зеркало из https://github.com/mozilla/gecko-dev.git
Separate tests for reading and writing.
This commit is contained in:
gordon%netscape.com
Родитель
56736e0108
Коммит
cec42466c4
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@ -1,13 +1,26 @@
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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Subject:
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Date:
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Thu, 11 Jan 2001 16:38:10 -0800
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From:
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Doug Turner <dougt@z.netscape.com>
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To:
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gordon@netscape.com
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*/
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is nsCacheManager.h, released January 22, 2001.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 2001 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Doug Turner
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* Gordon Sheridan
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*/
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#include "nscore.h"
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@ -15,83 +28,90 @@ Subject:
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#include "mcom_db.h"
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#include "nsString.h"
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DB* myDB;
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#define DATASIZE 512
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#define ENTRYCOUNT 512
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#define USE_ENTRY_ID 1
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#define EXTRA_LOOKUP 1
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DB* myDB;
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HASHINFO hash_info = {
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16*1024 , /* bucket size */
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0 , /* fill factor */
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0 , /* number of elements */
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0 , /* bytes to cache */
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0 , /* hash function */
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0} ; /* byte order */
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int writeDBM(int cycles)
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{
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DBT db_key, db_data ;
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PRIntervalTime time = PR_IntervalNow();
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while (cycles--) {
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// create database file
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myDB = dbopen("/tmp/foodb",
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O_RDWR | O_CREAT ,
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0600 ,
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DB_HASH ,
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&hash_info) ;
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if (!myDB) {
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printf("no db!\n");
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return -1;
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}
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// initalize data to write
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int x;
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char * data = (char*) malloc(DATASIZE);
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for (x=0; x<DATASIZE; x++)
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*data = '\0';
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for (x=1; x<=ENTRYCOUNT; x++) {
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nsCAutoString keyName("foo");
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keyName.AppendInt( x );
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db_key.data = (char*)keyName;
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db_key.size = keyName.Length();
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db_data.data = data;
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db_data.size = DATASIZE ;
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if(0 != (*myDB->put)(myDB, &db_key, &db_data, 0)) {
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printf("--> Error putting\n");
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return -1;
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}
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#if USE_ENTRY_ID
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db_key.data = (void*)&x;
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db_key.size = sizeof(x);
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db_data.data = (char*)keyName;
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db_data.size = keyName.Length();
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if(0 != (*myDB->put)(myDB, &db_key, &db_data, 0)) {
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printf("--> Error putting\n");
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return -1;
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}
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#endif
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}
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(*myDB->sync)(myDB, 0);
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free(data);
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}
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return PR_IntervalToMilliseconds( PR_IntervalNow() - time);
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}
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int
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testDBM(int cycles)
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readDBM(int cycles)
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{
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// create database file
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HASHINFO hash_info = {
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16*1024 , /* bucket size */
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0 , /* fill factor */
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0 , /* number of elements */
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0 , /* bytes to cache */
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0 , /* hash function */
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0} ; /* byte order */
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myDB = dbopen("/tmp/foodb",
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O_RDWR | O_CREAT ,
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0600 ,
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DB_HASH ,
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&hash_info) ;
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if (!myDB) {
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printf("no db!\n");
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return -1;
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}
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// initalize data to write
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int x;
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char * data = (char*) malloc(DATASIZE);
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for (x=0; x<DATASIZE; x++)
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*data = '\0';
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// write key-data pairs to database
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DBT db_key, db_data ;
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for (x=1; x<=ENTRYCOUNT; x++) {
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nsCAutoString keyName("foo");
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keyName.AppendInt( x );
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db_key.data = (char*)keyName;
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db_key.size = keyName.Length();
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db_data.data = data;
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db_data.size = DATASIZE ;
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if(0 != (*myDB->put)(myDB, &db_key, &db_data, 0)) {
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printf("--> Error putting\n");
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return -1;
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}
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#if USE_ENTRY_ID
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db_key.data = (void*)&x;
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db_key.size = sizeof(x);
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db_data.data = (char*)keyName;
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db_data.size = keyName.Length();
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if(0 != (*myDB->put)(myDB, &db_key, &db_data, 0)) {
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printf("--> Error putting\n");
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return -1;
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}
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#endif
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}
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(*myDB->sync)(myDB, 0);
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free(data);
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// begin timing "lookups"
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int status = 0 ;
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DBT db_key, db_data ;
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PRIntervalTime time = PR_IntervalNow();
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while (cycles--) {
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for (x=1; x<=ENTRYCOUNT; x++) {
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for (int x=1; x<=ENTRYCOUNT; x++) {
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#if USE_ENTRY_ID
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DBT entry_data;
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@ -116,6 +136,17 @@ testDBM(int cycles)
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printf("Bad Status %d\n", status);
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return -1;
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}
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#if EXTRA_LOOKUP
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db_key.data = (void*)&x;
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db_key.size = sizeof(x);
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status = (*myDB->get)(myDB, &db_key, &entry_data, 0);
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if(status != 0) {
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printf("Bad Status %d\n", status);
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return -1;
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}
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#endif
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}
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}
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(*myDB->sync)(myDB, 0);
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@ -126,7 +157,7 @@ testDBM(int cycles)
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int
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testFile(int cycles)
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writeFile(int cycles)
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{
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FILE* file;
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int fStatus;
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@ -134,39 +165,51 @@ testFile(int cycles)
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char * data = (char*) malloc(DATASIZE);
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for (x=0; x<DATASIZE; x++)
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*data = '\0';
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// create "cache" directories
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mkdir("/tmp/foo", 0755);
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for (x=0; x<32; x++) {
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nsCAutoString filename; filename.Assign("/tmp/foo/");
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filename.AppendInt(x);
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mkdir(filename, 0755);
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}
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// create "cache" files
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for (x=1; x<=ENTRYCOUNT; x++) {
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nsCAutoString filename; filename.Assign("/tmp/foo/");
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filename.AppendInt( x % 32 );
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filename.Append("/");
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filename.AppendInt( x );
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PRIntervalTime time = PR_IntervalNow();
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while (cycles--) {
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// create "cache" directories
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mkdir("/tmp/foo", 0755);
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file = fopen(filename, "w");
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if (!file)
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printf("bad filename? %s\n", (char*)filename);
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for (x=0; x<32; x++) {
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nsCAutoString filename; filename.Assign("/tmp/foo/");
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filename.AppendInt(x);
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mkdir(filename, 0755);
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}
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fStatus = fwrite (data, DATASIZE, 1, file);
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if (fStatus == -1) {
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printf("Bad fStatus %d\n", errno);
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exit(1);
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}
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fclose(file);
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// create "cache" files
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for (x=1; x<=ENTRYCOUNT; x++) {
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nsCAutoString filename; filename.Assign("/tmp/foo/");
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filename.AppendInt( x % 32 );
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filename.Append("/");
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filename.AppendInt( x );
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file = fopen(filename, "w");
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if (!file)
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printf("bad filename? %s\n", (char*)filename);
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fStatus = fwrite (data, DATASIZE, 1, file);
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if (fStatus == -1) {
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printf("Bad fStatus %d\n", errno);
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exit(1);
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}
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fclose(file);
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}
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}
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return PR_IntervalToMilliseconds( PR_IntervalNow() - time);
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}
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int
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readFile(int cycles)
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{
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FILE* file;
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int fStatus;
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// begin timing "lookups"
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PRIntervalTime time = PR_IntervalNow();
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while (cycles--) {
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for (x=1; x<=ENTRYCOUNT; x++) {
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for (int x=1; x<=ENTRYCOUNT; x++) {
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nsCAutoString filename; filename.Assign("/tmp/foo/");
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filename.AppendInt( x % 32 );
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filename.Append("/");
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@ -194,13 +237,22 @@ testFile(int cycles)
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}
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void
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int
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main(void)
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{
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int totalDBMTime = testDBM(32);
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int totalFileTime = testFile(32);
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int totalDBMTime = writeDBM(32);
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int totalFileTime = writeFile(32);
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printf("total dbm IO ---- > (%d) milliseconds\n", totalDBMTime);
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printf("total file IO ---- > (%d) milliseconds\n", totalFileTime);
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printf("total write dbm IO ---- > (%d) milliseconds\n", totalDBMTime);
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printf("total write file IO ---- > (%d) milliseconds\n", totalFileTime);
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totalDBMTime = readDBM(32);
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totalFileTime = readFile(32);
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printf("\n");
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printf("total read dbm IO ---- > (%d) milliseconds\n", totalDBMTime);
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printf("total read file IO ---- > (%d) milliseconds\n", totalFileTime);
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return 0;
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}
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