[igt-dev] [PATCH i-g-t 7/8] trace.pl: Basic preemption support

[John Harrison]

On 7/18/2018 2:45 AM, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
>
> Just forget about earlier request_in events.
>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> ---
>   scripts/trace.pl | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/scripts/trace.pl b/scripts/trace.pl
> index 60d42865acbd..41bedeefb776 100755
> --- a/scripts/trace.pl
> +++ b/scripts/trace.pl
> @@ -408,7 +408,9 @@ 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};
>   

I've definitely r-b'd this one before too. And no changes so still...

Reviewed-by: John Harrison<John.C.Harrison at Intel.com>

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