_name(class->key, str); 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 67 seq_printf(m, "%s", name); 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 68 } else{ 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 69 seq_printf(m, "%s", name); 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 70 if (class->name_version > 1) 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 71 seq_printf(m, "#%d", class->name_version); 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 72 if (class->subclass) 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 73 seq_printf(m, "/%d", class->subclass); 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 74 } 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 75 } 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 76 a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 77 static int l_show(struct seq_file *m, void *v) a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 78 { fb7275acd6fb98 kernel/locking/lockdep_proc.c Waiman Long 2022-02-10 79 struct lock_class *class = v; 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 80 struct lock_list *entry; f510b233cfc7bf kernel/lockdep_proc.c Peter Zijlstra 2009-01-22 81 char usage[LOCK_USAGE_CHARS]; fb7275acd6fb98 kernel/locking/lockdep_proc.c Waiman Long 2022-02-10 82 int idx = class - lock_classes; a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 83 fb7275acd6fb98 kernel/locking/lockdep_proc.c Waiman Long 2022-02-10 84 if (v == lock_classes) 94c61c0aeffe64 kernel/lockdep_proc.c Tim Pepper 2007-10-11 85 seq_printf(m, "all lock classes:\n"); fb7275acd6fb98 kernel/locking/lockdep_proc.c Waiman Long 2022-02-10 86 fb7275acd6fb98 kernel/locking/lockdep_proc.c Waiman Long 2022-02-10 87 if (!test_bit(idx, lock_classes_in_use)) 94c61c0aeffe64 kernel/lockdep_proc.c Tim Pepper 2007-10-11 88 return 0; 94c61c0aeffe64 kernel/lockdep_proc.c Tim Pepper 2007-10-11 89 a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 90 seq_printf(m, "%p", class->key); a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 91 #ifdef CONFIG_DEBUG_LOCKDEP 8ca2b56cd7da98 kernel/locking/lockdep_proc.c Waiman Long 2018-10-03 92 seq_printf(m, " OPS:%8ld", debug_class_ops_read(class)); a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 93 #endif 4840ce2267f9d8 kernel/locking/lockdep_proc.c Xiongwei Song 2021-06-29 94 if (IS_ENABLED(CONFIG_PROVE_LOCKING)) { df60a844186615 kernel/lockdep_proc.c Stephen Hemminger 2008-08-15 95 seq_printf(m, " FD:%5ld", lockdep_count_forward_deps(class)); df60a844186615 kernel/lockdep_proc.c Stephen Hemminger 2008-08-15 96 seq_printf(m, " BD:%5ld", lockdep_count_backward_deps(class)); a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 97 f510b233cfc7bf kernel/lockdep_proc.c Peter Zijlstra 2009-01-22 98 get_usage_chars(class, usage); f510b233cfc7bf kernel/lockdep_proc.c Peter Zijlstra 2009-01-22 99 seq_printf(m, " %s", usage); 4840ce2267f9d8 kernel/locking/lockdep_proc.c Xiongwei Song 2021-06-29 100 } a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 101 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 102 seq_printf(m, ": "); 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 103 print_name(m, class); 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 104 seq_puts(m, "\n"); 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 105 4840ce2267f9d8 kernel/locking/lockdep_proc.c Xiongwei Song 2021-06-29 106 if (IS_ENABLED(CONFIG_PROVE_LOCKING)) { 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 107 list_for_each_entry(entry, &class->locks_after, entry) { 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 108 if (entry->distance == 1) { 2429e4ee78e2fa kernel/lockdep_proc.c Huang, Ying 2008-06-13 109 seq_printf(m, " -> [%p] ", entry->class->key); 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 110 print_name(m, entry->class); 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 111 seq_puts(m, "\n"); 068135e6351831 kernel/lockdep_proc.c Jason Baron 2007-02-10 112 } a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 113 } a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 114 seq_puts(m, "\n"); 4840ce2267f9d8 kernel/locking/lockdep_proc.c Xiongwei Song 2021-06-29 115 } a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 116 a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 117 return 0; a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 118 } a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 119 15ad7cdcfd7645 kernel/lockdep_proc.c Helge Deller 2006-12-06 120 static const struct seq_operations lockdep_ops = { a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 121 .start = l_start, a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 122 .next = l_next, a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 123 .stop = l_stop, a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 