* Where is op_model_mipsxx.c ?
@ 2005-10-05 4:11 David Daney
2005-10-05 10:44 ` Ralf Baechle
2005-10-07 18:13 ` Mike C. Ward
0 siblings, 2 replies; 8+ messages in thread
From: David Daney @ 2005-10-05 4:11 UTC (permalink / raw)
To: linux-mips
I noticed this in the Makefile for the OProfile directory for mips:
oprofile-$(CONFIG_CPU_MIPS32_R1) += op_model_mipsxx.o
The file op_model_mipsxx.c does not seem to exist. Which implies to me
that someone was working on making it work for MIPS32, but didn't quite
finish.
I want to start hacking on OProfile for a MIPS32 based system and
thought it might make a nice starting point.
If the missing file exists would its author mind making it available to me?
Thanks,
David Daney
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Where is op_model_mipsxx.c ?
2005-10-05 4:11 Where is op_model_mipsxx.c ? David Daney
@ 2005-10-05 10:44 ` Ralf Baechle
2005-10-25 11:25 ` Matej Kupljen
2005-10-07 18:13 ` Mike C. Ward
1 sibling, 1 reply; 8+ messages in thread
From: Ralf Baechle @ 2005-10-05 10:44 UTC (permalink / raw)
To: David Daney; +Cc: linux-mips
On Tue, Oct 04, 2005 at 09:11:06PM -0700, David Daney wrote:
> I noticed this in the Makefile for the OProfile directory for mips:
>
> oprofile-$(CONFIG_CPU_MIPS32_R1) += op_model_mipsxx.o
>
> The file op_model_mipsxx.c does not seem to exist. Which implies to me
> that someone was working on making it work for MIPS32, but didn't quite
> finish.
>
> I want to start hacking on OProfile for a MIPS32 based system and
> thought it might make a nice starting point.
>
> If the missing file exists would its author mind making it available to me?
I've got oprofile support for MIPS32 / MIPS64 style counters in the queue.
It still needs some debugging to become actually useful but anyway, I'm
going to check those patches into git in a few minutes.
Ralf
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Where is op_model_mipsxx.c ?
2005-10-05 10:44 ` Ralf Baechle
@ 2005-10-25 11:25 ` Matej Kupljen
2005-10-25 15:01 ` David Daney
2005-10-26 12:15 ` Ralf Baechle
0 siblings, 2 replies; 8+ messages in thread
From: Matej Kupljen @ 2005-10-25 11:25 UTC (permalink / raw)
To: Ralf Baechle; +Cc: David Daney, linux-mips
Hi
> I've got oprofile support for MIPS32 / MIPS64 style counters in the queue.
> It still needs some debugging to become actually useful but anyway, I'm
> going to check those patches into git in a few minutes.
Can these be used on the AMD AU1200 core?
(I don't see Register 25 on Coprocessor 0)
If OProfile cannot be used, what can I use to profile the kernel?
BR,
Matej
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Where is op_model_mipsxx.c ?
2005-10-25 11:25 ` Matej Kupljen
@ 2005-10-25 15:01 ` David Daney
2005-10-26 6:35 ` Matej Kupljen
2005-10-26 12:15 ` Ralf Baechle
1 sibling, 1 reply; 8+ messages in thread
From: David Daney @ 2005-10-25 15:01 UTC (permalink / raw)
To: Matej Kupljen; +Cc: linux-mips
Matej Kupljen wrote:
> Hi
>
>
>>I've got oprofile support for MIPS32 / MIPS64 style counters in the queue.
>>It still needs some debugging to become actually useful but anyway, I'm
>>going to check those patches into git in a few minutes.
>
>
> Can these be used on the AMD AU1200 core?
> (I don't see Register 25 on Coprocessor 0)
>
> If OProfile cannot be used, what can I use to profile the kernel?
>
If there are no performance counters, OProfile can still use the system
timer to take samples each clock tick. This is the way I am using it.
To use it in this manner you have to hack up the code a bit so that the
return value of oprofile_arch_init() (in oprofile/common.c) is -ENODEV.
David Daney.
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Where is op_model_mipsxx.c ?
2005-10-25 15:01 ` David Daney
@ 2005-10-26 6:35 ` Matej Kupljen
0 siblings, 0 replies; 8+ messages in thread
From: Matej Kupljen @ 2005-10-26 6:35 UTC (permalink / raw)
To: David Daney; +Cc: linux-mips
[-- Attachment #1: Type: text/plain, Size: 721 bytes --]
Hi
> If there are no performance counters, OProfile can still use the system
> timer to take samples each clock tick. This is the way I am using it.
