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test-driver: Adds time it took to connect to guest in logs

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This will make it possible to track whether the time is generous or not
when ran on hydra.
This commit is contained in:
Samuel Dionne-Riel 2019-01-08 21:18:27 -05:00
parent eebd1a9263
commit 1fe0018df8
1 changed files with 4 additions and 0 deletions
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4
nixos/lib/test-driver/Machine.pm
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@ -10,6 +10,7 @@ use Cwd;
use File::Basename;
use File::Path qw(make_path);
use File::Slurp;
use Time::HiRes qw(clock_gettime CLOCK_MONOTONIC);
my $showGraphics = defined $ENV{'DISPLAY'};
@ -249,12 +250,15 @@ sub connect {
$self->start;
my $now = clock_gettime(CLOCK_MONOTONIC);
local $SIG{ALRM} = sub { die "timed out waiting for the VM to connect\n"; };
alarm 300;
readline $self->{socket} or die "the VM quit before connecting\n";
alarm 0;
$self->log("connected to guest root shell");
# We're interested in tracking how close we are to `alarm`.
$self->log(sprintf("(connecting took %.2f seconds)", clock_gettime(CLOCK_MONOTONIC) - $now));
$self->{connected} = 1;
});