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perf tools: Add Intel PT log

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Add a facility to log Intel Processor Trace decoding.  The log is
intended for debugging purposes only.

The log file name is "intel_pt.log" and is opened in the current
directory.  The log contains a record of all packets and instructions
decoded and can get very large (10 MB would be a small one).

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1437150840-31811-5-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2015-07-17 19:33:39 +03:00 • committed by Arnaldo Carvalho de Melo
parent 237fae79f5
commit 53af92849d
3 changed files with 208 additions and 1 deletions
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2
tools/perf/util/intel-pt-decoder/Build
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@ -1,4 +1,4 @@
libperf-$(CONFIG_AUXTRACE) += intel-pt-pkt-decoder.o intel-pt-insn-decoder.o
libperf-$(CONFIG_AUXTRACE) += intel-pt-pkt-decoder.o intel-pt-insn-decoder.o intel-pt-log.o
inat_tables_script = util/intel-pt-decoder/gen-insn-attr-x86.awk
inat_tables_maps = util/intel-pt-decoder/x86-opcode-map.txt