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[i-g-t,10/11] trace.pl: Basic preemption support

Message ID 20180709132004.14468-11-tvrtko.ursulin@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tvrtko Ursulin July 9, 2018, 1:20 p.m. UTC 
From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Just forget about earlier request_in events.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
---
 scripts/trace.pl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/scripts/trace.pl b/scripts/trace.pl
index 6379dace5743..5da5f5a14104 100755
--- a/scripts/trace.pl
+++ b/scripts/trace.pl
@@ -438,7 +438,9 @@  while (<>) {
 	} elsif ($tp_name eq 'i915:i915_request_in:') {
 		my %req;
 
-		die if exists $db{$key};
+		# preemption
+		delete $db{$key} if exists $db{$key};
+
 		die unless exists $queue{$key};
 		die unless exists $submit{$key};