* 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
0 siblings, 1 reply; 2+ 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
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