Messages in this thread | | | Date | Fri, 12 Aug 2016 05:38:05 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH] timekeeping: Prints the amounts of time spent during suspend |
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Hi Ruchi,
[auto build test WARNING on tip/timers/core] [also build test WARNING on v4.8-rc1 next-20160811] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Ruchi-Kandoi/timekeeping-Prints-the-amounts-of-time-spent-during-suspend/20160812-034700 config: mips-allyesconfig (attached as .config) compiler: mips-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=mips
All warnings (new ones prefixed by >>):
In file included from include/linux/printk.h:6:0, from include/linux/kernel.h:13, from include/linux/list.h:8, from include/linux/wait.h:6, from include/linux/fs.h:5, from include/linux/debugfs.h:18, from kernel/time/timekeeping_debug.c:17: kernel/time/timekeeping_debug.c: In function 'tk_debug_account_sleep_time': >> include/linux/kern_levels.h:4:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'time64_t {aka long long int}' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:13:19: note: in expansion of macro 'KERN_SOH' #define KERN_INFO KERN_SOH "6" /* informational */ ^ include/linux/printk.h:271:9: note: in expansion of macro 'KERN_INFO' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ^ >> kernel/time/timekeeping_debug.c:73:2: note: in expansion of macro 'pr_info' pr_info("Suspended for %lu.%03lu seconds\n", t->tv_sec, ^
vim +/pr_info +73 kernel/time/timekeeping_debug.c
57 struct dentry *d; 58 59 d = debugfs_create_file("sleep_time", 0444, NULL, NULL, 60 &tk_debug_sleep_time_fops); 61 if (!d) { 62 pr_err("Failed to create sleep_time debug file\n"); 63 return -ENOMEM; 64 } 65 66 return 0; 67 } 68 late_initcall(tk_debug_sleep_time_init); 69 70 void tk_debug_account_sleep_time(struct timespec64 *t) 71 { 72 sleep_time_bin[fls(t->tv_sec)]++; > 73 pr_info("Suspended for %lu.%03lu seconds\n", t->tv_sec, 74 t->tv_nsec / NSEC_PER_MSEC); 75 } 76
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