Thanks for the info.
> To use it in this manner you have to hack up the code a bit so that the
> return value of oprofile_arch_init() (in oprofile/common.c) is -ENODEV.
I'll try that and let you know the results.
I want to use the profiler, because the network performance of dbau1200
is very poor (with 2.6.14-rc2 and smc91x driver I get around 12Mbit/s!).
I check the traffic of netperf with ethereal and I see quite a lot
of duplicated packets (see the attached file with a few packets).
I think think this is also the reason that NFS is so slow.
BR,
Matej
[-- Attachment #2: netperf_dump.txt --]
[-- Type: text/plain, Size: 2621 bytes --]
No. Time Source Destination Protocol Info
50 5.759336 172.18.1.53 172.18.1.57 TCP 37994 > 32772 [ACK] Seq=28961 Ack=1 Win=5840 Len=1448 TSV=111254184 TSER=2217426
51 5.759342 172.18.1.53 172.18.1.57 TCP 37994 > 32772 [ACK] Seq=30409 Ack=1 Win=5840 Len=1448 TSV=111254184 TSER=2217426
52 5.761884 172.18.1.57 172.18.1.53 TCP [TCP Dup ACK 49#1] 32772 > 37994 [ACK] Seq=1 Ack=14481 Win=34752 Len=0 TSV=2217427 TSER=111254176 SLE=17377 SRE=18825
53 5.761894 172.18.1.53 172.18.1.57 TCP 37994 > 32772 [ACK] Seq=31857 Ack=1 Win=5840 Len=1448 TSV=111254186 TSER=2217427
54 5.762052 172.18.1.57 172.18.1.53 TCP [TCP Dup ACK 49#2] 32772 > 37994 [ACK] Seq=1 Ack=14481 Win=34752 Len=0 TSV=2217429 TSER=111254176 SLE=17377 SRE=20273
55 5.762063 172.18.1.53 172.18.1.57 TCP [TCP Retransmission] 37994 > 32772 [ACK] Seq=14481 Ack=1 Win=5840 Len=1448 TSV=111254186 TSER=2217429
56 5.762214 172.18.1.57 172.18.1.53 TCP [TCP Dup ACK 49#3] 32772 > 37994 [ACK] Seq=1 Ack=14481 Win=34752 Len=0 TSV=2217429 TSER=111254176 SLE=17377 SRE=21721
57 5.762223 172.18.1.53 172.18.1.57 TCP [TCP Retransmission] 37994 > 32772 [ACK] Seq=15929 Ack=1 Win=5840 Len=1448 TSV=111254187 TSER=2217429
58 5.764745 172.18.1.57 172.18.1.53 TCP [TCP Dup ACK 49#4] 32772 > 37994 [ACK] Seq=1 Ack=14481 Win=34752 Len=0 TSV=2217432 TSER=111254176 SLE=17377 SRE=23169
59 5.764754 172.18.1.53 172.18.1.57 TCP 37994 > 32772 [ACK] Seq=33305 Ack=1 Win=5840 Len=1448 TSV=111254189 TSER=2217432
60 5.764911 172.18.1.57 172.18.1.53 TCP [TCP Dup ACK 49#5] 32772 > 37994 [ACK] Seq=1 Ack=14481 Win=34752 Len=0 TSV=2217432 TSER=111254176 SLE=26065 SRE=27513 SLE=17377 SRE=23169
61 5.765074 172.18.1.57 172.18.1.53 TCP [TCP Dup ACK 49#6] 32772 > 37994 [ACK] Seq=1 Ack=14481 Win=34752 Len=0 TSV=2217432 TSER=111254176 SLE=26065 SRE=28961 SLE=17377 SRE=23169
62 5.765083 172.18.1.53 172.18.1.57 TCP [TCP Retransmission] 37994 > 32772 [PSH, ACK] Seq=23169 Ack=1 Win=5840 Len=1448 TSV=111254189 TSER=2217432
63 5.766842 172.18.1.57 172.18.1.53 TCP [TCP Dup ACK 49#7] 32772 > 37994 [ACK] Seq=1 Ack=14481 Win=34752 Len=0 TSV=2217434 TSER=111254176 SLE=26065 SRE=30409 SLE=17377 SRE=23169
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Where is op_model_mipsxx.c ?
