* [PATCH] perf/x86/amd: Adding support for new IOMMU performance event
@ 2015-12-11 22:53 Suravee Suthikulpanit
2015-12-14 15:05 ` Joerg Roedel
0 siblings, 1 reply; 2+ messages in thread
From: Suravee Suthikulpanit @ 2015-12-11 22:53 UTC (permalink / raw)
To: peterz-wEGCiKHe2LqWVfeAwA7xHQ, mingo-H+wXaHxf7aLQT0dZR+AlfA,
acme-DgEjT+Ai2ygdnm+yROfE0A, joro-zLv9SwRftAIdnm+yROfE0A
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA
From: Suravee Suthikulpanit <suravee.suthikulpanit-5C7GfCeVMHo@public.gmane.org>
This patch adds new IOMMU performance event based on
the information in table 74 of the AMD I/O Virtualization Technology
(IOMMU) Specification (Document Id: 4882, Rev 2.62, Feb 2015)
Link: http://support.amd.com/TechDocs/48882_IOMMU.pdf
Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit-5C7GfCeVMHo@public.gmane.org>
---
arch/x86/kernel/cpu/perf_event_amd_iommu.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/x86/kernel/cpu/perf_event_amd_iommu.c b/arch/x86/kernel/cpu/perf_event_amd_iommu.c
index 97242a9..86f8259 100644
--- a/arch/x86/kernel/cpu/perf_event_amd_iommu.c
+++ b/arch/x86/kernel/cpu/perf_event_amd_iommu.c
@@ -118,6 +118,11 @@ static struct amd_iommu_event_desc amd_iommu_v2_event_descs[] = {
AMD_IOMMU_EVENT_DESC(cmd_processed, "csource=0x11"),
AMD_IOMMU_EVENT_DESC(cmd_processed_inv, "csource=0x12"),
AMD_IOMMU_EVENT_DESC(tlb_inv, "csource=0x13"),
+ AMD_IOMMU_EVENT_DESC(ign_rd_wr_mmio_1ff8h, "csource=0x14"),
+ AMD_IOMMU_EVENT_DESC(vapic_int_non_guest, "csource=0x15"),
+ AMD_IOMMU_EVENT_DESC(vapic_int_guest, "csource=0x16"),
+ AMD_IOMMU_EVENT_DESC(smi_recv, "csource=0x17"),
+ AMD_IOMMU_EVENT_DESC(smi_blk, "csource=0x18"),
{ /* end: all zeroes */ },
};
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] perf/x86/amd: Adding support for new IOMMU performance event
2015-12-11 22:53 [PATCH] perf/x86/amd: Adding support for new IOMMU performance event Suravee Suthikulpanit
@ 2015-12-14 15:05 ` Joerg Roedel
0 siblings, 0 replies; 2+ messages in thread
From: Joerg Roedel @ 2015-12-14 15:05 UTC (permalink / raw)
To: Suravee Suthikulpanit; +Cc: peterz, mingo, acme, linux-kernel, iommu
On Fri, Dec 11, 2015 at 04:53:17PM -0600, Suravee Suthikulpanit wrote:
> From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
>
> This patch adds new IOMMU performance event based on
> the information in table 74 of the AMD I/O Virtualization Technology
> (IOMMU) Specification (Document Id: 4882, Rev 2.62, Feb 2015)
>
> Link: http://support.amd.com/TechDocs/48882_IOMMU.pdf
> Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
> ---
> arch/x86/kernel/cpu/perf_event_amd_iommu.c | 5 +++++
> 1 file changed, 5 insertions(+)
Reviewed-by: Joerg Roedel <jroedel@suse.de>
Acked-by: Joerg Roedel <jroedel@suse.de>
>
> diff --git a/arch/x86/kernel/cpu/perf_event_amd_iommu.c b/arch/x86/kernel/cpu/perf_event_amd_iommu.c
> index 97242a9..86f8259 100644
> --- a/arch/x86/kernel/cpu/perf_event_amd_iommu.c
> +++ b/arch/x86/kernel/cpu/perf_event_amd_iommu.c
> @@ -118,6 +118,11 @@ static struct amd_iommu_event_desc amd_iommu_v2_event_descs[] = {
> AMD_IOMMU_EVENT_DESC(cmd_processed, "csource=0x11"),
> AMD_IOMMU_EVENT_DESC(cmd_processed_inv, "csource=0x12"),
> AMD_IOMMU_EVENT_DESC(tlb_inv, "csource=0x13"),
> + AMD_IOMMU_EVENT_DESC(ign_rd_wr_mmio_1ff8h, "csource=0x14"),
> + AMD_IOMMU_EVENT_DESC(vapic_int_non_guest, "csource=0x15"),
> + AMD_IOMMU_EVENT_DESC(vapic_int_guest, "csource=0x16"),
> + AMD_IOMMU_EVENT_DESC(smi_recv, "csource=0x17"),
> + AMD_IOMMU_EVENT_DESC(smi_blk, "csource=0x18"),
> { /* end: all zeroes */ },
> };
>
> --
> 1.9.1
>
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