perfctr-devel — Discussions about the development and use of the perfctr driver.

[Perfctr-devel] 邮箱升级(重要通知)

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[Perfctr-devel] Follow-up

[Lauren H. <lau...@cl...>]

Hello 

 

Hope all is well!

 

I was trying to reach you today in regards to an email I sent you last
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Regards

 

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1 Perimeter Park S #100n, 

Birmingham, AL 35243, 

USA,

Enter your e-mail address in order to get unsubscribed
<http://goo.gl/forms/8etAAWkq9y> click here

P please consider the environment before printing this e-mail

 

 

From: Lauren Hoffman <lau...@cl...>
Sent: Wednesday, November 23, 2016 2:12 PM
To: per...@li...
Subject: RE: Conference Call,

 

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Lauren Hoffman

1 Perimeter Park S #100n, 

Birmingham, AL 35243, 

USA,

Enter your e-mail address in order to get unsubscribed
<http://goo.gl/forms/8etAAWkq9y> click here

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[Perfctr-devel] 邮 件 系 统(重要)

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[Perfctr-devel] Error in the file drivers/perfctr/virtual.c

[Dipak P. <dip...@gm...>]

Hii..
I downloaded perfctr-2.6.40 from
http://user.it.uu.se/~mikpe/linux/perfctr/2.6/,

my linux kernel is: 2.6.32, My OS is CentOS 6.2
As per Install file first did
make mrproper
After that I patched the kernel using the update-kernel script in perfctr
directory. Then I configured kernel with
CONFIG_PERFCTR=y
CONFIG_KPERFCTR=y
CONFIG_PERFCTR_VIRTUAL=y
CONFIG_PERFCTR_GLOBAL=y
 I compiled it as:
make
this process reports error:

drivers/perfctr/virtual.c: In function ‘sys_vperfctr_control’:
drivers/perfctr/virtual.c:585: error: implicit declaration of function
‘set_cpus_allowed’
drivers/perfctr/virtual.c: In function ‘vperfctr_get_filp’:
drivers/perfctr/virtual.c:1054: warning: the address of
‘vperfctr_file_ops’ will always evaluate as ‘true’
make[2]: *** [drivers/perfctr/virtual.o] Error 1
make[1]: *** [drivers/perfctr] Error 2
make: *** [drivers] Error 2

Do you have any idea what's the problem? and how to fix it?
Please help me to resolve this problem.
Thank you.

[Perfctr-devel] (no subject)

[Dipak P. <dip...@gm...>]

hi...
 I am dipak. I am try to install perfctr 2.6.40 with kernel source code 2.6.32.
I patch it as per instruction in install file in perfctr package. when
I compiling source code by doing make it show error.

CC [M]  drivers/perfctr/virtual.o
drivers/perfctr/virtual.c: In function ‘sys_vperfctr_control’:
drivers/perfctr/virtual.c:585: error: implicit declaration of function
‘set_cpus_allowed’
drivers/perfctr/virtual.c: In function ‘vperfctr_get_filp’:
drivers/perfctr/virtual.c:1054: warning: the address of
‘vperfctr_file_ops’ will always evaluate as ‘true’
make[2]: *** [drivers/perfctr/virtual.o] Error 1
make[1]: *** [drivers/perfctr] Error 2
make: *** [drivers] Error 2

Please can you help me to remove this error. what can i do to remove it.?
-- 
Regards,
Dipak S. Patil
S.Y.M.Tech,
Walchand College of Engineering Sangli,
416415.

[Perfctr-devel] (no subject)

[<al...@ya...>]

http://degrostukadoors.nl/login/news.html?z2i8r2

Re: [Perfctr-devel] A question regarding the uncore and fixed counter event

[Mikael P. <mi...@it...>]

Jia Rao writes:
 > Hi Mikael,
 > 
 > Thanks for your reply. It was very helpful.
 > 
 > I checked the code in example/global/global.c. Every interval, the program
 > will issue gperfctr_read() which calls the kernel-level function
 > perfctr_cpu_sample() to update the pmc values.
 > It seems that only a-counter (accumulative) counter values are updated in
 > perfctr_cpu_sample(). Are the fixed function counters considered as
 > i-counters(interrupt) only ?

(please don't top-post in Linux-related mailing lists)
(and please don't trim cc: lists, I added perfctr-devel back)

Fixed-function counters can be used in interrupt-on-overflow mode just fine,
but only in the virtual per-thread counters API (see examples/self/ and
examples/signal/).  The driver for global-mode counters only allows plain
accumulation-mode counters, which is why examples/global/ only considers
accumulation-mode counters.

