Libertas,
As I wrote to you earlier today, IPredator on Linux complained of similar
issues with excessive calls to time() under the Linux 3.x kernel series, but
not 2.6.
Let's track these issues in
https://trac.torproject.org/projects/tor/ticket/14056
as they appear to be quite similar.
I'd
I wonder if TIME_IS_FAST is being defined as 1 in any of these Linux or BSD
builds.
I just found that the current OpenBSD release (5.6) has TIME_IS_FAST =
0. Details are in a ticket comment I just posted.
Libertas, can you search your tor binary or tor debug symbols for the
function
Also, I can do some testing with chutney on the OpenBSD VM in a few hours.
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To clarify, I used strings /usr/local/bin/tor | grep approx_time.
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I'm working on question #2 now - I'm less well equipped to work on #1 at
the moment.
It's probably also worth mentioning that the dump with 400,000 calls to
gettimeofday() also had 30,714 calls to clock_gettime().
On 01/01/2015 03:47 PM, Nick Mathewson wrote:
On Dec 31, 2014 10:38 PM, Yawning
On Dec 31, 2014 10:38 PM, Yawning Angel yawn...@schwanenlied.me wrote:
I don't think we merged that branch yet, since it's not ready for
general use. Additionally, it's not currently functional on the
*BSDs. The KIST code last I checked only is used under Linux.
This is right; the KIST
On 01/01/2015 08:07 AM, teor wrote:
I'd like to get a sense of how many calls per second this represents.
(400,000 would seem to be 100 to 1000 per second, unless you were debugging
for a long while.)
My kdump suggested that there were almost 7,000 calls a second to
gettimeofday(). The
On 1 Jan 2015, at 07:39 , Greg Troxel g...@lexort.com wrote:
Libertas liber...@mykolab.com writes:
Some of the people at tor-...@lists.nycbug.org and I are trying to
figure out why Tor relays under-perform when running on OpenBSD. Many
such relays aren't even close to being network-bound,
On Thu, 1 Jan 2015 14:19:08 +1100
teor teor2...@gmail.com wrote:
On 1 Jan 2015, at 07:39 , Greg Troxel g...@lexort.com wrote:
Tor 0.2.6.2-alpha (just in the process of being released) has some
changes to queuing behaviour using the KIST algorithm.
The KIST algorithm keeps the queues
I just ran ktrace/kdump (used for observing system calls) on the Tor
process of my exit node, which relays about 800 KB/s. It listed 400,000
calls to gettimeofday(). The list was swamped with them.
I think I remember reading somewhere that that sort of system call is
way slower in OpenBSD than
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