#include <linux/version.h>
#include <linux/lprocfs_status.h>
#include <linux/obd.h>
+#include <linux/seq_file.h>
+#include <linux/version.h>
#include "filter_internal.h"
static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
#else
+static int lprocfs_filter_rd_groups(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+
+ *eof = 1;
+ return snprintf(page, count, "%u\n", obd->u.filter.fo_group_count);
+}
+
+static int lprocfs_filter_rd_tot_dirty(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, LPU64"\n", obd->u.filter.fo_tot_dirty);
+}
+
+static int lprocfs_filter_rd_tot_granted(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, LPU64"\n", obd->u.filter.fo_tot_granted);
+}
+
+static int lprocfs_filter_rd_tot_pending(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, LPU64"\n", obd->u.filter.fo_tot_pending);
+}
+
static int lprocfs_filter_rd_mntdev(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
- struct obd_device* obd = (struct obd_device *)data;
+ struct obd_device *obd = (struct obd_device *)data;
LASSERT(obd != NULL);
LASSERT(obd->u.filter.fo_vfsmnt->mnt_devname);
int count, int *eof, void *data)
{
struct obd_device *obd = data;
+ struct filter_obd *filter = &obd->u.filter;
+ int retval = 0, rc, i;
if (obd == NULL)
return 0;
- return snprintf(page, count, LPU64"\n",
- filter_last_id(&obd->u.filter, 0));
+ for (i = 1; i < filter->fo_group_count; i++) {
+ rc = snprintf(page, count, LPU64"\n",filter_last_id(filter, i));
+ if (rc < 0) {
+ retval = rc;
+ break;
+ }
+ page += rc;
+ count -= rc;
+ retval += rc;
+ }
+ return retval;
+}
+
+int lprocfs_filter_rd_readcache(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ int rc;
+
+ rc = snprintf(page, count, LPU64"\n",
+ obd->u.filter.fo_readcache_max_filesize);
+ return rc;
+}
+
+int lprocfs_filter_wr_readcache(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ __u64 val;
+ int rc;
+
+ rc = lprocfs_write_u64_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ obd->u.filter.fo_readcache_max_filesize = val;
+ return count;
}
static struct lprocfs_vars lprocfs_obd_vars[] = {
{ "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_rd_filegroups, 0, 0 },
+ { "filegroups", lprocfs_filter_rd_groups, 0, 0 },
{ "fstype", lprocfs_rd_fstype, 0, 0 },
{ "mntdev", lprocfs_filter_rd_mntdev, 0, 0 },
- { "last_id", lprocfs_filter_rd_last_id, 0, 0 },
+ { "last_id", lprocfs_filter_rd_last_id,0, 0 },
+ { "tot_dirty", lprocfs_filter_rd_tot_dirty, 0, 0 },
+ { "tot_pending", lprocfs_filter_rd_tot_pending, 0, 0 },
+ { "tot_granted", lprocfs_filter_rd_tot_granted, 0, 0 },
+ { "num_exports", lprocfs_rd_num_exports, 0, 0 },
+ { "readcache_max_filesize",
+ lprocfs_filter_rd_readcache,
+ lprocfs_filter_wr_readcache, 0 },
{ 0 }
};
{ 0 }
};
+void filter_tally_write(struct filter_obd *filter, struct page **pages,
+ int nr_pages, unsigned long *blocks, int blocks_per_page)
+{
+ struct page *last_page = NULL;
+ unsigned long *last_block = NULL;
+ unsigned long discont_pages = 0;
+ unsigned long discont_blocks = 0;
+ int i;
+
+ if (nr_pages == 0)
+ return;
+
+ lprocfs_oh_tally_log2(&filter->fo_w_pages, nr_pages);
+
+ while (nr_pages-- > 0) {
+ if (last_page && (*pages)->index != (last_page->index + 1))
+ discont_pages++;
+ last_page = *pages;
+ pages++;
+ for (i = 0; i < blocks_per_page; i++) {
+ if (last_block && *blocks != (*last_block + 1))
+ discont_blocks++;
+ last_block = blocks++;
+ }
+ }
+
+ lprocfs_oh_tally(&filter->fo_w_discont_pages, discont_pages);
+ lprocfs_oh_tally(&filter->fo_w_discont_blocks, discont_blocks);
+}
+
+void filter_tally_read(struct filter_obd *filter, struct niobuf_local *lnb,
+ int niocount)
+{
+ struct niobuf_local *end;
+ struct page *last_page = NULL;
+ unsigned long discont_pages = 0;
+ unsigned long discont_blocks = 0;
+
+ if (niocount == 0)
+ return;
+
+ for (end = lnb + niocount; lnb < end && lnb->page; lnb++) {
+ struct page *page = lnb->page;
+ if (last_page) {
+ if (page->index != (last_page->index + 1))
+ discont_pages++;
+ /* XXX not so smart for now */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+ if ((page->buffers && last_page->buffers) &&
+ (page->buffers->b_blocknr !=
+ (last_page->buffers->b_blocknr + 1)))
+ discont_blocks++;
+#else
+#warning "port on 2.6 -bzzz"
+#endif
+ }
+ last_page = page;
