perf/x86/amd: Add support for new IOMMU performance events

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)

Signed-off-by: Suravee Suthikulpanit <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Reviewed-by: Joerg Roedel <[email protected]>
Acked-by: Joerg Roedel <[email protected]>
Cc: <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Vince Weaver <[email protected]>
Link: http://support.amd.com/TechDocs/48882_IOMMU.pdf
Signed-off-by: Ingo Molnar <[email protected]>

diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c
index 635e5eba0caf87f432d97bcf178db025e5cb4cca..40625ca7a190953fc87c386a03017bab96903435 100644 (file)
--- a/arch/x86/events/amd/iommu.c
+++ b/arch/x86/events/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 */ },
 };