Hi,
During the tuning of my system, I was using pmc(3) to get various
counters. Most important was the number of retired instructions, which
helped me to discover some bottlenecks. However, I now need to get L2
cache misses, which I do by running:
sudo pmcstat -S L2_LD -O /tmp/sample.out
On 19 Feb 2009, at 12:15 , Joseph Koshy wrote:
% pmccontrol -L
pmccontrol: Initialization of the pmc(3) library failed: No such
file or
directory.
Did you load hwpmc(4) into the kernel?
How can I check that? kldload pmc reports that pmc interface exists in
kernel.
pmc: Unknown Intel
Hi,
I would like to obtain fore mentioned data from within my module. I
need these performance metrics to see how certain code executes, and
make decisions during the runtime. pmc(3) seems complete, but it also
seems to be intended for use in the userland.
How to use pmc from modules? Is
On 2 Feb 2009, at 19:09 , Julian Elischer wrote:
It says non-sleepable locks, yet it classifies click_instance
as sleep mutex. I think witness code should emit messages which
are more clear.
It is confusing, but you can't do an M_WAITOK malloc while holding
a mutex. Basically, sleeping
On 30 Jan 2009, at 18:11 , Nikola Knežević wrote:
This is the message buffer:
Unread portion of the kernel message buffer:
panic: blockable sleep lock (sleep mutex) 16 @ /usr/src/sys/vm/
uma_core.c:1834
Any hints where I should search for the cause?
Ok, I solved this problem. I had
Hi,
I'm trying to port Click modular router to FreeBSD 7.1, but with a
twist. Instead of letting Click run in netisr (as it used to run in
FreeBSD 4), I want to have it running in a kthread. I managed to get
it running this way, but when I turn on INVARIANTS and WITNESS (along
with
You can use the KTR(4) facility to trace memory allocations and
deallocations, logging them to memory, disk, etc. Unfortunately
interpreting the data can be fairly tricky, as network leaks tend to
happen over a long period of time, be stored in sockets, etc, but
it's definitely possible
On 27 Dec 2008, at 02:30 , Mateusz Guzik wrote:
on my system, I noticed that ps(1) is not showing the CPU#
correctly (it
always displays 0). There was a bug in it, and it was fetching
ki_estcpu
instead of ki_lastcpu.
From the man page:
cpushort-term CPU usage factor (for
Hi,
on my system, I noticed that ps(1) is not showing the CPU# correctly
(it always displays 0). There was a bug in it, and it was fetching
ki_estcpu instead of ki_lastcpu.
The attached patch fixes this issue.
Cheers,
Nikola
ps.patch
Description: Binary data
Hi,
I'm trying to make some code which uses a lot of mbufs (Click modular
router) running under FreeBSD 7.1. The problem is that it is leaking
mbufs, and I can't find where...
After running the Click in a configuration which generates 150k
packets (using m_dup) and discards them
On 2 Dec 2008, at 13:33 , Dag-Erling Smørgrav wrote:
[EMAIL PROTECTED] writes:
heresy Provided the module in question is contemplated for delivery
as a port, rather than as part of the base -- so that having a build
dependency on a port is tolerable -- perhaps it would be more easily
built
On 1 Dec 2008, at 01:22 , Tim Kientzle wrote:
.MAKEFILEDEPS: elements.mk
.sinclude elements.mk
.include bsd.kmod.mk
---8---
When I run make depend, it only includes SRCSs from BSDmakefile,
not those from elements.mk.
I would try adding a beforedepend requirement:
beforedepend: elements.mk
On 30 Nov 2008, at 18:43 , Mel wrote:
since there were no replies, I went into the various .mk's, and I
found some inconsistencies when building modules. If you have a file
in a different directory, below the directory where you BSDmakefile
is, objects won't be linked nor cleaned properly.
The
On 25 Nov 2008, at 15:20 , Nikola Knežević wrote:
I tried to move from OBJS into SRCS (main BSDmakefile now has: SRCS+=
$(ELEMENT_SRCS)), by using something like:
# subdir0
ELEMENT_SRCS__x =\
subdir1/file0.cc \
subdir1/file1.cc
...
But this fails during the linking phase, because the linker
Hi,
I'm playing with the Click Modular router on my FreeBSD box. Out of
curiosity, I decided to switch its GNU makefile to BSD style. I
managed to do it, but I would like to polish it a bit more (and learn
some things along).
Old GNUmakefile relies heavily on OBJS and *_OBJS, as it fills
Hi guys,
I'm trying to do something unusual - to build my own module, mixed
with the Click (Modular Router). In order to do so, I had to write a
Makefile which borrows a lot from Click's Makefile. Like all other
kernel modules, I include bsd.kmod.ko, but I'm modifying CFLAGS
(with +=),
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