{"name":"cpuacct.usage","slug":"cpuacct-usage","family":"setting","title":"Settings keys","noun":"settings key","description":"CPU telemetry now reads cgroup usage from a fixed path and adds a new shell CPU time metric","description_source":"entry","described_by":{"version":"2.1.265","anchor":"cgroup-cpu-accounting-rewritten-to-read-cpuacctusage-direct"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.322","builds":0,"mined_builds":161,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.312","anchor":"shell-cpu-time-measured-per-turn","heading":"Shell command CPU time is now totalled for each turn","line":"Claude Code now reports shell CPU time for each turn and since the last result, read from the Linux cgroup counter","released_at":"2026-10-27 18:36:10","reason":"found in this entry's text"},{"version":"2.1.311","anchor":"shell-command-cpu-time-telemetry-from-proc-and-cgroup-cpuac","heading":"Claude Code now measures CPU time for shell commands in more ways","line":"Claude Code can now read a shell command's CPU time from the whole process tree, the command's own process and the cgroup, and drops the figure if a read fails","released_at":"2026-10-26 19:47:57","reason":"found in this entry's text"},{"version":"2.1.302","anchor":"mcp-tool-results-report-shell-cpu-from-the-cgroup","heading":"MCP tool results can now report how much CPU the shell used","line":"MCP tool responses can now include a shell CPU time figure, read from the system's cgroup accounting when the value looks sane","released_at":"2026-10-16 16:48:28","reason":"found in this entry's text"},{"version":"2.1.265","anchor":"cgroup-cpu-accounting-rewritten-to-read-cpuacctusage-direct","heading":"cgroup CPU accounting rewritten to read cpuacct.usage directly, adds shell CPU tracking","line":"CPU telemetry now reads cgroup usage from a fixed path and adds a new shell CPU time metric","released_at":"2026-09-08 19:05:16","reason":"named in this entry, found in this entry's text"}],"entries_total":4,"docs":[],"docs_total":0,"gates":[],"related":[],"url":"https:\/\/changelogs.core-directive.com\/reference\/setting\/cpuacct-usage","family_url":"https:\/\/changelogs.core-directive.com\/reference\/setting.json"}