ocfs2 patch to track delayed orphan scan timer statistics
Patch to track delayed orphan scan timer statistics. Modifies ocfs2_osb_dump to print the following: Orphan Scan=> Local: 10 Global: 21 Last Scan: 67 seconds ago Signed-off-by: Srinivas Eeda <srinivas.eeda@oracle.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
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Родитель
83273932fb
Коммит
15633a220f
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@ -1900,6 +1900,8 @@ void ocfs2_queue_orphan_scan(struct ocfs2_super *osb)
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* number and update LVB so other node will skip the scan for a while
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*/
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seqno++;
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os->os_count++;
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os->os_scantime = CURRENT_TIME;
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unlock:
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ocfs2_orphan_scan_unlock(osb, seqno, DLM_LOCK_EX);
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out:
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@ -1939,6 +1941,8 @@ int ocfs2_orphan_scan_init(struct ocfs2_super *osb)
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os = &osb->osb_orphan_scan;
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os->os_osb = osb;
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os->os_count = 0;
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os->os_scantime = CURRENT_TIME;
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mutex_init(&os->os_lock);
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INIT_DELAYED_WORK(&os->os_orphan_scan_work,
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@ -156,7 +156,9 @@ struct ocfs2_orphan_scan {
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struct ocfs2_super *os_osb;
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struct ocfs2_lock_res os_lockres; /* lock to synchronize scans */
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struct delayed_work os_orphan_scan_work;
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u32 os_seqno; /* incremented on every scan */
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struct timespec os_scantime; /* time this node ran the scan */
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u32 os_count; /* tracks node specific scans */
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u32 os_seqno; /* tracks cluster wide scans */
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};
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struct ocfs2_dlm_debug {
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@ -208,6 +208,7 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
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int i;
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struct ocfs2_cluster_connection *cconn = osb->cconn;
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struct ocfs2_recovery_map *rm = osb->recovery_map;
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struct ocfs2_orphan_scan *os;
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out += snprintf(buf + out, len - out,
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"%10s => Id: %-s Uuid: %-s Gen: 0x%X Label: %-s\n",
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@ -309,6 +310,13 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
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i, osb->slot_recovery_generations[i]);
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}
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os = &osb->osb_orphan_scan;
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out += snprintf(buf + out, len - out, "Orphan Scan=> ");
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out += snprintf(buf + out, len - out, "Local: %u Global: %u ",
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os->os_count, os->os_seqno);
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out += snprintf(buf + out, len - out, " Last Scan: %lu seconds ago\n",
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(get_seconds() - os->os_scantime.tv_sec));
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return out;
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}
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