return rc;
}
-int osc_rd_create_low_wm(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *obd = data;
-
- if (obd == NULL)
- return 0;
-
- return snprintf(page, count, "%d\n",
- obd->u.cli.cl_oscc.oscc_kick_barrier);
-}
-
-int osc_wr_create_low_wm(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- int val, rc;
-
- if (obd == NULL)
- return 0;
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- if (val < 0)
- return -ERANGE;
-
- spin_lock(&obd->obd_dev_lock);
- obd->u.cli.cl_oscc.oscc_kick_barrier = val;
- spin_unlock(&obd->obd_dev_lock);
-
- return count;
-}
-
-int osc_rd_create_count(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *obd = data;
-
- if (obd == NULL)
- return 0;
-
- return snprintf(page, count, "%d\n",
- obd->u.cli.cl_oscc.oscc_grow_count);
-}
-
-int osc_wr_create_count(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- int val, rc;
-
- if (obd == NULL)
- return 0;
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- if (val < 0)
- return -ERANGE;
-
- obd->u.cli.cl_oscc.oscc_grow_count = val;
-
- return count;
-}
-
-int osc_rd_prealloc_next_id(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *obd = data;
-
- if (obd == NULL)
- return 0;
-
- return snprintf(page, count, LPU64"\n",
- obd->u.cli.cl_oscc.oscc_next_id);
-}
-
-int osc_rd_prealloc_last_id(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *obd = data;
-
- if (obd == NULL)
- return 0;
-
- return snprintf(page, count, LPU64"\n",
- obd->u.cli.cl_oscc.oscc_last_id);
-}
-
static struct lprocfs_vars lprocfs_obd_vars[] = {
{ "uuid", lprocfs_rd_uuid, 0, 0 },
{ "blocksize", lprocfs_rd_blksize, 0, 0 },
{ "max_dirty_mb", osc_rd_max_dirty_mb, osc_wr_max_dirty_mb, 0 },
{ "cur_dirty_bytes", osc_rd_cur_dirty_bytes, 0, 0 },
{ "cur_grant_bytes", osc_rd_cur_grant_bytes, 0, 0 },
- {"create_low_watermark", osc_rd_create_low_wm, osc_wr_create_low_wm, 0},
- { "create_count", osc_rd_create_count, osc_wr_create_count, 0 },
- { "prealloc_next_id", osc_rd_prealloc_next_id, 0, 0 },
- { "prealloc_last_id", osc_rd_prealloc_last_id, 0, 0 },
{ 0 }
};
#define PRINTF_STIME(stime) (unsigned long)(stime)->st_num, \
lprocfs_stime_avg_ms(stime), lprocfs_stime_avg_us(stime)
-
static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v)
{
- struct timeval now;
+ unsigned long read_tot = 0, write_tot = 0, read_cum, write_cum;
struct obd_device *dev = seq->private;
struct client_obd *cli = &dev->u.cli;
+ unsigned long gap_av, wait_av;
unsigned long flags;
- unsigned long read_tot = 0, write_tot = 0, read_cum, write_cum;
+ struct timeval now;
int i;
do_gettimeofday(&now);
spin_lock_irqsave(&cli->cl_loi_list_lock, flags);
- seq_printf(seq, "snapshot_time: %lu:%lu (secs:usecs)\n",
+ wait_av = cli->cl_cache_wait_num ?
+ cli->cl_cache_wait_sum / cli->cl_cache_wait_num : 0;
+
+ gap_av = cli->cl_write_gaps ?
+ cli->cl_write_gap_sum / cli->cl_write_gaps : 0;
+
+ seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
now.tv_sec, now.tv_usec);
seq_printf(seq, "read RPCs in flight: %d\n",
seq_printf(seq, "pending read pages: %d\n",
cli->cl_pending_r_pages);
+ /* cache or grant waiting stats */
+ seq_printf(seq, "write waits num: %lu\n",
+ cli->cl_cache_wait_num);
+ seq_printf(seq, "av. wait time: %lu (usec)\n",
+ wait_av);
seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
- seq_printf(seq, "pages per rpc rpcs %% cum %% |");
- seq_printf(seq, " rpcs %% cum %%\n");
+ seq_printf(seq, "pages per RPC RPCs %% cum %% |");
+ seq_printf(seq, " RPCs %% cum %%\n");
read_tot = lprocfs_oh_sum(&cli->cl_read_page_hist);
write_tot = lprocfs_oh_sum(&cli->cl_write_page_hist);
break;
}
+ /* different RPC related stats like av gap time between two write RPCs,
+ * number of sync RPCs, etc. */
+ seq_printf(seq, "\nsync RPCs: %lu\n", cli->cl_sync_rpcs);
+ seq_printf(seq, "write gaps: %lu\n", cli->cl_write_gaps);
+ seq_printf(seq, "av. gap time: %lu (usec)\n", gap_av);
+
seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
- seq_printf(seq, "rpcs in flight rpcs %% cum %% |");
- seq_printf(seq, " rpcs %% cum %%\n");
