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2025-11-30 - 03:42
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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 792 highest latencies:
System rackeslot4.osadl.org (updated Sun Nov 30, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
364996899272,21cyclictest4012924-21apt-get00:20:142
364996899271,22cyclictest3798586-21apt-get21:30:122
364996899261,3cyclictest3853165-21ntpq22:10:212
364996899261,22cyclictest3868106-21taskset22:25:122
364996099262,21cyclictest3706708-21apt-get20:05:141
364996099261,21cyclictest3969015-21apt-get23:45:131
364997699252,20cyclictest4032662-21apt-get00:35:143
3649976992520,3cyclictest3931348-21apt-get23:15:123
364997699251,20cyclictest3655600-21apt-get19:15:153
364996899252,2cyclictest3772866-21apt-get21:10:162
3649968992520,3cyclictest3861738-21apt-get22:20:132
3649968992520,3cyclictest3767700-21apt-get21:05:152
3649968992520,3cyclictest3767700-21apt-get21:05:152
364996899251,21cyclictest3792345-21apt-get21:25:132
364996899251,21cyclictest3772536-21diskmemload21:35:052
364996099252,20cyclictest3716867-21apt-get20:15:141
3649960992520,3cyclictest3696475-21apt-get19:55:131
3649954992519,5cyclictest3772536-21diskmemload21:33:150
364997699241,20cyclictest3772536-21diskmemload21:30:083
364997699240,22cyclictest3953766-21kthreadcore23:30:173
364997699240,22cyclictest3953766-21kthreadcore23:30:163
3649968992420,3cyclictest3956470-21apt-get23:35:122
3649968992419,3cyclictest3779456-21ssh21:15:132
3649968992419,1cyclictest191rcu_preempt00:00:512
364996899241,3cyclictest4006685-21apt-get00:15:112
364996899241,3cyclictest3772536-21diskmemload00:37:062
364996899241,3cyclictest0-21swapper/223:55:462
364996899241,3cyclictest0-21swapper/222:45:132
364996899241,2cyclictest0-21swapper/223:15:302
364996899241,22cyclictest3950238-21ssh23:30:122
364996899241,22cyclictest3950238-21ssh23:30:112
364996899241,22cyclictest3772536-21diskmemload22:32:452
364996899241,21cyclictest686-21snmpd21:52:332
364996899241,21cyclictest3772536-21diskmemload23:07:562
364996899241,21cyclictest3772536-21diskmemload22:54:352
364996899241,21cyclictest3772536-21diskmemload22:16:132
364996899241,21cyclictest0-21swapper/200:05:132
364996899240,2cyclictest0-21swapper/219:35:142
364996899240,22cyclictest4000431-21runrttasks00:10:142
364996899240,22cyclictest3981264-21cron23:55:002
364996899240,21cyclictest0-21swapper/220:50:132
364996099241,21cyclictest0-21swapper/122:25:121
364996099241,20cyclictest64-21kcompactd021:45:051
364996099240,23cyclictest3998922-21ssh00:06:121
364995499242,2cyclictest3691383-21apt-get19:50:130
3649954992421,2cyclictest3676062-21apt-get19:35:140
364995499241,21cyclictest3925001-21apt-get23:10:120
364995499241,20cyclictest3742313-21apt-get20:40:150
364995499240,22cyclictest3918778-21ssh23:05:110
3649976992320,2cyclictest3900060-21apt-get22:50:143
3649976992320,2cyclictest3681151-21apt-get19:40:143
364997699231,2cyclictest3772536-21diskmemload21:22:523
364997699231,21cyclictest3772536-21diskmemload23:42:243
364997699231,21cyclictest3762576-21apt-get21:00:153
364997699231,19cyclictest0-21swapper/322:55:043
364997699230,4cyclictest3836623-21ssh22:00:143
364997699230,22cyclictest3974292-21ssh23:47:463
364997699230,21cyclictest3778712-21cron21:15:013
364997699230,20cyclictest0-21swapper/322:15:143
364997699230,20cyclictest0-21swapper/320:35:133
3649968992319,2cyclictest0-21swapper/219:20:132
3649968992319,1cyclictest0-21swapper/221:00:152
364996899231,2cyclictest4025206-21apt-get00:30:022
364996899231,2cyclictest3937655-21apt-get23:20:122
