0689b3df39
The statistics of the polling system no longer match the implementation it measures. Modified the statistics to better represent the new system by calculating the number of epoll events each thread receives.
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
#pragma once
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/*
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* Copyright (c) 2016 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl.
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*
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* Change Date: 2019-07-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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/**
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* @file poll.h The poll related functionality
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*
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* @verbatim
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* Revision History
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*
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* Date Who Description
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* 19/06/13 Mark Riddoch Initial implementation
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* 17/10/15 Martin Brampton Declare fake event functions
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*
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* @endverbatim
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*/
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#include <maxscale/cdefs.h>
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#include <maxscale/dcb.h>
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#include <maxscale/gwbitmask.h>
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#include <maxscale/resultset.h>
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#include <sys/epoll.h>
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MXS_BEGIN_DECLS
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#define MAX_EVENTS 1000
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/**
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* A statistic identifier that can be returned by poll_get_stat
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*/
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typedef enum
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{
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POLL_STAT_READ,
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POLL_STAT_WRITE,
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POLL_STAT_ERROR,
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POLL_STAT_HANGUP,
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POLL_STAT_ACCEPT,
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POLL_STAT_EVQ_LEN,
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POLL_STAT_EVQ_MAX,
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POLL_STAT_MAX_QTIME,
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POLL_STAT_MAX_EXECTIME
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} POLL_STAT;
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enum poll_message
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{
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POLL_MSG_CLEAN_PERSISTENT = 0x01
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};
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extern void poll_init();
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extern int poll_add_dcb(DCB *);
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extern int poll_remove_dcb(DCB *);
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extern void poll_waitevents(void *);
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extern void poll_shutdown();
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extern GWBITMASK *poll_bitmask();
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extern void poll_set_maxwait(unsigned int);
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extern void poll_set_nonblocking_polls(unsigned int);
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extern void dprintPollStats(DCB *);
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extern void dShowThreads(DCB *dcb);
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extern void poll_add_epollin_event_to_dcb(DCB* dcb, GWBUF* buf);
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extern void dShowEventQ(DCB *dcb);
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extern void dShowEventStats(DCB *dcb);
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extern int poll_get_stat(POLL_STAT stat);
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extern RESULTSET *eventTimesGetList();
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extern void poll_fake_event(DCB *dcb, enum EPOLL_EVENTS ev);
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extern void poll_fake_hangup_event(DCB *dcb);
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extern void poll_fake_write_event(DCB *dcb);
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extern void poll_fake_read_event(DCB *dcb);
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extern void poll_send_message(enum poll_message msg, void *data);
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MXS_END_DECLS
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