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/*
* 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*/
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