+ }
+
+ lprocfs_oh_tally_log2(&filter->fo_r_pages, niocount);
+ lprocfs_oh_tally(&filter->fo_r_discont_pages, discont_pages);
+ lprocfs_oh_tally(&filter->fo_r_discont_blocks, discont_blocks);
+}
+
+#define pct(a,b) (b ? a * 100 / b : 0)
+
+static int filter_brw_stats_seq_show(struct seq_file *seq, void *v)
+{
+ struct timeval now;
+ struct obd_device *dev = seq->private;
+ struct filter_obd *filter = &dev->u.filter;
+ unsigned long read_tot = 0, write_tot = 0, read_cum, write_cum;
+ int i;
+
+ do_gettimeofday(&now);
+
+ /* this sampling races with updates */
+
+ seq_printf(seq, "snapshot_time: %lu:%lu (secs:usecs)\n",
+ now.tv_sec, now.tv_usec);
+
+ seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
+ seq_printf(seq, "pages per brw brws %% cum %% |");
+ seq_printf(seq, " rpcs %% cum %%\n");
+
+ read_tot = lprocfs_oh_sum(&filter->fo_r_pages);
+ write_tot = lprocfs_oh_sum(&filter->fo_w_pages);
+
+ read_cum = 0;
+ write_cum = 0;
+ for (i = 0; i < OBD_HIST_MAX; i++) {
+ unsigned long r = filter->fo_r_pages.oh_buckets[i];
+ unsigned long w = filter->fo_w_pages.oh_buckets[i];
+ read_cum += r;
+ write_cum += w;
+ seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n",
+ 1 << i, 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;
+ }
+
+ seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
+ seq_printf(seq, "discont pages rpcs %% cum %% |");
+ seq_printf(seq, " rpcs %% cum %%\n");
+
+ read_tot = lprocfs_oh_sum(&filter->fo_r_discont_pages);
+ write_tot = lprocfs_oh_sum(&filter->fo_w_discont_pages);
+
+ read_cum = 0;
+ write_cum = 0;
+
+ for (i = 0; i < OBD_HIST_MAX; i++) {
+ unsigned long r = filter->fo_r_discont_pages.oh_buckets[i];
+ unsigned long w = filter->fo_w_discont_pages.oh_buckets[i];
+ read_cum += r;
+ write_cum += w;
+ seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n",
+ i, 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;
+ }
+
+ seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
+ seq_printf(seq, "discont blocks rpcs %% cum %% |");
+ seq_printf(seq, " rpcs %% cum %%\n");
+
+ read_tot = lprocfs_oh_sum(&filter->fo_r_discont_blocks);
+ write_tot = lprocfs_oh_sum(&filter->fo_w_discont_blocks);
+
+ read_cum = 0;
+ write_cum = 0;
+ for (i = 0; i < OBD_HIST_MAX; i++) {
+ unsigned long r = filter->fo_r_discont_blocks.oh_buckets[i];
+ unsigned long w = filter->fo_w_discont_blocks.oh_buckets[i];
+ read_cum += r;
+ write_cum += w;
+ seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n",
+ i, 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;
+ }
+
+ return 0;
+}
+#undef pct
+
+static void *filter_brw_stats_seq_start(struct seq_file *p, loff_t *pos)
+{
+ if (*pos == 0)
+ return (void *)1;
+ return NULL;
+}
+static void *filter_brw_stats_seq_next(struct seq_file *p, void *v, loff_t *pos)
+{
+ ++*pos;
+ return NULL;
+}
+static void filter_brw_stats_seq_stop(struct seq_file *p, void *v)
+{
+}
+struct seq_operations filter_brw_stats_seq_sops = {
+ .start = filter_brw_stats_seq_start,
+ .stop = filter_brw_stats_seq_stop,
+ .next = filter_brw_stats_seq_next,
+ .show = filter_brw_stats_seq_show,
+};
+
+static int filter_brw_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, &filter_brw_stats_seq_sops);
+ if (rc)
+ return rc;
+ seq = file->private_data;
+ seq->private = dp->data;
+ return 0;
+}
+
+static ssize_t filter_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 *filter = &dev->u.filter;
+
+ lprocfs_oh_clear(&filter->fo_r_pages);
+ lprocfs_oh_clear(&filter->fo_w_pages);
+ lprocfs_oh_clear(&filter->fo_r_discont_pages);
+ lprocfs_oh_clear(&filter->fo_w_discont_pages);
+ lprocfs_oh_clear(&filter->fo_r_discont_blocks);
+ lprocfs_oh_clear(&filter->fo_w_discont_blocks);
+
+ return len;
+}
+
+struct file_operations filter_brw_stats_fops = {
+ .owner = THIS_MODULE,
+ .open = filter_brw_stats_seq_open,
+ .read = seq_read,
+ .write = filter_brw_stats_seq_write,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+int lproc_filter_attach_seqstat(struct obd_device *dev)
+{
+ return lprocfs_obd_seq_create(dev, "brw_stats", 0444,
+ &filter_brw_stats_fops, dev);
+}
+
+
+
#endif /* LPROCFS */
-LPROCFS_INIT_VARS(filter,lprocfs_module_vars, lprocfs_obd_vars)
+LPROCFS_INIT_VARS(filter, lprocfs_module_vars, lprocfs_obd_vars)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff