this by setting the timeout to at least 2 jiffies on such
systems.
The 10ms figure was originally selected based on tests performed with
the current implementation and HZ = 1000. Thus, leave the behavior on
systems with HZ 100 unchanged.
Signed-off-by: Ido Yariv idox.ya...@intel.com
---
include/net/tcp.h
Hi Eric,
On Wed, May 27, 2015 at 10:24:16AM -0700, Eric Dumazet wrote:
On Wed, 2015-05-27 at 12:54 -0400, Ido Yariv wrote:
Hi Eric,
That's a nice optimization ;)
However, I think that with Nicholas Mc Guire's recent changes to
msecs_to_jiffies (http://marc.info/?l=linux-kernelm
Hi Eric,
On Wed, May 27, 2015 at 07:56:25AM -0700, Eric Dumazet wrote:
On Wed, 2015-05-27 at 10:40 -0400, Ido Yariv wrote:
HZ=100 is used on some embedded platforms, so it's still something we
have to deal with unfortunately..
Since the '2' here is a lower bound, and msecs_to_jiffies
Hi Eric,
On Wed, May 27, 2015 at 06:41:17AM -0700, Eric Dumazet wrote:
On Wed, 2015-05-27 at 11:36 +, David Laight wrote:
From: Of Ido Yariv
Sent: 26 May 2015 21:17
The Tail Loss Probe RFC specifies that the PTO value should be set to
max(2 * SRTT, 10ms), where SRTT
Hi Eric,
On Wed, May 27, 2015 at 09:23:36AM -0700, Eric Dumazet wrote:
On Wed, 2015-05-27 at 11:23 -0400, Ido Yariv wrote:
Signed-off-by: Ido Yariv idox.ya...@intel.com
---
include/net/tcp.h | 9 +
net/ipv4/tcp_output.c | 2 +-
2 files changed, 10 insertions(+), 1
Hi Eric,
On Wed, May 27, 2015 at 03:15:26PM -0400, Ido Yariv wrote:
Hi Eric,
On Wed, May 27, 2015 at 10:24:16AM -0700, Eric Dumazet wrote:
On Wed, 2015-05-27 at 12:54 -0400, Ido Yariv wrote:
Hi Eric,
That's a nice optimization ;)
However, I think that with Nicholas Mc
Hi Eric,
On Tue, May 26, 2015 at 10:13:40AM -0700, Eric Dumazet wrote:
On Tue, 2015-05-26 at 13:02 -0400, Ido Yariv wrote:
Hi Eric,
On Tue, May 26, 2015 at 09:23:55AM -0700, Eric Dumazet wrote:
Have you really hit an issue, or did you send this patch after all these
msecs_to_jiffies
this by setting the timeout to at least 2 jiffies on such
systems.
The 10ms figure was originally selected based on tests performed with
the current implementation and HZ = 1000. Thus, leave the behavior on
systems with HZ 100 unchanged.
Signed-off-by: Ido Yariv idox.ya...@intel.com
---
net/ipv4
Hi Eric,
On Tue, May 26, 2015 at 11:25:21AM -0700, Eric Dumazet wrote:
On Tue, 2015-05-26 at 13:55 -0400, Ido Yariv wrote:
The platform this was tested on was an embedded platform with a wifi
module (11n, 20MHZ). The other end was a computer running Windows, and
the benchmarking
this issue, increase the number of jiffies by one,
ensuring that the timeout won't expire in less than 10ms.
Signed-off-by: Ido Yariv idox.ya...@intel.com
---
net/ipv4/tcp_output.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index
Hi Eric,
On Tue, May 26, 2015 at 09:23:55AM -0700, Eric Dumazet wrote:
On Tue, 2015-05-26 at 10:25 -0400, Ido Yariv wrote:
The Tail Loss Probe RFC specifies that the PTO value should be set to
max(2 * SRTT, 10ms), where SRTT is the smoothed round-trip time.
The PTO value is converted
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