€•þT      Œsphinx.addnodes”Œdocument”“”)”}”(Œ	rawsource”Œ ”Œchildren”]”(Œtranslations”ŒLanguagesNode”“”)”}”(hhh]”(h Œpending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ
attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ	refdomain”Œstd”Œreftype”Œdoc”Œ	reftarget”Œ2/translations/zh_CN/trace/coresight/coresight-perf”Œmodname”NŒ	classname”NŒrefexplicit”ˆuŒtagname”hhhubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ2/translations/zh_TW/trace/coresight/coresight-perf”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ2/translations/it_IT/trace/coresight/coresight-perf”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ2/translations/ja_JP/trace/coresight/coresight-perf”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ2/translations/ko_KR/trace/coresight/coresight-perf”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ2/translations/sp_SP/trace/coresight/coresight-perf”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒcomment”“”)”}”(hŒ SPDX-License-Identifier: GPL-2.0”h]”hŒ SPDX-License-Identifier: GPL-2.0”…””}”hh£sbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1h¡hhhžhhŸŒL/var/lib/git/docbuild/linux/Documentation/trace/coresight/coresight-perf.rst”h KubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒCoreSight - Perf”h]”hŒCoreSight - Perf”…””}”(hh»hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hh¶hžhhŸh³h KubhŒblock_quote”“”)”}”(hŒR:Author:   Carsten Haitzler <carsten.haitzler@arm.com>
:Date:     June 29th, 2022
”h]”hŒ
field_list”“”)”}”(hhh]”(hŒfield”“”)”}”(hhh]”(hŒ
field_name”“”)”}”(hŒAuthor”h]”hŒAuthor”…””}”(hhÛhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÙhhÖhŸh³h K ubhŒ
field_body”“”)”}”(hŒ+Carsten Haitzler <carsten.haitzler@arm.com>”h]”hŒ	paragraph”“”)”}”(hhíh]”(hŒCarsten Haitzler <”…””}”(hhñhžhhŸNh NubhŒ	reference”“”)”}”(hŒcarsten.haitzler@arm.com”h]”hŒcarsten.haitzler@arm.com”…””}”(hhúhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:carsten.haitzler@arm.com”uh1høhhñubhŒ>”…””}”(hhñhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Khhëubah}”(h]”h ]”h"]”h$]”h&]”uh1héhhÖubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÔhŸh³h KhhÑubhÕ)”}”(hhh]”(hÚ)”}”(hŒDate”h]”hŒDate”…””}”(hj#  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÙhj   hŸh³h K ubhê)”}”(hŒJune 29th, 2022
”h]”hð)”}”(hŒJune 29th, 2022”h]”hŒJune 29th, 2022”…””}”(hj5  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Khj1  ubah}”(h]”h ]”h"]”h$]”h&]”uh1héhj   ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÔhŸh³h KhhÑubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÏhhËubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Khh¶hžhubhð)”}”(hX
  Perf is able to locally access CoreSight trace data and store it to the
output perf data files. This data can then be later decoded to give the
instructions that were traced for debugging or profiling purposes. You
can log such data with a perf record command like::”h]”hX	  Perf is able to locally access CoreSight trace data and store it to the
output perf data files. This data can then be later decoded to give the
instructions that were traced for debugging or profiling purposes. You
can log such data with a perf record command like:”…””}”(hj[  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h K
hh¶hžhubhŒliteral_block”“”)”}”(hŒ#perf record -e cs_etm//u testbinary”h]”hŒ#perf record -e cs_etm//u testbinary”…””}”hjk  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1ji  hŸh³h Khh¶hžhubhð)”}”(hŒðThis would run some test binary (testbinary) until it exits and record
a perf.data trace file. That file would have AUX sections if CoreSight
is working correctly. You can dump the content of this file as
readable text with a command like::”h]”hŒïThis would run some test binary (testbinary) until it exits and record
a perf.data trace file. That file would have AUX sections if CoreSight
is working correctly. You can dump the content of this file as
readable text with a command like:”…””}”(hjy  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Khh¶hžhubjj  )”}”(hŒ'perf report --stdio --dump -i perf.data”h]”hŒ'perf report --stdio --dump -i perf.data”…””}”hj‡  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1ji  hŸh³h Khh¶hžhubhð)”}”(hŒFYou should find some sections of this file have AUX data blocks like::”h]”hŒEYou should find some sections of this file have AUX data blocks like:”…””}”(hj•  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Khh¶hžhubjj  )”}”(hX  0x1e78 [0x30]: PERF_RECORD_AUXTRACE size: 0x11dd0  offset: 0  ref: 0x1b614fc1061b0ad1  idx: 0  tid: 531230  cpu: -1

. ... CoreSight ETM Trace data: size 73168 bytes
        Idx:0; ID:10;   I_ASYNC : Alignment Synchronisation.
          Idx:12; ID:10;  I_TRACE_INFO : Trace Info.; INFO=0x0 { CC.0 }
          Idx:17; ID:10;  I_ADDR_L_64IS0 : Address, Long, 64 bit, IS0.; Addr=0x0000000000000000;
          Idx:26; ID:10;  I_TRACE_ON : Trace On.
          Idx:27; ID:10;  I_ADDR_CTXT_L_64IS0 : Address & Context, Long, 64 bit, IS0.; Addr=0x0000FFFFB6069140; Ctxt: AArch64,EL0, NS;
          Idx:38; ID:10;  I_ATOM_F6 : Atom format 6.; EEEEEEEEEEEEEEEEEEEEEEEE
          Idx:39; ID:10;  I_ATOM_F6 : Atom format 6.; EEEEEEEEEEEEEEEEEEEEEEEE
          Idx:40; ID:10;  I_ATOM_F6 : Atom format 6.; EEEEEEEEEEEEEEEEEEEEEEEE
          Idx:41; ID:10;  I_ATOM_F6 : Atom format 6.; EEEEEEEEEEEN
          ...”h]”hX  0x1e78 [0x30]: PERF_RECORD_AUXTRACE size: 0x11dd0  offset: 0  ref: 0x1b614fc1061b0ad1  idx: 0  tid: 531230  cpu: -1

. ... CoreSight ETM Trace data: size 73168 bytes
        Idx:0; ID:10;   I_ASYNC : Alignment Synchronisation.
          Idx:12; ID:10;  I_TRACE_INFO : Trace Info.; INFO=0x0 { CC.0 }
          Idx:17; ID:10;  I_ADDR_L_64IS0 : Address, Long, 64 bit, IS0.; Addr=0x0000000000000000;
          Idx:26; ID:10;  I_TRACE_ON : Trace On.
          Idx:27; ID:10;  I_ADDR_CTXT_L_64IS0 : Address & Context, Long, 64 bit, IS0.; Addr=0x0000FFFFB6069140; Ctxt: AArch64,EL0, NS;
          Idx:38; ID:10;  I_ATOM_F6 : Atom format 6.; EEEEEEEEEEEEEEEEEEEEEEEE
          Idx:39; ID:10;  I_ATOM_F6 : Atom format 6.; EEEEEEEEEEEEEEEEEEEEEEEE
          Idx:40; ID:10;  I_ATOM_F6 : Atom format 6.; EEEEEEEEEEEEEEEEEEEEEEEE
          Idx:41; ID:10;  I_ATOM_F6 : Atom format 6.; EEEEEEEEEEEN
          ...”…””}”hj£  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1ji  hŸh³h Khh¶hžhubhð)”}”(hŒMIf you see these above, then your system is tracing CoreSight data
correctly.”h]”hŒMIf you see these above, then your system is tracing CoreSight data
correctly.”…””}”(hj±  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h K(hh¶hžhubhð)”}”(hŒGTo compile perf with CoreSight support in the tools/perf directory do::”h]”hŒFTo compile perf with CoreSight support in the tools/perf directory do:”…””}”(hj¿  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h K+hh¶hžhubjj  )”}”(hŒmake CORESIGHT=1”h]”hŒmake CORESIGHT=1”…””}”hjÍ  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1ji  hŸh³h K-hh¶hžhubhð)”}”(hŒ¾This requires OpenCSD to build. You may install distribution packages
for the support such as libopencsd and libopencsd-dev or download it
and build yourself. Upstream OpenCSD is located at:”h]”hŒ¾This requires OpenCSD to build. You may install distribution packages
for the support such as libopencsd and libopencsd-dev or download it
and build yourself. Upstream OpenCSD is located at:”…””}”(hjÛ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h K/hh¶hžhubhÊ)”}”(hŒ"https://github.com/Linaro/OpenCSD
”h]”hð)”}”(hŒ!https://github.com/Linaro/OpenCSD”h]”hù)”}”(hjï  h]”hŒ!https://github.com/Linaro/OpenCSD”…””}”(hjñ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”jï  uh1høhjí  ubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h K3hjé  ubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K3hh¶hžhubhð)”}”(hŒbFor complete information on building perf with CoreSight support and
more extensive usage look at:”h]”hŒbFor complete information on building perf with CoreSight support and
more extensive usage look at:”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h K5hh¶hžhubhÊ)”}”(hŒ8https://github.com/Linaro/OpenCSD/blob/master/HOWTO.md

”h]”hð)”}”(hŒ6https://github.com/Linaro/OpenCSD/blob/master/HOWTO.md”h]”hù)”}”(hj  h]”hŒ6https://github.com/Linaro/OpenCSD/blob/master/HOWTO.md”…””}”(hj!  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”j  uh1høhj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h K8hj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K8hh¶hžhubhµ)”}”(hhh]”(hº)”}”(hŒKernel CoreSight Support”h]”hŒKernel CoreSight Support”…””}”(hj>  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hj;  hžhhŸh³h K<ubhð)”}”(hŒ_You will also want CoreSight support enabled in your kernel config.
