#define DEBUG_SUBSYSTEM S_CLASS
-#include <linux/version.h>
-#include <lprocfs_status.h>
#include <obd.h>
+#include <lprocfs_status.h>
#include <linux/seq_file.h>
-#include <linux/version.h>
#include "ofd_internal.h"
#ifdef LPROCFS
+static int lprocfs_ofd_rd_groups(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);
+}
+
+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);
+
+ LASSERT(obd != NULL);
+ *eof = 1;
+ return snprintf(page, count, LPU64"\n", ofd->ofd_tot_dirty);
+}
+
+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);
+
+ LASSERT(obd != NULL);
+ *eof = 1;
+ return snprintf(page, count, LPU64"\n", ofd->ofd_tot_granted);
+}
+
+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);
+
+ LASSERT(obd != NULL);
+ *eof = 1;
+ return snprintf(page, count, LPU64"\n", ofd->ofd_tot_pending);
+}
+
+static int lprocfs_ofd_rd_grant_precreate(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+
+ LASSERT(obd != NULL);
+ *eof = 1;
+ return snprintf(page, count, "%ld\n",
+ obd->obd_self_export->exp_filter_data.fed_grant);
+}
+
+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);
+
+ LASSERT(obd != NULL);
+ *eof = 1;
+ return snprintf(page, count, "%d%%\n",
+ (int) ofd_grant_reserved(ofd, 100));
+}
+
+static int lprocfs_ofd_wr_grant_ratio(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+ int val;
+ int rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val > 100 || val < 0)
+ return -EINVAL;
+
+ if (val == 0)
+ CWARN("%s: disabling grant error margin\n", obd->obd_name);
+ if (val > 50)
+ CWARN("%s: setting grant error margin >50%%, be warned that "
+ "a huge part of the free space is now reserved for "
+ "grants\n", obd->obd_name);
+
+ cfs_spin_lock(&ofd->ofd_grant_lock);
+ ofd->ofd_grant_ratio = ofd_grant_ratio_conv(val);
+ cfs_spin_unlock(&ofd->ofd_grant_lock);
+ return count;
+}
+
+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;
+
+ 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));
+ if (rc < 0) {
+ retval = rc;
+ break;
+ }
+ page += rc;
+ count -= rc;
+ retval += rc;
+ }
+ return retval;
+}
+
+int lprocfs_ofd_rd_fmd_max_num(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 rc;
+
+ rc = snprintf(page, count, "%u\n", ofd->ofd_fmd_max_num);
+ return rc;
+}
+
+int lprocfs_ofd_wr_fmd_max_num(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+ int val;
+ int rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val > 65536 || val < 1)
+ return -EINVAL;
+
+ ofd->ofd_fmd_max_num = val;
+ return count;
+}
+
+int lprocfs_ofd_rd_fmd_max_age(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 rc;
+
+ rc = snprintf(page, count, "%ld\n", ofd->ofd_fmd_max_age / CFS_HZ);
+ return rc;
+}
+
+int lprocfs_ofd_wr_fmd_max_age(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+ int val;
+ int rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val > 65536 || val < 1)
+ return -EINVAL;
+
+ ofd->ofd_fmd_max_age = val * CFS_HZ;
+ return count;
+}
+
+static int lprocfs_ofd_rd_capa(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ int rc;
+
+ rc = snprintf(page, count, "capability on: %s\n",
+ obd->u.filter.fo_fl_oss_capa ? "oss" : "");
+ return rc;
+}
+
+static int lprocfs_ofd_wr_capa(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ int val, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val & ~0x1) {
+ CERROR("invalid capability mode, only 0/1 are accepted.\n"
+ " 1: enable oss fid capability\n"
+ " 0: disable oss fid capability\n");
+ return -EINVAL;
+ }
+
+ obd->u.filter.fo_fl_oss_capa = val;
+ LCONSOLE_INFO("OSS %s %s fid capability.\n", obd->obd_name,
+ val ? "enabled" : "disabled");
+ return count;
+}
+
+static int lprocfs_ofd_rd_capa_count(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ return snprintf(page, count, "%d %d\n",
+ capa_count[CAPA_SITE_CLIENT],
+ capa_count[CAPA_SITE_SERVER]);
+}
+
+int lprocfs_ofd_rd_degraded(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);
+
+ return snprintf(page, count, "%u\n", ofd->ofd_raid_degraded);
+}
+
+int lprocfs_ofd_wr_degraded(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+ int val, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ cfs_spin_lock(&ofd->ofd_flags_lock);
+ ofd->ofd_raid_degraded = !!val;
