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2026-03-22 - 15:14
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackeslot4.osadl.org (updated Sun Mar 22, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2371387992926,2cyclictest2642790-21idleruntime-cro23:34:590
237139799272,21cyclictest2612266-21apt-get23:05:113
237138999271,21cyclictest2433843-21apt-get20:10:111
2371397992620,3cyclictest2423208-21apt-get20:00:133
237139799261,21cyclictest2459217-21apt-get20:35:133
237139399262,20cyclictest2576468-21apt-get22:30:122
237139799252,2cyclictest2515279-21apt-get21:30:113
237139799252,2cyclictest2515279-21apt-get21:30:103
2371397992519,4cyclictest2699598-21cut00:30:163
237139799251,21cyclictest2454121-21apt-get20:30:113
237139799251,20cyclictest2602160-21apt-get22:55:113
237139399251,21cyclictest2423208-21apt-get20:00:132
237138999251,2cyclictest2530960-21apt-get21:45:131
237139799241,3cyclictest2628416-21sed23:20:173
237139799241,21cyclictest2658741-21ps23:50:173
237139799241,20cyclictest0-21swapper/321:35:093
237139799241,20cyclictest0-21swapper/319:30:113
237139799240,22cyclictest3871586-21snmpd21:40:103
237139799240,21cyclictest2541532-21grep21:55:153
237139799240,20cyclictest0-21swapper/323:40:123
2371393992420,2cyclictest2694054-21apt-get00:25:112
237139399241,21cyclictest516-21rs:main2
237138999241,2cyclictest2546099-21apt-get22:00:141
237138999241,2cyclictest2438888-21apt-get20:15:101
237138999241,21cyclictest2678174-21cron00:10:001
237138999241,21cyclictest2402927-21grep19:40:151
237138999241,20cyclictest2561305-21apt-get22:15:111
237138799242,2cyclictest2443960-21apt-get20:20:120
237138799242,21cyclictest2556228-21apt-get22:10:120
237138799242,20cyclictest2704146-21apt-get00:35:120
237138799242,20cyclictest2428770-21apt-get20:05:140
237138799241,22cyclictest0-21swapper/020:10:110
237138799241,20cyclictest2551152-21apt-get22:05:120
237138799240,4cyclictest261-21systemd-journal23:19:590
2371397992319,2cyclictest2638009-21apt-get23:30:133
2371397992319,2cyclictest2581503-21seq22:35:143
2371397992318,3cyclictest2407239-21awk19:45:003
237139799231,2cyclictest702-21runrttasks00:15:133
237139799231,2cyclictest2387187-21apt-get19:25:123
237139799231,2cyclictest0-21swapper/323:15:173
237139799231,2cyclictest0-21swapper/322:30:123
237139799231,2cyclictest0-21swapper/300:25:123
237139799231,2cyclictest0-21swapper/300:20:133
237139799231,20cyclictest0-21swapper/322:50:013
237139799230,3cyclictest2412321-21cron19:50:003
237139399232,1cyclictest2371601-21apt-get19:10:112
2371393992320,1cyclictest2632954-21apt-get23:25:112
2371393992319,2cyclictest2474844-21apt-get20:50:112
237139399231,2cyclictest2500115-21apt-get21:15:092
237139399231,20cyclictest0-21swapper/222:10:112
237139399231,19cyclictest0-21swapper/220:45:102
237139399230,22cyclictest261-21systemd-journal23:05:002
237139399230,21cyclictest2683670-21munin-run00:14:592
237139399230,21cyclictest2612749-21irqcore23:05:152
237139399230,20cyclictest0-21swapper/222:05:132
2371389992320,2cyclictest2484952-21apt-get21:00:111
2371389992319,2cyclictest2642786-21cron23:34:591
2371389992319,2cyclictest2616163-21ntpq23:05:191
237138999230,20cyclictest2479879-21apt-get20:55:131
237138999230,1cyclictest2418112-21apt-get19:55:111
2371387992320,2cyclictest2699106-21apt-get00:30:120
2371387992320,2cyclictest2520378-21apt-get21:35:100
237138799231,21cyclictest2580384-21ntpq22:30:210
237138799230,22cyclictest2618712-21ps23:10:160
237138799230,20cyclictest2678166-21cron00:10:000
2371397992218,3cyclictest2479598-21cron20:55:003
2371397992218,2cyclictest2376382-21apt-get19:15:033
2371397992218,2cyclictest0-21swapper/321:45:133
2371397992217,2cyclictest2566362-21apt-get22:20:123
237139799221,1cyclictest2678868-21apt-get00:10:123
237139799220,4cyclictest2485447-21ps21:00:153
237139799220,20cyclictest2386911-21cron19:25:003
237139799220,19cyclictest0-21swapper/323:35:133
237139799220,19cyclictest0-21swapper/320:10:123
2371393992219,1cyclictest2499011-21ntpq21:10:222
2371393992218,2cyclictest2483822-21ntpq20:55:212
237139399220,20cyclictest2648117-21chrt23:40:112
237139399220,19cyclictest0-21swapper/219:55:112
237139399220,19cyclictest0-21swapper/200:15:132
2371389992219,2cyclictest0-21swapper/123:35:131
2371389992219,2cyclictest0-21swapper/122:55:111
2371389992219,2cyclictest0-21swapper/120:40:091
2371389992218,3cyclictest301rcuc/123:30:001
2371389992218,2cyclictest2587028-21grep22:40:151
237138999221,20cyclictest0-21swapper/120:05:031
237138999220,3cyclictest2551636-21ps22:05:161
237138999220,2cyclictest0-21swapper/122:35:141
237138999220,2cyclictest0-21swapper/119:45:111
2371387992219,2cyclictest2377069-21apt-get19:15:110
2371387992218,3cyclictest2596382-21cron22:50:000
2371387992217,3cyclictest2505667-21irqcore21:20:160
237138799221,20cyclictest2464736-21apt-get20:40:090
237138799221,1cyclictest0-21swapper/020:45:100
237138799220,1cyclictest0-21swapper/022:20:130
2371397992118,2cyclictest2555981-21idleruntime-cro22:10:013
2371397992118,2cyclictest0-21swapper/321:50:123
2371397992118,1cyclictest0-21swapper/319:55:113
2371397992116,3cyclictest2607213-21apt-get23:00:123
237139799210,2cyclictest0-21swapper/322:25:123
2371393992119,1cyclictest2643063-21apt-get23:35:132
2371393992119,1cyclictest0-21swapper/223:30:112
2371393992118,2cyclictest3871586-21snmpd22:35:232
2371393992118,2cyclictest2566093-21cron22:20:012
2371393992118,1cyclictest2439383-21ps20:15:152
237139399211,1cyclictest2382117-21apt-get19:20:112
237139399210,2cyclictest2606946-21sh23:00:002
237139399210,2cyclictest2571146-21sh22:25:012
237139399210,1cyclictest500-21dbus-daemon00:10:002
237139399210,19cyclictest2464387-21apt-config20:40:012
237139399210,19cyclictest0-21swapper/222:00:132
237139399210,19cyclictest0-21swapper/200:30:122
2371389992119,1cyclictest0-21swapper/122:25:121
2371389992119,1cyclictest0-21swapper/119:15:201
2371389992118,2cyclictest2701314-21kthreadcore00:30:171
2371389992118,2cyclictest0-21swapper/120:30:111
2371389992117,2cyclictest0-21swapper/121:10:121
237138999210,20cyclictest0-21swapper/122:10:121
237138999210,20cyclictest0-21swapper/121:35:101
237138999210,1cyclictest0-21swapper/122:50:001
237138999210,1cyclictest0-21swapper/122:20:131
237138999210,19cyclictest2505666-21irqcore21:20:171
2371387992118,2cyclictest2483765-21ntpq20:55:210
2371387992118,2cyclictest0-21swapper/021:00:110
2371387992117,2cyclictest2525883-21apt-get21:40:100
237138799210,2cyclictest0-21swapper/022:15:110
237138799210,20cyclictest0-21swapper/022:00:130
237138799210,1cyclictest2449030-21apt-get20:25:120
237138799210,1cyclictest0-21swapper/022:55:110
237138799210,1cyclictest0-21swapper/022:40:110
237138799210,1cyclictest0-21swapper/021:45:120
2371397992018,1cyclictest0-21swapper/323:25:113
2371397992018,1cyclictest0-21swapper/320:40:013
2371397992018,1cyclictest0-21swapper/319:50:113
2371397992016,2cyclictest0-21swapper/323:10:103
