linux/tools/perf/util/intel-pt-decoder
Adrian Hunter e1717e0485 perf intel-pt: Fix ip compression
The June 2015 Intel SDM introduced IP Compression types 4 and 6. Refer
to section 36.4.2.2 Target IP (TIP) Packet - IP Compression.

Existing Intel PT packet decoder did not support type 4, and got type 6
wrong.  Because type 3 and type 4 have the same number of bytes, the
packet 'count' has been changed from being the number of ip bytes to
being the type code.  That allows the Intel PT decoder to correctly
decide whether to sign-extend or use the last ip.  However that also
meant the code had to be adjusted in a number of places.

Currently hardware is not using the new compression types, so this fix
has no effect on existing hardware.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1469005206-3049-1-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-08-12 14:39:48 -03:00
..
Build perf intel-pt-decoder: Avoid checking code drift on busibox's diff 2016-07-12 15:20:41 -03:00
gen-insn-attr-x86.awk perf tools: Add AVX-512 support to the instruction decoder used by Intel PT 2016-07-21 09:37:18 -03:00
inat.c perf tools: Fix tarball build broken by pt/bts 2015-08-22 12:27:07 -03:00
inat.h perf tools: Add AVX-512 support to the instruction decoder used by Intel PT 2016-07-21 09:37:18 -03:00
inat_types.h perf tools: Fix tarball build broken by pt/bts 2015-08-22 12:27:07 -03:00
insn.c perf tools: Add AVX-512 support to the instruction decoder used by Intel PT 2016-07-21 09:37:18 -03:00
insn.h perf tools: Add AVX-512 support to the instruction decoder used by Intel PT 2016-07-21 09:37:18 -03:00
intel-pt-decoder.c perf intel-pt: Fix ip compression 2016-08-12 14:39:48 -03:00
intel-pt-decoder.h perf tools: Add Intel PT support for decoding MTC packets 2015-08-24 17:46:56 -03:00
intel-pt-insn-decoder.c perf tools: Fix build on powerpc broken by pt/bts 2015-08-31 15:47:33 -03:00
intel-pt-insn-decoder.h perf tools: Add Intel PT instruction decoder 2015-08-17 11:11:36 -03:00
intel-pt-log.c perf intel-pt: Make logging slightly more efficient 2015-09-28 16:45:26 -03:00
intel-pt-log.h perf intel-pt: Make logging slightly more efficient 2015-09-28 16:45:26 -03:00
intel-pt-pkt-decoder.c perf intel-pt: Fix ip compression 2016-08-12 14:39:48 -03:00
intel-pt-pkt-decoder.h perf tools: Add new Intel PT packet definitions 2015-08-24 17:46:06 -03:00
x86-opcode-map.txt libnvdimm for 4.8 2016-07-28 17:38:16 -07:00