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Andreas Ziegler 745e536ed3 tools/tracing/rtla: osnoise_hist: use total duration for average calculation
[ Upstream commit fe137a4fe0 ]

Sampled durations must be weighted by observed quantity, to arrive at a correct
average duration value.

Perform calculation of total duration by summing (duration * count).

Link: https://lkml.kernel.org/r/20230103103400.275566-2-br015@umbiko.net

Fixes: 829a6c0b56 ("rtla/osnoise: Add the hist mode")

Signed-off-by: Andreas Ziegler <br015@umbiko.net>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-03-10 09:28:43 +01:00
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