[stable31] Fix distributing staged stats when not updated three times in a row #14450
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Signed-off-by: Daniel Calviño Sánchez <[email protected]>
The stats were supposed to be distributed once they had changed, but in practice they were always distributed, as the packet count is absolute rather than relative. Nevertheless, if the packet count did not change distributing them would have no effect. The problem could appear in the (rare) case of the timestamps not being updated three times in a row, as the distribution algorithm failed if the final timestamp was the same as the initial timestamp (causing NaN to be set for the packets and packets lost). Due to all that now the staged stats are always distributed before being commited (which is still done when the stats stalled for two seconds), although the distribution exits early if the timestamps did not change. Signed-off-by: Daniel Calviño Sánchez <[email protected]>
danxuliu
approved these changes
Feb 19, 2025
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Backport of PR #14419