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2026-09-04 - 01:10
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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 the 376 highest latencies:
System rackeslot4.osadl.org (updated Thu Sep 03, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2510571992724,2cyclictest2602518-21systemd-run08:40:002
2510573992619,5cyclictest2803150-21irqcore11:55:133
251057399261,22cyclictest2700641-21apt-get10:15:113
251057399261,22cyclictest2587509-21apt-get08:25:123
251057399261,21cyclictest2782365-21apt-get11:35:113
251057399261,21cyclictest2546868-21apt-get07:45:123
251057399261,20cyclictest2607860-21apt-get08:45:123
251057399260,23cyclictest0-21swapper/308:00:133
251057399260,22cyclictest2654088-21apt-get09:30:163
251056399260,25cyclictest0-21swapper/008:10:110
251057399252,2cyclictest2680313-21apt-get09:55:123
251057399252,2cyclictest2582420-21apt-get08:20:133
2510573992520,3cyclictest2725925-21apt-get10:40:113
2510573992520,3cyclictest0-21swapper/311:50:013
2510573992519,3cyclictest2823483-21grep12:15:163
251057399251,21cyclictest2817919-21apt-get12:10:163
251057399251,21cyclictest2675269-21apt-get09:50:173
251057399251,21cyclictest2669498-21cron09:45:003
251057399251,20cyclictest0-21swapper/308:55:113
251057399250,21cyclictest0-21swapper/310:50:113
2510571992522,2cyclictest2776644-21idleruntime-cro11:30:002
251057199251,22cyclictest2643472-21apt-get09:20:122
251057199250,23cyclictest2659010-21apt-key09:35:012
2510573992419,3cyclictest2572293-21apt-get08:10:103
251057399241,3cyclictest2720879-21apt-get10:35:133
251057399241,2cyclictest2510786-21apt-get07:10:123
251057399241,20cyclictest2515902-21apt-get07:15:113
251057399241,20cyclictest0-21swapper/310:10:163
251057399240,20cyclictest0-21swapper/312:00:123
251057199242,3cyclictest2602769-21apt-get08:40:122
251057199242,2cyclictest2736092-21apt-get10:50:112
2510571992420,2cyclictest2750874-21apt-get11:03:032
251057199241,21cyclictest2766730-21apt-get11:20:122
251057199241,21cyclictest0-21swapper/211:35:122
251057199241,21cyclictest0-21swapper/207:10:122
251057199241,20cyclictest2731002-21apt-get10:45:122
251057199240,22cyclictest2675757-21irqcore09:50:192
251057199240,21cyclictest0-21swapper/212:00:122
2510566992419,2cyclictest2628211-21apt-get09:05:131
251056399242,2cyclictest2761659-21apt-get11:15:100
251056399242,2cyclictest2761659-21apt-get11:15:100
251056399240,22cyclictest702-21runrttasks10:45:120
2510573992320,2cyclictest2750845-21apt-get11:03:003
2510573992319,2cyclictest2623114-21apt-get09:00:113
2510573992319,2cyclictest2551940-21apt-get07:50:133
2510573992319,2cyclictest0-21swapper/309:05:133
2510573992318,4cyclictest2616934-21ntp_offset08:50:223
2510573992318,3cyclictest2741116-21apt-get10:55:113
2510573992318,3cyclictest2542323-21irqcore07:40:163
2510573992318,3cyclictest0-21swapper/310:25:003
251057399231,2cyclictest2833120-21apt-get12:25:103
251057399231,2cyclictest0-21swapper/308:35:113
251057399231,20cyclictest2633327-21apt-get09:10:113
251057399230,20cyclictest0-21swapper/310:00:113
251057199231,2cyclictest2670193-21apt-get09:45:112
251057199231,2cyclictest2612932-21apt-get08:50:132
251057199231,2cyclictest0-21swapper/210:35:122
251057199231,2cyclictest0-21swapper/209:00:112
251057199230,3cyclictest2608123-21sort08:45:132
251057199230,20cyclictest0-21swapper/212:25:102
251057199230,20cyclictest0-21swapper/207:30:122
2510566992320,2cyclictest2597672-21apt-get08:35:111
2510566992319,2cyclictest2654088-21apt-get09:30:151
251056699231,2cyclictest2710783-21apt-get10:25:101
251056699231,2cyclictest2536728-21apt-get07:35:121
251056699230,20cyclictest2562131-21apt-get08:00:131
251056699230,20cyclictest0-21swapper/111:10:121
251056699230,19cyclictest0-21swapper/107:15:111
2510563992319,2cyclictest2546868-21apt-get07:45:120
251056399231,2cyclictest2756590-21apt-get11:10:120
251056399231,2cyclictest0-21swapper/010:55:190
251056399231,20cyclictest2797621-21apt-get11:50:160
251056399231,20cyclictest2685382-21apt-get10:00:110
251056399230,22cyclictest2817649-21cron12:10:010
251056399230,19cyclictest0-21swapper/007:50:130
2510573992219,2cyclictest64-21kcompactd011:12:503
2510573992219,2cyclictest2670696-21irqcore09:45:153
2510573992218,2cyclictest2771801-21apt-get11:25:113
251057399221,2cyclictest0-21swapper/310:30:163
251057399221,2cyclictest0-21swapper/308:15:113
251057399220,19cyclictest0-21swapper/309:25:123
251057399220,19cyclictest0-21swapper/307:35:133
251057199221,20cyclictest0-21swapper/210:15:122
251057199221,20cyclictest0-21swapper/209:35:112
251057199221,20cyclictest0-21swapper/209:11:532
251057199220,2cyclictest0-21swapper/208:55:112
251057199220,21cyclictest2821884-21ntpq12:10:252
2510566992219,2cyclictest2720177-21/usr/sbin/munin10:30:281
2510566992219,2cyclictest2592579-21apt-get08:30:111
2510566992219,2cyclictest2592579-21apt-get08:30:111
2510566992219,2cyclictest0-21swapper/108:45:111
2510566992218,2cyclictest0-21swapper/112:05:131
2510566992217,3cyclictest2731006-21runrttasks10:45:121
251056699220,20cyclictest2828054-21apt-get12:20:121
251056699220,19cyclictest0-21swapper/108:50:121
251056699220,19cyclictest0-21swapper/108:25:121
2510563992220,1cyclictest2541821-21apt-get07:40:120
2510563992219,1cyclictest2771801-21apt-get11:25:100
2510563992219,1cyclictest2648565-21apt-get09:25:120
2510563992218,2cyclictest2777324-21apt-get11:30:150
251056399221,2cyclictest2531632-21apt-get07:30:120
251056399221,20cyclictest2659577-21apt-get09:35:110
251056399220,20cyclictest2751430-21apt-get11:05:100
2510573992118,2cyclictest0-21swapper/312:20:113
2510573992118,2cyclictest0-21swapper/308:30:193
2510573992118,2cyclictest0-21swapper/308:30:193
2510573992118,1cyclictest0-21swapper/311:50:163
2510573992117,3cyclictest500-21dbus-daemon09:25:023
251057399211,1cyclictest0-21swapper/310:45:123
251057399210,2cyclictest0-21swapper/309:15:123
251057399210,20cyclictest2572049-21unin-run08:10:003
251057399210,19cyclictest0-21swapper/312:30:173
2510571992119,1cyclictest0-21swapper/212:05:132
2510571992118,1cyclictest0-21swapper/207:55:092
2510571992115,4cyclictest3777245-21sshd09:05:132
251057199211,1cyclictest0-21swapper/212:15:112
251057199211,1cyclictest0-21swapper/210:01:212
251057199210,2cyclictest2541544-21cron07:40:002
251057199210,2cyclictest0-21swapper/208:25:062
251057199210,20cyclictest0-21swapper/207:45:122
251057199210,1cyclictest0-21swapper/212:35:142
2510566992119,1cyclictest2767214-21ps11:20:161
2510566992117,3cyclictest2660075-21cut09:35:151
251056699210,2cyclictest2704562-21taskset10:15:201
251056699210,2cyclictest2582133-21cron08:20:001
251056699210,20cyclictest64-21kcompactd008:06:501
251056699210,20cyclictest2607583-21cron08:45:001
251056699210,20cyclictest2525969-21apt-key07:25:001
251056699210,1cyclictest0-21swapper/111:05:101
251056699210,19cyclictest0-21swapper/111:15:111
251056699210,19cyclictest0-21swapper/111:15:111
2510563992119,1cyclictest2521020-21apt-get07:20:100
2510563992119,1cyclictest0-21swapper/011:45:100
2510563992119,1cyclictest0-21swapper/009:40:120
