Wow, 300+ ms copying bytes (the blob) from a shmem into a rust vec, and about twice as much writing into the shmem on the content side. The blob image is very large. It looks like we serialize some big source surfaces into the recording.
Bug 1663387 Comment 4 Edit History
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Wow, 300+ ms copying bytes (the blob) from a shmem into a rust vec, and about twice as much writing into the shmem on the content side. The blob image is very large. It looks like we serialize some big source surfaces into the recording. The slowness appears to be coming from a blob mask