*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*
* lustre/obdclass/lprocfs_status_server.c
*/
}
EXPORT_SYMBOL(lprocfs_free_obd_stats);
+static void display_brw_stats(struct seq_file *seq, const char *name,
+ const char *units, struct obd_histogram *read,
+ struct obd_histogram *write, bool scale)
+{
+ unsigned long read_tot, write_tot, r, w, read_cum = 0, write_cum = 0;
+ unsigned int i;
+
+ seq_printf(seq, "\n%26s read | write\n", " ");
+ seq_printf(seq, "%-22s %-5s %% cum %% | %-11s %% cum %%\n",
+ name, units, units);
+
+ read_tot = lprocfs_oh_sum(read);
+ write_tot = lprocfs_oh_sum(write);
+
+ if (!read_tot && !write_tot)
+ return;
+
+ for (i = 0; i < OBD_HIST_MAX; i++) {
+ r = read->oh_buckets[i];
+ w = write->oh_buckets[i];
+ read_cum += r;
+ write_cum += w;
+ if (read_cum == 0 && write_cum == 0)
+ continue;
+
+ if (!scale)
+ seq_printf(seq, "%u", i);
+ else if (i < 10)
+ seq_printf(seq, "%lu", BIT(i));
+ else if (i < 20)
+ seq_printf(seq, "%luK", BIT(i - 10));
+ else
+ seq_printf(seq, "%luM", BIT(i - 20));
+
+ seq_printf(seq, ":\t\t%10lu %3u %3u | %4lu %3u %3u\n",
+ r, pct(r, read_tot), pct(read_cum, read_tot),
+ w, pct(w, write_tot), pct(write_cum, write_tot));
+
+ if (read_cum == read_tot && write_cum == write_tot)
+ break;
+ }
+}
+
+static const struct brw_stats_props brw_props[] = {
+ { .bsp_name = "pages per bulk r/w",
+ .bsp_units = "rpcs",
+ .bsp_scale = true },
+ { .bsp_name = "discontiguous pages",
+ .bsp_units = "rpcs",
+ .bsp_scale = false },
+ { .bsp_name = "discontiguous blocks",
+ .bsp_units = "rpcs",
+ .bsp_scale = false },
+ { .bsp_name = "disk fragmented I/Os",
+ .bsp_units = "ios",
+ .bsp_scale = false },
+ { .bsp_name = "disk I/Os in flight",
+ .bsp_units = "ios",
+ .bsp_scale = false },
+ { .bsp_name = "I/O time (1/1000s)",
+ .bsp_units = "ios",
+ .bsp_scale = true },
+ { .bsp_name = "disk I/O size",
+ .bsp_units = "ios",
+ .bsp_scale = true },
+};
+
+static int brw_stats_seq_show(struct seq_file *seq, void *v)
+{
+ struct brw_stats *brw_stats = seq->private;
+ int i;
+
+ /* this sampling races with updates */
+ lprocfs_stats_header(seq, ktime_get(), brw_stats->bs_init, 25, ":", 1);
+
+ for (i = 0; i < ARRAY_SIZE(brw_stats->bs_props); i++) {
+ if (!brw_stats->bs_props[i].bsp_name)
+ continue;
+
+ display_brw_stats(seq, brw_stats->bs_props[i].bsp_name,
+ brw_stats->bs_props[i].bsp_units,
+ &brw_stats->bs_hist[i * 2],
+ &brw_stats->bs_hist[i * 2 + 1],
+ brw_stats->bs_props[i].bsp_scale);
+ }
+
+ return 0;
+}
+
+static ssize_t brw_stats_seq_write(struct file *file,
+ const char __user *buf,
+ size_t len, loff_t *off)
+{
+ struct seq_file *seq = file->private_data;
+ struct brw_stats *brw_stats = seq->private;
+ int i;
+
+ for (i = 0; i < BRW_RW_STATS_NUM; i++)
+ lprocfs_oh_clear(&brw_stats->bs_hist[i]);
+
+ return len;
+}
+
+LDEBUGFS_SEQ_FOPS(brw_stats);
+
+void ldebugfs_register_osd_stats(struct dentry *parent,
+ struct brw_stats *brw_stats,
+ struct lprocfs_stats *stats)
+{
+ int i;
+
+ LASSERT(brw_stats);
+ brw_stats->bs_init = ktime_get();
+ for (i = 0; i < BRW_RW_STATS_NUM; i++) {
+ struct brw_stats_props *props = brw_stats->bs_props;
+
+ spin_lock_init(&brw_stats->bs_hist[i].oh_lock);
+ if (i % 2) {
+ props[i / 2].bsp_name = brw_props[i / 2].bsp_name;
+ props[i / 2].bsp_units = brw_props[i / 2].bsp_units;
+ props[i / 2].bsp_scale = brw_props[i / 2].bsp_scale;
+ }
+ }
+
+ if (!parent)
+ return;
+
+ debugfs_create_file("brw_stats", 0644, parent, brw_stats,
+ &brw_stats_fops);
+
+ if (stats)
+ debugfs_create_file("stats", 0644, parent, stats,
+ &ldebugfs_stats_seq_fops);
+}
+EXPORT_SYMBOL(ldebugfs_register_osd_stats);
+
int lprocfs_hash_seq_show(struct seq_file *m, void *data)
{
struct obd_device *obd = m->private;
goto out;
}
- /* sampled unlocked, but really... */
- if (obd->obd_recovering == 0) {
+ /* There is gap between client data read from storage and setting
+ * obd_recovering so check obd_recovery_end as well to make sure
+ * recovery is really finished
+ */
+ if (obd->obd_recovery_end > 0 && !obd->obd_recovering) {
seq_printf(m, "COMPLETE\n");
seq_printf(m, "recovery_start: %lld\n",
(s64)ktime_get_real_seconds() -
git://git.whamcloud.com / fs / lustre-release.git / blobdiff