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This patch against 8.0.0beta1 source adds log_line_prefix options for

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millisecond timestamps (%m) and remote host (%h). The milliseconds are
useful for QPS measurements.

Ed L.
This commit is contained in:
Bruce Momjian
2005-06-09 22:29:52 +00:00
parent 7974c35020
commit 6c2ba14d8d
3 changed files with 45 additions and 3 deletions
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33
src/backend/utils/error/elog.c
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@ -42,7 +42,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.158 2005/03/12 01:54:44 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.159 2005/06/09 22:29:52 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -1375,6 +1375,33 @@ log_line_prefix(StringInfo buf)
case 'l':
appendStringInfo(buf, "%ld", log_line_number);
break;
case 'm':
{
time_t stamp_time;
char strfbuf[128], msbuf[5];
struct timeval tv;
gettimeofday(&tv, NULL);
stamp_time = tv.tv_sec;
strftime(strfbuf, sizeof(strfbuf),
/* leave room for milliseconds... */
/* Win32 timezone names are too long so don't print them. */
#ifndef WIN32
"%Y-%m-%d %H:%M:%S %Z",
#else
"%Y-%m-%d %H:%M:%S ",
#endif
localtime(&stamp_time));
/* 'paste' milliseconds into place... */
sprintf(msbuf, ".%03d",
(int)(tv.tv_usec/1000));
strncpy(strfbuf+19, msbuf, 4);
appendStringInfoString(buf, strfbuf);
}
break;
case 't':
{
/*
@ -1426,6 +1453,10 @@ log_line_prefix(StringInfo buf)
MyProcPort->remote_port);
}
break;
case 'h':
if (MyProcPort)
appendStringInfo(buf, "%s", MyProcPort->remote_host);
break;
case 'q':
/* in postmaster and friends, stop if %q is seen */
/* in a backend, just ignore */