Ensure it is enabled with::”h]”hŒ^You will also want CoreSight support enabled in your kernel config.
Ensure it is enabled with:”…””}”(hjL  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h K>hj;  hžhubjj  )”}”(hŒCONFIG_CORESIGHT=y”h]”hŒCONFIG_CORESIGHT=y”…””}”hjZ  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1ji  hŸh³h KAhj;  hžhubhð)”}”(hŒOThere are various other CoreSight options you probably also want
enabled like::”h]”hŒNThere are various other CoreSight options you probably also want
enabled like:”…””}”(hjh  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h KChj;  hžhubjj  )”}”(hŒúCONFIG_CORESIGHT_LINKS_AND_SINKS=y
CONFIG_CORESIGHT_LINK_AND_SINK_TMC=y
CONFIG_CORESIGHT_CATU=y
CONFIG_CORESIGHT_SINK_TPIU=y
CONFIG_CORESIGHT_SINK_ETBV10=y
CONFIG_CORESIGHT_SOURCE_ETM4X=y
CONFIG_CORESIGHT_CTI=y
CONFIG_CORESIGHT_CTI_INTEGRATION_REGS=y”h]”hŒúCONFIG_CORESIGHT_LINKS_AND_SINKS=y
CONFIG_CORESIGHT_LINK_AND_SINK_TMC=y
CONFIG_CORESIGHT_CATU=y
CONFIG_CORESIGHT_SINK_TPIU=y
CONFIG_CORESIGHT_SINK_ETBV10=y
CONFIG_CORESIGHT_SOURCE_ETM4X=y
CONFIG_CORESIGHT_CTI=y
CONFIG_CORESIGHT_CTI_INTEGRATION_REGS=y”…””}”hjv  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1ji  hŸh³h KFhj;  hžhubhð)”}”(hŒCPlease refer to the kernel configuration help for more information.”h]”hŒCPlease refer to the kernel configuration help for more information.”…””}”(hj„  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h KOhj;  hžhubeh}”(h]”Œkernel-coresight-support”ah ]”h"]”Œkernel coresight support”ah$]”h&]”uh1h´hh¶hžhhŸh³h K<ubhµ)”}”(hhh]”(hº)”}”(hŒ;Perf test - Verify kernel and userspace perf CoreSight work”h]”hŒ;Perf test - Verify kernel and userspace perf CoreSight work”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hjš  hžhhŸh³h KRubhð)”}”(hX  When you run perf test, it will do a lot of self tests. Some of those
tests will cover CoreSight (only if enabled and on ARM64). You
generally would run perf test from the tools/perf directory in the
kernel tree. Some tests will check some internal perf support like:”h]”hX  When you run perf test, it will do a lot of self tests. Some of those
tests will cover CoreSight (only if enabled and on ARM64). You
generally would run perf test from the tools/perf directory in the
kernel tree. Some tests will check some internal perf support like:”…””}”(hj«  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h KThjš  hžhubhÊ)”}”(hŒ|Check Arm CoreSight trace data recording and synthesized samples
Check Arm SPE trace data recording and synthesized samples
”h]”hð)”}”(hŒ{Check Arm CoreSight trace data recording and synthesized samples
Check Arm SPE trace data recording and synthesized samples”h]”hŒ{Check Arm CoreSight trace data recording and synthesized samples
Check Arm SPE trace data recording and synthesized samples”…””}”(hj½  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h KYhj¹  ubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KYhjš  hžhubhð)”}”(hX  Some others will actually use perf record and some test binaries that
are in tests/shell/coresight and will collect traces to ensure a
minimum level of functionality is met. The scripts that launch these
tests are in the same directory. These will all look like:”h]”hX  Some others will actually use perf record and some test binaries that
are in tests/shell/coresight and will collect traces to ensure a
minimum level of functionality is met. The scripts that launch these
tests are in the same directory. These will all look like:”…””}”(hjÑ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h K\hjš  hžhubhÊ)”}”(hŒpCoreSight / ASM Pure Loop
CoreSight / Memcpy 16k 10 Threads
CoreSight / Thread Loop 10 Threads - Check TID
etc.