124 .show = l_show, a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 125 }; a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 126 cd1a28e8457e6e kernel/lockdep_proc.c Huang, Ying 2008-06-23 127 #ifdef CONFIG_PROVE_LOCKING 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 128 static void *lc_start(struct seq_file *m, loff_t *pos) 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 129 { 2212684adff79e kernel/locking/lockdep_proc.c Bart Van Assche 2019-02-14 130 if (*pos < 0) 2212684adff79e kernel/locking/lockdep_proc.c Bart Van Assche 2019-02-14 131 return NULL; 2212684adff79e kernel/locking/lockdep_proc.c Bart Van Assche 2019-02-14 132 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 133 if (*pos == 0) 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 134 return SEQ_START_TOKEN; 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 135 e9d65725bdf595 kernel/lockdep_proc.c Li Zefan 2009-08-17 136 return lock_chains + (*pos - 1); 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 137 } 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 138 12aac19d4ba410 kernel/lockdep_proc.c Li Zefan 2009-08-17 139 static void *lc_next(struct seq_file *m, void *v, loff_t *pos) 12aac19d4ba410 kernel/lockdep_proc.c Li Zefan 2009-08-17 140 { 2212684adff79e kernel/locking/lockdep_proc.c Bart Van Assche 2019-02-14 141 *pos = lockdep_next_lockchain(*pos - 1) + 1; 12aac19d4ba410 kernel/lockdep_proc.c Li Zefan 2009-08-17 142 return lc_start(m, pos); 12aac19d4ba410 kernel/lockdep_proc.c Li Zefan 2009-08-17 143 } 12aac19d4ba410 kernel/lockdep_proc.c Li Zefan 2009-08-17 144 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 145 static void lc_stop(struct seq_file *m, void *v) 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 146 { 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 147 } 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 148 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 149 static int lc_show(struct seq_file *m, void *v) 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 150 { 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 151 struct lock_chain *chain = v; 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 152 struct lock_class *class; 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 153 int i; b9875e98822957 kernel/locking/lockdep_proc.c Waiman Long 2020-02-06 154 static const char * const irq_strs[] = { b9875e98822957 kernel/locking/lockdep_proc.c Waiman Long 2020-02-06 155 [0] = "0", b9875e98822957 kernel/locking/lockdep_proc.c Waiman Long 2020-02-06 156 [LOCK_CHAIN_HARDIRQ_CONTEXT] = "hardirq", b9875e98822957 kernel/locking/lockdep_proc.c Waiman Long 2020-02-06 157 [LOCK_CHAIN_SOFTIRQ_CONTEXT] = "softirq", b9875e98822957 kernel/locking/lockdep_proc.c Waiman Long 2020-02-06 158 [LOCK_CHAIN_SOFTIRQ_CONTEXT| b9875e98822957 kernel/locking/lockdep_proc.c Waiman Long 2020-02-06 159 LOCK_CHAIN_HARDIRQ_CONTEXT] = "hardirq|softirq", b9875e98822957 kernel/locking/lockdep_proc.c Waiman Long 2020-02-06 160 }; 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 161 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 162 if (v == SEQ_START_TOKEN) { 810507fe6fd5ff kernel/locking/lockdep_proc.c Waiman Long 2020-02-06 163 if (!nr_free_chain_hlocks) 75dd602a5198a6 kernel/locking/lockdep_proc.c Peter Zijlstra 2016-03-30 164 seq_printf(m, "(buggered) "); 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 165 seq_printf(m, "all lock chains:\n"); 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 166 return 0; 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 167 } 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 168 b9875e98822957 kernel/locking/lockdep_proc.c Waiman Long 2020-02-06 169 seq_printf(m, "irq_context: %s\n", irq_strs[chain->irq_context]); 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 170 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 171 for (i = 0; i < chain->depth; i++) { 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 172 class = lock_chain_get_class(chain, i); 8bfe0298f7a049 kernel/lockdep_proc.c Rabin Vincent 2008-08-11 173 if (!class->key) 8bfe0298f7a049 kernel/lockdep_proc.c Rabin Vincent 2008-08-11 174 continue; 8bfe0298f7a049 kernel/lockdep_proc.c Rabin Vincent 2008-08-11 175 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 176 seq_printf(m, "[%p] ", class->key); 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 177 print_name(m, class); 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 178 seq_puts(m, "\n"); 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 179 } 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 180 seq_puts(m, "\n"); 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 181 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 182 return 0; 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 