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* Re: [PATCH] tracing: Fix event probe removal from dynamic events
       [not found] <20211011211105.48b6a5fd@oasis.local.home>
@ 2021-10-12  6:49 ` kernel test robot
  2021-10-12 12:10   ` Steven Rostedt
  2021-10-12  8:29 ` kernel test robot
  1 sibling, 1 reply; 3+ messages in thread
From: kernel test robot @ 2021-10-12  6:49 UTC (permalink / raw)
  To: Steven Rostedt, LKML
  Cc: llvm, kbuild-all, Ingo Molnar, Andrew Morton,
	Linux Memory Management List, Masami Hiramatsu, Tom Zanussi,
	Tzvetomir Stoyanov, Yordan Karadzhov

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Hi Steven,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linux/master]
[also build test ERROR on hnaz-mm/master linus/master v5.15-rc5 next-20211011]
[cannot apply to tip/perf/core]
[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]

url:    https://github.com/0day-ci/linux/commits/Steven-Rostedt/tracing-Fix-event-probe-removal-from-dynamic-events/20211012-091238
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5816b3e6577eaa676ceb00a848f0fd65fe2adc29
config: arm64-randconfig-r005-20211011 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c3dcf39554dbea780d6cb7e12239451ba47a2668)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/0day-ci/linux/commit/4d930af6a4aa75558017f921e2c9692ed27b2c56
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Steven-Rostedt/tracing-Fix-event-probe-removal-from-dynamic-events/20211012-091238
        git checkout 4d930af6a4aa75558017f921e2c9692ed27b2c56
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash kernel/trace/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> kernel/trace/trace_eprobe.c:128:2: error: use of undeclared identifier 'slash'
           slash = strchr(argv[0], '/');
           ^
   kernel/trace/trace_eprobe.c:129:7: error: use of undeclared identifier 'slash'
           if (!slash)
                ^
   kernel/trace/trace_eprobe.c:130:3: error: use of undeclared identifier 'slash'
                   slash = strchr(argv[0], '.');
                   ^
   kernel/trace/trace_eprobe.c:131:7: error: use of undeclared identifier 'slash'
           if (!slash)
                ^
   kernel/trace/trace_eprobe.c:134:41: error: use of undeclared identifier 'slash'
           if (strncmp(ep->event_system, argv[0], slash - argv[0]))
                                                  ^
   kernel/trace/trace_eprobe.c:136:29: error: use of undeclared identifier 'slash'
           if (strcmp(ep->event_name, slash + 1))
                                      ^
   6 errors generated.


vim +/slash +128 kernel/trace/trace_eprobe.c

   117	
   118	static bool eprobe_dyn_event_match(const char *system, const char *event,
   119				int argc, const char **argv, struct dyn_event *ev)
   120	{
   121		struct trace_eprobe *ep = to_trace_eprobe(ev);
   122	
   123		/* First argument is the system/event the probe is attached to */
   124	
   125		if (argc < 1)
   126			return false;
   127	
 > 128		slash = strchr(argv[0], '/');
   129		if (!slash)
   130			slash = strchr(argv[0], '.');
   131		if (!slash)
   132			return false;
   133	
   134		if (strncmp(ep->event_system, argv[0], slash - argv[0]))
   135			return false;
   136		if (strcmp(ep->event_name, slash + 1))
   137			return false;
   138	
   139		argc--;
   140		argv++;
   141	
   142		return strcmp(trace_probe_name(&ep->tp), event) == 0 &&
   143		    (!system || strcmp(trace_probe_group_name(&ep->tp), system) == 0) &&
   144		    trace_probe_match_command_args(&ep->tp, argc, argv);
   145	}
   146	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] tracing: Fix event probe removal from dynamic events
       [not found] <20211011211105.48b6a5fd@oasis.local.home>
  2021-10-12  6:49 ` [PATCH] tracing: Fix event probe removal from dynamic events kernel test robot
@ 2021-10-12  8:29 ` kernel test robot
  1 sibling, 0 replies; 3+ messages in thread
From: kernel test robot @ 2021-10-12  8:29 UTC (permalink / raw)
  To: Steven Rostedt, LKML
  Cc: kbuild-all, Ingo Molnar, Andrew Morton,
	Linux Memory Management List, Masami Hiramatsu, Tom Zanussi,
	Tzvetomir Stoyanov, Yordan Karadzhov

