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2015-08-24perf tools: Pass Intel PT information for decoding MTC and CYCAdrian Hunter1-0/+5
Record additional information in the AUXTRACE_INFO event in preparation for decoding MTC and CYC packets. Pass the information to the decoder. The AUXTRACE_INFO record can be extended by using the size to indicate the presence of new members. The additional information includes PMU config bit positions and the TSC to CTC (hardware crystal clock) ratio needed to decode MTC packets. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1437150840-31811-20-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-08-17perf tools: Add Intel PT supportAdrian Hunter1-0/+51
Add support for Intel Processor Trace. Intel PT support fits within the new auxtrace infrastructure. Recording is supporting by identifying the Intel PT PMU, parsing options and setting up events. Decoding is supported by queuing up trace data by cpu or thread and then decoding synchronously delivering synthesized event samples into the session processing for tools to consume. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1437150840-31811-7-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>