1 files changed, 91 insertions, 0 deletions
diff --git a/src/pmdas/gfs2/worst_glock.h b/src/pmdas/gfs2/worst_glock.h
new file mode 100644
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+++ b/src/pmdas/gfs2/worst_glock.h
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+/*
+ * GFS2 gfs2_glock_lock_time trace-point metrics.
+ *
+ * Copyright (c) 2013 - 2014 Red Hat.
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#ifndef LOCK_TIME_H
+#define LOCK_TIME_H
+
+#define COUNT_THRESHOLD 350
+#define DEFAULT_WORST_GLOCK_STATE 1
+#define WORST_GLOCK_TOP 10
+#define WORST_GLOCK_COUNT (NUM_GLOCKSTATS*NUM_TOPNUM)
+
+enum {
+    WORSTGLOCK_LOCK_TYPE = 0,
+    WORSTGLOCK_NUMBER,
+    WORSTGLOCK_SRTT,
+    WORSTGLOCK_SRTTVAR,
+    WORSTGLOCK_SRTTB,
+    WORSTGLOCK_SRTTVARB,
+    WORSTGLOCK_SIRT,
+    WORSTGLOCK_SIRTVAR,
+    WORSTGLOCK_DLM,
+    WORSTGLOCK_QUEUE,
+    NUM_GLOCKSTATS
+};
+
+enum {
+    WORSTGLOCK_TRANS = 1,
+    WORSTGLOCK_INODE = 2,
+    WORSTGLOCK_RGRP = 3,
+    WORSTGLOCK_META = 4,
+    WORSTGLOCK_IOPEN = 5,
+    WORSTGLOCK_FLOCK = 6,
+    WORSTGLOCK_RESERVED = 7,
+    WORSTGLOCK_QUOTA = 8,
+    WORSTGLOCK_JOURNAL = 9
+};
+
+enum {
+    TOPNUM_FIRST = 0,
+    TOPNUM_SECOND,
+    TOPNUM_THIRD,
+    TOPNUM_FOURTH,
+    TOPNUM_FIFTH,
+    TOPNUM_SIXTH,
+    TOPNUM_SEVENTH,
+    TOPNUM_EIGHTH,
+    TOPNUM_NINTH,
+    TOPNUM_TENTH,
+    NUM_TOPNUM
+};
+
+struct glock {
+    dev_t dev_id; 
+    uint32_t lock_type;    /* Glock type number */
+    uint64_t number;       /* Inode or resource group number */
+    int64_t srtt;          /* Non blocking smoothed round trip time */
+    int64_t srttvar;       /* Non blocking smoothed variance */
+    int64_t srttb;         /* Blocking smoothed round trip time */
+    int64_t srttvarb;      /* Blocking smoothed variance */
+    int64_t sirt;          /* Smoothed Inter-request time */
+    int64_t sirtvar;       /* Smoothed Inter-request variance */
+    int64_t dlm;           /* Count of dlm requests */
+    int64_t queue;         /* Count of gfs2_holder queues */
+};
+
+struct worst_glock {
+    struct glock glocks[WORST_GLOCK_TOP + 1];
+    int    assigned_entries;
+};
+
+extern void gfs2_worst_glock_init(pmdaMetric *, int);
+extern int gfs2_worst_glock_fetch(int, struct worst_glock *, pmAtomValue *);
+extern int gfs2_extract_worst_glock(char **, pmInDom);
+
+extern int worst_glock_get_state();
+extern int worst_glock_set_state(pmValueSet *vsp);
+
+#endif /* LOCK_TIME_H */