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[fs/lustre-release.git] / lustre / ofd / lproc_ofd.c
index 0bd7095..b7bb64f 100644 (file)
@@ -27,7 +27,7 @@
  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2012, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
 
 #ifdef LPROCFS
 
-static int lprocfs_ofd_rd_groups(char *page, char **start, off_t off,
-                                int count, int *eof, void *data)
+static int lprocfs_ofd_rd_seqs(char *page, char **start, off_t off,
+                               int count, int *eof, void *data)
 {
        struct obd_device *obd = (struct obd_device *)data;
        struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
 
        *eof = 1;
-       return snprintf(page, count, "%u\n", ofd->ofd_max_group);
+       return snprintf(page, count, "%u\n", ofd->ofd_seq_count);
 }
 
 static int lprocfs_ofd_rd_tot_dirty(char *page, char **start, off_t off,
                                    int count, int *eof, void *data)
 {
        struct obd_device *obd = (struct obd_device *)data;
-       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       struct ofd_device *ofd;
 
        LASSERT(obd != NULL);
+       ofd = ofd_dev(obd->obd_lu_dev);
        *eof = 1;
        return snprintf(page, count, LPU64"\n", ofd->ofd_tot_dirty);
 }
@@ -71,9 +72,10 @@ static int lprocfs_ofd_rd_tot_granted(char *page, char **start, off_t off,
                                      int count, int *eof, void *data)
 {
        struct obd_device *obd = (struct obd_device *)data;
-       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       struct ofd_device *ofd;
 
        LASSERT(obd != NULL);
+       ofd = ofd_dev(obd->obd_lu_dev);
        *eof = 1;
        return snprintf(page, count, LPU64"\n", ofd->ofd_tot_granted);
 }
@@ -82,9 +84,10 @@ static int lprocfs_ofd_rd_tot_pending(char *page, char **start, off_t off,
                                      int count, int *eof, void *data)
 {
        struct obd_device *obd = (struct obd_device *)data;
-       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       struct ofd_device *ofd;
 
        LASSERT(obd != NULL);
+       ofd = ofd_dev(obd->obd_lu_dev);
        *eof = 1;
        return snprintf(page, count, LPU64"\n", ofd->ofd_tot_pending);
 }
@@ -104,9 +107,10 @@ static int lprocfs_ofd_rd_grant_ratio(char *page, char **start, off_t off,
                                      int count, int *eof, void *data)
 {
        struct obd_device *obd = (struct obd_device *)data;
-       struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+       struct ofd_device *ofd;
 
        LASSERT(obd != NULL);
+       ofd = ofd_dev(obd->obd_lu_dev);
        *eof = 1;
        return snprintf(page, count, "%d%%\n",
                        (int) ofd_grant_reserved(ofd, 100));
@@ -134,9 +138,9 @@ static int lprocfs_ofd_wr_grant_ratio(struct file *file, const char *buffer,
                      "a huge part of the free space is now reserved for "
                      "grants\n", obd->obd_name);
 
-       cfs_spin_lock(&ofd->ofd_grant_lock);
+       spin_lock(&ofd->ofd_grant_lock);
        ofd->ofd_grant_ratio = ofd_grant_ratio_conv(val);
-       cfs_spin_unlock(&ofd->ofd_grant_lock);
+       spin_unlock(&ofd->ofd_grant_lock);
        return count;
 }
 
@@ -166,9 +170,9 @@ static int lprocfs_ofd_wr_precreate_batch(struct file *file, const char *buffer,
        if (val < 1)
                return -EINVAL;
 
-       cfs_spin_lock(&ofd->ofd_objid_lock);
+       spin_lock(&ofd->ofd_batch_lock);
        ofd->ofd_precreate_batch = val;
-       cfs_spin_unlock(&ofd->ofd_objid_lock);
+       spin_unlock(&ofd->ofd_batch_lock);
        return count;
 }
 
@@ -176,14 +180,25 @@ static int lprocfs_ofd_rd_last_id(char *page, char **start, off_t off,
                                  int count, int *eof, void *data)
 {
        struct obd_device       *obd = data;
-       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
-       int                      retval = 0, rc, i;
+       struct ofd_device       *ofd;
+       struct ofd_seq          *oseq = NULL;
+       int                     retval = 0, rc;
 
        if (obd == NULL)
                return 0;
 