 > As for the virtual pmcs, what I understand is that if I use 0x40000000
 > (IA32_FIXED_CTR0: address 309H), the 5th virtual pmc will be used (I have 4
 > general purpose pmcs in Intel westmere). Is it correct ?

No, there is no such restriction.  You can make virtual counter 0 a fixed-function
counter and virtual counter 1 a programmed-event counter, by setting up pmc_map[]
and evntsel[] appropriately.  The only restrictions on the virtual counter indices
are that:
(a) they're consecutive from 0 to n-1, and
(b) the accumulation-mode counters come first, followed by the interrupt-mode counters.

Before you invest too much into perfctr, can I assume you've looked into
the perf_events stuff that's in 2.6.32 and newer kernels?  I know some perfctr
users have expressed disappointment in perf_events (mostly related to higher
overheads and a more complex usage model), but as perf_events is "standard" and
perfctr is not (and never will be), it should be used by default unless you
have a very good reason not to.  And if you use PAPI you shouldn't have to care
which low-level mechanism is in place.

Re: [Perfctr-devel] A question regarding the uncore and fixed counter event

[Mikael P. <mi...@it...>]

Jia Rao writes:
 > Hi all,
 > 
 > I am currently using perfctr-2.6.42 in Linux 2.6.32 kernel. I checked the
 > example in example/global folder and was successful monitoring the general
 > purpose counter events (4 PMCs in Intel Westmere).
 > 
 > Is the uncore and fixed counter events supported in perfctr now ? Can anyone
 > give any hint on how to do it in /example/global/global.c ?

Uncore counters are not supported.  Fixed-function counters have been supported
since perfctr-2.6.29 released 2007-10-07 (the perfctr-2.6.29 CHANGES entry gives
some indication on how to use them).  I don't recall if any of the sample programs
under example/ uses them, but basically you use pmc_map[i] to map virtual counter i
to physical counter 0x40000000+j, and you set the relevant Enable/INT/CPL flags but
no event selection bits in evntsel[i].

[Perfctr-devel] A question regarding the uncore and fixed counter event

[Jia R. <ric...@gm...>]

Hi all,

I am currently using perfctr-2.6.42 in Linux 2.6.32 kernel. I checked the
example in example/global folder and was successful monitoring the general
purpose counter events (4 PMCs in Intel Westmere).

Is the uncore and fixed counter events supported in perfctr now ? Can anyone
give any hint on how to do it in /example/global/global.c ?

Thanks,
Jia

Re: [Perfctr-devel] perfctr-2.6.42 bug report

[Mikael P. <mi...@it...>]

Yuan Tang writes:
> Hi Mikael /and /or perfctr developers,
> 
> I downloaded perfctr-2.6.42 from
> http://user.it.uu.se/~mikpe/linux/perfctr/2.6/,
> 
> my linux kernel is: 2.6.32, My OS is Ubuntu 10.04
> 
> After I patched the kernel using the update-kernel script in perfctr
> directory. I compiled it as:
> 
> sudo make-kpkg kernel-image --initrd --append-to-version=perfctr
> 
> However, the process reports error like:
> 
> drivers/perfctr/virtual.c: In function ‘sys_vperfctr_control’:
> drivers/perfctr/virtual.c:585: error: implicit declaration of function
> ‘set_cpus_allowed’

With a vanilla linux-2.6.32.tar.bz2 tarball freshly downloaded from www.kernel.org,
perfctr-2.6.42, and a CONFIG_SMP .config on x86, I don't get the above error.

Are you perhaps using a non-vanilla kernel?

> drivers/perfctr/virtual.c: In function ‘vperfctr_get_filp’:
> drivers/perfctr/virtual.c:1054: warning: the address of
> ‘vperfctr_file_ops’ will always evaluate as ‘true’

This warning is harmless.

