On Sat, Jan 14, 2017 at 09:58:29AM +0700, Suravee Suthikulpanit wrote:
> I'll update the commit log to mention
> /bus/event_source/devices/amd_iommu_X instead.
Yes, so /sys/devices/ contains *all* devices on the system and the iommu
ones appear there too but since in the commit message you were ta
On 1/13/17 18:49, Borislav Petkov wrote:
On Fri, Jan 13, 2017 at 05:24:01PM +0700, Suravee Suthikulpanit wrote:
IIUC, Perf tools looks at the /sys/devices/x to identify
availalble PMUs. Are you planning to have perf tools look at
/sys/devices/system/iommu/xxx instead?
No, I'm planning to
On Fri, Jan 13, 2017 at 05:24:01PM +0700, Suravee Suthikulpanit wrote:
> IIUC, Perf tools looks at the /sys/devices/x to identify
> availalble PMUs. Are you planning to have perf tools look at
> /sys/devices/system/iommu/xxx instead?
No, I'm planning to understand what do you mean exactly. Bec
Boris,
On 1/13/17 00:52, Borislav Petkov wrote:
On Mon, Jan 09, 2017 at 09:33:47PM -0600, Suravee Suthikulpanit wrote:
This patch adds multi-IOMMU support for perf by exposing
an AMD IOMMU PMU for each IOMMU found in the system via:
/sys/device/amd_iommu_x /* where x is the IOMMU index.
On Mon, Jan 09, 2017 at 09:33:47PM -0600, Suravee Suthikulpanit wrote:
> This patch adds multi-IOMMU support for perf by exposing
> an AMD IOMMU PMU for each IOMMU found in the system via:
>
> /sys/device/amd_iommu_x /* where x is the IOMMU index. */
Straight into the top-level devices hier
This patch adds multi-IOMMU support for perf by exposing
an AMD IOMMU PMU for each IOMMU found in the system via:
/sys/device/amd_iommu_x /* where x is the IOMMU index. */
This allows users to specify different events to be programed
onto performance counters of each IOMMU.
Cc: Peter Zijls
