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c446870d80
Hook into session processing so that AUX area decoding can synthesize events transparently to the tools. The advantages of transparent decoding are that tools can be used directly with perf.data files containing AUX area tracing data, which is easier for the user and more efficient than having a separate decoding tool. This will work as follows: 1. Tools will feed auxtrace events to the decoder using perf_tool->auxtrace() (support for that still to come). 2. The decoder can process side-band events as needed due to the auxtrace->process_event() hook. 3. The decoder can deliver synthesized events into the event stream using perf_session__deliver_synth_event(). Note the expectation is that decoding will work on data that is time-ordered with respect to the per-cpu or per-thread contexts that were recorded. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1428594864-29309-9-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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