-       for (i = FID_SEQ_OST_MDT0; i <= ofd->ofd_max_group; i++) {
-               rc = snprintf(page, count, LPU64"\n", ofd_last_id(ofd, i));
+       ofd = ofd_dev(obd->obd_lu_dev);
+
+       read_lock(&ofd->ofd_seq_list_lock);
+       cfs_list_for_each_entry(oseq, &ofd->ofd_seq_list, os_list) {
+               __u64 seq;
+
+               seq = ostid_seq(&oseq->os_oi) == 0 ?
+                     fid_idif_seq(ostid_id(&oseq->os_oi),
+                                  ofd->ofd_lut.lut_lsd.lsd_osd_index) :
+                     ostid_seq(&oseq->os_oi);
+               rc = snprintf(page, count, DOSTID"\n", seq,
+                             ostid_id(&oseq->os_oi));
                if (rc < 0) {
                        retval = rc;
                        break;
@@ -192,6 +207,7 @@ static int lprocfs_ofd_rd_last_id(char *page, char **start, off_t off,
                count -= rc;
                retval += rc;
        }
+       read_unlock(&ofd->ofd_seq_list_lock);
        return retval;
 }
 
@@ -317,9 +333,9 @@ int lprocfs_ofd_wr_degraded(struct file *file, const char *buffer,
        if (rc)
                return rc;
 
-       cfs_spin_lock(&ofd->ofd_flags_lock);
+       spin_lock(&ofd->ofd_flags_lock);
        ofd->ofd_raid_degraded = !!val;
-       cfs_spin_unlock(&ofd->ofd_flags_lock);
+       spin_unlock(&ofd->ofd_flags_lock);
 
        return count;
 }
@@ -363,10 +379,10 @@ int lprocfs_ofd_wr_syncjournal(struct file *file, const char *buffer,
        if (val < 0)
                return -EINVAL;
 
-       cfs_spin_lock(&ofd->ofd_flags_lock);
+       spin_lock(&ofd->ofd_flags_lock);
        ofd->ofd_syncjournal = !!val;
        ofd_slc_set(ofd);
-       cfs_spin_unlock(&ofd->ofd_flags_lock);
+       spin_unlock(&ofd->ofd_flags_lock);
 
        return count;
 }
@@ -413,9 +429,9 @@ int lprocfs_ofd_wr_sync_lock_cancel(struct file *file, const char *buffer,
        if (val < 0 || val > 2)
                return -EINVAL;
 
-       cfs_spin_lock(&ofd->ofd_flags_lock);
+       spin_lock(&ofd->ofd_flags_lock);
        ofd->ofd_sync_lock_cancel = val;
-       cfs_spin_unlock(&ofd->ofd_flags_lock);
+       spin_unlock(&ofd->ofd_flags_lock);
        return count;
 }
 
@@ -445,9 +461,9 @@ int lprocfs_ofd_wr_grant_compat_disable(struct file *file, const char *buffer,
        if (val < 0)
                return -EINVAL;
 
-       cfs_spin_lock(&ofd->ofd_flags_lock);
+       spin_lock(&ofd->ofd_flags_lock);
        ofd->ofd_grant_compat_disable = !!val;
-       cfs_spin_unlock(&ofd->ofd_flags_lock);
+       spin_unlock(&ofd->ofd_flags_lock);
 
        return count;
 }
@@ -460,7 +476,7 @@ static struct lprocfs_vars lprocfs_ofd_obd_vars[] = {
        { "kbytesavail",         lprocfs_rd_kbytesavail, 0, 0 },
        { "filestotal",          lprocfs_rd_filestotal, 0, 0 },
        { "filesfree",           lprocfs_rd_filesfree, 0, 0 },
-       { "filegroups",          lprocfs_ofd_rd_groups, 0, 0 },
+       { "seqs_allocated",      lprocfs_ofd_rd_seqs, 0, 0 },
        { "fstype",              lprocfs_ofd_rd_fstype, 0, 0 },
        { "last_id",             lprocfs_ofd_rd_last_id, 0, 0 },
        { "tot_dirty",           lprocfs_ofd_rd_tot_dirty,   0, 0 },
@@ -507,153 +523,12 @@ static struct lprocfs_vars lprocfs_ofd_module_vars[] = {
        { 0 }
 };
 