+ seq_printf(seq, "RPCs in flight RPCs %% cum %% |");
+ seq_printf(seq, " RPCs %% cum %%\n");
read_tot = lprocfs_oh_sum(&cli->cl_read_rpc_hist);
write_tot = lprocfs_oh_sum(&cli->cl_write_rpc_hist);
break;
}
- seq_printf(seq, "\nrpc service time: (rpcs, average ms)\n");
+ seq_printf(seq, "\nRPC service time: (RPCs, average ms)\n");
seq_printf(seq, "\tread\t%lu\t%lu.%04lu\n",
PRINTF_STIME(&cli->cl_read_stime));
seq_printf(seq, "\twrite\t%lu\t%lu.%04lu\n\n",
return 0;
}
-#undef pct
static void *osc_rpc_stats_seq_start(struct seq_file *p, loff_t *pos)
{
static void osc_rpc_stats_seq_stop(struct seq_file *p, void *v)
{
}
+
struct seq_operations osc_rpc_stats_seq_sops = {
.start = osc_rpc_stats_seq_start,
.stop = osc_rpc_stats_seq_stop,
memset(&cli->cl_write_stime, 0, sizeof(cli->cl_write_stime));
memset(&cli->cl_enter_stime, 0, sizeof(cli->cl_enter_stime));
+ cli->cl_cache_wait_num = 0;
+ cli->cl_cache_wait_sum = 0;
+ cli->cl_write_gap_sum = 0;
+ cli->cl_write_gaps = 0;
+ cli->cl_write_num = 0;
+ cli->cl_read_num = 0;
+
return len;
}
.release = seq_release,
};
+/* cache stats */
+static int osc_cache_stats_seq_show(struct seq_file *seq, void *v)
+{
+ struct obd_device *dev = seq->private;
+ struct client_obd *cli = &dev->u.cli;
+ unsigned long flags;
+ struct timeval now;
+
+ do_gettimeofday(&now);
+
+ spin_lock_irqsave(&cli->cl_loi_list_lock, flags);
+
+ seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
+ now.tv_sec, now.tv_usec);
+
+ seq_printf(seq, "cache size: %lu (b)\n", cli->cl_dirty_max);
+ seq_printf(seq, "max loading: %lu (b)\n", cli->cl_dirty_dmax);
+ seq_printf(seq, "min loading: %lu (b)\n", cli->cl_dirty_dmin);
+ seq_printf(seq, "av. cache loading: %lu (b)\n", cli->cl_dirty_av);
+
+ seq_printf(seq, "\nav. loading ratio: %lu%%\n",
+ pct(cli->cl_dirty_av, cli->cl_dirty_max));
+ seq_printf(seq, "max loading ratio: %lu%%\n",
+ pct(cli->cl_dirty_dmax, cli->cl_dirty_max));
+
+ spin_unlock_irqrestore(&cli->cl_loi_list_lock, flags);
+
+ return 0;
+}
+#undef pct
+
+static void *osc_cache_stats_seq_start(struct seq_file *p, loff_t *pos)
+{
+ if (*pos == 0)
+ return (void *)1;
+ return NULL;
+}
+static void *osc_cache_stats_seq_next(struct seq_file *p, void *v, loff_t *pos)
+{
+ ++*pos;
+ return NULL;
+}
+static void osc_cache_stats_seq_stop(struct seq_file *p, void *v)
+{
+}
+
+struct seq_operations osc_cache_stats_seq_sops = {
+ .start = osc_cache_stats_seq_start,
+ .stop = osc_cache_stats_seq_stop,
+ .next = osc_cache_stats_seq_next,
+ .show = osc_cache_stats_seq_show,
+};
+
+static int osc_cache_stats_seq_open(struct inode *inode, struct file *file)
+{
+ struct proc_dir_entry *dp = PDE(inode);
+ struct seq_file *seq;
+ int rc;
+
+ rc = seq_open(file, &osc_cache_stats_seq_sops);
+ if (rc)
+ return rc;
+ seq = file->private_data;
+ seq->private = dp->data;
+ return 0;
+}
+
+static ssize_t osc_cache_stats_seq_write(struct file *file, const char *buf,
+ size_t len, loff_t *off)
+{
+ struct seq_file *seq = file->private_data;
+ struct obd_device *dev = seq->private;
+ struct client_obd *cli = &dev->u.cli;
+
+ cli->cl_dirty_num = 0;
+ cli->cl_dirty_sum = 0;
+ cli->cl_dirty_av = 0;
+ cli->cl_dirty_dmax = 0;
+ cli->cl_dirty_dmin = 0;
+
+ return len;
+}
+
+struct file_operations osc_cache_stats_fops = {
+ .owner = THIS_MODULE,
+ .open = osc_cache_stats_seq_open,
+ .read = seq_read,
+ .write = osc_cache_stats_seq_write,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
int lproc_osc_attach_seqstat(struct obd_device *dev)
{
- return lprocfs_obd_seq_create(dev, "rpc_stats", 0444,
- &osc_rpc_stats_fops, dev);
+ int rc;
+
+ rc = lprocfs_obd_seq_create(dev, "rpc_stats", 0444,
+ &osc_rpc_stats_fops, dev);
+ if (rc) {
+ CERROR("can't init \"rpc_stats\", err %d\n", rc);
+ return rc;
+ }
+
+ rc = lprocfs_obd_seq_create(dev, "cache_stats", 0444,
+ &osc_cache_stats_fops, dev);
+ if (rc)
+ CERROR("can't init \"cache_stats\", err %d\n", rc);
+
+ return rc;
}
#endif /* LPROCFS */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff