{ "schema_version": 1, "observed_at": "2026-09-21T14:18:01.889967+00:00", "environment": { "os": "Linux", "python": "3.10.12", "systemd": "systemd 249 (249.11-0ubuntu3.22)", "scope": "disposable --user units, runtime enablement only" }, "method": "고유 이름의 사용자 서비스·타이머를 만들었다. 작업은 임시 파일에 PID 한 줄을 남긴 뒤 대기했다. 서비스의 Restart=no, 타이머의 OnUnitInactiveSec=2s 조건에서 stop과 disable을 비교했다. 종료 시 실험 유닛과 실행 프로세스를 정리했다.", "limits": "재부팅, cron, 외부 watchdog, Persistent=true의 누락된 달력 일정, mask는 실행 실험하지 않았다. 중지 뒤 추가 실행 여부의 관찰 창은 4초이며 영구 중지를 증명하는 부하 시험은 아니다.", "unit_name": "punchblog-timer-lab-ad670aa37b2b", "units": { "service": "[Unit]\nDescription=Punchblog disposable timer experiment\nConditionPathExists=!/tmp/punchblog-timer-lab-ad670aa37b2b-17gpc9u0/completed\n[Service]\nType=simple\nExecStart=/usr/bin/python3 /tmp/punchblog-timer-lab-ad670aa37b2b-17gpc9u0/worker.py /tmp/punchblog-timer-lab-ad670aa37b2b-17gpc9u0/runs.txt\nRestart=no\nRuntimeMaxSec=40\nTimeoutStopSec=3\nMemoryMax=64M\nCPUQuota=10%\nNice=15\n", "timer": "[Unit]\nDescription=Punchblog disposable timer experiment trigger\n[Timer]\nOnActiveSec=2s\nOnUnitInactiveSec=2s\nAccuracySec=100ms\nUnit=punchblog-timer-lab-ad670aa37b2b.service\n[Install]\nWantedBy=timers.target\n" }, "observations": [ { "case": "initial", "runs": 1, "service": { "MainPID": "2515471", "ActiveState": "active", "SubState": "running", "UnitFileState": "static", "ConditionResult": "yes" }, "timer": { "ActiveState": "active", "SubState": "running", "UnitFileState": "enabled-runtime", "ConditionResult": "yes" } }, { "case": "stop_service_only", "runs": 2, "service": { "MainPID": "2515478", "ActiveState": "active", "SubState": "running", "UnitFileState": "static", "ConditionResult": "yes" }, "timer": { "ActiveState": "active", "SubState": "running", "UnitFileState": "enabled-runtime", "ConditionResult": "yes" } }, { "case": "disable_timer_only", "runs": 2, "service": { "MainPID": "2515478", "ActiveState": "active", "SubState": "running", "UnitFileState": "static", "ConditionResult": "yes" }, "timer": { "ActiveState": "active", "SubState": "running", "UnitFileState": "disabled", "ConditionResult": "yes" } }, { "case": "disabled_timer_still_triggers", "runs": 3, "service": { "MainPID": "2515490", "ActiveState": "active", "SubState": "running", "UnitFileState": "static", "ConditionResult": "yes" }, "timer": { "ActiveState": "active", "SubState": "running", "UnitFileState": "disabled", "ConditionResult": "yes" } }, { "case": "disable_now_timer", "runs": 3, "service": { "MainPID": "2515490", "ActiveState": "active", "SubState": "running", "UnitFileState": "static", "ConditionResult": "yes" }, "timer": { "ActiveState": "inactive", "SubState": "dead", "UnitFileState": "disabled", "ConditionResult": "no" } }, { "case": "stop_timer_and_service", "runs": 3, "service": { "MainPID": "0", "ActiveState": "inactive", "SubState": "dead", "UnitFileState": "static", "ConditionResult": "no" }, "timer": { "ActiveState": "inactive", "SubState": "dead", "UnitFileState": "disabled", "ConditionResult": "no" } }, { "case": "completion_guard", "runs": 3, "service": { "MainPID": "0", "ActiveState": "inactive", "SubState": "dead", "UnitFileState": "static", "ConditionResult": "no" }, "timer": { "ActiveState": "inactive", "SubState": "dead", "UnitFileState": "disabled", "ConditionResult": "no" } } ], "commands": [ { "arguments": [ "daemon-reload" ], "exit_code": 0, "stdout": "", "stderr": "" }, { "arguments": [ "enable", "--runtime", "--now", "punchblog-timer-lab-ad670aa37b2b.timer" ], "exit_code": 0, "stdout": "", "stderr": "Created symlink /run/user/1000/systemd/user/timers.target.wants/punchblog-timer-lab-ad670aa37b2b.timer → /run/user/1000/systemd/user/punchblog-timer-lab-ad670aa37b2b.timer." }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.service", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "MainPID=2515471\nActiveState=active\nSubState=running\nUnitFileState=static\nConditionResult=yes", "stderr": "" }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.timer", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "ActiveState=active\nSubState=running\nUnitFileState=enabled-runtime\nConditionResult=yes", "stderr": "" }, { "arguments": [ "stop", "punchblog-timer-lab-ad670aa37b2b.service" ], "exit_code": 0, "stdout": "", "stderr": "Warning: Stopping punchblog-timer-lab-ad670aa37b2b.service, but it can still be activated by:\n punchblog-timer-lab-ad670aa37b2b.timer" }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.service", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "MainPID=2515478\nActiveState=active\nSubState=running\nUnitFileState=static\nConditionResult=yes", "stderr": "" }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.timer", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "ActiveState=active\nSubState=running\nUnitFileState=enabled-runtime\nConditionResult=yes", "stderr": "" }, { "arguments": [ "disable", "--runtime", "punchblog-timer-lab-ad670aa37b2b.timer" ], "exit_code": 0, "stdout": "", "stderr": "Removed /run/user/1000/systemd/user/timers.target.wants/punchblog-timer-lab-ad670aa37b2b.timer." }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.service", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "MainPID=2515478\nActiveState=active\nSubState=running\nUnitFileState=static\nConditionResult=yes", "stderr": "" }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.timer", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "ActiveState=active\nSubState=running\nUnitFileState=disabled\nConditionResult=yes", "stderr": "" }, { "arguments": [ "stop", "punchblog-timer-lab-ad670aa37b2b.service" ], "exit_code": 0, "stdout": "", "stderr": "Warning: Stopping punchblog-timer-lab-ad670aa37b2b.service, but it can still be activated by:\n punchblog-timer-lab-ad670aa37b2b.timer" }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.service", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "MainPID=2515490\nActiveState=active\nSubState=running\nUnitFileState=static\nConditionResult=yes", "stderr": "" }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.timer", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "ActiveState=active\nSubState=running\nUnitFileState=disabled\nConditionResult=yes", "stderr": "" }, { "arguments": [ "disable", "--runtime", "--now", "punchblog-timer-lab-ad670aa37b2b.timer" ], "exit_code": 0, "stdout": "", "stderr": "" }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.service", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "MainPID=2515490\nActiveState=active\nSubState=running\nUnitFileState=static\nConditionResult=yes", "stderr": "" }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.timer", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "ActiveState=inactive\nSubState=dead\nUnitFileState=disabled\nConditionResult=no", "stderr": "" }, { "arguments": [ "stop", "punchblog-timer-lab-ad670aa37b2b.service" ], "exit_code": 0, "stdout": "", "stderr": "" }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.service", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "MainPID=0\nActiveState=inactive\nSubState=dead\nUnitFileState=static\nConditionResult=no", "stderr": "" }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.timer", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "ActiveState=inactive\nSubState=dead\nUnitFileState=disabled\nConditionResult=no", "stderr": "" }, { "arguments": [ "start", "punchblog-timer-lab-ad670aa37b2b.service" ], "exit_code": 0, "stdout": "", "stderr": "" }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.service", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "MainPID=0\nActiveState=inactive\nSubState=dead\nUnitFileState=static\nConditionResult=no", "stderr": "" }, { "arguments": [ "show", "punchblog-timer-lab-ad670aa37b2b.timer", "-p", "ActiveState", "-p", "SubState", "-p", "UnitFileState", "-p", "MainPID", "-p", "ConditionResult" ], "exit_code": 0, "stdout": "ActiveState=inactive\nSubState=dead\nUnitFileState=disabled\nConditionResult=no", "stderr": "" }, { "arguments": [ "disable", "--runtime", "--now", "punchblog-timer-lab-ad670aa37b2b.timer" ], "exit_code": 0, "stdout": "", "stderr": "" }, { "arguments": [ "stop", "punchblog-timer-lab-ad670aa37b2b.service" ], "exit_code": 0, "stdout": "", "stderr": "" }, { "arguments": [ "daemon-reload" ], "exit_code": 0, "stdout": "", "stderr": "" }, { "arguments": [ "reset-failed", "punchblog-timer-lab-ad670aa37b2b.service", "punchblog-timer-lab-ad670aa37b2b.timer" ], "exit_code": 1, "stdout": "", "stderr": "Failed to reset failed state of unit punchblog-timer-lab-ad670aa37b2b.service: Unit punchblog-timer-lab-ad670aa37b2b.service not loaded.\nFailed to reset failed state of unit punchblog-timer-lab-ad670aa37b2b.timer: Unit punchblog-timer-lab-ad670aa37b2b.timer not loaded." } ], "cleanup": { "unit_files_removed": true, "timer_enable_link_removed": true, "worker_pids_gone": true }, "tables": { "states": { "headers": [ "관찰 시점", "누적 실행", "서비스", "타이머", "타이머 등록" ], "rows": [ [ "최초 타이머 시작", 1, "active", "active", "enabled-runtime" ], [ "서비스만 stop 후 다음 실행", 2, "active", "active", "enabled-runtime" ], [ "타이머만 disable 직후", 2, "active", "active", "disabled" ], [ "disabled 타이머가 다시 실행", 3, "active", "active", "disabled" ], [ "타이머 disable --now 직후", 3, "active", "inactive", "disabled" ], [ "서비스도 stop 후 4초 관찰", 3, "inactive", "inactive", "disabled" ], [ "완료 파일 생성 후 수동 start", 3, "inactive", "inactive", "disabled" ] ] } } }