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Hi Steven,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linux/master]
[also build test ERROR on hnaz-mm/master linus/master v5.15-rc5 next-20211011]
[cannot apply to tip/perf/core]
[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]

url:    https://github.com/0day-ci/linux/commits/Steven-Rostedt/tracing-Fix-event-probe-removal-from-dynamic-events/20211012-091238
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5816b3e6577eaa676ceb00a848f0fd65fe2adc29
config: parisc-randconfig-r006-20211011 (attached as .config)
compiler: hppa-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/4d930af6a4aa75558017f921e2c9692ed27b2c56
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Steven-Rostedt/tracing-Fix-event-probe-removal-from-dynamic-events/20211012-091238
        git checkout 4d930af6a4aa75558017f921e2c9692ed27b2c56
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=parisc SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   kernel/trace/trace_eprobe.c: In function 'eprobe_dyn_event_match':
>> kernel/trace/trace_eprobe.c:128:9: error: 'slash' undeclared (first use in this function)
     128 |         slash = strchr(argv[0], '/');
         |         ^~~~~
   kernel/trace/trace_eprobe.c:128:9: note: each undeclared identifier is reported only once for each function it appears in


vim +/slash +128 kernel/trace/trace_eprobe.c

   117	
   118	static bool eprobe_dyn_event_match(const char *system, const char *event,
   119				int argc, const char **argv, struct dyn_event *ev)
   120	{
   121		struct trace_eprobe *ep = to_trace_eprobe(ev);
   122	
   123		/* First argument is the system/event the probe is attached to */
   124	
   125		if (argc < 1)
   126			return false;
   127	
 > 128		slash = strchr(argv[0], '/');
   129		if (!slash)
   130			slash = strchr(argv[0], '.');
   131		if (!slash)
   132			return false;
   133	
   134		if (strncmp(ep->event_system, argv[0], slash - argv[0]))
   135			return false;
   136		if (strcmp(ep->event_name, slash + 1))
   137			return false;
   138	
   139		argc--;
   140		argv++;
   141	
   142		return strcmp(trace_probe_name(&ep->tp), event) == 0 &&
   143		    (!system || strcmp(trace_probe_group_name(&ep->tp), system) == 0) &&
   144		    trace_probe_match_command_args(&ep->tp, argc, argv);
   145	}
   146	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] tracing: Fix event probe removal from dynamic events
  2021-10-12  6:49 ` [PATCH] tracing: Fix event probe removal from dynamic events kernel test robot
@ 2021-10-12 12:10   ` Steven Rostedt
  0 siblings, 0 replies; 3+ messages in thread
From: Steven Rostedt @ 2021-10-12 12:10 UTC (permalink / raw)
  To: kernel test robot
  Cc: LKML, llvm, kbuild-all, Ingo Molnar, Andrew Morton,
	Linux Memory Management List, Masami Hiramatsu, Tom Zanussi,
	Tzvetomir Stoyanov, Yordan Karadzhov

On Tue, 12 Oct 2021 14:49:49 +0800
kernel test robot <lkp@intel.com> wrote:

> All errors (new ones prefixed by >>):
> 
> >> kernel/trace/trace_eprobe.c:128:2: error: use of undeclared identifier 'slash'  
>            slash = strchr(argv[0], '/');
>            ^

Bah, I fixed this after creating the initial commit, but never amended the
commit with the update, and sent out the broken commit.

Will send out v2 shortly.

-- Steve


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-10-12 12:10 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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     [not found] <20211011211105.48b6a5fd@oasis.local.home>
2021-10-12  6:49 ` [PATCH] tracing: Fix event probe removal from dynamic events kernel test robot
2021-10-12 12:10   ` Steven Rostedt
2021-10-12  8:29 ` kernel test robot

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