* Peter Zijlstra wrote:
> On Mon, Mar 23, 2015 at 11:39:00AM +0100, Ingo Molnar wrote:
> > > http://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/5th-gen-core-family-spec-update.pdf
> > >
> > > BDM11 and BDM55 (not 57) tell us that the PMU will generate crap output
On Mon, Mar 23, 2015 at 11:39:00AM +0100, Ingo Molnar wrote:
> > http://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/5th-gen-core-family-spec-update.pdf
> >
> > BDM11 and BDM55 (not 57) tell us that the PMU will generate crap output
> > if you don't do this.
* Peter Zijlstra wrote:
> On Mon, Mar 23, 2015 at 10:38:54AM +0100, Ingo Molnar wrote:
> >
> > * Andi Kleen wrote:
> >
> > > From: Andi Kleen
> > >
> > > On Broadwell INST_RETIRED.ALL cannot be used with any period
> > > that doesn't have the lowest 6 bits cleared. And the period
> > >
On Mon, Mar 23, 2015 at 10:38:54AM +0100, Ingo Molnar wrote:
>
> * Andi Kleen wrote:
>
> > From: Andi Kleen
> >
> > On Broadwell INST_RETIRED.ALL cannot be used with any period
> > that doesn't have the lowest 6 bits cleared. And the period
> > should not be smaller than 128.
>
> Sloppy
* Andi Kleen wrote:
> From: Andi Kleen
>
> On Broadwell INST_RETIRED.ALL cannot be used with any period
> that doesn't have the lowest 6 bits cleared. And the period
> should not be smaller than 128.
Sloppy changelog: a most basic question is not answered by the
changelog: what happens in
* Peter Zijlstra pet...@infradead.org wrote:
On Mon, Mar 23, 2015 at 11:39:00AM +0100, Ingo Molnar wrote:
http://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/5th-gen-core-family-spec-update.pdf
BDM11 and BDM55 (not 57) tell us that the PMU will generate
On Mon, Mar 23, 2015 at 11:39:00AM +0100, Ingo Molnar wrote:
http://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/5th-gen-core-family-spec-update.pdf
BDM11 and BDM55 (not 57) tell us that the PMU will generate crap output
if you don't do this. Non-fatal but
* Andi Kleen a...@firstfloor.org wrote:
From: Andi Kleen a...@linux.intel.com
On Broadwell INST_RETIRED.ALL cannot be used with any period
that doesn't have the lowest 6 bits cleared. And the period
should not be smaller than 128.
Sloppy changelog: a most basic question is not answered by
On Mon, Mar 23, 2015 at 10:38:54AM +0100, Ingo Molnar wrote:
* Andi Kleen a...@firstfloor.org wrote:
From: Andi Kleen a...@linux.intel.com
On Broadwell INST_RETIRED.ALL cannot be used with any period
that doesn't have the lowest 6 bits cleared. And the period
should not be smaller
* Peter Zijlstra pet...@infradead.org wrote:
On Mon, Mar 23, 2015 at 10:38:54AM +0100, Ingo Molnar wrote:
* Andi Kleen a...@firstfloor.org wrote:
From: Andi Kleen a...@linux.intel.com
On Broadwell INST_RETIRED.ALL cannot be used with any period
that doesn't have the lowest
From: Andi Kleen
On Broadwell INST_RETIRED.ALL cannot be used with any period
that doesn't have the lowest 6 bits cleared. And the period
should not be smaller than 128.
Add a new callback to enforce this, and set it for Broadwell.
This is erratum BDM57 and BDM11.
How does this handle the
From: Andi Kleen a...@linux.intel.com
On Broadwell INST_RETIRED.ALL cannot be used with any period
that doesn't have the lowest 6 bits cleared. And the period
should not be smaller than 128.
Add a new callback to enforce this, and set it for Broadwell.
This is erratum BDM57 and BDM11.
How does
From: Andi Kleen
On Broadwell INST_RETIRED.ALL cannot be used with any period
that doesn't have the lowest 6 bits cleared. And the period
should not be smaller than 128.
Add a new callback to enforce this, and set it for Broadwell.
This is erratum BDM57 and BDM11.
How does this handle the
From: Andi Kleen a...@linux.intel.com
On Broadwell INST_RETIRED.ALL cannot be used with any period
that doesn't have the lowest 6 bits cleared. And the period
should not be smaller than 128.
Add a new callback to enforce this, and set it for Broadwell.
This is erratum BDM57 and BDM11.
How does
From: Andi Kleen
On Broadwell INST_RETIRED.ALL cannot be used with any period
that doesn't have the lowest 6 bits cleared. And the period
should not be smaller than 128.
Add a new callback to enforce this, and set it for Broadwell.
This is erratum BDM57 and BDM11.
How does this handle the
From: Andi Kleen a...@linux.intel.com
On Broadwell INST_RETIRED.ALL cannot be used with any period
that doesn't have the lowest 6 bits cleared. And the period
should not be smaller than 128.
Add a new callback to enforce this, and set it for Broadwell.
This is erratum BDM57 and BDM11.
How does
16 matches
Mail list logo
