ay, August 28, 2020 10:29 PM
> >> To: Song Bao Hua (Barry Song)
> >> Cc: iommu@lists.linux-foundation.org;
> linux-arm-ker...@lists.infradead.org;
> >> robin.mur...@arm.com; j...@8bytes.org; Linuxarm
>
> >> Subject: Re: [PATCH] iommu/arm-smmu-v3
...@8bytes.org; Linuxarm
Subject: Re: [PATCH] iommu/arm-smmu-v3: add tracepoints for
cmdq_issue_cmdlist
On Thu, Aug 27, 2020 at 09:33:51PM +1200, Barry Song wrote:
cmdq_issue_cmdlist() is the hotspot that uses a lot of time. This patch
adds tracepoints for it to help debug.
Signed-off-by: Barry
arm
> Subject: Re: [PATCH] iommu/arm-smmu-v3: add tracepoints for
> cmdq_issue_cmdlist
>
> On Thu, Aug 27, 2020 at 09:33:51PM +1200, Barry Song wrote:
> > cmdq_issue_cmdlist() is the hotspot that uses a lot of time. This patch
> > adds tracepoints for it to hel
On Thu, Aug 27, 2020 at 09:33:51PM +1200, Barry Song wrote:
> cmdq_issue_cmdlist() is the hotspot that uses a lot of time. This patch
> adds tracepoints for it to help debug.
>
> Signed-off-by: Barry Song
> ---
> * can furthermore develop an eBPF program to benchmark using this trace
Hmm, don't
Cc: iommu@lists.linux-foundation.org; linux-arm-ker...@lists.infradead.org;
> > robin.mur...@arm.com; w...@kernel.org; Linuxarm
> > Subject: Re: [PATCH] iommu/arm-smmu-v3: add tracepoints for
> > cmdq_issue_cmdlist
> >
> > Hi,
> >
> > On Thu, Aug 27, 2020 at
rnel.org; Linuxarm
> Subject: Re: [PATCH] iommu/arm-smmu-v3: add tracepoints for
> cmdq_issue_cmdlist
>
> Hi,
>
> On Thu, Aug 27, 2020 at 09:33:51PM +1200, Barry Song wrote:
> > cmdq_issue_cmdlist() is the hotspot that uses a lot of time. This
> > patch adds tracepo
Hi,
On Thu, Aug 27, 2020 at 09:33:51PM +1200, Barry Song wrote:
> cmdq_issue_cmdlist() is the hotspot that uses a lot of time. This patch
> adds tracepoints for it to help debug.
>
> Signed-off-by: Barry Song
> ---
> * can furthermore develop an eBPF program to benchmark using this trace
Have
