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Addition of DCB and Poll statistics in show status output

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This commit is contained in:
Mark Riddoch
2015-02-20 10:05:50 +00:00
parent df3a548be1
commit 8eb14235d1
7 changed files with 287 additions and 10 deletions
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4
server/include/config.h
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@ -1,5 +1,5 @@
#ifndef _CONFIG_H
#define _CONFIG_H
#ifndef _MAXSCALE_CONFIG_H
#define _MAXSCALE_CONFIG_H
/*
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the

13
server/include/dcb.h
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@ -271,6 +271,18 @@ typedef struct dcb {
#endif
} DCB;
/**
* The DCB usage filer used for returning DCB's in use for a certain reason
*/
typedef enum {
DCB_USAGE_CLIENT,
DCB_USAGE_LISTENER,
DCB_USAGE_BACKEND,
DCB_USAGE_INTERNAL,
DCB_USAGE_ZOMBIE,
DCB_USAGE_ALL
} DCB_USAGE;
#if defined(FAKE_CODE)
unsigned char dcb_fake_write_errno[10240];
__int32_t dcb_fake_write_ev[10240];
@ -319,6 +331,7 @@ int dcb_add_callback(DCB *, DCB_REASON, int (*)(struct dcb *, DCB_REASON, void
int dcb_remove_callback(DCB *, DCB_REASON, int (*)(struct dcb *, DCB_REASON, void *),
void *);
int dcb_isvalid(DCB *); /* Check the DCB is in the linked list */
int dcb_count_by_usage(DCB_USAGE); /* Return counts of DCBs */
bool dcb_set_state(DCB* dcb, dcb_state_t new_state, dcb_state_t* old_state);
void dcb_call_foreach (DCB_REASON reason);

17
server/include/poll.h
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@ -33,6 +33,22 @@
*/
#define MAX_EVENTS 1000
/**
* A statistic identifier that can be returned by poll_get_stat
*/
typedef enum {
POLL_STAT_READ,
POLL_STAT_WRITE,
POLL_STAT_ERROR,
POLL_STAT_HANGUP,
POLL_STAT_ACCEPT,
POLL_STAT_EVQ_LEN,
POLL_STAT_EVQ_PENDING,
POLL_STAT_EVQ_MAX,
POLL_STAT_MAX_QTIME,
POLL_STAT_MAX_EXECTIME
} POLL_STAT;
extern void poll_init();
extern int poll_add_dcb(DCB *);
extern int poll_remove_dcb(DCB *);
@ -46,4 +62,5 @@ extern void dShowThreads(DCB *dcb);
void poll_add_epollin_event_to_dcb(DCB* dcb, GWBUF* buf);
extern void dShowEventQ(DCB *dcb);
extern void dShowEventStats(DCB *dcb);
extern int poll_get_stat(POLL_STAT stat);
#endif