1 files changed, 142 insertions, 0 deletions
diff --git a/src/pmdas/gfs2/ftrace.h b/src/pmdas/gfs2/ftrace.h
new file mode 100644
index 0000000..7974783
--- /dev/null
+++ b/src/pmdas/gfs2/ftrace.h
@@ -0,0 +1,142 @@
+/*
+ * GFS2 ftrace based 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 FTRACE_H
+#define FTRACE_H
+
+#define INITIAL_GLOBAL_MAX_GLOCK_THROUGHPUT 750000
+
+enum {
+    GLOCK_STATE_CHANGE = 0,
+    GLOCK_PUT,
+    DEMOTE_RQ,
+    PROMOTE,
+    GLOCK_QUEUE,
+    GLOCK_LOCK_TIME,
+    PIN,
+    LOG_FLUSH,
+    LOG_BLOCKS,
+    AIL_FLUSH,
+    BLOCK_ALLOC,
+    BMAP,
+    RS,    
+    NUM_FTRACE_TRACEPOINTS
+};
+
+enum {
+    FTRACE_GLOCKSTATE_TOTAL = 0,
+    FTRACE_GLOCKSTATE_NULLLOCK,
+    FTRACE_GLOCKSTATE_CONCURRENTREAD,
+    FTRACE_GLOCKSTATE_CONCURRENTWRITE,
+    FTRACE_GLOCKSTATE_PROTECTEDREAD,
+    FTRACE_GLOCKSTATE_PROTECTEDWRITE,
+    FTRACE_GLOCKSTATE_EXCLUSIVE,
+    FTRACE_GLOCKSTATE_GLOCK_CHANGEDTARGET,
+    FTRACE_GLOCKSTATE_GLOCK_MISSEDTARGET,
+    FTRACE_GLOCKPUT_TOTAL,
+    FTRACE_GLOCKPUT_NULLLOCK,
+    FTRACE_GLOCKPUT_CONCURRENTREAD,
+    FTRACE_GLOCKPUT_CONCURRENTWRITE,
+    FTRACE_GLOCKPUT_PROTECTEDREAD,
+    FTRACE_GLOCKPUT_PROTECTEDWRITE,
+    FTRACE_GLOCKPUT_EXCLUSIVE,
+    FTRACE_DEMOTERQ_TOTAL,
+    FTRACE_DEMOTERQ_NULLLOCK,
+    FTRACE_DEMOTERQ_CONCURRENTREAD,
+    FTRACE_DEMOTERQ_CONCURRENTWRITE,
+    FTRACE_DEMOTERQ_PROTECTEDREAD,
+    FTRACE_DEMOTERQ_PROTECTEDWRITE,
+    FTRACE_DEMOTERQ_EXCLUSIVE,
+    FTRACE_DEMOTERQ_REQUESTED_REMOTE,
+    FTRACE_DEMOTERQ_REQUESTED_LOCAL,
+    FTRACE_PROMOTE_TOTAL,
+    FTRACE_PROMOTE_FIRST_NULLLOCK,
+    FTRACE_PROMOTE_FIRST_CONCURRENTREAD,
+    FTRACE_PROMOTE_FIRST_CONCURRENTWRITE,
+    FTRACE_PROMOTE_FIRST_PROTECTEDREAD,
+    FTRACE_PROMOTE_FIRST_PROTECTEDWRITE,
+    FTRACE_PROMOTE_FIRST_EXCLUSIVE,
+    FTRACE_PROMOTE_OTHER_NULLLOCK,
+    FTRACE_PROMOTE_OTHER_CONCURRENTREAD,
+    FTRACE_PROMOTE_OTHER_CONCURRENTWRITE,
+    FTRACE_PROMOTE_OTHER_PROTECTEDREAD,
+    FTRACE_PROMOTE_OTHER_PROTECTEDWRITE,
+    FTRACE_PROMOTE_OTHER_EXCLUSIVE,
+    FTRACE_GLOCKQUEUE_TOTAL,
+    FTRACE_GLOCKQUEUE_QUEUE_TOTAL,
+    FTRACE_GLOCKQUEUE_QUEUE_NULLLOCK,
+    FTRACE_GLOCKQUEUE_QUEUE_CONCURRENTREAD,
+    FTRACE_GLOCKQUEUE_QUEUE_CONCURRENTWRITE,
+    FTRACE_GLOCKQUEUE_QUEUE_PROTECTEDREAD,
+    FTRACE_GLOCKQUEUE_QUEUE_PROTECTEDWRITE,
+    FTRACE_GLOCKQUEUE_QUEUE_EXCLUSIVE,
+    FTRACE_GLOCKQUEUE_DEQUEUE_TOTAL,
+    FTRACE_GLOCKQUEUE_DEQUEUE_NULLLOCK,
+    FTRACE_GLOCKQUEUE_DEQUEUE_CONCURRENTREAD,
+    FTRACE_GLOCKQUEUE_DEQUEUE_CONCURRENTWRITE,
+    FTRACE_GLOCKQUEUE_DEQUEUE_PROTECTEDREAD,
+    FTRACE_GLOCKQUEUE_DEQUEUE_PROTECTEDWRITE,
+    FTRACE_GLOCKQUEUE_DEQUEUE_EXCLUSIVE,
+    FTRACE_GLOCKLOCKTIME_TOTAL,
+    FTRACE_GLOCKLOCKTIME_TRANS,
+    FTRACE_GLOCKLOCKTIME_INDOE,
+    FTRACE_GLOCKLOCKTIME_RGRP,
+    FTRACE_GLOCKLOCKTIME_META,
+    FTRACE_GLOCKLOCKTIME_IOPEN,
+    FTRACE_GLOCKLOCKTIME_FLOCK,
+    FTRACE_GLOCKLOCKTIME_QUOTA,
+    FTRACE_GLOCKLOCKTIME_JOURNAL,
+    FTRACE_PIN_TOTAL,
+    FTRACE_PIN_PINTOTAL,
+    FTRACE_PIN_UNPINTOTAL,
+    FTRACE_PIN_LONGESTPINNED,
+    FTRACE_LOGFLUSH_TOTAL,
+    FTRACE_LOGBLOCKS_TOTAL,
+    FTRACE_AILFLUSH_TOTAL,
+    FTRACE_BLOCKALLOC_TOTAL,
+    FTRACE_BLOCKALLOC_FREE,
+    FTRACE_BLOCKALLOC_USED,
+    FTRACE_BLOCKALLOC_DINODE,
+    FTRACE_BLOCKALLOC_UNLINKED,
+    FTRACE_BMAP_TOTAL,
+    FTRACE_BMAP_CREATE,
+    FTRACE_BMAP_NOCREATE,
+    FTRACE_RS_TOTAL,
+    FTRACE_RS_DEL,
+    FTRACE_RS_TDEL,
+    FTRACE_RS_INS,
+    FTRACE_RS_CLM,
+    NUM_TRACEPOINT_STATS
+};
+
+struct ftrace {
+    uint64_t values[NUM_TRACEPOINT_STATS];
+};
+
+struct ftrace_data {
+    dev_t dev_id;
+    int   tracepoint;
+    char  data[512];
+};
+
+extern void ftrace_increase_num_accepted_entries();
+extern int gfs2_ftrace_fetch(int, struct ftrace *, pmAtomValue *);
+extern int gfs2_refresh_ftrace_stats(pmInDom);
+
+extern int ftrace_get_threshold();
+extern int ftrace_set_threshold(pmValueSet *vsp);
+
+#endif	/*FTRACE_H*/