364996899231,2cyclictest3772536-21diskmemload23:26:492
364996899231,2cyclictest3716867-21apt-get20:15:142
364996899231,2cyclictest0-21swapper/223:49:122
364996899231,2cyclictest0-21swapper/221:20:432
364996899231,21cyclictest0-21swapper/223:10:562
364996899231,21cyclictest0-21swapper/222:40:312
364996899231,20cyclictest3772536-21diskmemload23:02:262
364996899231,20cyclictest0-21swapper/220:39:292
364996899231,20cyclictest0-21swapper/220:05:142
364996899230,4cyclictest3747067-21idleruntime-cro20:45:002
364996899230,3cyclictest3817763-21ssh21:45:052
364996899230,21cyclictest3845728-21cut22:05:192
364996899230,21cyclictest0-21swapper/219:55:132
3649960992318,4cyclictest3799124-21irqcore21:30:161
3649960992318,3cyclictest3950322-21df23:30:121
3649960992318,3cyclictest3950322-21df23:30:111
3649960992318,2cyclictest0-21swapper/121:15:131
3649960992317,5cyclictest3962403-21/usr/sbin/munin23:40:001
364996099231,2cyclictest3811562-21apt-get21:40:141
364996099231,21cyclictest0-21swapper/121:25:131
364996099230,2cyclictest0-21swapper/100:20:141
364996099230,21cyclictest0-21swapper/121:35:051
364996099230,20cyclictest0-21swapper/123:55:131
364996099230,20cyclictest0-21swapper/122:45:141
364996099230,1cyclictest0-21swapper/100:15:111
3649954992320,2cyclictest3981577-21apt-get23:55:120
3649954992320,2cyclictest3830328-21apt-get21:55:130
3649954992320,2cyclictest3757498-21apt-get20:55:130
3649954992319,3cyclictest3772536-21diskmemload22:33:220
3649954992319,2cyclictest3778720-21awk21:15:010
364995499231,2cyclictest3665831-21apt-get19:25:120
364995499231,20cyclictest3956190-21munin-run23:35:010
364995499231,20cyclictest3956190-21munin-run23:35:000
364995499231,20cyclictest3772536-21diskmemload00:21:590
364995499231,20cyclictest3660714-21apt-get19:20:130
364995499230,4cyclictest3816593-21chrt21:42:040
364995499230,3cyclictest3797228-21ssh21:26:360
364995499230,22cyclictest3881019-21df22:35:120
364995499230,20cyclictest3772536-21diskmemload23:20:060
3649976992219,2cyclictest3772536-21diskmemload22:21:123
3649976992219,1cyclictest4006693-21ssh00:15:133
3649976992218,3cyclictest3980631-21ssh23:52:553
3649976992218,3cyclictest1-21systemd21:30:013
3649976992218,2cyclictest3824072-21seq21:50:133
3649976992217,3cyclictest3670950-21taskset19:30:143
364997699221,2cyclictest3772536-21diskmemload21:18:453
364997699221,20cyclictest3772536-21diskmemload23:56:093
364997699221,20cyclictest3772536-21diskmemload23:20:293
364997699221,20cyclictest3772536-21diskmemload00:01:073
364997699221,1cyclictest0-21swapper/320:50:133
364997699220,2cyclictest3949010-21ssh23:27:203
364997699220,2cyclictest3898734-21ssh22:46:513
364997699220,2cyclictest3772536-21diskmemload21:40:023
364997699220,21cyclictest64-21kcompactd023:04:233
364997699220,20cyclictest4025950-21ssh00:30:133
364997699220,20cyclictest3772536-21diskmemload00:25:023
364997699220,19cyclictest3772536-21diskmemload22:40:023
364997699220,19cyclictest0-21swapper/323:10:133
364997699220,19cyclictest0-21swapper/322:05:143
364997699220,19cyclictest0-21swapper/321:55:133
364997699220,19cyclictest0-21swapper/319:25:123
364997699220,19cyclictest0-21swapper/319:20:133
3649968992219,2cyclictest0-21swapper/223:40:192
3649968992219,2cyclictest0-21swapper/219:50:132
3649968992219,1cyclictest3747344-21apt-get20:45:152
3649968992218,3cyclictest0-21swapper/222:56:392
364996899221,20cyclictest0-21swapper/220:24:592
364996899221,20cyclictest0-21swapper/219:15:162
364996899221,20cyclictest0-21swapper/200:25:062
364996899221,1cyclictest3772536-21diskmemload22:00:082
364996899221,1cyclictest0-21swapper/221:55:132
364996899220,2cyclictest0-21swapper/222:35:092
364996899220,21cyclictest0-21swapper/219:30:162
364996899220,20cyclictest0-21swapper/219:40:142
3649960992219,2cyclictest3772536-21diskmemload23:19:221
3649960992219,2cyclictest3772536-21diskmemload22:30:031
3649960992219,2cyclictest3772536-21diskmemload22:20:061
3649960992219,2cyclictest1644576-21kworker/1:1-events19:30:001
3649960992219,1cyclictest0-21swapper/100:00:551
3649960992218,3cyclictest3980611-21ssh23:52:521
3649960992218,3cyclictest3967660-21ssh23:41:391
3649960992218,3cyclictest3885709-21sh22:36:091
3649960992218,2cyclictest3772536-21diskmemload23:10:561
3649960992218,2cyclictest0-21swapper/122:54:351
3649960992216,5cyclictest3772866-21apt-get21:10:151
364996099221,20cyclictest3912586-21apt-get23:00:141
364996099221,20cyclictest3824063-21apt-get21:50:131
364996099221,1cyclictest3772536-21diskmemload00:35:401
364996099221,1cyclictest0-21swapper/122:55:281
364996099220,4cyclictest3892229-21ssh22:41:041
364996099220,2cyclictest3772536-21diskmemload22:09:191
364996099220,21cyclictest0-21swapper/121:55:131
364996099220,20cyclictest3772536-21diskmemload00:29:171
364996099220,20cyclictest0-21swapper/123:20:121
364996099220,1cyclictest3948483-21ssh23:25:331
364996099220,1cyclictest0-21swapper/122:00:091
364996099220,1cyclictest0-21swapper/120:42:431
364996099220,19cyclictest0-21swapper/122:16:141
364996099220,19cyclictest0-21swapper/121:20:431
3649954992220,1cyclictest3906307-21apt-get22:55:140
3649954992220,1cyclictest3836620-21apt-get22:00:150
3649954992219,2cyclictest3772536-21diskmemload23:47:520
3649954992219,2cyclictest3772536-21diskmemload22:41:240
3649954992219,2cyclictest3772536-21diskmemload21:19:230
3649954992219,2cyclictest3772536-21diskmemload00:28:280
3649954992218,2cyclictest3651016-21grep19:10:170
3649954992218,2cyclictest0-21swapper/020:04:590
364995499221,2cyclictest3752419-21apt-get20:50:130
364995499221,20cyclictest3975324-21apt-get23:50:140
364995499221,20cyclictest3893788-21apt-get22:45:140
364995499221,20cyclictest3804859-21apt-get21:35:120
364995499221,20cyclictest3772536-21diskmemload22:27:090
364995499221,20cyclictest3772536-21diskmemload22:06:260
364995499221,20cyclictest3772536-21diskmemload00:38:140
364995499221,20cyclictest0-21swapper/022:21:180
364995499221,1cyclictest3772536-21diskmemload22:10:030
364995499220,21cyclictest3904746-21ssh22:51:020
364995499220,21cyclictest3819903-21kthreadcore21:45:200
364995499220,21cyclictest245621450irq/127-enp0s29f1:rx-023:15:130
3649976992119,1cyclictest3772536-21diskmemload00:08:523
3649976992119,1cyclictest0-21swapper/321:47:293
3649976992119,1cyclictest0-21swapper/321:35:123
3649976992119,1cyclictest0-21swapper/319:35:143
3649976992118,1cyclictest0-21swapper/322:35:393
3649976992116,3cyclictest3849106-21ssh22:10:113
364997699210,2cyclictest0-21swapper/323:35:123
364997699210,20cyclictest3772536-21diskmemload22:30:173
364997699210,20cyclictest3772536-21diskmemload00:11:073
364997699210,20cyclictest0-21swapper/323:06:073
364997699210,20cyclictest0-21swapper/319:10:153
364997699210,1cyclictest0-21swapper/300:20:133
364997699210,19cyclictest0-21swapper/322:25:023
364997699210,18cyclictest0-21swapper/320:15:133
3649968992119,1cyclictest0-21swapper/219:25:132
364996899210,2cyclictest0-21swapper/219:14:332
3649960992119,1cyclictest0-21swapper/120:39:291
3649960992119,1cyclictest0-21swapper/119:35:141
3649960992118,2cyclictest301rcuc/100:10:221
3649960992118,2cyclictest0-21swapper/121:05:151
3649960992118,2cyclictest0-21swapper/121:05:151
3649960992117,3cyclictest0-21swapper/120:10:151
3649960992117,2cyclictest0-21swapper/120:50:131
