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Remove memlog and rdtsc

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Neither of these were actively used, so they and any associated tests
were removed.
This commit is contained in:
Esa Korhonen
2017-01-26 12:43:48 +02:00
parent 8d07604436
commit 74225daf46
11 changed files with 1 additions and 922 deletions
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65
include/maxscale/memlog.h
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@ -1,65 +0,0 @@
#pragma once
/*
* Copyright (c) 2016 MariaDB Corporation Ab
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file and at www.mariadb.com/bsl.
*
* Change Date: 2019-07-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2 or later of the General
* Public License.
*/
/**
* @file memlog.h The memory logging mechanism
*
* @verbatim
* Revision History
*
* Date Who Description
* 26/09/14 Mark Riddoch Initial implementation
*
* @endverbatim
*/
#include <maxscale/cdefs.h>
#include <maxscale/spinlock.h>
MXS_BEGIN_DECLS
typedef enum { ML_INT, ML_LONG, ML_LONGLONG, ML_STRING } MEMLOGTYPE;
typedef struct memlog
{
char *name;
SPINLOCK lock;
void *values;
int offset;
int size;
MEMLOGTYPE type;
unsigned int flags;
unsigned int iflags;
struct memlog *next;
} MEMLOG;
/*
* MEMLOG flag bits
*/
#define MLNOAUTOFLUSH 0x0001
/*
* MEMLOG internal flags
*/
#define MLWRAPPED 0x0001
extern MEMLOG *memlog_create(char *, MEMLOGTYPE, int);
extern void memlog_destroy(MEMLOG *);
extern void memlog_set(MEMLOG *, unsigned int);
extern void memlog_log(MEMLOG *, void *);
extern void memlog_flush_all();
extern void memlog_flush(MEMLOG *);
MXS_END_DECLS

60
include/maxscale/rdtsc.h
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@ -1,60 +0,0 @@
#pragma once
/*
* Copyright (c) 2016 MariaDB Corporation Ab
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file and at www.mariadb.com/bsl.
*
* Change Date: 2019-07-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2 or later of the General
* Public License.
*/
/**
* @file rdtsc.h Access the process time-stamp counter
*
* This is an Intel only facilty that is used to access an accurate time
* value, the granularity of which is related to the processor clock speed
* and the overhead for access is much lower than using any system call
* mechanism.
*
*
* @verbatim
* Revision History
*
* Date Who Description
* 19/09/2014 Mark Riddoch Initial implementation
*
* @endverbatim
*/
#include <maxscale/cdefs.h>
MXS_BEGIN_DECLS
typedef unsigned long long CYCLES;
/**
* Get the current time-stamp counter value from the processor. This is the
* count of CPU cyceles as a 64 bit value.
*
* The value returned is related to the clock speed, to obtian a value in
* seconds divide the returned value by the clock frequency for the processor.
*
* Note, on multi-processsor systems care much be taken to avoid the thread
* moving to a different processor when taken succsive value of RDTSC to
* obtian accurate timing. This may be done by setting pocessor affinity for
* the thread. See sched_setaffinity/sched_getaffinity.
*
* @return CPU cycle count
*/
static __inline__ CYCLES rdtsc(void)
{
unsigned long long int x;
__asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));
return x;
}
MXS_END_DECLS