2510563992118,2cyclictest2843287-21apt-get12:35:140
2510563992118,2cyclictest2807732-21apt-get12:00:120
2510563992118,2cyclictest2587512-21sshd08:25:120
2510563992118,2cyclictest0-21swapper/009:05:130
2510563992118,2cyclictest0-21swapper/008:45:120
2510563992118,2cyclictest0-21swapper/008:40:120
2510563992118,2cyclictest0-21swapper/008:30:110
2510563992118,2cyclictest0-21swapper/008:30:110
2510563992117,3cyclictest2561873-21idleruntime-cro08:00:000
2510563992117,2cyclictest0-21swapper/008:20:120
251056399211,1cyclictest0-21swapper/010:25:110
251056399210,2cyclictest2843007-21cron12:35:000
251056399210,20cyclictest2705438-21cron10:19:590
251056399210,20cyclictest2562628-21ps08:00:170
251056399210,20cyclictest0-21swapper/008:35:110
251056399210,1cyclictest2567223-21apt-get08:05:110
251056399210,1cyclictest0-21swapper/011:03:050
2510573992017,2cyclictest64-21kcompactd007:24:223
251057399200,20cyclictest0-21swapper/311:30:263
251057399200,1cyclictest0-21swapper/311:44:003
251057399200,1cyclictest0-21swapper/311:16:363
251057399200,1cyclictest0-21swapper/311:16:353
251057399200,1cyclictest0-21swapper/307:30:123
251057399200,19cyclictest2690475-21apt-get10:05:123
251057399200,19cyclictest0-21swapper/312:40:013
2510571992019,1cyclictest0-21swapper/209:15:122
2510571992018,1cyclictest0-21swapper/211:50:162
2510571992018,1cyclictest0-21swapper/211:15:112
2510571992018,1cyclictest0-21swapper/211:15:112
2510571992018,1cyclictest0-21swapper/210:20:122
2510571992018,1cyclictest0-21swapper/209:40:132
2510571992018,1cyclictest0-21swapper/209:25:122
2510571992018,1cyclictest0-21swapper/208:30:112
2510571992018,1cyclictest0-21swapper/208:30:112
2510571992017,1cyclictest0-21swapper/209:55:122
2510571992015,3cyclictest2716338-21grep10:30:202
251057199200,1cyclictest0-21swapper/212:20:122
251057199200,1cyclictest0-21swapper/207:20:112
251057199200,19cyclictest2745913-21cron11:00:002
251057199200,19cyclictest0-21swapper/211:55:142
251057199200,19cyclictest0-21swapper/211:10:122
251057199200,19cyclictest0-21swapper/210:25:102
251057199200,19cyclictest0-21swapper/210:10:252
2510566992018,1cyclictest0-21swapper/112:15:431
2510566992018,1cyclictest0-21swapper/109:20:121
2510566992018,1cyclictest0-21swapper/109:10:111
2510566992018,1cyclictest0-21swapper/108:58:591
2510566992018,1cyclictest0-21swapper/107:40:101
2510566992016,3cyclictest2843006-21cron12:35:001
2510566992016,2cyclictest2705714-21apt-get10:20:121
251056699201,19cyclictest0-21swapper/112:29:421
251056699200,1cyclictest0-21swapper/112:00:121
251056699200,1cyclictest0-21swapper/109:45:211
251056699200,1cyclictest0-21swapper/109:19:251
251056699200,1cyclictest0-21swapper/108:20:131
251056699200,1cyclictest0-21swapper/107:25:261
251056699200,19cyclictest0-21swapper/111:54:461
251056699200,19cyclictest0-21swapper/111:03:031
251056699200,18cyclictest0-21swapper/112:35:151
2510563992018,1cyclictest0-21swapper/011:35:120
2510563992018,1cyclictest0-21swapper/010:30:200
2510563992018,1cyclictest0-21swapper/009:50:150
2510563992018,1cyclictest0-21swapper/008:55:120
2510563992017,2cyclictest2699448-21sshd10:10:250
251056399200,1cyclictest0-21swapper/012:25:120
251056399200,1cyclictest0-21swapper/009:55:130
251056399200,1cyclictest0-21swapper/009:30:030
251056399200,1cyclictest0-21swapper/009:20:110
251056399200,1cyclictest0-21swapper/008:50:120
251056399200,1cyclictest0-21swapper/007:10:550
251056399200,19cyclictest702-21runrttasks11:20:110
251056399200,19cyclictest0-21swapper/012:15:110
251056399200,19cyclictest0-21swapper/011:40:100
