X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fofd%2Flproc_ofd.c;h=28f5ab461bf60ad5d9a1ddc4b4cdabd8331adb05;hp=4d104e54d3a55c431d219435a96ac20d5b696e15;hb=71d68757c76cb01ba4d9afa09c766fe48dce369c;hpb=5065210e4d04fb5f67626e7f3c10e208556cdf8b

diff --git a/lustre/ofd/lproc_ofd.c b/lustre/ofd/lproc_ofd.c
index 4d104e5..28f5ab4 100644
--- a/lustre/ofd/lproc_ofd.c
+++ b/lustre/ofd/lproc_ofd.c
@@ -38,18 +38,431 @@
 
 #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 }
 };
 
@@ -58,10 +471,150 @@ 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;
+	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 */