183 } 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 184 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 185 static const struct seq_operations lockdep_chains_ops = { 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 186 .start = lc_start, 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 187 .next = lc_next, 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 188 .stop = lc_stop, 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 189 .show = lc_show, 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 190 }; cd1a28e8457e6e kernel/lockdep_proc.c Huang, Ying 2008-06-23 191 #endif /* CONFIG_PROVE_LOCKING */ 443cd507ce7f78 kernel/lockdep_proc.c Huang, Ying 2008-06-20 192 a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 193 static void lockdep_stats_debug_show(struct seq_file *m) a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 194 { a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 195 #ifdef CONFIG_DEBUG_LOCKDEP bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 @196 unsigned long long hi1 = debug_atomic_read(hardirqs_on_events), bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 197 hi2 = debug_atomic_read(hardirqs_off_events), bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 198 hr1 = debug_atomic_read(redundant_hardirqs_on), bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 199 hr2 = debug_atomic_read(redundant_hardirqs_off), bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 200 si1 = debug_atomic_read(softirqs_on_events), bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 201 si2 = debug_atomic_read(softirqs_off_events), bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 202 sr1 = debug_atomic_read(redundant_softirqs_on), bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 203 sr2 = debug_atomic_read(redundant_softirqs_off); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 204 bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 205 seq_printf(m, " chain lookup misses: %11llu\n", bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 206 debug_atomic_read(chain_lookup_misses)); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 207 seq_printf(m, " chain lookup hits: %11llu\n", bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 208 debug_atomic_read(chain_lookup_hits)); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 209 seq_printf(m, " cyclic checks: %11llu\n", bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 210 debug_atomic_read(nr_cyclic_checks)); ae813308f46306 kernel/locking/lockdep_proc.c Peter Zijlstra 2017-03-03 211 seq_printf(m, " redundant checks: %11llu\n", ae813308f46306 kernel/locking/lockdep_proc.c Peter Zijlstra 2017-03-03 212 debug_atomic_read(nr_redundant_checks)); ae813308f46306 kernel/locking/lockdep_proc.c Peter Zijlstra 2017-03-03 213 seq_printf(m, " redundant links: %11llu\n", ae813308f46306 kernel/locking/lockdep_proc.c Peter Zijlstra 2017-03-03 214 debug_atomic_read(nr_redundant)); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 215 seq_printf(m, " find-mask forwards checks: %11llu\n", bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 216 debug_atomic_read(nr_find_usage_forwards_checks)); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 217 seq_printf(m, " find-mask backwards checks: %11llu\n", bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 218 debug_atomic_read(nr_find_usage_backwards_checks)); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 219 bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 220 seq_printf(m, " hardirq on events: %11llu\n", hi1); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 221 seq_printf(m, " hardirq off events: %11llu\n", hi2); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 222 seq_printf(m, " redundant hardirq ons: %11llu\n", hr1); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 223 seq_printf(m, " redundant hardirq offs: %11llu\n", hr2); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 224 seq_printf(m, " softirq on events: %11llu\n", si1); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 225 seq_printf(m, " softirq off events: %11llu\n", si2); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 226 seq_printf(m, " redundant softirq ons: %11llu\n", sr1); bd6d29c25bb1a2 kernel/lockdep_proc.c Frederic Weisbecker 2010-04-06 227 seq_printf(m, " redundant softirq offs: %11llu\n", sr2); a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 228 #endif a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 229 } a8f24a3978c5f8 kernel/lockdep_proc.c Ingo Molnar 2006-07-03 230 :::::: The code at line 47 was first introduced by commit :::::: a8f24a3978c5f82419e1c90dc90460731204f46f [PATCH] lockdep: procfs :::::: TO: Ingo Molnar <mi...@elte.hu> :::::: CC: Linus Torvalds <torva...@g5.osdl.org> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
