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Message-ID: <202508210642.kUloVYxD-lkp@intel.com>
Date: Thu, 21 Aug 2025 06:52:26 +0800
From: kernel test robot <lkp@...el.com>
To: Xiang Gao <gxxa03070307@...il.com>, akpm@...ux-foundation.org,
david@...hat.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
lorenzo.stoakes@...cle.com, Liam.Howlett@...cle.com, vbabka@...e.cz,
rppt@...nel.org, surenb@...gle.com, mhocko@...e.com,
linux-mm@...ck.org, linux-kernel@...r.kernel.org,
gaoxiang17 <gaoxiang17@...omi.com>
Subject: Re: [PATCH v2 1/1] mm/cma: add 'available count' and 'total count'
to trace_cma_alloc_start
Hi Xiang,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/Xiang-Gao/mm-cma-add-available-count-and-total-count-to-trace_cma_alloc_start/20250820-105438
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/d30f91137e3a296152463ea65474e1ca56f4eda3.1755654367.git.gaoxiang17%40xiaomi.com
patch subject: [PATCH v2 1/1] mm/cma: add 'available count' and 'total count' to trace_cma_alloc_start
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20250821/202508210642.kUloVYxD-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250821/202508210642.kUloVYxD-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202508210642.kUloVYxD-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from mm/cma.c:31:
In file included from include/trace/events/cma.h:138:
In file included from include/trace/define_trace.h:132:
In file included from include/trace/trace_events.h:468:
>> include/trace/events/cma.h:56:12: error: no member named 'count' in 'struct trace_event_raw_cma_alloc_start'
56 | __entry->count = request_count;
| ~~~~~~~ ^
include/trace/stages/stage6_event_callback.h:133:33: note: expanded from macro 'TP_fast_assign'
133 | #define TP_fast_assign(args...) args
| ^~~~
include/trace/trace_events.h:44:16: note: expanded from macro 'TRACE_EVENT'
44 | PARAMS(assign), \
| ^~~~~~
include/linux/tracepoint.h:139:25: note: expanded from macro 'PARAMS'
139 | #define PARAMS(args...) args
| ^~~~
include/trace/trace_events.h:435:16: note: expanded from macro 'DECLARE_EVENT_CLASS'
435 | PARAMS(assign), PARAMS(print)) \
| ^~~~~~
include/linux/tracepoint.h:139:25: note: expanded from macro 'PARAMS'
139 | #define PARAMS(args...) args
| ^~~~
include/trace/trace_events.h:427:4: note: expanded from macro '\
__DECLARE_EVENT_CLASS'
427 | { assign; } \
| ^~~~~~
In file included from mm/cma.c:31:
In file included from include/trace/events/cma.h:138:
In file included from include/trace/define_trace.h:133:
In file included from include/trace/perf.h:110:
>> include/trace/events/cma.h:56:12: error: no member named 'count' in 'struct trace_event_raw_cma_alloc_start'
56 | __entry->count = request_count;
| ~~~~~~~ ^
include/trace/stages/stage6_event_callback.h:133:33: note: expanded from macro 'TP_fast_assign'
133 | #define TP_fast_assign(args...) args
| ^~~~
include/trace/trace_events.h:44:16: note: expanded from macro 'TRACE_EVENT'
44 | PARAMS(assign), \
| ^~~~~~
include/linux/tracepoint.h:139:25: note: expanded from macro 'PARAMS'
139 | #define PARAMS(args...) args
| ^~~~
include/trace/perf.h:67:16: note: expanded from macro 'DECLARE_EVENT_CLASS'
67 | PARAMS(assign), PARAMS(print)) \
| ^~~~~~
include/linux/tracepoint.h:139:25: note: expanded from macro 'PARAMS'
139 | #define PARAMS(args...) args
| ^~~~
include/trace/perf.h:51:4: note: expanded from macro '\
__DECLARE_EVENT_CLASS'
51 | { assign; } \
| ^~~~~~
2 errors generated.
vim +56 include/trace/events/cma.h
40
41 TP_PROTO(const char *name, unsigned long request_count, unsigned long available_count,
42 unsigned long total_count, unsigned int align),
43
44 TP_ARGS(name, request_count, available_count, total_count, align),
45
46 TP_STRUCT__entry(
47 __string(name, name)
48 __field(unsigned long, request_count)
49 __field(unsigned long, available_count)
50 __field(unsigned long, total_count)
51 __field(unsigned int, align)
52 ),
53
54 TP_fast_assign(
55 __assign_str(name);
> 56 __entry->count = request_count;
57 __entry->available_count = available_count;
58 __entry->total_count = total_count;
59 __entry->align = align;
60 ),
61
62 TP_printk("name=%s count=%lu request_count=%lu total_count=%lu align=%u",
63 __get_str(name),
64 __entry->request_count,
65 __entry->available_count,
66 __entry->total_count,
67 __entry->align)
68 );
69
--
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https://github.com/intel/lkp-tests/wiki
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