/Mikael

[Perfctr-devel] perfctr-2.6.42 bug report

[Yuan T. <yua...@cs...>]

Hi Mikael /and /or perfctr developers,

I downloaded perfctr-2.6.42 from
http://user.it.uu.se/~mikpe/linux/perfctr/2.6/,

my linux kernel is: 2.6.32, My OS is Ubuntu 10.04

After I patched the kernel using the update-kernel script in perfctr
directory. I compiled it as:

sudo make-kpkg kernel-image --initrd --append-to-version=perfctr

However, the process reports error like:

drivers/perfctr/virtual.c: In function ‘sys_vperfctr_control’:
drivers/perfctr/virtual.c:585: error: implicit declaration of function
‘set_cpus_allowed’
drivers/perfctr/virtual.c: In function ‘vperfctr_get_filp’:
drivers/perfctr/virtual.c:1054: warning: the address of
‘vperfctr_file_ops’ will always evaluate as ‘true’
make[3]: *** [drivers/perfctr/virtual.o] Error 1
make[2]: *** [drivers/perfctr] Error 2
make[1]: *** [drivers] Error 2
make[1]: Leaving directory `/usr/src/linux-2.6.32'
make: *** [debian/stamp/build/kernel] Error 2

Do you have any idea what's the problem? and how to fix it?

Thanks!

-Yuan

-- 
- (\x.x x)(\x.x x)

[Perfctr-devel] perfctr-2.6.42 released

[Mikael P. <mi...@it...>]

Version 2.6.42 of perfctr, the Linux performance monitoring
counters kernel extension, is now available at the usual
place: http://user.it.uu.se/~mikpe/linux/perfctr/2.6/

Westmere processors are now explicitly classified as Westmere
not Nehalem as before.  This is needed because Westmere apparently
lacks a few events that were in Nehalem.

Version 2.6.42, 2010-11-07
- Classify Westmere processors as Westmere not Nehalem.
- Update update-kernel to install arch-specific header files
  in arch/$arch/include/asm/ for newer kernels.  Also make
  update-kernel --test trace file installation steps.
- Update usr.src/Makefile to use the LD make variable rather
  than plain 'ld' if set.  Useful for cross-compilation and
  builds with non-default target options.
- Updated kernel support: 2.6.18-194.17.4.el5 (RHEL5).

/ Mikael Pettersson (Mik...@ro... or mi...@it...)

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[Perfctr-devel] perfctr-2.6.41 released

[Mikael P. <mi...@it...>]

Version 2.6.41 of perfctr, the Linux performance monitoring
counters kernel extension, is now available at the usual
place: http://user.it.uu.se/~mikpe/linux/perfctr/2.6/

Version 2.6.41, 2010-06-08
- Extend examples/perfex/ to allow users to set up values for
  the OFFCORE_RSP MSRs on Nehalem-based processors.
- Add driver support for OFFCORE_RSP MSRs on Nehalem-based processors.
- Recognise more Nehalem-based processors (models 30, 37).
- Renamed PERFCTR_X86_INTEL_COREI7 symbolic CPU/PMU type constant
  to PERFCTR_X86_INTEL_NHLM, since it denotes the entire Nehalem
  family not just the (original) Core i7. The old constant is
  also defined for now, to not break source code compatibility.
- Correct Core i7 event setup in examples/global/ to actually
  work. It was rejected by the driver due to a copy-paste error.
- Rewrite the missing event list message in `perfex -l/-L' to
  indicate that this is a user-space library omission, not an
  issue with the driver or the hardware.
- Updated kernel support: 2.6.18-194.3.1.el5, 2.6.18-194.el5,
  2.6.18-164.15.1.el5 (RHEL5).

/ Mikael Pettersson (mi...@ac... or mi...@it...)

Re: [Perfctr-devel] Question on kernel patch levels

[Mikael P. <mi...@it...>]

Auld, Russell G           CSC writes:
 > Hello,
 > I have downloaded the latest version of perfctr, v2.6.40. I see in the
 > patches directory that it supports RedHat Enterprise Linux kernel
 > 2.6.18-164.el5 via the file "patch-kernel-2.6.18-164.el5-redhat".
 > 
 > My question is, can I use that patch file with the a newer, bug-fixed
 > kernel like the ones that are available from RedHat:
 > 
 > Jan 06 2010 22:09     75660747 kernel-2.6.18-164.11.1.el5.src.rpm 
 > Jan 06 2010 15:34     75613765 kernel-2.6.18-164.10.1.el5.src.rpm 
 > Dec 09 2009 19:16     75608874 kernel-2.6.18-164.9.1.el5.src.rpm 
 > Nov 03 2009 09:56     75513971 kernel-2.6.18-164.6.1.el5.src.rpm 
 > Sep 28 2009 09:08     75483865 kernel-2.6.18-164.2.1.el5.src.rpm 
 > Aug 19 2009 00:00     75420211 kernel-2.6.18-164.el5.src.rpm
 > 
 > In other words, can I apply the patch to the latest kernel,
 > 2.6.18-164.11.1.el5 ?
 > These updates often contain important security fixes in them.

