* Re: [PATCH v2] lib/alloc_tag: Add accumulative call counter for memory allocation profiling
[not found] <20240913055729.7208-1-00107082@163.com>
@ 2024-09-18 21:01 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-09-18 21:01 UTC (permalink / raw)
To: David Wang, surenb, kent.overstreet, akpm
Cc: llvm, oe-kbuild-all, linux-mm, linux-kernel, David Wang
Hi David,
kernel test robot noticed the following build warnings:
[auto build test WARNING on akpm-mm/mm-nonmm-unstable]
[also build test WARNING on linus/master v6.11 next-20240918]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/David-Wang/lib-alloc_tag-Add-accumulative-call-counter-for-memory-allocation-profiling/20240913-140040
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
patch link: https://lore.kernel.org/r/20240913055729.7208-1-00107082%40163.com
patch subject: [PATCH v2] lib/alloc_tag: Add accumulative call counter for memory allocation profiling
config: arm-randconfig-002-20240919 (https://download.01.org/0day-ci/archive/20240919/202409190453.pe1HrGL0-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 8663a75fa2f31299ab8d1d90288d9df92aadee88)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240919/202409190453.pe1HrGL0-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409190453.pe1HrGL0-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/hwtracing/coresight/coresight-tpiu.c:8:
In file included from include/linux/acpi.h:13:
In file included from include/linux/resource_ext.h:11:
In file included from include/linux/slab.h:16:
In file included from include/linux/gfp.h:7:
In file included from include/linux/mmzone.h:22:
In file included from include/linux/mm_types.h:21:
In file included from include/linux/percpu_counter.h:14:
In file included from include/linux/percpu.h:5:
>> include/linux/alloc_tag.h:108:39: warning: missing field 'accu_calls' initializer [-Wmissing-field-initializers]
108 | struct alloc_tag_counters v = { 0, 0 };
| ^
In file included from drivers/hwtracing/coresight/coresight-tpiu.c:9:
In file included from include/linux/amba/bus.h:19:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:21:
In file included from include/linux/mm.h:2228:
include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
517 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
2 warnings generated.
vim +/accu_calls +108 include/linux/alloc_tag.h
22d407b164ff79 Suren Baghdasaryan 2024-03-21 105
22d407b164ff79 Suren Baghdasaryan 2024-03-21 106 static inline struct alloc_tag_counters alloc_tag_read(struct alloc_tag *tag)
22d407b164ff79 Suren Baghdasaryan 2024-03-21 107 {
22d407b164ff79 Suren Baghdasaryan 2024-03-21 @108 struct alloc_tag_counters v = { 0, 0 };
38770cdc292e9e David Wang 2024-09-13 109 #ifdef CONFIG_MEM_ALLOC_PROFILING_ACCUMULATIVE_CALL_COUNTER
38770cdc292e9e David Wang 2024-09-13 110 v.accu_calls = 0;
38770cdc292e9e David Wang 2024-09-13 111 #endif
22d407b164ff79 Suren Baghdasaryan 2024-03-21 112 struct alloc_tag_counters *counter;
22d407b164ff79 Suren Baghdasaryan 2024-03-21 113 int cpu;
22d407b164ff79 Suren Baghdasaryan 2024-03-21 114
22d407b164ff79 Suren Baghdasaryan 2024-03-21 115 for_each_possible_cpu(cpu) {
22d407b164ff79 Suren Baghdasaryan 2024-03-21 116 counter = per_cpu_ptr(tag->counters, cpu);
22d407b164ff79 Suren Baghdasaryan 2024-03-21 117 v.bytes += counter->bytes;
22d407b164ff79 Suren Baghdasaryan 2024-03-21 118 v.calls += counter->calls;
38770cdc292e9e David Wang 2024-09-13 119 #ifdef CONFIG_MEM_ALLOC_PROFILING_ACCUMULATIVE_CALL_COUNTER
38770cdc292e9e David Wang 2024-09-13 120 v.accu_calls += counter->accu_calls;
38770cdc292e9e David Wang 2024-09-13 121 #endif
22d407b164ff79 Suren Baghdasaryan 2024-03-21 122 }
22d407b164ff79 Suren Baghdasaryan 2024-03-21 123
22d407b164ff79 Suren Baghdasaryan 2024-03-21 124 return v;
22d407b164ff79 Suren Baghdasaryan 2024-03-21 125 }
22d407b164ff79 Suren Baghdasaryan 2024-03-21 126
--
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