2371397992014,4cyclictest2591314-21sh22:45:003
237139799200,1cyclictest0-21swapper/321:15:103
237139799200,1cyclictest0-21swapper/321:10:113
2371393992018,1cyclictest2544974-21ntpq21:55:212
2371393992018,1cyclictest0-21swapper/223:45:112
2371393992018,1cyclictest0-21swapper/222:40:102
2371393992018,1cyclictest0-21swapper/221:30:112
2371393992018,1cyclictest0-21swapper/221:30:102
2371393992018,1cyclictest0-21swapper/219:45:112
2371393992018,1cyclictest0-21swapper/219:15:202
2371393992018,1cyclictest0-21swapper/200:00:112
2371393992018,1cyclictest0-21swapper/200:00:102
2371393992017,1cyclictest2597086-21apt-get22:50:132
2371393992017,1cyclictest0-21swapper/219:40:112
237139399200,1cyclictest0-21swapper/221:10:002
237139399200,1cyclictest0-21swapper/220:20:122
2371389992018,1cyclictest0-21swapper/122:30:111
2371389992017,1cyclictest0-21swapper/119:20:121
2371389992016,2cyclictest0-21swapper/121:19:591
237138999200,1cyclictest0-21swapper/120:25:121
237138999200,1cyclictest0-21swapper/120:20:121
237138999200,1cyclictest0-21swapper/100:35:131
237138999200,1cyclictest0-21swapper/100:10:121
237138999200,19cyclictest2535990-21apt-get21:50:121
237138999200,19cyclictest0-21swapper/120:00:171
2371387992018,1cyclictest2653191-21apt-get23:45:110
2371387992018,1cyclictest2423691-21ps20:00:170
2371387992018,1cyclictest0-21swapper/022:35:140
2371387992017,2cyclictest2627924-21apt-get23:20:130
2371387992017,2cyclictest0-21swapper/023:35:130
237138799200,1cyclictest0-21swapper/023:25:200
237138799200,1cyclictest0-21swapper/020:15:100
237138799200,1cyclictest0-21swapper/019:10:210
237138799200,19cyclictest2658249-21taskset23:50:130
237138799200,19cyclictest0-21swapper/019:55:110
237138799200,19cyclictest0-21swapper/019:45:120
237138799200,19cyclictest0-21swapper/000:25:120
237138799200,18cyclictest2402928-21tr19:40:150
2371397991917,1cyclictest0-21swapper/321:20:123
2371397991917,1cyclictest0-21swapper/300:10:003
2371397991916,2cyclictest0-21swapper/322:10:113
2371397991916,2cyclictest0-21swapper/319:35:133
2371397991916,2cyclictest0-21swapper/300:00:113
2371397991916,2cyclictest0-21swapper/300:00:113
2371397991915,2cyclictest2469813-21apt-get20:45:113
2371393991917,1cyclictest0-21swapper/223:15:122
2371393991917,1cyclictest0-21swapper/221:45:132
2371393991917,1cyclictest0-21swapper/220:40:092
2371393991916,1cyclictest0-21swapper/200:35:122
2371393991914,3cyclictest0-21swapper/221:30:002
237139399190,1cyclictest0-21swapper/222:50:012
2371389991917,1cyclictest0-21swapper/121:25:121
2371389991917,1cyclictest0-21swapper/119:35:231
2371389991917,1cyclictest0-21swapper/100:15:131
2371389991916,2cyclictest2490032-21apt-get21:05:141
2371389991916,2cyclictest0-21swapper/121:40:111
2371387991917,1cyclictest0-21swapper/023:05:190
2371387991916,2cyclictest2387542-21gltestperf19:25:150
2371387991916,2cyclictest0-21swapper/022:25:130
2371387991916,2cyclictest0-21swapper/020:35:130
2371393991816,1cyclictest2413021-21apt-get19:50:122
2371393991816,1cyclictest0-21swapper/221:00:112
2371389991816,1cyclictest0-21swapper/119:50:121
2371389991815,2cyclictest2463126-21ntpq20:35:211
2371389991815,2cyclictest0-21swapper/123:50:131
2371389991815,1cyclictest0-21swapper/121:30:111
2371389991815,1cyclictest0-21swapper/121:30:101
2371387991816,1cyclictest2510228-21apt-get21:25:120
2371387991816,1cyclictest0-21swapper/021:30:100
2371387991816,1cyclictest0-21swapper/021:30:100
2371387991815,2cyclictest509-21systemd-logind20:54:590