2005-10-25 11:25 ` Matej Kupljen
2005-10-25 15:01 ` David Daney
@ 2005-10-26 12:15 ` Ralf Baechle
1 sibling, 0 replies; 8+ messages in thread
From: Ralf Baechle @ 2005-10-26 12:15 UTC (permalink / raw)
To: Matej Kupljen; +Cc: David Daney, linux-mips
On Tue, Oct 25, 2005 at 01:25:59PM +0200, Matej Kupljen wrote:
> > I've got oprofile support for MIPS32 / MIPS64 style counters in the queue.
> > It still needs some debugging to become actually useful but anyway, I'm
> > going to check those patches into git in a few minutes.
>
> Can these be used on the AMD AU1200 core?
> (I don't see Register 25 on Coprocessor 0)
>
> If OProfile cannot be used, what can I use to profile the kernel?
You can still use oprofile in timer interrupt mode then.
Ralf
^ permalink raw reply [flat|nested] 8+ messages in thread
* RE: Where is op_model_mipsxx.c ?
@ 2005-10-07 18:13 ` Mike C. Ward
0 siblings, 0 replies; 8+ messages in thread
From: Mike C. Ward @ 2005-10-07 18:13 UTC (permalink / raw)
To: 'David Daney', linux-mips
I created an op_model file for the r5K core in a MIPS32 kernel.
details are at
http://oss.pioneer-pra.com/oprofile/
I have not had a chance to test it on a real 2.6 kernel yet, it
was back-ported from 2.6.11 into 2.4.25.
Mike
> -----Original Message-----
> From: linux-mips-bounce@linux-mips.org
> [mailto:linux-mips-bounce@linux-mips.org] On Behalf Of David Daney
> Sent: Tuesday, October 04, 2005 9:11 PM
> To: linux-mips@linux-mips.org
> Subject: Where is op_model_mipsxx.c ?
>
>
> I noticed this in the Makefile for the OProfile directory for mips:
>
> oprofile-$(CONFIG_CPU_MIPS32_R1) += op_model_mipsxx.o
>
> The file op_model_mipsxx.c does not seem to exist. Which
> implies to me
> that someone was working on making it work for MIPS32, but
> didn't quite
> finish.
>
> I want to start hacking on OProfile for a MIPS32 based system and
> thought it might make a nice starting point.
>
> If the missing file exists would its author mind making it
> available to me?
>
> Thanks,
> David Daney
>
>
^ permalink raw reply [flat|nested] 8+ messages in thread
* RE: Where is op_model_mipsxx.c ?
@ 2005-10-07 18:13 ` Mike C. Ward
0 siblings, 0 replies; 8+ messages in thread
From: Mike C. Ward @ 2005-10-07 18:13 UTC (permalink / raw)
To: 'David Daney', linux-mips
I created an op_model file for the r5K core in a MIPS32 kernel.
details are at
http://oss.pioneer-pra.com/oprofile/
I have not had a chance to test it on a real 2.6 kernel yet, it
was back-ported from 2.6.11 into 2.4.25.
Mike
> -----Original Message-----
> From: linux-mips-bounce@linux-mips.org
> [mailto:linux-mips-bounce@linux-mips.org] On Behalf Of David Daney
> Sent: Tuesday, October 04, 2005 9:11 PM
> To: linux-mips@linux-mips.org
> Subject: Where is op_model_mipsxx.c ?
>
>
> I noticed this in the Makefile for the OProfile directory for mips:
>
> oprofile-$(CONFIG_CPU_MIPS32_R1) += op_model_mipsxx.o
>
> The file op_model_mipsxx.c does not seem to exist. Which
> implies to me
> that someone was working on making it work for MIPS32, but
> didn't quite
> finish.
>
> I want to start hacking on OProfile for a MIPS32 based system and
> thought it might make a nice starting point.
>
> If the missing file exists would its author mind making it
> available to me?
>
> Thanks,
> David Daney
>
>
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2005-10-26 12:16 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2005-10-05 4:11 Where is op_model_mipsxx.c ? David Daney
2005-10-05 10:44 ` Ralf Baechle
2005-10-25 11:25 ` Matej Kupljen
2005-10-25 15:01 ` David Daney
2005-10-26 6:35 ` Matej Kupljen
2005-10-26 12:15 ` Ralf Baechle
2005-10-07 18:13 ` Mike C. Ward
2005-10-07 18:13 ` Mike C. Ward
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