commit | 12efa1fa43968fcb707e806dc119df499c17ac2c | [log] [tgz] |
---|---|---|
author | Eric Dumazet <edumazet@google.com> | Fri Dec 02 08:11:00 2016 -0800 |
committer | David S. Miller <davem@davemloft.net> | Sat Dec 03 16:12:17 2016 -0500 |
tree | 1af0100515470e6aa6a942f0d13ff51529efbc81 | |
parent | e01b16a7e217a23eb97e08d0a591735d5aee5efc [diff] |
net_sched: gen_estimator: account for timer drifts Under heavy stress, timer used in estimators tend to slowly be delayed by a few jiffies, leading to inaccuracies. Lets remember what was the last scheduled jiffies so that we get more precise estimations, without having to add a multiply/divide in the loop to account for the drifts. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>