On Thu, Feb 04, 2021 at 12:14:12PM +, Mike Leach wrote:
[...]
> > >>> +To support tracing PID for the kernel runs at different exception
> > >>> levels,
> > >>> +the PMU formats are defined as follow:
> > >>> +
> > >>> + "contextid1": Available on both EL1 kernel and EL2 kernel. When the
>
Hi,
On Thu, 4 Feb 2021 at 11:08, Suzuki K Poulose wrote:
>
> On 2/4/21 4:09 AM, Leo Yan wrote:
> > Hi Mike,
> >
> > On Wed, Feb 03, 2021 at 05:39:54PM +, Mike Leach wrote:
> >
> > [...]
> >
> >>> +2.2) Tracing PID
> >>> +
> >>> +When the kernel is running at EL2 with Virtualization Host Exten
On 2/4/21 4:09 AM, Leo Yan wrote:
Hi Mike,
On Wed, Feb 03, 2021 at 05:39:54PM +, Mike Leach wrote:
[...]
+2.2) Tracing PID
+
+When the kernel is running at EL2 with Virtualization Host Extensions (VHE),
+perf records CONTEXTIDR_EL2 in the trace data and can be used as PID when
+decoding;
Hi Mike,
On Wed, Feb 03, 2021 at 05:39:54PM +, Mike Leach wrote:
[...]
> > +2.2) Tracing PID
> > +
> > +When the kernel is running at EL2 with Virtualization Host Extensions
> > (VHE),
> > +perf records CONTEXTIDR_EL2 in the trace data and can be used as PID when
> > +decoding; and if the k
On Tue, Feb 02, 2021 at 11:24:48PM +, Suzuki Kuruppassery Poulose wrote:
> On 2/2/21 4:38 PM, Leo Yan wrote:
> > After support the PID tracing for the kernel in EL1 or EL2, the usage
> > gets more complicated.
> >
> > This patch gives description for the PMU formats of contextID configs,
> > t
Hi,
On Tue, 2 Feb 2021 at 16:39, Leo Yan wrote:
>
> After support the PID tracing for the kernel in EL1 or EL2, the usage
> gets more complicated.
>
> This patch gives description for the PMU formats of contextID configs,
> this can help users to understand how to control the knobs for PID
> trac
On 2/2/21 4:38 PM, Leo Yan wrote:
After support the PID tracing for the kernel in EL1 or EL2, the usage
gets more complicated.
This patch gives description for the PMU formats of contextID configs,
this can help users to understand how to control the knobs for PID
tracing when the kernel is in d
After support the PID tracing for the kernel in EL1 or EL2, the usage
gets more complicated.
This patch gives description for the PMU formats of contextID configs,
this can help users to understand how to control the knobs for PID
tracing when the kernel is in different ELs.
Signed-off-by: Leo Ya
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