202509 Release

Release Notes

New Features

• pcm-iio: enable the tool on Icelake-D Xeon by adding event opCode file (@antonovalexnn)
• pcm-power: implement csv output
• pcm-iio: add date/time to csv output
• scripts: add topotop for visualizing cpu/membw/upi usage (@askervin)

Improvements

• install Intel perfmon event database (also in PCM rpm)
• pcm-raw: support second OCR (offcore-response) counter on Intel Atom/E-core
• pcm-pcie: allow core offlining on select Intel processor generations
• pcm-raw: implement -? option to print all Intel event descriptions
• support 1 bit in short notation: -b 1 instead of -b 1:1 (@ogbrugge-work)
• pcm: allow core 0 to be offlined (@144026)
• don't fail if PCIe PMU discovery table is corrupt, produce BIOS table bug report instead
• Grafana dashboard: don't display UPI panels if there no Intel UPI links detected
• pcm-iio: add documentation
• pcm-memory: implement --nocxl option
• documentation updates (@s-h-a-d-o-w)
• pcm-accel: update documentation
• pcm-raw: add option to select first record in Intel PMT db match result
• pcm-bw-histogram.sh: expect pcm-memory to reside in same folder, rather than ./ (@tomcucinotta)
• drop pcm-lspci, replaced by pcm-iio -list (@antonovalexnn)
• implement pcicfg device availability check for msr.sys
• add IAA accelerator membar check quirk for Windows
• add L3 shared cache info

Fixes

• fix DRAM energy unit on Intel Xeon 6 Granite Rapids/Sierra Forest/Grand Ridge
• fix issue on Intel Xeon 6 Granite Rapids with skipping IAA accelerator (@antonovalexnn)
• fix OCR events on GNR-D (Xeon 6 SoC)
• fix pcm-numa on Intel Xeon 6 Granite Rapids
• make cpu family/model extraction fully compliant to the spec to support the upcoming Diamond Rapids Xeon detection
• pcm-pcie: correct events help description (@144026)
• pcm-sensor-server metric exporter: don't exit if IIO PMUs are not availabile (@ogbrugge-work)
• pcm-pcie: check if the required CHA PMUs are available
• catch and report exceptions from thread creation
• increase CXL port array size and add bounds checking
• fix issue when CPUBUSNO_VALID is 0 (@antonovalexnn)
• fix displaying binary codes in the terminal (@antonovalexnn)
• fix compilation for memoptest

Other

• require c++17
• update dependencies
• pcm-power: code refactoring
• add simple googletest for PCICFG bdf function (@antonovalexnn)
• add a test for parsing http headers inside urlstest.cpp (@ogbrugge-work)
• adapt the expected outcome of urltest from 12 to 14 errors (@ogbrugge-work)
• use a lambda instead of std::bind1st (@ogbrugge-work)
• address cppcheck warnings
• use IoCreateDeviceSecure API on Windows
• convert commented out debug output to instead use the DBG macro (@ogbrugge-work)
• pcm-sensor-server: cleanup and code formatting (@ogbrugge-work)
• pcm-iio: code refactoring (@ogbrugge-work)
• pcicfg/pci.h: remove unused code (@ogbrugge-work)