tree: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git review-cgroup2-cpu-on-basic-acct head: 8e3456f0a97a8042b0c2485b938d2a62001f0f7c commit: 041cd640b2f3c5607171c59d8712b503659d21f7 [3/5] cgroup: Implement cgroup2 basic CPU usage accounting config: s390-default_defconfig (attached as .config) compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 041cd640b2f3c5607171c59d8712b503659d21f7 # save the attached .config to linux build tree make.cross ARCH=s390 All errors (new ones prefixed by >>): kernel/cgroup/stat.o: In function `cgroup_stat_show_cputime': >> kernel/cgroup/stat.c:272: undefined reference to `cputime_adjust' vim +272 kernel/cgroup/stat.c 258 259 void cgroup_stat_show_cputime(struct seq_file *seq, const char *prefix) 260 { 261 struct cgroup *cgrp = seq_css(seq)->cgroup; 262 u64 usage, utime, stime; 263 264 if (!cgroup_parent(cgrp)) 265 return; 266 267 mutex_lock(&cgroup_stat_mutex); 268 269 cgroup_stat_flush_locked(cgrp); 270 271 usage = cgrp->stat.cputime.sum_exec_runtime; > 272 cputime_adjust(&cgrp->stat.cputime, &cgrp->stat.prev_cputime, 273 &utime, &stime); 274 275 mutex_unlock(&cgroup_stat_mutex); 276 277 do_div(usage, NSEC_PER_USEC); 278 do_div(utime, NSEC_PER_USEC); 279 do_div(stime, NSEC_PER_USEC); 280 281 seq_printf(seq, "%susage_usec %llu\n" 282 "%suser_usec %llu\n" 283 "%ssystem_usec %llu\n", 284 prefix, usage, prefix, utime, prefix, stime); 285 } 286 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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