diff options
Diffstat (limited to 'tests/fork_test.pl')
| -rwxr-xr-x | tests/fork_test.pl | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/tests/fork_test.pl b/tests/fork_test.pl new file mode 100755 index 00000000000..cd166b84555 --- /dev/null +++ b/tests/fork_test.pl @@ -0,0 +1,247 @@ +#!/usr/bin/perl -w + +# This is a test with uses 5 processes to insert, update and select from +# two tables. +# One inserts records in the tables, one updates some record in it and +# the last 3 does different selects on the tables. +# + +$opt_loop_count=10000; # Change this to make test harder/easier + +##################### Standard benchmark inits ############################## + +use Mysql; +use Getopt::Long; +use Benchmark; + +package main; + +$opt_skip_create=$opt_skip_in=$opt_verbose=$opt_fast_insert= + $opt_lock_tables=$opt_debug=$opt_skip_delete=$opt_fast=$opt_force=0; +$opt_host=""; $opt_db="test"; + +GetOptions("host=s","db=s","loop-count=i","skip-create","skip-in", + "skip-delete","verbose","fast-insert","lock-tables","debug","fast", + "force") || die "Aborted"; +$opt_verbose=$opt_debug=$opt_lock_tables=$opt_fast_insert=$opt_fast=$opt_skip_in=$Mysql::db_errstr=$opt_force=undef; # Ignore warnings from these + +print "Testing 5 multiple connections to a server with 1 insert, 1 update\n"; +print "and 3 select connections.\n"; + + +$firsttable = "bench_f1"; +$secondtable = "bench_f2"; + +#### +#### Start timeing and start test +#### + +$start_time=new Benchmark; +if (!$opt_skip_create) +{ + $dbh = Mysql->Connect($opt_host, $opt_db) || die $Mysql::db_errstr; + $Mysql::QUIET = 1; + $dbh->Query("drop table $firsttable"); + $dbh->Query("drop table $secondtable"); + $Mysql::QUIET = 0; + + print "Creating tables $firsttable and $secondtable in database $opt_db\n"; + $dbh->Query("create table $firsttable (id int(6) not null, info varchar(32), marker char(1), primary key(id))") or die $Mysql::db_errstr; + $dbh->Query("create table $secondtable (id int(6) not null, row int(3) not null,value double, primary key(id,row))") or die $Mysql::db_errstr; + + $dbh=0; # Close handler +} +$|= 1; # Autoflush + +#### +#### Start the tests +#### + +test_1() if (($pid=fork()) == 0); $work{$pid}="insert"; +test_2() if (($pid=fork()) == 0); $work{$pid}="update"; +test_3() if (($pid=fork()) == 0); $work{$pid}="select1"; +test_4() if (($pid=fork()) == 0); $work{$pid}="select2"; +test_5() if (($pid=fork()) == 0); $work{$pid}="select3"; + +$errors=0; +while (($pid=wait()) != -1) +{ + $ret=$?/256; + print "thread '" . $work{$pid} . "' finnished with exit code $ret\n"; + $errors++ if ($ret != 0); +} + +if (!$opt_skip_delete && !$errors) +{ + $dbh = Mysql->Connect($opt_host, $opt_db) || die $Mysql::db_errstr; + $dbh->Query("drop table $firsttable"); + $dbh->Query("drop table $secondtable"); +} +print ($errors ? "Test failed\n" :"Test ok\n"); + +$end_time=new Benchmark; +print "Total time: " . + timestr(timediff($end_time, $start_time),"noc") . "\n"; + +exit(0); + +# +# Insert records in the two tables +# + +sub test_1 +{ + my ($dbh,$tmpvar,$rows,$found,$i); + + $dbh = Mysql->Connect($opt_host, $opt_db) || die $Mysql::db_errstr; + $tmpvar=1; + $rows=$found=0; + for ($i=0 ; $i < $opt_loop_count; $i++) + { + $tmpvar^= ((($tmpvar + 63) + $i)*3 % 100000); + $sth=$dbh->Query("insert into $firsttable values ($i,'This is entry $i','')") || die "Got error on insert: $Mysql::db_errstr\n"; + $row_count=($i % 7)+1; + $rows+=1+$row_count; + for ($j=0 ; $j < $row_count; $j++) + { + $sth=$dbh->Query("insert into $secondtable values ($i,$j,0)") || die "Got error on insert: $Mysql::db_errstr\n"; + } + if (($tmpvar % 10) == 0) + { + $sth=$dbh->Query("select max(info) from $firsttable") || die "Got error on select max(info): $Mysql::db_errstr\n"; + $sth=$dbh->Query("select max(value) from $secondtable") || die "Got error on select max(info): $Mysql::db_errstr\n"; + $found+=2; + } + } + $dbh=0; + print "Test_1: Inserted $rows rows, found $found rows\n"; + exit(0); +} + +# +# Update records in both tables +# + +sub test_2 +{ + my ($dbh,$id,$tmpvar,$rows,$found,$i,$max_id,$tmp); + + $dbh = Mysql->Connect($opt_host, $opt_db) || die $Mysql::db_errstr; + $tmpvar=111111; + $rows=$found=$max_id=$id=0; + for ($i=0 ; $i < $opt_loop_count ; $i++) + { + $tmp=(($tmpvar + 63) + $i)*3; + $tmp=$tmp-int($tmp/100000)*100000; + $tmpvar^= $tmp; + $tmp=$tmpvar - int($tmpvar/10)*10; + if ($max_id < 2 || $tmp == 0) + { + $max_id=0; + $sth=$dbh->Query("select max(id) from $firsttable where marker=''") || die "Got error select max: $Mysql::db_errstr\n"; + if ((@row = $sth->FetchRow()) && defined($row[0])) + { + $found++; + $max_id=$id=$row[0]; + } + } + else + { + $id= $tmpvar % ($max_id-1)+1; + } + if ($id) + { + $sth=$dbh->Query("update $firsttable set marker='x' where id=$id") || die "Got error update $firsttable: $Mysql::db_errstr\n"; + $rows+=$sth->affected_rows; + if ($sth->affected_rows) + { + $sth=$dbh->Query("update $secondtable set value=$i where id=$id") || die "Got error update $firsttable: $Mysql::db_errstr\n"; + $rows+=$sth->affected_rows; + } + } + } + $dbh=0; + print "Test_2: Found $found rows, Updated $rows rows\n"; + exit(0); +} + + +# +# select records +# + +sub test_3 +{ + my ($dbh,$id,$tmpvar,$rows,$i); + $dbh = Mysql->Connect($opt_host, $opt_db) || die $Mysql::db_errstr; + $tmpvar=222222; + $rows=0; + for ($i=0 ; $i < $opt_loop_count ; $i++) + { + $tmpvar^= ((($tmpvar + 63) + $i)*3 % 100000); + $id=$tmpvar % $opt_loop_count; + $sth=$dbh->Query("select id from $firsttable where id=$id") || die "Got error on select from $firsttable: $Mysql::db_errstr\n"; + $rows+=$sth->numrows; + } + $dbh=0; + print "Test_3: Found $rows rows\n"; + exit(0); +} + + +# +# Note that this uses row=1 and in some cases won't find any matching +# records +# + +sub test_4 +{ + my ($dbh,$id,$tmpvar,$rows,$i); + $dbh = Mysql->Connect($opt_host, $opt_db) || die $Mysql::db_errstr; + $tmpvar=333333; + $rows=0; + for ($i=0 ; $i < $opt_loop_count; $i++) + { + $tmpvar^= ((($tmpvar + 63) + $i)*3 % 100000); + $id=$tmpvar % $opt_loop_count; + $sth=$dbh->Query("select id from $secondtable where id=$id") || die "Got error on select form $secondtable: $Mysql::db_errstr\n"; + $rows+=$sth->numrows; + } + $dbh=0; + print "Test_4: Found $rows rows\n"; + exit(0); +} + + +sub test_5 +{ + my ($dbh,$id,$tmpvar,$rows,$i,$max_id); + $dbh = Mysql->Connect($opt_host, $opt_db) || die $Mysql::db_errstr; + $tmpvar=444444; + $rows=$max_id=0; + for ($i=0 ; $i < $opt_loop_count ; $i++) + { + $tmpvar^= ((($tmpvar + 63) + $i)*3 % 100000); + if ($max_id == 0 || ($tmpvar % 10 == 0)) + { + $sth=$dbh->Query("select max(id) from $firsttable") || die "Got error select max: $Mysql::db_errstr\n"; + if ((@row = $sth->FetchRow()) && defined($row[0])) + { + $max_id=$id=$row[0]; + } + else + { + $id=0; + } + } + else + { + $id= $tmpvar % $max_id; + } + $sth=$dbh->Query("select value from $firsttable,$secondtable where $firsttable.id=$id and $secondtable.id=$firsttable.id") || die "Got error on select form $secondtable: $Mysql::db_errstr\n"; + $rows+=$sth->numrows; + } + $dbh=0; + print "Test_5: Found $rows rows\n"; + exit(0); +} |