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20 Throughout this document we will refer to an "EBB event" or "EBB events". This
39 and attach an EBB event to the process, which will then cause EBBs to be
44 user process. This means once an EBB event is scheduled on the PMU, no non-EBB
55 If an EBB event and a regular event are both pinned, then whichever is enabled
57 section below titled "Enabling an EBB event" for more information.
60 Creating an EBB event
63 To request that an event is counted using EBB, the event code should have bit
87 Enabling an EBB event
90 Once an EBB event has been successfully opened, it must be enabled with the
94 However, due to the design of the perf_events API, enabling an event does not
102 this case the enable will be successful. However if there is already an event
106 Reading an EBB event
109 It is possible to read() from an EBB event. However the results are
114 Closing an EBB event
117 When an EBB event is finished with, you can close it using close() as for any
126 the style of an interrupt handler. When the handler is entered all registers
131 option is to create an interrupt frame on the stack and save registers there.