”h]”hð)”}”(hŒoCoreSight / ASM Pure Loop
CoreSight / Memcpy 16k 10 Threads
CoreSight / Thread Loop 10 Threads - Check TID
etc.”h]”hŒoCoreSight / ASM Pure Loop
CoreSight / Memcpy 16k 10 Threads
CoreSight / Thread Loop 10 Threads - Check TID
etc.”…””}”(hjã  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Kahjß  ubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Kahjš  hžhubhð)”}”(hX9  These perf record tests will not run if the tool binaries do not exist
in tests/shell/coresight/\*/ and will be skipped. If you do not have
CoreSight support in hardware then either do not build perf with
CoreSight support or remove these binaries in order to not have these
tests fail and have them skip instead.”h]”hX9  These perf record tests will not run if the tool binaries do not exist
in tests/shell/coresight/ */ and will be skipped. If you do not have
CoreSight support in hardware then either do not build perf with
CoreSight support or remove these binaries in order to not have these
tests fail and have them skip instead.”…””}”(hj÷  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Kfhjš  hžhubhð)”}”(hŒThese tests will log historical results in the current working
directory (e.g. tools/perf) and will be named stats-\*.csv like:”h]”hŒThese tests will log historical results in the current working
directory (e.g. tools/perf) and will be named stats- *.csv like:”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Klhjš  hžhubhÊ)”}”(hŒ?stats-asm_pure_loop-out.csv
stats-memcpy_thread-16k_10.csv
...
”h]”hð)”}”(hŒ>stats-asm_pure_loop-out.csv
stats-memcpy_thread-16k_10.csv
...”h]”hŒ>stats-asm_pure_loop-out.csv
stats-memcpy_thread-16k_10.csv
...”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Kohj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Kohjš  hžhubhð)”}”(hXá  These statistic files log some aspects of the AUX data sections in
the perf data output counting some numbers of certain encodings (a
good way to know that it's working in a very simple way). One problem
with CoreSight is that given a large enough amount of data needing to
be logged, some of it can be lost due to the processor not waking up
in time to read out all the data from buffers etc.. You will notice
that the amount of data collected can vary a lot per run of perf test.
If you wish to see how this changes over time, simply run perf test
multiple times and all these csv files will have more and more data
appended to it that you can later examine, graph and otherwise use to
figure out if things have become worse or better.”h]”hXã  These statistic files log some aspects of the AUX data sections in
the perf data output counting some numbers of certain encodings (a
good way to know that itâ€™s working in a very simple way). One problem
with CoreSight is that given a large enough amount of data needing to
be logged, some of it can be lost due to the processor not waking up
in time to read out all the data from buffers etc.. You will notice
that the amount of data collected can vary a lot per run of perf test.
