Shuah Khan 7f6db17172 iommu: Add event tracing feature to iommu ... Add tracing feature to iommu to report various iommu events. Classes iommu_group, iommu_device, and iommu_map_unmap are defined. iommu_group class events can be enabled to trigger when devices get added to and removed from an iommu group. Trace information includes iommu group id and device name. iommu:add_device_to_group iommu:remove_device_from_group iommu_device class events can be enabled to trigger when devices are attached to and detached from a domain. Trace information includes device name. iommu:attach_device_to_domain iommu:detach_device_from_domain iommu_map_unmap class events can be enabled to trigger when iommu map and unmap iommu ops. Trace information includes iova, physical address (map event only), and size. iommu:map iommu:unmap Signed-off-by: Shuah Khan <shuah.kh@samsung.com> Signed-off-by: Joerg Roedel <joro@8bytes.org>		2013-09-24 12:35:24 +02:00
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events	iommu: Add event tracing feature to iommu	2013-09-24 12:35:24 +02:00
define_trace.h	tracing: Add DEFINE_EVENT_FN() macro	2013-06-20 22:24:32 -07:00
ftrace.h	tracing/perf: Avoid perf_trace_buf_*() in perf_trace_##call() when possible	2013-08-13 21:06:30 -04:00
syscall.h	tracing: Add missing syscall_metadata comment	2013-07-01 20:34:25 -04:00