-#define pct(a,b) (b ? a * 100 / b : 0)
-
-static void display_brw_stats(struct seq_file *seq, char *name, char *units,
-                             struct obd_histogram *read,
-                             struct obd_histogram *write, int log2)
-{
-       unsigned long   read_tot, write_tot, r, w, read_cum = 0, write_cum = 0;
-       int             i;
-
-       seq_printf(seq, "\n%26s read      |     write\n", " ");
-       seq_printf(seq, "%-22s %-5s %% cum %% |  %-5s %% cum %%\n",
-                  name, units, units);
-
-       read_tot = lprocfs_oh_sum(read);
-       write_tot = lprocfs_oh_sum(write);
-       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 (!log2)
-                       seq_printf(seq, "%u", i);
-               else if (i < 10)
-                       seq_printf(seq, "%u", 1 << i);
-               else if (i < 20)
-                       seq_printf(seq, "%uK", 1 << (i - 10));
-               else
-                       seq_printf(seq, "%uM", 1 << (i - 20));
-
-               seq_printf(seq, ":\t\t%10lu %3lu %3lu   | %4lu %3lu %3lu\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 void brw_stats_show(struct seq_file *seq, struct brw_stats *brw_stats)
-{
-       struct timeval  now;
-       char            title[24];
-
-       /* this sampling races with updates */
-       cfs_gettimeofday(&now);
-       seq_printf(seq, "snapshot_time:         %lu.%lu (secs.usecs)\n",
-                  now.tv_sec, now.tv_usec);
-
-       display_brw_stats(seq, "pages per bulk r/w", "rpcs",
-                         &brw_stats->hist[BRW_R_PAGES],
-                         &brw_stats->hist[BRW_W_PAGES], 1);
-
-       display_brw_stats(seq, "discontiguous pages", "rpcs",
-                         &brw_stats->hist[BRW_R_DISCONT_PAGES],
-                         &brw_stats->hist[BRW_W_DISCONT_PAGES], 0);
-
-       display_brw_stats(seq, "discontiguous blocks", "rpcs",
-                         &brw_stats->hist[BRW_R_DISCONT_BLOCKS],
-                         &brw_stats->hist[BRW_W_DISCONT_BLOCKS], 0);
-
-       display_brw_stats(seq, "disk fragmented I/Os", "ios",
-                         &brw_stats->hist[BRW_R_DIO_FRAGS],
-                         &brw_stats->hist[BRW_W_DIO_FRAGS], 0);
-
-       display_brw_stats(seq, "disk I/Os in flight", "ios",
-                         &brw_stats->hist[BRW_R_RPC_HIST],
-                         &brw_stats->hist[BRW_W_RPC_HIST], 0);
-
-       sprintf(title, "I/O time (1/%ds)", CFS_HZ);
-       display_brw_stats(seq, title, "ios",
-                         &brw_stats->hist[BRW_R_IO_TIME],
-                         &brw_stats->hist[BRW_W_IO_TIME], 1);
-
-       display_brw_stats(seq, "disk I/O size", "ios",
-                         &brw_stats->hist[BRW_R_DISK_IOSIZE],
-                         &brw_stats->hist[BRW_W_DISK_IOSIZE], 1);
-}
-
-#undef pct
-
-static int ofd_brw_stats_seq_show(struct seq_file *seq, void *v)
-{
-       struct obd_device *dev = seq->private;
-       struct filter_obd *ofd = &dev->u.filter;
-
-       brw_stats_show(seq, &ofd->fo_filter_stats);
-
-       return 0;
-}
-
-static ssize_t ofd_brw_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 filter_obd       *ofd = &dev->u.filter;
-       int                      i;
-
-       for (i = 0; i < BRW_LAST; i++)
-               lprocfs_oh_clear(&ofd->fo_filter_stats.hist[i]);
-
-       return len;
-}
-
-LPROC_SEQ_FOPS(ofd_brw_stats);
-
-int lproc_ofd_attach_seqstat(struct obd_device *dev)
-{
-       return lprocfs_obd_seq_create(dev, "brw_stats", 0444,
-                                     &ofd_brw_stats_fops, dev);
-}
-
 void lprocfs_ofd_init_vars(struct lprocfs_static_vars *lvars)
 {
        lvars->module_vars  = lprocfs_ofd_module_vars;
        lvars->obd_vars     = lprocfs_ofd_obd_vars;
 }
 
-static int ofd_per_nid_stats_seq_show(struct seq_file *seq, void *v)
-{
-       nid_stat_t *stat = seq->private;
-
-       if (stat->nid_brw_stats)
-               brw_stats_show(seq, stat->nid_brw_stats);
-
-       return 0;
-}
-
-static ssize_t ofd_per_nid_stats_seq_write(struct file *file, const char *buf,
-                                          size_t len, loff_t *off)
-{
-       struct seq_file *seq = file->private_data;
-        nid_stat_t     *stat = seq->private;
-        int             i;
-
-       if (stat->nid_brw_stats)
-               for (i = 0; i < BRW_LAST; i++)
-                       lprocfs_oh_clear(&stat->nid_brw_stats->hist[i]);
-
-       return len;
-}
-
-LPROC_SEQ_FOPS(ofd_per_nid_stats);
-
 void ofd_stats_counter_init(struct lprocfs_stats *stats)
 {
        LASSERT(stats && stats->ls_num == LPROC_OFD_STATS_LAST);