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Clean up usage-statistics display code (ShowUsage and friends). StatFp

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is gone, usage messages now go through elog(DEBUG).
This commit is contained in:
Tom Lane
2001-11-10 23:51:14 +00:00
parent 0c1669c806
commit f6ee99a062
7 changed files with 67 additions and 75 deletions
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29
src/backend/storage/buffer/bufmgr.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v 1.119 2001/11/05 17:46:27 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v 1.120 2001/11/10 23:51:14 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -46,6 +46,7 @@
#include <math.h>
#include <signal.h>
#include "lib/stringinfo.h"
#include "miscadmin.h"
#include "storage/buf_internals.h"
#include "storage/bufmgr.h"
@ -869,14 +870,21 @@ WaitIO(BufferDesc *buf)
long NDirectFileRead; /* some I/O's are direct file access.
* bypass bufmgr */
long NDirectFileWrite; /* e.g., I/O in psort and hashjoin. */
long NDirectFileWrite; /* e.g., I/O in psort and hashjoin. */
void
PrintBufferUsage(FILE *statfp)
/*
* Return a palloc'd string containing buffer usage statistics.
*/
char *
ShowBufferUsage(void)
{
StringInfoData str;
float hitrate;
float localhitrate;
initStringInfo(&str);
if (ReadBufferCount == 0)
hitrate = 0.0;
else
@ -887,16 +895,21 @@ PrintBufferUsage(FILE *statfp)
else
localhitrate = (float) LocalBufferHitCount *100.0 / ReadLocalBufferCount;
fprintf(statfp, "!\tShared blocks: %10ld read, %10ld written, buffer hit rate = %.2f%%\n",
appendStringInfo(&str,
"!\tShared blocks: %10ld read, %10ld written, buffer hit rate = %.2f%%\n",
ReadBufferCount - BufferHitCount, BufferFlushCount, hitrate);
fprintf(statfp, "!\tLocal blocks: %10ld read, %10ld written, buffer hit rate = %.2f%%\n",
appendStringInfo(&str,
"!\tLocal blocks: %10ld read, %10ld written, buffer hit rate = %.2f%%\n",
ReadLocalBufferCount - LocalBufferHitCount, LocalBufferFlushCount, localhitrate);
fprintf(statfp, "!\tDirect blocks: %10ld read, %10ld written\n",
appendStringInfo(&str,
"!\tDirect blocks: %10ld read, %10ld written\n",
NDirectFileRead, NDirectFileWrite);
return str.data;
}
void
ResetBufferUsage()
ResetBufferUsage(void)
{
BufferHitCount = 0;
ReadBufferCount = 0;