In this case (2.6.18-164.11.1.el5) you can, but perfctr's update-kernel
script would have done that for you automatically.

[Perfctr-devel] Question on kernel patch levels

[Auld, R. G C. <rus...@pw...>]

Hello,
I have downloaded the latest version of perfctr, v2.6.40. I see in the
patches directory that it supports RedHat Enterprise Linux kernel
2.6.18-164.el5 via the file "patch-kernel-2.6.18-164.el5-redhat".

My question is, can I use that patch file with the a newer, bug-fixed
kernel like the ones that are available from RedHat:

Jan 06 2010 22:09     75660747 kernel-2.6.18-164.11.1.el5.src.rpm 
Jan 06 2010 15:34     75613765 kernel-2.6.18-164.10.1.el5.src.rpm 
Dec 09 2009 19:16     75608874 kernel-2.6.18-164.9.1.el5.src.rpm 
Nov 03 2009 09:56     75513971 kernel-2.6.18-164.6.1.el5.src.rpm 
Sep 28 2009 09:08     75483865 kernel-2.6.18-164.2.1.el5.src.rpm 
Aug 19 2009 00:00     75420211 kernel-2.6.18-164.el5.src.rpm

In other words, can I apply the patch to the latest kernel,
2.6.18-164.11.1.el5 ?
These updates often contain important security fixes in them.

Thanks,
Russ

Re: [Perfctr-devel] Perfctr for PPC64

[Kiran T. <ki...@ri...>]

Hello Maynard,

Perfect timing. We had just done that. We built Papi using the kernel 
with Perf events enabled and Papi built fine and pretty much all the 
tests passed.

Thanks for confirming this.

Kiran

Maynard Johnson wrote:
> Mikael Pettersson wrote:
>> Kiran Thyagaraja writes:
>>  > Hello,
>>  > 
>>  > We recently acquired a modest size IBM POWER7 cluster. We're running 
>>  > RHEL5 with a 2.6.32.7 kernel. I downloaded the recently released Perfctr 
>>  > v2.6.40 and found out that there is only support for PPC32.
>>  > 
>>  > I was wondering if there are any plans to release a version of Perfctr 
>>  > for PPC64 arch.
>>
>> Perfctr for PPC64 exists, but it's a (very) separate branch from the
>> normal perfctr, and it's nowadays handled by IBM and PAPI. Ask the
>> PAPI folks for help.
> Kiran, the 2.6.32 kernel contains the new "Performance Events" subsystem, which provides a kernel interface to performance monitor units.  Not all architectures are supported yet, but ppc64 (and POWER7 specifically) are supported.  The most recent release of PAPI will configure itself to use this built-in support if it finds it available.  I suggest you try it out.  I've added my team member, Corey Ashford, to cc since he's been much more involved in this than I have been and could probably answer any questions you may have.
> 
> -Maynard

Re: [Perfctr-devel] Perfctr for PPC64

[Maynard J. <may...@us...>]

Mikael Pettersson wrote:
> Kiran Thyagaraja writes:
>  > Hello,
>  > 
>  > We recently acquired a modest size IBM POWER7 cluster. We're running 
>  > RHEL5 with a 2.6.32.7 kernel. I downloaded the recently released Perfctr 
>  > v2.6.40 and found out that there is only support for PPC32.
>  > 
>  > I was wondering if there are any plans to release a version of Perfctr 
>  > for PPC64 arch.
> 
> Perfctr for PPC64 exists, but it's a (very) separate branch from the
> normal perfctr, and it's nowadays handled by IBM and PAPI. Ask the
> PAPI folks for help.
Kiran, the 2.6.32 kernel contains the new "Performance Events" subsystem, which provides a kernel interface to performance monitor units.  Not all architectures are supported yet, but ppc64 (and POWER7 specifically) are supported.  The most recent release of PAPI will configure itself to use this built-in support if it finds it available.  I suggest you try it out.  I've added my team member, Corey Ashford, to cc since he's been much more involved in this than I have been and could probably answer any questions you may have.

