7:35 a.m.
tree: https://github.com/ceph/ceph-client.git testing
head: 3188fc411f0c286ac4dc4ea146ddc4bf4f348b39
commit: dc1961a859fe49cad7a26001bd3e9a53f234bf59 [49/53] ceph: add global read latency
metric support
config: i386-randconfig-e002-20200317 (attached as .config)
compiler: gcc-7 (Debian 7.5.0-5) 7.5.0
reproduce:
git checkout dc1961a859fe49cad7a26001bd3e9a53f234bf59
# save the attached .config to linux build tree
make ARCH=i386
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
ld: fs/ceph/debugfs.o: in function `metric_show':
> fs/ceph/debugfs.c:140: undefined reference to `__divdi3'
vim +140 fs/ceph/debugfs.c
126
127 static int metric_show(struct seq_file *s, void *p)
128 {
129 struct ceph_fs_client *fsc = s->private;
130 struct ceph_mds_client *mdsc = fsc->mdsc;
131 int i, nr_caps = 0;
132 s64 total, sum, avg = 0;
133
134 seq_printf(s, "item total sum_lat(us)
avg_lat(us)\n");
135 seq_printf(s,
"-----------------------------------------------------\n");
136
137 total = percpu_counter_sum(&mdsc->metric.total_reads);
138 sum = percpu_counter_sum(&mdsc->metric.read_latency_sum);
139 sum = jiffies_to_usecs(sum);
140 avg = total ? sum / total : 0;
141 seq_printf(s,
"%-14s%-12lld%-16lld%lld\n", "read", total, sum, avg);
142
143 seq_printf(s, "\n");
144 seq_printf(s, "item total miss hit\n");
145 seq_printf(s, "-------------------------------------------------\n");
146
147 seq_printf(s, "%-14s%-16lld%-16lld%lld\n", "d_lease",
148 atomic64_read(&mdsc->metric.total_dentries),
149 percpu_counter_sum(&mdsc->metric.d_lease_mis),
150 percpu_counter_sum(&mdsc->metric.d_lease_hit));
151
152 mutex_lock(&mdsc->mutex);
153 for (i = 0; i < mdsc->max_sessions; i++) {
154 struct ceph_mds_session *s;
155
156 s = __ceph_lookup_mds_session(mdsc, i);
157 if (!s)
158 continue;
159 nr_caps += s->s_nr_caps;
160 ceph_put_mds_session(s);
161 }
162 mutex_unlock(&mdsc->mutex);
163 seq_printf(s, "%-14s%-16d%-16lld%lld\n", "caps", nr_caps,
164 percpu_counter_sum(&mdsc->metric.i_caps_mis),
165 percpu_counter_sum(&mdsc->metric.i_caps_hit));
166
167 return 0;
168 }
169
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org