On 2024-11-07 2:03 p.m., Colton Lewis wrote:
> Previously any PMU overflow interrupt that fired while a VCPU was
> loaded was recorded as a guest event whether it truly was or not. This
> resulted in nonsense perf recordings that did not honor
> perf_event_attr.exclude_guest and recorded guest I
On 2024-11-07 2:03 p.m., Colton Lewis wrote:
> Break the assignment logic for misc flags into their own respective
> functions to reduce the complexity of the nested logic.
>
> Signed-off-by: Colton Lewis
> Reviewed-by: Oliver Upton
> ---
Acked-by: Kan Liang
Thanks,
Kan
> arch/x86/events/
On 2024-11-07 2:03 p.m., Colton Lewis wrote:
> For clarity, rename the arch-specific definitions of these functions
> to perf_arch_* to denote they are arch-specifc. Define the
> generic-named functions in one place where they can call the
> arch-specific ones as needed.
>
> Signed-off-by: Colt
On 2024-11-06 2:53 p.m., Oliver Upton wrote:
> On Wed, Nov 06, 2024 at 11:07:53AM -0500, Liang, Kan wrote:
>>> +#ifndef perf_arch_guest_misc_flags
>>> +static inline unsigned long perf_arch_guest_misc_flags(struct pt_regs
>>> *regs)
>>> +{
>>>
On 2024-11-06 3:02 p.m., Oliver Upton wrote:
> On Wed, Nov 06, 2024 at 11:03:10AM -0500, Liang, Kan wrote:
>>> +static unsigned long common_misc_flags(struct pt_regs *regs)
>>> +{
>>> + if (regs->flags & PERF_EFLAGS_EXACT)
>>> + return P
On 2024-11-05 2:56 p.m., Colton Lewis wrote:
> Previously any PMU overflow interrupt that fired while a VCPU was
> loaded was recorded as a guest event whether it truly was or not. This
> resulted in nonsense perf recordings that did not honor
> perf_event_attr.exclude_guest and recorded guest I
On 2024-11-05 2:56 p.m., Colton Lewis wrote:
> Break the assignment logic for misc flags into their own respective
> functions to reduce the complexity of the nested logic.
>
> Signed-off-by: Colton Lewis
> Reviewed-by: Oliver Upton
> ---
> arch/x86/events/core.c| 31
On 9/23/2021 1:26 PM, Ben Widawsky wrote:
Add pci_find_dvsec_capability to locate a Designated Vendor-Specific
Extended Capability with the specified DVSEC ID.
The Designated Vendor-Specific Extended Capability (DVSEC) allows one or
more vendor specific capabilities that aren't tied to the ve
, Nov 12, 2020 at 4:54 AM Liang, Kan
wrote:
On 11/11/2020 11:25 AM, Peter Zijlstra wrote:
On Mon, Nov 09, 2020 at 09:49:31AM -0500, Liang, Kan wrote:
- When the large PEBS was introduced (9c964efa4330), the
sched_task() should
be invoked to flush the PEBS buffer in each context switch
On 11/13/2020 6:19 AM, Peter Zijlstra wrote:
The (new) page-table walker in arch_perf_get_page_size() is broken in
various ways. Specifically while it is used in a locless manner, it
doesn't depend on CONFIG_HAVE_FAST_GUP nor uses the proper _lockless
offset methods, nor is careful to only rea
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