+ cfs_spin_unlock(&ofd->ofd_flags_lock);
+
+ return count;
+}
+
+int lprocfs_ofd_rd_fstype(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);
+ struct lu_device *d;
+
+ LASSERT(ofd->ofd_osd);
+ d = &ofd->ofd_osd->dd_lu_dev;
+ LASSERT(d->ld_type);
+ return snprintf(page, count, "%s\n", d->ld_type->ldt_name);
+}
+
+int lprocfs_ofd_rd_syncjournal(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 rc;
+
+ rc = snprintf(page, count, "%u\n", ofd->ofd_syncjournal);
+ return rc;
+}
+
+int lprocfs_ofd_wr_syncjournal(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+ int val;
+ int rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val < 0)
+ return -EINVAL;
+
+ cfs_spin_lock(&ofd->ofd_flags_lock);
+ ofd->ofd_syncjournal = !!val;
+ ofd_slc_set(ofd);
+ cfs_spin_unlock(&ofd->ofd_flags_lock);
+
+ return count;
+}
+
+static char *sync_on_cancel_states[] = {"never",
+ "blocking",
+ "always" };
+
+int lprocfs_ofd_rd_sync_lock_cancel(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 rc;
+
+ rc = snprintf(page, count, "%s\n",
+ sync_on_cancel_states[ofd->ofd_sync_lock_cancel]);
+ return rc;
+}
+
+int lprocfs_ofd_wr_sync_lock_cancel(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+ int val = -1;
+ int i;
+
+ for (i = 0 ; i < NUM_SYNC_ON_CANCEL_STATES; i++) {
+ if (memcmp(buffer, sync_on_cancel_states[i],
+ strlen(sync_on_cancel_states[i])) == 0) {
+ val = i;
+ break;
+ }
+ }
+ if (val == -1) {
+ int rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+ }
+
+ if (val < 0 || val > 2)
+ return -EINVAL;
+
+ cfs_spin_lock(&ofd->ofd_flags_lock);
+ ofd->ofd_sync_lock_cancel = val;
+ cfs_spin_unlock(&ofd->ofd_flags_lock);
+ return count;
+}
+
+int lprocfs_ofd_rd_grant_compat_disable(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 rc;
+
+ rc = snprintf(page, count, "%u\n", ofd->ofd_grant_compat_disable);
+ return rc;
+}
+
+int lprocfs_ofd_wr_grant_compat_disable(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
+ int val;
+ int rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val < 0)
+ return -EINVAL;
+
+ cfs_spin_lock(&ofd->ofd_flags_lock);
+ ofd->ofd_grant_compat_disable = !!val;
+ cfs_spin_unlock(&ofd->ofd_flags_lock);
+
+ return count;
+}
+
static struct lprocfs_vars lprocfs_ofd_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { "blocksize", lprocfs_rd_blksize, 0, 0 },
+ { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 },
+ { "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 },
+ { "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 },
+ { "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 },
+ { "tot_pending", lprocfs_ofd_rd_tot_pending, 0, 0 },
+ { "tot_granted", lprocfs_ofd_rd_tot_granted, 0, 0 },
+ { "grant_precreate", lprocfs_ofd_rd_grant_precreate, 0, 0 },
+ { "grant_ratio", lprocfs_ofd_rd_grant_ratio,
+ lprocfs_ofd_wr_grant_ratio, 0, 0 },
+ { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
+ { "recovery_time_soft", lprocfs_obd_rd_recovery_time_soft,
+ lprocfs_obd_wr_recovery_time_soft, 0},
+ { "recovery_time_hard", lprocfs_obd_rd_recovery_time_hard,
+ lprocfs_obd_wr_recovery_time_hard, 0},
+ { "evict_client", 0, lprocfs_wr_evict_client, 0,
+ &lprocfs_evict_client_fops},
+ { "num_exports", lprocfs_rd_num_exports, 0, 0 },
+ { "degraded", lprocfs_ofd_rd_degraded,
+ lprocfs_ofd_wr_degraded, 0},
+ { "sync_journal", lprocfs_ofd_rd_syncjournal,
+ lprocfs_ofd_wr_syncjournal, 0 },
+ { "sync_on_lock_cancel", lprocfs_ofd_rd_sync_lock_cancel,
+ lprocfs_ofd_wr_sync_lock_cancel, 0 },
+ { "instance", lprocfs_target_rd_instance, 0 },
+ { "ir_factor", lprocfs_obd_rd_ir_factor,
+ lprocfs_obd_wr_ir_factor, 0},
+ { "grant_compat_disable", lprocfs_ofd_rd_grant_compat_disable,
+ lprocfs_ofd_wr_grant_compat_disable, 0 },
+ { "client_cache_count", lprocfs_ofd_rd_fmd_max_num,
+ lprocfs_ofd_wr_fmd_max_num, 0 },
+ { "client_cache_seconds", lprocfs_ofd_rd_fmd_max_age,
+ lprocfs_ofd_wr_fmd_max_age, 0 },
+ { "capa", lprocfs_ofd_rd_capa,
+ lprocfs_ofd_wr_capa, 0 },
+ { "capa_count", lprocfs_ofd_rd_capa_count, 0, 0 },
{ 0 }
};
{ 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;
+ 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);
#endif /* LPROCFS */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff