Changes to threadtest3 so that "stress2" is more similar to the SDS stress test.

FossilOrigin-Name: 5648af96d8e2521c5b0cca19f1358374d032394d

manifest

@@ -1,5 +1,5 @@
-C Add\snew\stest\sfile\se_walauto.test.
+C Changes\sto\sthreadtest3\sso\sthat\s"stress2"\sis\smore\ssimilar\sto\sthe\sSDS\sstress\stest.
-D 2014-12-15T16:27:12.622
+D 2014-12-15T20:49:26.942
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 6c4f961fa91d0b4fa121946a19f9e5eac2f2f809
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -913,7 +913,7 @@ F test/thread2.test f35d2106452b77523b3a2b7d1dcde2e5ee8f9e46
 F test/thread_common.tcl 334639cadcb9f912bf82aa73f49efd5282e6cadd
 F test/threadtest1.c 6029d9c5567db28e6dc908a0c63099c3ba6c383b
 F test/threadtest2.c ace893054fa134af3fc8d6e7cfecddb8e3acefb9
-F test/threadtest3.c c8629f836331dd4e5d6ef514b6696605cb593135
+F test/threadtest3.c f8c6595664a4c5ef5f28d97a612386fe14dd1940
 F test/threadtest4.c c1e67136ceb6c7ec8184e56ac61db28f96bd2925
 F test/tkt-02a8e81d44.test 6c80d9c7514e2a42d4918bf87bf6bc54f379110c
 F test/tkt-26ff0c2d1e.test 888324e751512972c6e0d1a09df740d8f5aaf660
@@ -1080,7 +1080,7 @@ F test/triggerE.test 355e9c5cbaed5cd039a60baad1fb2197caeb8e52
 F test/tt3_checkpoint.c 5e63ee65ed5f87176e25a996480cb02c6caec8b4
 F test/tt3_index.c 39eec10a35f57672225be4d182862152896dee4a
 F test/tt3_lookaside1.c 0377e202c3c2a50d688cb65ba203afeda6fafeb9
-F test/tt3_stress.c edbb00ed1516535691040315e97cf32c62df22d0
+F test/tt3_stress.c c57d804716165811d979d4a719e05baccd79277f
 F test/tt3_vacuum.c 1753f45917699c9c1f66b64c717a717c9379f776
 F test/types.test bf816ce73c7dfcfe26b700c19f97ef4050d194ff
 F test/types2.test 3555aacf8ed8dc883356e59efc314707e6247a84
@@ -1232,7 +1232,10 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 1d44f1b1a9fefeb2449892775c59765c46784eb1
+P 62ef45140cdbff5eeb8bef506db8b78ced3ace94
-R 10b3e0524cfe98a487f450c2b23f40b1
+R 9a6502f6d41e6a843f5a509613ed553f
+T *branch * threadtest3
+T *sym-threadtest3 *
+T -sym-trunk *
 U dan
-Z 762d85cad7a4c7a6623b46eb7c11e324
+Z 02118ab9cf865ac1e1c9e40290c79fe8

manifest.uuid

@@ -1 +1 @@
-62ef45140cdbff5eeb8bef506db8b78ced3ace94
+5648af96d8e2521c5b0cca19f1358374d032394d

test/threadtest3.c

@@ -121,7 +121,10 @@ struct MD5Context {
   int isInit;
   uint32 buf[4];
   uint32 bits[2];
+  union {
     unsigned char in[64];
+    uint32 in32[16];
+  } u;
 };
 typedef struct MD5Context MD5Context;
 
@@ -270,7 +273,7 @@ void MD5Update(MD5Context *ctx, const unsigned char *buf, unsigned int len){
   /* Handle any leading odd-sized chunks */
 
   if ( t ) {
-    unsigned char *p = (unsigned char *)ctx->in + t;
+    unsigned char *p = (unsigned char *)ctx->u.in + t;
 
     t = 64-t;
     if (len < t) {
@@ -278,8 +281,8 @@ void MD5Update(MD5Context *ctx, const unsigned char *buf, unsigned int len){
       return;
     }
     memcpy(p, buf, t);
-    byteReverse(ctx->in, 16);
+    byteReverse(ctx->u.in, 16);
-    MD5Transform(ctx->buf, (uint32 *)ctx->in);
+    MD5Transform(ctx->buf, (uint32 *)ctx->u.in);
     buf += t;
     len -= t;
   }
@@ -287,16 +290,16 @@ void MD5Update(MD5Context *ctx, const unsigned char *buf, unsigned int len){
   /* Process data in 64-byte chunks */
 
   while (len >= 64) {
-    memcpy(ctx->in, buf, 64);
+    memcpy(ctx->u.in, buf, 64);
-    byteReverse(ctx->in, 16);
+    byteReverse(ctx->u.in, 16);
-    MD5Transform(ctx->buf, (uint32 *)ctx->in);
+    MD5Transform(ctx->buf, (uint32 *)ctx->u.in);
     buf += 64;
     len -= 64;
   }
 
   /* Handle any remaining bytes of data. */
 
-  memcpy(ctx->in, buf, len);
+  memcpy(ctx->u.in, buf, len);
 }
 
 /*
@@ -312,7 +315,7 @@ static void MD5Final(unsigned char digest[16], MD5Context *ctx){
 
   /* Set the first char of padding to 0x80.  This is safe since there is
      always at least one byte free */
-  p = ctx->in + count;
+  p = ctx->u.in + count;
   *p++ = 0x80;
 
   /* Bytes of padding needed to make 64 bytes */
@@ -322,22 +325,22 @@ static void MD5Final(unsigned char digest[16], MD5Context *ctx){
   if (count < 8) {
     /* Two lots of padding:  Pad the first block to 64 bytes */
     memset(p, 0, count);
-    byteReverse(ctx->in, 16);
+    byteReverse(ctx->u.in, 16);
-    MD5Transform(ctx->buf, (uint32 *)ctx->in);
+    MD5Transform(ctx->buf, (uint32 *)ctx->u.in);
 
     /* Now fill the next block with 56 bytes */
-    memset(ctx->in, 0, 56);
+    memset(ctx->u.in, 0, 56);
   } else {
     /* Pad block to 56 bytes */
     memset(p, 0, count-8);
   }
-  byteReverse(ctx->in, 14);
+  byteReverse(ctx->u.in, 14);
 
   /* Append length in bits and transform */
-  ((uint32 *)ctx->in)[ 14 ] = ctx->bits[0];
+  ctx->u.in32[14] = ctx->bits[0];
-  ((uint32 *)ctx->in)[ 15 ] = ctx->bits[1];
+  ctx->u.in32[15] = ctx->bits[1];
 
-  MD5Transform(ctx->buf, (uint32 *)ctx->in);
+  MD5Transform(ctx->buf, (uint32 *)ctx->u.in);
   byteReverse((unsigned char *)ctx->buf, 4);
   memcpy(digest, ctx->buf, 16);
   memset(ctx, 0, sizeof(*ctx));    /* In case it is sensitive */
@@ -1445,7 +1448,7 @@ int main(int argc, char **argv){
     { lookaside1,          "lookaside1", 10000 },
     { vacuum1,             "vacuum1", 10000 },
     { stress1,             "stress1", 10000 },
-    { stress2,             "stress2", 10000 },
+    { stress2,             "stress2", 60000 },
   };
 
   int i;

test/tt3_stress.c

@@ -124,7 +124,6 @@ static char *stress_thread_5(int iTid, void *pArg){
     i1++;
     if( err.rc ) i2++;
     clear_error(&err, SQLITE_LOCKED);
-    clear_error(&err, SQLITE_ERROR);
   }
   closedb(&err, &db);
   print_and_free_err(&err);
@@ -184,73 +183,66 @@ static void stress1(int nMs){
 ** 19. Open and close database connections rapidly.
 */
 
-#define STRESS2_TABCNT 5
+#define STRESS2_TABCNT 5          /* count1 in SDS test */
+
+#define STRESS2_COUNT2 200        /* count2 in SDS test */
+#define STRESS2_COUNT3  57        /* count2 in SDS test */
 
 static void stress2_workload1(Error *pErr, Sqlite *pDb, int i){
-  int iTab = (i % STRESS2_TABCNT);
+  int iTab = (i % (STRESS2_TABCNT-1)) + 1;
   sql_script_printf(pErr, pDb, 
       "CREATE TABLE IF NOT EXISTS t%d(x PRIMARY KEY, y, z);", iTab
   );
 }
 
 static void stress2_workload2(Error *pErr, Sqlite *pDb, int i){
-  int iTab = (i % STRESS2_TABCNT);
+  int iTab = (i % (STRESS2_TABCNT-1)) + 1;
   sql_script_printf(pErr, pDb, "DROP TABLE IF EXISTS t%d;", iTab);
 }
 
 static void stress2_workload3(Error *pErr, Sqlite *pDb, int i){
-  int iTab = (i % STRESS2_TABCNT);
+  sql_script(pErr, pDb, "SELECT * FROM t0 WHERE z = 'small'");
-  sql_script_printf(pErr, pDb, "SELECT * FROM t%d WHERE z = 'small'", iTab);
 }
 
 static void stress2_workload4(Error *pErr, Sqlite *pDb, int i){
-  int iTab = (i % STRESS2_TABCNT);
+  sql_script(pErr, pDb, "SELECT * FROM t0 WHERE z = 'big'");
-  sql_script_printf(pErr, pDb, "SELECT * FROM t%d WHERE z = 'big'", iTab);
 }
 
