[PATCH i-g-t 6/9] trace.pl: Context save only applies to last request of a bunch

[Tvrtko Ursulin <tursulin@ursulin.net>]

From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Skip accounting the context save time for anything but the last request of
the coalesced bunch, and also skip drawing those boxes on the timeline.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
---
 scripts/trace.pl | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/scripts/trace.pl b/scripts/trace.pl
index bd3039511f5d..9bdafa2d7e99 100755
--- a/scripts/trace.pl
+++ b/scripts/trace.pl
@@ -607,7 +607,11 @@ foreach my $key (@sorted_keys) {
 	$min_ctx = $db{$key}->{'ctx'} if not defined $min_ctx or
 					 $db{$key}->{'ctx'} < $min_ctx;
 
-	$db{$key}->{'context-complete-delay'} = $end - $notify;
+	unless (exists $db{$key}->{'no-end'}) {
+		$db{$key}->{'context-complete-delay'} = $end - $notify;
+	} else {
+		$db{$key}->{'context-complete-delay'} = 0;
+	}
 	$db{$key}->{'execute-delay'} = $start - $db{$key}->{'submit'};
 	$db{$key}->{'submit-delay'} = $db{$key}->{'submit'} - $db{$key}->{'queue'};
 	$db{$key}->{'duration'} = $notify - $start;
@@ -624,7 +628,7 @@ foreach my $key (@sorted_keys) {
 
 	$submit_avg{$ring} += $db{$key}->{'submit-delay'};
 	$execute_avg{$ring} += $db{$key}->{'execute-delay'};
-	$ctxsave_avg{$ring} += $end - $notify;
+	$ctxsave_avg{$ring} += $db{$key}->{'context-complete-delay'};
 }
 
 foreach my $ring (sort keys %batch_avg) {
@@ -1062,7 +1066,7 @@ foreach my $key (sort sortQueue keys %db) {
 	}
 
 	# user interrupt to context complete
-	unless (exists $skip_box{'ctxsave'}) {
+	unless (exists $skip_box{'ctxsave'} or exists $db{$key}->{'no-end'}) {
 		$skey = -2 * $max_seqno * $ctx - 2 * $seqno;
 		$style = box_style($ctx, 'ctxsave');
 		my $ctxsave = $db{$key}->{'end'} - $db{$key}->{'notify'};
-- 
2.17.1

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