b=6063

[fs/lustre-release.git] / lustre / ost / lproc_ost.c

diff --git a/lustre/ost/lproc_ost.c b/lustre/ost/lproc_ost.c
index 936706d..beef27a 100644 (file)
--- a/lustre/ost/lproc_ost.c
+++ b/lustre/ost/lproc_ost.c
@@ -23,6 +23,7 @@
 
 #include <linux/obd_class.h>
 #include <linux/lprocfs_status.h>
+#include <linux/seq_file.h>
 
 #ifndef LPROCFS
 static struct lprocfs_vars lprocfs_obd_vars[]  = { {0} };
@@ -38,5 +39,100 @@ static struct lprocfs_vars lprocfs_module_vars[] = {
         { 0 }
 };
 
+#define PRINTF_STIME(stime) (unsigned long)(stime)->st_num,     \
+        lprocfs_stime_avg_ms(stime), lprocfs_stime_avg_us(stime)
+
+static int ost_stimes_seq_show(struct seq_file *seq, void *v)
+{
+        struct timeval now;
+        struct obd_device *dev = seq->private;
+        struct ost_obd *ost = &dev->u.ost;
+
+        do_gettimeofday(&now);
+
+        spin_lock(&ost->ost_lock);
+
+        seq_printf(seq, "snapshot_time:         %lu.%lu (secs.usecs)\n",
+                   now.tv_sec, now.tv_usec);
+
+        seq_printf(seq, "\nread rpc service time: (rpcs, average ms)\n");
+        seq_printf(seq, "\tprep\t%lu\t%lu.%04lu\n",
+                        PRINTF_STIME(&ost->ost_stimes[0]));
+        seq_printf(seq, "\tbulk\t%lu\t%lu.%04lu\n\n",
+                        PRINTF_STIME(&ost->ost_stimes[1]));
+        seq_printf(seq, "\tcommit\t%lu\t%lu.%04lu\n\n",
+                        PRINTF_STIME(&ost->ost_stimes[2]));
+
+        seq_printf(seq, "\nwrite rpc service time: (rpcs, average ms)\n");
+        seq_printf(seq, "\tprep\t%lu\t%lu.%04lu\n",
+                        PRINTF_STIME(&ost->ost_stimes[3]));
+        seq_printf(seq, "\tbulk\t%lu\t%lu.%04lu\n\n",
+                        PRINTF_STIME(&ost->ost_stimes[4]));
+        seq_printf(seq, "\tcommit\t%lu\t%lu.%04lu\n\n",
+                        PRINTF_STIME(&ost->ost_stimes[5]));
+
+        spin_unlock(&ost->ost_lock);
+
+        return 0;
+}
+
+static void *ost_stimes_seq_start(struct seq_file *p, loff_t *pos)
+{
+        if (*pos == 0)
+                return (void *)1;
+        return NULL;
+}
+static void *ost_stimes_seq_next(struct seq_file *p, void *v, loff_t *pos)
+{
+        ++*pos;
+        return NULL;
+}
+static void ost_stimes_seq_stop(struct seq_file *p, void *v)
+{
+}
+struct seq_operations ost_stimes_seq_sops = {
+        .start = ost_stimes_seq_start,
+        .stop = ost_stimes_seq_stop,
+        .next = ost_stimes_seq_next,
+        .show = ost_stimes_seq_show,
+};
+
+static int ost_stimes_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, &ost_stimes_seq_sops);
+        if (rc)
+                return rc;
+        seq = file->private_data;
+        seq->private = dp->data;
+        return 0;
+}
+
+static ssize_t ost_stimes_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 ost_obd *ost = &dev->u.ost;
+
+        spin_lock(&ost->ost_lock);
+        memset(&ost->ost_stimes, 0, sizeof(ost->ost_stimes));
+        spin_unlock(&ost->ost_lock);
+
+        return len;
+}
+
+struct file_operations ost_stimes_fops = {
+        .owner   = THIS_MODULE,
+        .open    = ost_stimes_seq_open,
+        .read    = seq_read,
+        .write   = ost_stimes_seq_write,
+        .llseek  = seq_lseek,
+        .release = seq_release,
+};
+
 #endif /* LPROCFS */
 LPROCFS_INIT_VARS(ost, lprocfs_module_vars, lprocfs_obd_vars)