 static void stress2_workload5(Error *pErr, Sqlite *pDb, int i){
-  int iTab = (i % STRESS2_TABCNT);
+  sql_script(pErr, pDb,
-  sql_script_printf(pErr, pDb,
+      "INSERT INTO t0 VALUES(hex(random()), hex(randomblob(200)), 'small');"
-      "INSERT INTO t%d VALUES(random(), hex(randomblob(57)), 'small');", iTab
   );
 }
 
 static void stress2_workload6(Error *pErr, Sqlite *pDb, int i){
-  int iTab = (i % STRESS2_TABCNT);
+  sql_script(pErr, pDb,
-  sql_script_printf(pErr, pDb,
+      "INSERT INTO t0 VALUES(hex(random()), hex(randomblob(57)), 'big');"
-      "INSERT INTO t%d VALUES(random(), hex(randomblob(2000)), 'big');", iTab
   );
 }
 
 static void stress2_workload7(Error *pErr, Sqlite *pDb, int i){
-  int iTab = (i % STRESS2_TABCNT);
   sql_script_printf(pErr, pDb,
-      "UPDATE t%d SET y = hex(randomblob(57)) "
+      "UPDATE t0 SET y = hex(randomblob(200)) "
-      "WHERE (x %% 5)==(%d %% 5) AND z='small';"
+      "WHERE x LIKE hex((%d %% 5)) AND z='small';"
-      ,iTab, i
+      ,i
   );
 }
 static void stress2_workload8(Error *pErr, Sqlite *pDb, int i){
-  int iTab = (i % STRESS2_TABCNT);
   sql_script_printf(pErr, pDb,
-      "UPDATE t%d SET y = hex(randomblob(2000)) "
+      "UPDATE t0 SET y = hex(randomblob(57)) "
-      "WHERE (x %% 5)==(%d %% 5) AND z='big';"
+      "WHERE x LIKE hex(%d %% 5) AND z='big';"
-      ,iTab, i
+      ,i
   );
 }
 
 static void stress2_workload9(Error *pErr, Sqlite *pDb, int i){
-  int iTab = (i % STRESS2_TABCNT);
   sql_script_printf(pErr, pDb,
-      "DELETE FROM t%d WHERE (x %% 5)==(%d %% 5) AND z='small';"
+      "DELETE FROM t0 WHERE x LIKE hex(%d %% 5) AND z='small';", i
-      ,iTab, i
   );
 }
 static void stress2_workload10(Error *pErr, Sqlite *pDb, int i){
-  int iTab = (i % STRESS2_TABCNT);
   sql_script_printf(pErr, pDb,
-      "DELETE FROM t%d WHERE (x %% 5)==(%d %% 5) AND z='big';"
+      "DELETE FROM t0 WHERE x LIKE hex(%d %% 5) AND z='big';", i
-      ,iTab, i
   );
 }
 
@@ -296,14 +288,17 @@ static char *stress2_thread_wrapper(int iTid, void *pArg){
   int i1 = 0;
   int i2 = 0;
 
-  opendb(&err, &db, pCtx->zDb, 0);
   while( !timetostop(&err) ){
+    int cnt;
+    opendb(&err, &db, pCtx->zDb, 0);
+    for(cnt=0; err.rc==SQLITE_OK && cnt<STRESS2_TABCNT; cnt++){
       pCtx->xProc(&err, &db, i1);
       i2 += (err.rc==SQLITE_OK);
       clear_error(&err, SQLITE_LOCKED);
-    clear_error(&err, SQLITE_ERROR);
       i1++;
     }
+    closedb(&err, &db);
+  }
 
   print_and_free_err(&err);
   return sqlite3_mprintf("ok %d/%d", i2, i1);
@@ -339,21 +334,19 @@ static void stress2(int nMs){
     { stress2_workload14 },
     { stress2_workload17 },
   };
-  const char *azDb[] = {
+  const char *zDb = "test.db";
-    "test.db",
-    "file::memory:?cache=shared"
-  };
-  int j;
 
-  for(j=0; j<sizeof(azDb)/sizeof(azDb[0]); j++){
   int i;
   Error err = {0};
   Sqlite db = {0};
   Threadset threads = {0};
-    const char *zDb = azDb[j];
 
   /* To make sure the db file is empty before commencing */
   opendb(&err, &db, zDb, 1);
+  sql_script(&err, &db, 
+      "CREATE TABLE IF NOT EXISTS t0(x PRIMARY KEY, y, z);"
+      "CREATE INDEX IF NOT EXISTS i0 ON t0(y);"
+  );
   closedb(&err, &db);
 
   setstoptime(&err, nMs);
@@ -368,12 +361,6 @@ static void stress2(int nMs){
   join_all_threads(&err, &threads);
   sqlite3_enable_shared_cache(0);
   print_and_free_err(&err);
-    if( j==0 ){
-      printf("Running stress2 (again, with in-memory db) for %d seconds...\n",
-          nMs / 1000
-      );
-    }
-  }
 }