Issues

• perf record -a: all pre-existing processes show ?? [??] — synthesized FORK events clobber their mmaps via initAfterFork()

  KDAB/hotspot#783 · Filter by author tgsell opened on Aug 26, 2026
  1

• broken event tracing in old perf versions

  KDAB/hotspot#782 · Filter by author GitMensch opened on Aug 25, 2026

• hotspot-perfparser emits incorrect Symbol.relAddr while resolving correct symbol name/size/location

  bug
  KDAB/hotspot#781 · Filter by author LordMartron94 opened on Aug 23, 2026

• Configurable timeout for disassembly view

  enhancement
  KDAB/hotspot#778 · Filter by author gauravkadyan opened on Jul 22, 2026
  1

• demangling of ocaml symbols

  enhancementhelp wanted
  KDAB/hotspot#771 · Filter by author redianthus opened on Apr 13, 2026
  1

• FR: allow to pre-set filter to specific dso-name, symbol, possibly pid/tid

  enhancement
  KDAB/hotspot#756 · Filter by author GitMensch opened on Jan 28, 2026
  2

• ditch zooming completely, work on filters

  enhancement
  KDAB/hotspot#749 · Filter by author GitMensch opened on Oct 22, 2025
  1

• On-CPU and Off-CPU time mismatch

  bugneeds_info
  KDAB/hotspot#748 · Filter by author pidtuner opened on Oct 21, 2025
  1

• Off-cpu profiling: broken flamegraph drawn on top of itself

  bug
  KDAB/hotspot#747 · Filter by author maximumsomething opened on Oct 17, 2025

• Jitted symbol names are lost

  bugneeds_info
  KDAB/hotspot#743 · Filter by author vchuravy opened on Oct 7, 2025
  2

• Appimage: QT6 update broke older environments

  enhancementhelp wanted
  KDAB/hotspot#742 · Filter by author GitMensch opened on Sep 25, 2025
  7

• assembler label support

  enhancement
  KDAB/hotspot#741 · Filter by author GitMensch opened on Sep 23, 2025
  1

• hotspot.disassemblyoutput: unhandled asm line format: "func():"

  bug
  Bug

  KDAB/hotspot#740 · Filter by author GitMensch opened on Sep 16, 2025
  5

• When using KDE Breeze Dark as the system theme, the graph view on the caller / callee tab is unreadable

  bug
  KDAB/hotspot#739 · Filter by author VorpalBlade opened on Sep 9, 2025

• Ignoring PERF_RECORD_BPF_EVENT and PERF_RECORD_KSYMBOL?

  needs_info
  KDAB/hotspot#738 · Filter by author GitMensch opened on Sep 7, 2025
  1

• failure to parse COMPRESSED2 record event data

  bug
  Bug

  KDAB/hotspot#736 · Filter by author abbycin opened on Aug 28, 2025
  39

• add flame scope

  enhancementhelp wanted
  KDAB/hotspot#735 · Filter by author GitMensch opened on Aug 21, 2025

• Scroll to the latest output

  enhancementhelp wanted
  KDAB/hotspot#724 · Filter by author TLCFEM opened on May 25, 2025
  3

• Add softirq processing time into Off-CPU time

  enhancementhelp wantedneeds_info
  KDAB/hotspot#717 · Filter by author Radrik5 opened on Apr 27, 2025
  3

• The welcome message and brand text renders over content, when the “Loading Results…” window is 1⁄8 of the total display resolution (at 100 % scale).

  bughelp wantedneeds_info
  KDAB/hotspot#713 · Filter by author beedell-roke opened on Apr 26, 2025
  15

• When perf isn't in $PATH, the "Start Recording" button in "File" > "Record Data" is disabled. However, the reason isn't communicated to the user.

  enhancement
  KDAB/hotspot#711 · Filter by author beedell-roke opened on Apr 25, 2025
  3

• RISC-V support

  enhancementhelp wantedneeds_info
  KDAB/hotspot#705 · Filter by author dendibakh opened on Mar 21, 2025
  3

• allow changing the width of columns in the disassembly view

  enhancement
  KDAB/hotspot#696 · Filter by author milianw opened on Mar 3, 2025

• save/restore disassembly view configuration

  enhancement
  KDAB/hotspot#695 · Filter by author milianw opened on Mar 3, 2025

• Disasm view UX issues

  enhancement
  KDAB/hotspot#692 · Filter by author svalaskevicius opened on Feb 16, 2025
  5