Active subsystems in linux-perf-users

58 subsystems with patch activity in the last 7 days, busiest first. Each links to its own dashboard: recent patches, active threads and reviewers for the paths that subsystem claims in MAINTAINERS.

• performance events subsystem Supported
  91 messages in 7d · last 2026-10-30 09:26 · Peter Zijlstra et al.
• x86 architecture (32-bit and 64-bit)
  25 messages in 7d · last 2026-10-30 09:26 · Thomas Gleixner et al.
• hardware tracing facilities
  12 messages in 7d · last 2026-10-26 05:48 · Alexander Shishkin
• alpha port Odd Fixes
  10 messages in 7d · last 2026-10-30 04:04 · Richard Henderson et al.
• arm pmu profiling and debugging
  7 messages in 7d · last 2026-10-29 07:50 · Will Deacon et al.
• risc-v architecture Supported
  6 messages in 7d · last 2026-10-29 07:50 · Paul Walmsley et al.
• documentation
  5 messages in 7d · last 2026-10-29 07:50 · Jonathan Corbet
• userspace copyin/copyout (uiovec)
  3 messages in 7d · last 2026-10-26 21:52 · Alexander Viro
• bpf [general] (safe dynamic programs and tools) Supported
  2 messages in 7d · last 2026-10-29 16:30 · Alexei Starovoitov et al.
• kernel selftest framework
  2 messages in 7d · last 2026-10-29 11:50 · Shuah Khan et al.
• risc-v pmu drivers Supported
  2 messages in 7d · last 2026-10-29 07:50 · Atish Patra
• open firmware and flattened device tree bindings
  2 messages in 7d · last 2026-10-27 17:51 · Rob Herring et al.
• kernel virtual machine for x86 (kvm/x86) Supported
  2 messages in 7d · last 2026-10-26 13:03 · Sean Christopherson et al.
• bpf [tooling] (bpftool)
  1 message in 7d · last 2026-10-29 16:30 · Quentin Monnet
• cpu hotplug
  1 message in 7d · last 2026-10-29 07:50 · Thomas Gleixner et al.
• generic include/asm header files
  1 message in 7d · last 2026-10-27 18:32 · Arnd Bergmann
• nios2 architecture Supported
  1 message in 7d · last 2026-10-26 23:41 · Dinh Nguyen et al.
• tensilica xtensa port (xtensa)
  1 message in 7d · last 2026-10-26 23:41 · Chris Zankel et al.
• memory management - core
  1 message in 7d · last 2026-10-26 21:52 · Andrew Morton et al.
• memory management
  1 message in 7d · last 2026-10-26 21:52 · Andrew Morton
• tracing
  1 message in 7d · last 2026-10-26 21:52 · Steven Rostedt et al.
• bpf [security & lsm] (security audit and enforcement using bpf)
  1 message in 7d · last 2026-10-26 21:52 · KP Singh et al.
• bpf [tracing]
  1 message in 7d · last 2026-10-26 21:52 · Song Liu
• btrfs file system
  1 message in 7d · last 2026-10-26 21:52 · David Sterba
• scsi subsystem
  1 message in 7d · last 2026-10-26 21:52 · "James E.J. Bottomley" et al.
• x86 hardware vulnerabilities
  1 message in 7d · last 2026-10-26 13:03 · Thomas Gleixner et al.
• hygon processor support
  1 message in 7d · last 2026-10-26 13:03 · Pu Wen
• hyper-v/azure core and drivers Supported
  1 message in 7d · last 2026-10-26 13:03 · Haiyang Zhang et al.
• rdt - resource allocation Supported
  1 message in 7d · last 2026-10-26 13:03 · Tony Luck et al.
• zhaoxin processor support
  1 message in 7d · last 2026-10-26 13:03 · Tony W Wang-oc
• kvm paravirt (kvm/paravirt) Supported
  1 message in 7d · last 2026-10-26 13:03 · Paolo Bonzini
• x86 mm
  1 message in 7d · last 2026-10-26 13:03 · Dave Hansen et al.
• pci subsystem Supported
  1 message in 7d · last 2026-10-26 13:03 · Bjorn Helgaas
• hibernation (aka software suspend, aka swsusp) Supported
  1 message in 7d · last 2026-10-26 13:03 · "Rafael J. Wysocki"
• xen hypervisor x86 Supported
  1 message in 7d · last 2026-10-26 13:03 · Juergen Gross
• acpi Supported
  1 message in 7d · last 2026-10-26 13:03 · "Rafael J. Wysocki"
• libata subsystem (serial and parallel ata drivers)
  1 message in 7d · last 2026-10-26 13:03 · Damien Le Moal et al.
• agpgart driver
  1 message in 7d · last 2026-10-26 13:03 · David Airlie
• hardware random number generator core Odd fixes
  1 message in 7d · last 2026-10-26 13:03 · Olivia Mackall et al.
• cpu frequency scaling framework
  1 message in 7d · last 2026-10-26 13:03 · "Rafael J. Wysocki" et al.
• intel pstate driver Supported
  1 message in 7d · last 2026-10-26 13:03 · Srinivas Pandruvada et al.
• edac-core Supported
  1 message in 7d · last 2026-10-26 13:03 · Borislav Petkov et al.
• edac-intel-bff-reset
  1 message in 7d · last 2026-10-26 13:03 · Tony Luck
• gpio subsystem
  1 message in 7d · last 2026-10-26 13:03 · Linus Walleij et al.
• hardware monitoring
  1 message in 7d · last 2026-10-26 13:03 · Guenter Roeck
• intel idle driver Supported
  1 message in 7d · last 2026-10-26 13:03 · Rafael J. Wysocki et al.
• char and misc drivers Supported
  1 message in 7d · last 2026-10-26 13:03 · Arnd Bergmann et al.
• memory technology devices (mtd)
  1 message in 7d · last 2026-10-26 13:03 · Miquel Raynal et al.
• nand flash subsystem
  1 message in 7d · last 2026-10-26 13:03 · Miquel Raynal
• x86 platform drivers
  1 message in 7d · last 2026-10-26 13:03 · Hans de Goede et al.
• intel pmc core driver
  1 message in 7d · last 2026-10-26 13:03 · Rajneesh Bhardwaj et al.
• intel speed select technology
  1 message in 7d · last 2026-10-26 13:03 · Srinivas Pandruvada
• power management core Supported
  1 message in 7d · last 2026-10-26 13:03 · "Rafael J. Wysocki"
• thermal Supported
  1 message in 7d · last 2026-10-26 13:03 · Rafael J. Wysocki et al.
• framebuffer layer
  1 message in 7d · last 2026-10-26 13:03 · Helge Deller
• amd geode processor/chipset support Orphaned
  1 message in 7d · last 2026-10-26 13:03
• arm64 port (aarch64 architecture)
  1 message in 7d · last 2026-10-26 05:48 · Catalin Marinas et al.