tree: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git review-cgroup2-cpu-basic-stat head: 8acdcade690d62f6b9751a5c8e55f938de779a2d commit: 74239092337c458c622385cc2f6a4d12bb52d24e [21/23] 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/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 74239092337c458c622385cc2f6a4d12bb52d24e # 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:271: undefined reference to `cputime_adjust' vim +271 kernel/cgroup/stat.c 257 258 void cgroup_stat_show_cputime(struct seq_file *seq, const char *prefix) 259 { 260 struct cgroup *cgrp = seq_css(seq)->cgroup; 261 u64 usage, utime, stime; 262 263 if (!cgroup_parent(cgrp)) 264 return; 265 266 mutex_lock(&cgroup_stat_mutex); 267 268 cgroup_stat_flush_locked(cgrp); 269 270 usage = cgrp->stat.cputime.sum_exec_runtime; > 271 cputime_adjust(&cgrp->stat.cputime, &cgrp->stat.prev_cputime, 272 &utime, &stime); 273 274 mutex_unlock(&cgroup_stat_mutex); 275 276 do_div(usage, NSEC_PER_USEC); 277 do_div(utime, NSEC_PER_USEC); 278 do_div(stime, NSEC_PER_USEC); 279 280 seq_printf(seq, "%susage_usec %llu\n" 281 "%suser_usec %llu\n" 282 "%ssystem_usec %llu\n", 283 prefix, usage, prefix, utime, prefix, stime); 284 } 285 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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