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Message-ID: <202503132244.Azu340js-lkp@intel.com>
Date: Thu, 13 Mar 2025 23:15:31 +0800
From: kernel test robot <lkp@...el.com>
To: Nam Cao <namcao@...utronix.de>, Steven Rostedt <rostedt@...dmis.org>,
Gabriele Monaco <gmonaco@...hat.com>, john.ogness@...utronix.de,
linux-trace-kernel@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Nam Cao <namcao@...utronix.de>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
Boqun Feng <boqun.feng@...il.com>, Waiman Long <longman@...hat.com>
Subject: Re: [PATCH 04/10] rv: Add rtapp_block monitor
Hi Nam,
kernel test robot noticed the following build warnings:
[auto build test WARNING on trace/for-next]
[also build test WARNING on tip/x86/core tip/x86/mm linus/master v6.14-rc6 next-20250313]
[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/Nam-Cao/rv-Add-undef-TRACE_INCLUDE_FILE/20250312-011043
base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next
patch link: https://lore.kernel.org/r/c8a1658c6da343b6055cbfcd6ee5ddea48335d31.1741708239.git.namcao%40linutronix.de
patch subject: [PATCH 04/10] rv: Add rtapp_block monitor
config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20250313/202503132244.Azu340js-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250313/202503132244.Azu340js-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/202503132244.Azu340js-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:91:53: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions]
91 | static void handle_rt_mutex_wake_waiter_begin(void *, struct task_struct *task)
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:96:51: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions]
96 | static void handle_rt_mutex_wake_waiter_end(void *, struct task_struct *task)
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:101:45: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions]
101 | static void handle_sched_kthread_stop(void *, struct task_struct *task)
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:109:49: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions]
109 | static void handle_sched_kthread_stop_ret(void *, int)
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:109:54: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions]
109 | static void handle_sched_kthread_stop_ret(void *, int)
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:117:39: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions]
117 | static void handle_sched_wakeup(void *, struct task_struct *task)
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:164:2: error: call to undeclared function 'check_trace_callback_type_sys_enter'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
164 | rv_attach_trace_probe("rtapp_block", sys_enter, handle_sys_enter);
| ^
include/rv/instrumentation.h:18:3: note: expanded from macro 'rv_attach_trace_probe'
18 | check_trace_callback_type_##tp(rv_handler); \
| ^
<scratch space>:8:1: note: expanded from here
8 | check_trace_callback_type_sys_enter
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:164:2: error: call to undeclared function 'register_trace_sys_enter'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
include/rv/instrumentation.h:19:13: note: expanded from macro 'rv_attach_trace_probe'
19 | WARN_ONCE(register_trace_##tp(rv_handler, NULL), \
| ^
<scratch space>:9:1: note: expanded from here
9 | register_trace_sys_enter
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:165:2: error: call to undeclared function 'check_trace_callback_type_sys_exit'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
165 | rv_attach_trace_probe("rtapp_block", sys_exit, handle_sys_exit);
| ^
include/rv/instrumentation.h:18:3: note: expanded from macro 'rv_attach_trace_probe'
18 | check_trace_callback_type_##tp(rv_handler); \
| ^
<scratch space>:14:1: note: expanded from here
14 | check_trace_callback_type_sys_exit
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:165:2: error: call to undeclared function 'register_trace_sys_exit'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
include/rv/instrumentation.h:19:13: note: expanded from macro 'rv_attach_trace_probe'
19 | WARN_ONCE(register_trace_##tp(rv_handler, NULL), \
| ^
<scratch space>:15:1: note: expanded from here
15 | register_trace_sys_exit
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:165:2: note: did you mean 'register_ftrace_direct'?
include/rv/instrumentation.h:19:13: note: expanded from macro 'rv_attach_trace_probe'
19 | WARN_ONCE(register_trace_##tp(rv_handler, NULL), \
| ^
<scratch space>:15:1: note: expanded from here
15 | register_trace_sys_exit
| ^
include/linux/ftrace.h:535:19: note: 'register_ftrace_direct' declared here
535 | static inline int register_ftrace_direct(struct ftrace_ops *ops, unsigned long addr)
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:180:2: error: call to undeclared function 'unregister_trace_sys_enter'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
180 | rv_detach_trace_probe("rtapp_block", sys_enter, handle_sys_enter);
| ^
include/rv/instrumentation.h:28:3: note: expanded from macro 'rv_detach_trace_probe'
28 | unregister_trace_##tp(rv_handler, NULL); \
| ^
<scratch space>:29:1: note: expanded from here
29 | unregister_trace_sys_enter
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:181:2: error: call to undeclared function 'unregister_trace_sys_exit'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
181 | rv_detach_trace_probe("rtapp_block", sys_exit, handle_sys_exit);
| ^
include/rv/instrumentation.h:28:3: note: expanded from macro 'rv_detach_trace_probe'
28 | unregister_trace_##tp(rv_handler, NULL); \
| ^
<scratch space>:30:1: note: expanded from here
30 | unregister_trace_sys_exit
| ^
kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:181:2: note: did you mean 'unregister_ftrace_direct'?
include/rv/instrumentation.h:28:3: note: expanded from macro 'rv_detach_trace_probe'
28 | unregister_trace_##tp(rv_handler, NULL); \
| ^
<scratch space>:30:1: note: expanded from here
30 | unregister_trace_sys_exit
| ^
include/linux/ftrace.h:539:19: note: 'unregister_ftrace_direct' declared here
539 | static inline int unregister_ftrace_direct(struct ftrace_ops *ops, unsigned long addr,
| ^
6 warnings and 6 errors generated.
vim +91 kernel/trace/rv/monitors/rtapp_block/rtapp_block.c
90
> 91 static void handle_rt_mutex_wake_waiter_begin(void *, struct task_struct *task)
92 {
93 rv_rtapp_block_atom_update(task, RT_MUTEX_WAKING_WAITER, true);
94 }
95
--
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https://github.com/intel/lkp-tests/wiki
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