If you wish to see how this changes over time, simply run perf test
multiple times and all these csv files will have more and more data
appended to it that you can later examine, graph and otherwise use to
figure out if things have become worse or better.”…””}”(hj+  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Kshjš  hžhubhð)”}”(hŒÜThis means sometimes these tests fail as they don't capture all the
data needed. This is about tracking quality and amount of data
produced over time and to see when changes to the Linux kernel improve
quality of traces.”h]”hŒÞThis means sometimes these tests fail as they donâ€™t capture all the
data needed. This is about tracking quality and amount of data
produced over time and to see when changes to the Linux kernel improve
quality of traces.”…””}”(hj9  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Khjš  hžhubhð)”}”(hŒŸBe aware that some of these tests take quite a while to run, specifically
in processing the perf data file and dumping contents to then examine what
is inside.”h]”hŒŸBe aware that some of these tests take quite a while to run, specifically
in processing the perf data file and dumping contents to then examine what
is inside.”…””}”(hjG  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h K„hjš  hžhubhð)”}”(hŒŽYou can change where these csv logs are stored by setting the
PERF_TEST_CORESIGHT_STATDIR environment variable before running perf
test like::”h]”hŒYou can change where these csv logs are stored by setting the
PERF_TEST_CORESIGHT_STATDIR environment variable before running perf
test like:”…””}”(hjU  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Kˆhjš  hžhubjj  )”}”(hŒ5export PERF_TEST_CORESIGHT_STATDIR=/var/tmp
perf test”h]”hŒ5export PERF_TEST_CORESIGHT_STATDIR=/var/tmp
perf test”…””}”hjc  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1ji  hŸh³h KŒhjš  hžhubhð)”}”(hŒdThey will also store resulting perf output data in the current
directory for later inspection like::”h]”hŒcThey will also store resulting perf output data in the current
directory for later inspection like:”…””}”(hjq  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Khjš  hžhubjj  )”}”(hŒ>perf-asm_pure_loop-out.data
perf-memcpy_thread-16k_10.data
...”h]”hŒ>perf-asm_pure_loop-out.data
perf-memcpy_thread-16k_10.data
...”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1ji  hŸh³h K’hjš  hžhubhð)”}”(hŒ|You can alter where the perf data files are stored by setting the
PERF_TEST_CORESIGHT_DATADIR environment variable such as::”h]”hŒ{You can alter where the perf data files are stored by setting the
PERF_TEST_CORESIGHT_DATADIR environment variable such as:”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h K–hjš  hžhubjj  )”}”(hŒ.PERF_TEST_CORESIGHT_DATADIR=/var/tmp
perf test”h]”hŒ.PERF_TEST_CORESIGHT_DATADIR=/var/tmp
perf test”…””}”hj›  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1ji  hŸh³h K™hjš  hžhubhð)”}”(hŒ¯You may wish to set these above environment variables if you wish to
keep the output of tests outside of the current working directory for
longer term storage and examination.”h]”hŒ¯You may wish to set these above environment variables if you wish to
keep the output of tests outside of the current working directory for
longer term storage and examination.”…””}”(hj©  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hïhŸh³h Kœhjš  hžhubeh}”(h]”Œ9perf-test-verify-kernel-and-userspace-perf-coresight-work”ah ]”h"]”Œ;perf test - verify kernel and userspace perf coresight work”ah$]”h&]”uh1h´hh¶hžhhŸh³h KRubeh}”(h]”Œcoresight-perf”ah ]”h"]”Œcoresight - perf”ah$]”h&]”uh1h´hhhžhhŸh³h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h³uh1hŒcurrent_source”NŒcurrent_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¹NŒ	generator”NŒ	datestamp”NŒsource_link”NŒ
source_url”NŒtoc_backlinks”Œentry”Œfootnote_backlinks”KŒsectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒstrip_classes”NŒreport_level”KŒ
halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ	traceback”ˆŒinput_encoding”Œ	utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”jê  Œerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œlanguage_code”Œen”Œrecord_dependencies”NŒconfig”NŒ	id_prefix”hŒauto_id_prefix”Œid”Œdump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”h³Œ_destination”NŒ_config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒraw_enabled”KŒline_length_limit”M'Œpep_references”NŒpep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒrfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ	tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œsmart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œdocinfo_xform”KŒsectsubtitle_xform”‰Œimage_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”Œnameids”}”(jÄ  jÁ  j—  j”  j¼  j¹  uŒ	nametypes”}”(jÄ  ‰j—  ‰j¼  ‰uh}”(jÁ  h¶j”  j;  j¹  jš  uŒfootnote_refs”}”Œcitation_refs”}”Œautofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ	footnotes”]”Œ	citations”]”Œautofootnote_start”KŒsymbol_footnote_start”K Œ
id_counter”Œcollections”ŒCounter”“”}”…”R”Œparse_messages”]”Œtransform_messages”]”Œtransformer”NŒinclude_log”]”Œ
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