LU-11407 obdclass: add start time to stats files

[fs/lustre-release.git] / lustre / include / lprocfs_status.h

diff --git a/lustre/include/lprocfs_status.h b/lustre/include/lprocfs_status.h
index 2336a24..7fc41b1 100644 (file)
--- a/lustre/include/lprocfs_status.h
+++ b/lustre/include/lprocfs_status.h
@@ -121,7 +121,8 @@ enum {
 };
 
 struct brw_stats {
-        struct obd_histogram hist[BRW_LAST];
+       ktime_t                 bs_init;
+       struct obd_histogram    bs_hist[BRW_LAST];
 };
 
 enum {
@@ -132,7 +133,8 @@ enum {
 };
 
 struct rename_stats {
-        struct obd_histogram hist[RENAME_LAST];
+       ktime_t                 rs_init;
+       struct obd_histogram    rs_hist[RENAME_LAST];
 };
 
 /* An lprocfs counter can be configured using the enum bit masks below.
@@ -230,6 +232,7 @@ struct lprocfs_stats {
        /* 1 + the biggest cpu # whose ls_percpu slot has been allocated */
        unsigned short                  ls_biggest_alloc_num;
        enum lprocfs_stats_flags        ls_flags;
+       ktime_t                         ls_init;
        /* Lock used when there are no percpu stats areas; For percpu stats,
         * it is used to protect ls_biggest_alloc_num change */
        spinlock_t                      ls_lock;
@@ -427,8 +430,8 @@ struct obd_job_stats {
        struct cfs_hash        *ojs_hash;       /* hash of jobids */
        struct list_head        ojs_list;       /* list of job_stat structs */
        rwlock_t                ojs_lock;       /* protect ojs_list/js_list */
-       unsigned int            ojs_cleanup_interval;/* seconds before expiry */
-       time64_t                ojs_last_cleanup; /* previous cleanup time */
+       ktime_t                 ojs_cleanup_interval;/* 1/2 expiry seconds */
+       ktime_t                 ojs_cleanup_last;/* previous cleanup time */
        cntr_init_callback      ojs_cntr_init_fn;/* lprocfs_stats initializer */
        unsigned short          ojs_cntr_num;   /* number of stats in struct */
        bool                    ojs_cleaning;   /* currently expiring stats */
@@ -570,6 +573,9 @@ extern int lprocfs_seq_create(struct proc_dir_entry *parent, const char *name,
 extern int lprocfs_obd_seq_create(struct obd_device *obd, const char *name,
                                  mode_t mode, const struct proc_ops *seq_fops,
                                  void *data);
+extern void lprocfs_stats_header(struct seq_file *seq, ktime_t now,
+                                ktime_t ts_init, int width, const char *colon,
+                                bool show_units);
 
 /* Generic callbacks */
 extern int lprocfs_uuid_seq_show(struct seq_file *m, void *data);