-Maynard
> 
> ------------------------------------------------------------------------------
> Download Intel® Parallel Studio Eval
> Try the new software tools for yourself. Speed compiling, find bugs
> proactively, and fine-tune applications for parallel performance.
> See why Intel Parallel Studio got high marks during beta.
> http://p.sf.net/sfu/intel-sw-dev
> _______________________________________________
> Perfctr-devel mailing list
> Per...@li...
> https://lists.sourceforge.net/lists/listinfo/perfctr-devel

Re: [Perfctr-devel] Perfctr for PPC64

[Mikael P. <mi...@it...>]

Kiran Thyagaraja writes:
 > Hello,
 > 
 > We recently acquired a modest size IBM POWER7 cluster. We're running 
 > RHEL5 with a 2.6.32.7 kernel. I downloaded the recently released Perfctr 
 > v2.6.40 and found out that there is only support for PPC32.
 > 
 > I was wondering if there are any plans to release a version of Perfctr 
 > for PPC64 arch.

Perfctr for PPC64 exists, but it's a (very) separate branch from the
normal perfctr, and it's nowadays handled by IBM and PAPI. Ask the
PAPI folks for help.

[Perfctr-devel] Perfctr for PPC64

[Kiran T. <ki...@ri...>]

Hello,

We recently acquired a modest size IBM POWER7 cluster. We're running 
RHEL5 with a 2.6.32.7 kernel. I downloaded the recently released Perfctr 
v2.6.40 and found out that there is only support for PPC32.

I was wondering if there are any plans to release a version of Perfctr 
for PPC64 arch.

Thanks.

Kiran Thyagaraja
Research Computing Support Group.
Rice University.
Houston, TX. 77005

[Perfctr-devel] iPhone Application Development

[Garrison <lim...@ya...>]

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[Perfctr-devel] perfctr-2.6.40 released

[Mikael P. <mi...@it...>]

Version 2.6.40 of perfctr, the Linux performance monitoring
counters kernel extension, is now available at the usual
place: http://user.it.uu.se/~mikpe/linux/perfctr/2.6/

Version 2.6.40, 2010-01-30
- Preliminary support for Intel Xeon 7500 (Nehalem-based) processors.
- Preliminary support for Intel i7-980X Gulftown processors.
- Added support for AMD Family 11h processors (compatible with fam 10h).
- Updated kernel support: 2.6.32, 2.6.31, 2.6.18-164.11.1.el5 and
  2.6.18-164.el5 (RHEL5), 2.6.9-89.0.19.EL (RHEL4).

/ Mikael Pettersson (mi...@ac... or mi...@it...)

[Perfctr-devel] Announcing Component PAPI

[Dan T. <ter...@ee...>]

All PAPI Users -

 

After much too long a wait, Component PAPI, or PAPI-C, or PAPI 4.0.0 has
finally arrived.

 

The inaugural release of Component PAPI represents a  significant
architectural change from PAPI 3.7.x and earlier. As such, your  application
must be recompiled and relinked to libpapi, the PAPI library for this
version to work. PAPI-C is backward compatible with earlier versions of
PAPI. All new library features are supported through new APIs and all old
APIs still work as expected. Applications instrumented for PAPI should
continue to work as expected with no changes.

 

The major change in PAPI-C is the support of multiple components, or
counting  domains, in addition to the traditional hardware counters found in
the cpu. The goal of this first release of PAPI-C is to provide a stable
technology platform within which to explore the development and
implementation of additional components.

 

Although a small number of components are provided with this release, the
major objective has been to guarantee that PAPI-C works at least as well as
earlier PAPI releases and on the same range of hardware platforms. We think
we have achieved that goal.

 

One new addition to PAPI-C is internal support for IBM BlueGene P. IBM's
previous patches are now integral to the PAPI code base, making future
support and development more viable.

 

Although there is no compelling reason for satisfied users to upgrade from
PAPI 3.7.2, the PAPI-C branch is the one that will be supported in the
future. You'll need to do it sometime; you might as well upgrade now!

 

Visit the PAPI website at http://icl.cs.utk.edu/papi for more information.

For a summary of changes, read the PAPI 4.0.0
<http://icl.cs.utk.edu/viewcvs/viewcvs.cgi/PAPI/papi/RELEASENOTES.txt?rev=1.
21&view=markup> Release Notes.
And for installation instructions read the
<http://icl.cs.utk.edu/viewcvs/viewcvs.cgi/PAPI/papi/INSTALL.txt?rev=1.42&vi
ew=markup> Installation Notes.

You can download the software at
http://icl.cs.utk.edu/projects/papi/downloads/papi-4.0.0.tar.gz.

 

Dan Terpstra

For the PAPI Team,