€•c!      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”Œ:/translations/zh_CN/admin-guide/perf/starfive_starlink_pmu”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$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ:/translations/zh_TW/admin-guide/perf/starfive_starlink_pmu”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ:/translations/it_IT/admin-guide/perf/starfive_starlink_pmu”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ:/translations/ja_JP/admin-guide/perf/starfive_starlink_pmu”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ:/translations/ko_KR/admin-guide/perf/starfive_starlink_pmu”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ:/translations/sp_SP/admin-guide/perf/starfive_starlink_pmu”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒ0StarFive StarLink Performance Monitor Unit (PMU)”h]”hŒ0StarFive StarLink Performance Monitor Unit (PMU)”…””}”(hh¨hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hh£hžhhŸŒT/var/lib/git/docbuild/linux/Documentation/admin-guide/perf/starfive_starlink_pmu.rst”h KubhŒ	paragraph”“”)”}”(hŒ©StarFive StarLink Performance Monitor Unit (PMU) exists within the
StarLink Coherent Network on Chip (CNoC) that connects multiple CPU
clusters with an L3 memory system.”h]”hŒ©StarFive StarLink Performance Monitor Unit (PMU) exists within the
StarLink Coherent Network on Chip (CNoC) that connects multiple CPU
clusters with an L3 memory system.”…””}”(hh¹hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubh¸)”}”(hŒéThe uncore PMU supports overflow interrupt, up to 16 programmable 64bit
event counters, and an independent 64bit cycle counter.
The PMU can only be accessed via Memory Mapped I/O and are common to the
cores connected to the same PMU.”h]”hŒéThe uncore PMU supports overflow interrupt, up to 16 programmable 64bit
event counters, and an independent 64bit cycle counter.
The PMU can only be accessed via Memory Mapped I/O and are common to the
cores connected to the same PMU.”…””}”(hhÇhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K	hh£hžhubh¸)”}”(hŒGDriver exposes supported PMU events in sysfs "events" directory under::”h]”hŒJDriver exposes supported PMU events in sysfs â€œeventsâ€ directory under:”…””}”(hhÕhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubhŒliteral_block”“”)”}”(hŒ;/sys/bus/event_source/devices/starfive_starlink_pmu/events/”h]”hŒ;/sys/bus/event_source/devices/starfive_starlink_pmu/events/”…””}”hhåsbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1hãhŸh¶h Khh£hžhubh¸)”}”(hŒQDriver exposes cpu used to handle PMU events in sysfs "cpumask" directory
under::”h]”hŒTDriver exposes cpu used to handle PMU events in sysfs â€œcpumaskâ€ directory
under:”…””}”(hhõhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubhä)”}”(hŒ</sys/bus/event_source/devices/starfive_starlink_pmu/cpumask/”h]”hŒ</sys/bus/event_source/devices/starfive_starlink_pmu/cpumask/”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”hóhôuh1hãhŸh¶h Khh£hžhubh¸)”}”(hŒTDriver describes the format of config (event ID) in sysfs "format" directory
under::”h]”hŒWDriver describes the format of config (event ID) in sysfs â€œformatâ€ directory
under:”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubhä)”}”(hŒ;/sys/bus/event_source/devices/starfive_starlink_pmu/format/”h]”hŒ;/sys/bus/event_source/devices/starfive_starlink_pmu/format/”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”hóhôuh1hãhŸh¶h Khh£hžhubh¸)”}”(hŒExample of perf usage::”h]”hŒExample of perf usage:”…””}”(hj-  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubhä)”}”(hX½  $ perf list

starfive_starlink_pmu/cycles/                      [Kernel PMU event]
starfive_starlink_pmu/read_hit/                    [Kernel PMU event]
starfive_starlink_pmu/read_miss/                   [Kernel PMU event]
starfive_starlink_pmu/read_request/                [Kernel PMU event]
starfive_starlink_pmu/release_request/             [Kernel PMU event]
starfive_starlink_pmu/write_hit/                   [Kernel PMU event]
starfive_starlink_pmu/write_miss/                  [Kernel PMU event]
starfive_starlink_pmu/write_request/               [Kernel PMU event]
starfive_starlink_pmu/writeback/                   [Kernel PMU event]


$ perf stat -a -e /starfive_starlink_pmu/cycles/ sleep 1”h]”hX½  $ perf list

starfive_starlink_pmu/cycles/                      [Kernel PMU event]
starfive_starlink_pmu/read_hit/                    [Kernel PMU event]
starfive_starlink_pmu/read_miss/                   [Kernel PMU event]
starfive_starlink_pmu/read_request/                [Kernel PMU event]
starfive_starlink_pmu/release_request/             [Kernel PMU event]
starfive_starlink_pmu/write_hit/                   [Kernel PMU event]
starfive_starlink_pmu/write_miss/                  [Kernel PMU event]
starfive_starlink_pmu/write_request/               [Kernel PMU event]
starfive_starlink_pmu/writeback/                   [Kernel PMU event]


$ perf stat -a -e /starfive_starlink_pmu/cycles/ sleep 1”…””}”hj;  sbah}”(h]”h ]”h"]”h$]”h&]”hóhôuh1hãhŸh¶h Khh£hžhubh¸)”}”(hŒ•Sampling is not supported. As a result, "perf record" is not supported.
Attaching to a task is not supported, only system-wide counting is supported.”h]”hŒ™Sampling is not supported. As a result, â€œperf recordâ€ is not supported.
Attaching to a task is not supported, only system-wide counting is supported.”…””}”(hjI  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K-hh£hžhubeh}”(h]”Œ.starfive-starlink-performance-monitor-unit-pmu”ah ]”h"]”Œ0starfive starlink performance monitor unit (pmu)”ah$]”h&]”uh1h¡hhhžhhŸh¶h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h¶uh1hŒcurrent_source”NŒcurrent_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¦NŒ	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”j‚  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”h¶Œ_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”}”j\  jY  sŒ	nametypes”}”j\  ‰sh}”jY  h£sŒ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
decoration”Nhžhub.