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601897b54c
Add AUX area tracing option 'l' to synthesize branch stacks on samples just like sample type PERF_SAMPLE_BRANCH_STACK. This is taken into use by Intel PT in a subsequent patch. Based-on-patch-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1443186956-18718-9-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
27 lines
823 B
Plaintext
27 lines
823 B
Plaintext
i synthesize instructions events
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b synthesize branches events
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c synthesize branches events (calls only)
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r synthesize branches events (returns only)
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x synthesize transactions events
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e synthesize error events
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d create a debug log
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g synthesize a call chain (use with i or x)
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l synthesize last branch entries (use with i or x)
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The default is all events i.e. the same as --itrace=ibxe
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In addition, the period (default 100000) for instructions events
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can be specified in units of:
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i instructions
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t ticks
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ms milliseconds
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us microseconds
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ns nanoseconds (default)
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Also the call chain size (default 16, max. 1024) for instructions or
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transactions events can be specified.
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Also the number of last branch entries (default 64, max. 1024) for
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instructions or transactions events can be specified.
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