2371387991815,2cyclictest0-21swapper/000:15:000
2371387991815,1cyclictest0-21swapper/020:30:110
2371387991814,2cyclictest2401309-21ntpq19:35:230
2371397991715,1cyclictest0-21swapper/320:25:123
2371393991715,1cyclictest0-21swapper/223:20:132
2371393991714,2cyclictest2575337-21ntpq22:25:212
2371389991714,2cyclictest2668423-21cpuspeed_turbos00:00:121
2371389991714,2cyclictest2668423-21cpuspeed_turbos00:00:111
2371389991713,3cyclictest2479599-21cron20:55:001
2371389991713,2cyclictest2663298-21apt-get23:55:111
237138999170,16cyclictest0-21swapper/121:55:111
2371387991714,2cyclictest2683921-21apt-get00:15:130
2371387991714,2cyclictest2545831-21awk22:00:000
2371397991613,2cyclictest2510486-21fschecks_time21:25:143
2371397991613,2cyclictest2441113-21kthreadcore20:15:173
2371397991611,4cyclictest2667908-21sshd23:57:583
2371397991610,4cyclictest2565812-21sshd22:16:483
2371393991614,1cyclictest0-21swapper/220:25:122
2371389991614,1cyclictest0-21swapper/123:10:111
2371389991614,1cyclictest0-21swapper/119:25:121
2371387991615,1cyclictest0-21swapper/023:00:100
2371387991614,1cyclictest2495086-21apt-get21:10:120
2371387991614,1cyclictest0-21swapper/019:20:120
2371387991613,2cyclictest61650irq/133-enp0s29f1:rx-019:50:130
2371387991612,3cyclictest61650irq/133-enp0s29f1:rx-000:20:120
2371387991612,3cyclictest61650irq/133-enp0s29f1:rx-000:00:110
2371387991612,3cyclictest61650irq/133-enp0s29f1:rx-000:00:110
2371397991513,1cyclictest0-21swapper/322:00:143
2371397991513,1cyclictest0-21swapper/320:55:123
2371397991512,2cyclictest2657994-21grep23:50:003
2371397991512,2cyclictest2428731-21apt-get20:05:033
2371397991512,2cyclictest0-21swapper/322:50:133
2371393991513,1cyclictest0-21swapper/220:05:142
2371393991513,1cyclictest0-21swapper/219:35:142
2371393991513,1cyclictest0-21swapper/219:30:112
2371393991513,1cyclictest0-21swapper/219:25:122
2371393991512,2cyclictest2438611-21cron20:15:002
2371389991513,1cyclictest2610925-21latency23:00:181
2371389991512,2cyclictest2648114-21apt-get23:40:111
2371389991511,3cyclictest2689480-21tr00:20:171
2371387991511,3cyclictest61650irq/133-enp0s29f1:rx-023:40:180
2371393991412,1cyclictest0-21swapper/223:50:132
2371389991412,1cyclictest0-21swapper/123:45:111
2371389991411,2cyclictest0-21swapper/123:19:591
2371389991410,3cyclictest2597089-21chrt22:50:131
237138799146,7cyclictest2667976-21sshd23:58:480
2371387991411,2cyclictest0-21swapper/021:55:010
2371387991410,3cyclictest500-21dbus-daemon19:35:000
237139799137,4cyclictest2708954-21cron00:40:003
237139399131,1cyclictest191rcu_preempt21:20:192
2371393991310,2cyclictest0-21swapper/221:50:152
237139399130,2cyclictest2622580-21awk23:15:002
2371389991310,2cyclictest516-21rs:main1
2371389991310,2cyclictest2392344-21cpuspeed_turbos19:30:121
2371387991311,1cyclictest0-21swapper/021:05:130
2371387991310,2cyclictest61650irq/133-enp0s29f1:rx-021:15:100
2371387991310,2cyclictest0-21swapper/022:50:250
237139399121,2cyclictest2525192-21latency_hist21:40:012
237138999129,2cyclictest0-21swapper/100:25:121
2371389991210,1cyclictest0-21swapper/120:45:111
237139399119,1cyclictest0-21swapper/223:55:122
237139399117,3cyclictest401ktimers/200:23:002
237138999117,2cyclictest0-21swapper/123:20:151
237139799104,5cyclictest2490494-21/usr/sbin/munin21:05:183
23713939996,2cyclictest2458041-21ntpq20:30:202
23713879984,3cyclictest2371530-21latency_hist19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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