364996099210,1cyclictest0-21swapper/119:20:131
364996099210,19cyclictest3919272-21ps23:05:161
364996099210,19cyclictest0-21swapper/100:30:021
364996099210,18cyclictest3853172-21ld22:10:211
3649954992119,1cyclictest3772536-21diskmemload00:10:170
3649954992119,1cyclictest0-21swapper/023:41:350
3649954992119,1cyclictest0-21swapper/023:01:130
3649954992119,1cyclictest0-21swapper/019:55:130
3649954992119,1cyclictest0-21swapper/000:30:130
3649954992118,2cyclictest3824328-21fschecks_time21:50:150
3649954992118,1cyclictest3721963-21apt-get20:20:130
3649954992117,3cyclictest3998935-21ssh00:06:140
3649954992117,3cyclictest3471731-21systemd-journal19:50:000
364995499211,1cyclictest3855478-21apt-get22:15:150
364995499210,2cyclictest64-21kcompactd020:13:090
364995499210,20cyclictest3772536-21diskmemload00:16:570
364995499210,20cyclictest3772536-21diskmemload00:02:450
364995499210,20cyclictest0-21swapper/023:25:150
364995499210,20cyclictest0-21swapper/021:20:140
364995499210,1cyclictest0-21swapper/023:35:130
3649976992018,1cyclictest0-21swapper/321:05:153
3649976992018,1cyclictest0-21swapper/321:05:153
3649976992018,1cyclictest0-21swapper/320:30:143
364997699201,19cyclictest0-21swapper/320:43:473
3649968992018,1cyclictest3732159-21apt-get20:30:152
364996899200,1cyclictest0-21swapper/220:58:512
364996899200,1cyclictest0-21swapper/220:00:162
364996899200,1cyclictest0-21swapper/219:10:012
364996899200,19cyclictest0-21swapper/219:45:152
3649960992018,1cyclictest64-21kcompactd019:41:581
3649960992018,1cyclictest0-21swapper/120:45:151
3649960992016,2cyclictest0-21swapper/119:50:131
364996099200,1cyclictest0-21swapper/120:30:151
364996099200,1cyclictest0-21swapper/119:45:151
3649954992018,1cyclictest0-21swapper/020:17:270
3649954992018,1cyclictest0-21swapper/019:40:140
364995499200,19cyclictest3711499-21idleruntime-cro20:09:590
364995499200,19cyclictest0-21swapper/020:25:220
3649976991918,0cyclictest0-21swapper/320:07:143
3649976991917,1cyclictest3727034-21apt-get20:25:123
3649976991917,1cyclictest0-21swapper/320:10:143
364996899190,18cyclictest0-21swapper/220:11:322
3649960991917,1cyclictest0-21swapper/120:00:171
3649960991916,2cyclictest301rcuc/119:15:001
3649954991917,2cyclictest64-21kcompactd020:31:580
364995499191,17cyclictest3670947-21apt-get19:30:150
364995499190,18cyclictest0-21swapper/020:48:060
3649976991816,1cyclictest0-21swapper/320:55:143
3649976991816,1cyclictest0-21swapper/319:45:143
364997699180,1cyclictest0-21swapper/320:45:193
3649960991816,1cyclictest0-21swapper/119:15:151
3649960991815,2cyclictest0-21swapper/121:00:151
364995499180,18cyclictest0-21swapper/021:06:230
364995499180,18cyclictest0-21swapper/021:06:220
3649976991715,1cyclictest0-21swapper/319:58:063
364996899170,16cyclictest0-21swapper/220:25:132
3649960991712,3cyclictest301rcuc/119:10:011
3649976991612,3cyclictest3705967-21unixbench_multi20:00:283
3649960991613,2cyclictest0-21swapper/119:30:141
3649976991513,1cyclictest3649986-21sed19:10:003
3649960991513,1cyclictest0-21swapper/120:25:131
3649954991512,2cyclictest245621450irq/127-enp0s29f1:rx-019:15:140
3649976991411,2cyclictest3691871-21irqcore19:50:173
364996099145,4cyclictest191rcu_preempt20:55:161
3649954991412,1cyclictest245621450irq/127-enp0s29f1:rx-021:00:180
3649954991411,2cyclictest245621450irq/127-enp0s29f1:rx-020:35:240
3649976991310,2cyclictest3725998-21proc_pri20:20:253
364996099120,2cyclictest191rcu_preempt20:20:161
364995499117,2cyclictest3649813-21latency_hist19:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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