2510573991917,1cyclictest0-21swapper/309:38:473
2510571991918,1cyclictest0-21swapper/208:21:212
2510571991917,1cyclictest2792524-21apt-get11:45:102
2510571991916,2cyclictest0-21swapper/211:32:432
2510571991916,2cyclictest0-21swapper/208:10:102
2510571991915,3cyclictest2730764-21gdbus10:45:002
2510571991915,3cyclictest2566956-21sh08:05:002
2510566991917,1cyclictest64-21kcompactd011:57:591
2510566991917,1cyclictest0-21swapper/112:10:151
2510566991917,1cyclictest0-21swapper/111:40:111
2510566991917,1cyclictest0-21swapper/111:30:241
2510566991917,1cyclictest0-21swapper/110:00:111
2510566991916,1cyclictest0-21swapper/111:35:121
251056699190,2cyclictest2555805-21head07:50:201
251056699190,1cyclictest0-21swapper/109:50:241
251056699190,19cyclictest0-21swapper/107:50:001
2510563991917,1cyclictest0-21swapper/010:50:110
251056399190,1cyclictest0-21swapper/011:57:270
2510573991814,2cyclictest0-21swapper/310:25:103
2510571991816,1cyclictest2838198-21apt-get12:30:162
2510571991816,1cyclictest2695327-21systemd-run10:10:002
2510571991816,1cyclictest0-21swapper/211:40:102
2510571991816,1cyclictest0-21swapper/207:25:122
2510571991815,1cyclictest0-21swapper/207:40:112
2510566991817,0cyclictest0-21swapper/107:30:121
2510566991816,1cyclictest64-21kcompactd011:28:571
2510566991816,1cyclictest0-21swapper/108:10:111
2510566991815,2cyclictest2741116-21apt-get10:55:111
2510566991815,2cyclictest2726427-21irqcore10:40:161
2510573991714,2cyclictest2557526-21tr07:55:143
2510573991714,2cyclictest0-21swapper/307:25:133
2510563991715,1cyclictest0-21swapper/012:10:150
2510563991715,1cyclictest0-21swapper/010:07:480
2510563991715,1cyclictest0-21swapper/009:15:120
2510573991614,1cyclictest0-21swapper/311:20:223
2510571991613,2cyclictest0-21swapper/208:15:122
2510566991615,1cyclictest64-21kcompactd011:45:051
2510566991614,1cyclictest2740845-21cron10:55:001
2510566991614,1cyclictest0-21swapper/109:55:121
2510566991614,1cyclictest0-21swapper/109:40:131
2510566991612,2cyclictest2510786-21apt-get07:10:121
2510563991613,2cyclictest62450irq/134-enp0s29f1:tx-010:40:230
2510563991613,2cyclictest61650irq/133-enp0s29f1:rx-010:35:170
2510563991613,2cyclictest61650irq/133-enp0s29f1:rx-010:20:110
2510563991613,2cyclictest2526541-21apt-get07:25:120
2510573991512,1cyclictest0-21swapper/311:05:163
2510571991512,1cyclictest0-21swapper/211:05:112
2510571991510,3cyclictest2515969-21cpuspeed_turbos07:15:122
2510566991513,1cyclictest2625714-21kthreadcore09:00:171
2510566991512,2cyclictest64-21kcompactd007:57:091
2510566991512,2cyclictest2652965-21unixbench_singl09:25:241
2510566991511,2cyclictest0-21swapper/110:09:591
2510563991513,1cyclictest2541572-21basename07:40:000
2510563991513,1cyclictest0-21swapper/009:45:110
2510563991512,2cyclictest61650irq/133-enp0s29f1:rx-009:10:110
2510563991511,3cyclictest61650irq/133-enp0s29f1:rx-009:00:110
2510563991511,3cyclictest61650irq/133-enp0s29f1:rx-008:15:110
2510563991410,3cyclictest61650irq/133-enp0s29f1:rx-007:15:110
251057399131,3cyclictest2817644-21awk12:10:013
2510571991312,0cyclictest0-21swapper/208:05:112
2510566991312,1cyclictest0-21swapper/110:38:581
2510563991310,2cyclictest61650irq/133-enp0s29f1:rx-012:22:320
251057399128,3cyclictest2607111-21unixbench_multi08:40:253
251057199127,3cyclictest2552320-21hddtemp_smartct07:50:162
251056699128,3cyclictest2695872-21gltestperf10:10:191
25105719995,3cyclictest2510611-21sed07:10:012
25105669974,2cyclictest18050irq/130-nvme0q207:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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