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| author |   Eric Dumazet <edumazet@google.com> | 2016-08-26 12:50:39 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-08-30 22:17:20 -0700 |
| commit | 41852497a9205964b958a245a9526040b980926f (patch) | |
| tree | da16e7cc6a3717afa785961be2fc72c4d70e13e2 /net/ipv4/route.c | |
| parent | ixgbe: Eliminate useless message and improve logic (diff) | |
| download | linux-dev-41852497a9205964b958a245a9526040b980926f.tar.xz linux-dev-41852497a9205964b958a245a9526040b980926f.zip | |
net: batch calls to flush_all_backlogs()
After commit 145dd5f9c88f ("net: flush the softnet backlog in process
context"), we can easily batch calls to flush_all_backlogs() for all
devices processed in rollback_registered_many()
Tested:
Before patch, on an idle host.
modprobe dummy numdummies=10000
perf stat -e context-switches -a rmmod dummy
Performance counter stats for 'system wide':
1,211,798 context-switches
1.302137465 seconds time elapsed
After patch:
perf stat -e context-switches -a rmmod dummy
Performance counter stats for 'system wide':
225,523 context-switches
0.721623566 seconds time elapsed
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/route.c')
0 files changed, 0 insertions, 0 deletions