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Windows, mtr - correctly determine CPU count, for --parallel=auto

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This commit is contained in:
Vladislav Vaintroub
2018-02-14 16:52:18 +00:00
parent c6e35276f1
commit 46496b1a8c
1 changed files with 11 additions and 6 deletions
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17
mysql-test/mysql-test-run.pl
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@ -431,16 +431,21 @@ sub main {
my $num_tests= @$tests;
if ( $opt_parallel eq "auto" ) {
# Try to find a suitable value for number of workers
my $sys_info= My::SysInfo->new();
$opt_parallel= $sys_info->num_cpus();
for my $limit (2000, 1500, 1000, 500){
$opt_parallel-- if ($sys_info->min_bogomips() < $limit);
if (IS_WINDOWS)
{
$opt_parallel= $ENV{NUMBER_OF_PROCESSORS} || 1;
}
else
{
my $sys_info= My::SysInfo->new();
$opt_parallel= $sys_info->num_cpus();
for my $limit (2000, 1500, 1000, 500){
$opt_parallel-- if ($sys_info->min_bogomips() < $limit);
}
}
my $max_par= $ENV{MTR_MAX_PARALLEL} || 8;
$opt_parallel= $max_par if ($opt_parallel > $max_par);
$opt_parallel= $num_tests if ($opt_parallel > $num_tests);
$opt_parallel= 1 if (IS_WINDOWS and $sys_info->isvm());
$opt_parallel= 1 if ($opt_parallel < 1);
mtr_report("Using parallel: $opt_parallel");
}