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2026-07-19 - 15:50
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rackeslot2.osadl.org (updated Sun Jul 19, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27277822960,2sleep20-21swapper/208:56:132
26067412350,1sleep00-21swapper/007:16:130
29153132310,2sleep20-21swapper/211:06:112
27868422310,2sleep30-21swapper/309:38:313
259493599260,3cyclictest2838909-21perf10:15:010
2594936992521,3cyclictest664-21dbus-daemon11:35:021
2594936992521,3cyclictest664-21dbus-daemon11:35:021
2594936992517,7cyclictest0-21swapper/111:55:011
2594935992515,6cyclictest2958286-21/usr/sbin/munin11:36:170
2594935992515,6cyclictest0-21swapper/012:10:020
28015402240,1sleep02801541-21sh09:48:260
2594935992315,5cyclictest1-21systemd09:15:440
2594935992313,6cyclictest0-21swapper/012:30:020
2594937992219,1cyclictest0-21swapper/211:25:012
2594937992219,1cyclictest0-21swapper/208:55:012
259493599220,21cyclictest2853689-21ls10:25:010
2594937992119,1cyclictest0-21swapper/211:20:012
2594936992118,2cyclictest2942665-21basename11:25:011
2594935992114,6cyclictest2938837-21kthreadcore11:21:130
3240591200,2phc2sys0-21swapper/309:31:073
2594937992013,2cyclictest0-21swapper/208:21:162
2594936992017,2cyclictest3024449-21sendmail12:20:001
259493599208,4cyclictest1300-21mta-sts-daemon09:26:310
3240591190,3phc2sys0-21swapper/308:35:013
2594937991917,1cyclictest0-21swapper/210:35:022
2594937991916,1cyclictest0-21swapper/210:00:012
2594937991916,1cyclictest0-21swapper/209:30:012
2594937991915,1cyclictest0-21swapper/211:55:022
2594936991916,2cyclictest2780097-21/usr/sbin/munin09:35:011
2594936991916,2cyclictest2601584-21vmstat07:15:021
2594936991916,2cyclictest2594933-21cyclictest08:20:011
259493599199,5cyclictest1300-21mta-sts-daemon12:23:060
259493599198,6cyclictest0-21swapper/009:21:120
2594935991916,2cyclictest2898429-21grep10:55:000
3240591180,1phc2sys0-21swapper/309:18:333
2594937991816,1cyclictest0-21swapper/211:31:162
2594937991816,1cyclictest0-21swapper/211:31:162
2594937991816,1cyclictest0-21swapper/210:40:022
2594936991815,2cyclictest351ktimers/110:22:561
2594936991815,2cyclictest2830201-21grep10:06:181
2594936991812,2cyclictest69250irq/121-eno109:20:011
2594936991811,3cyclictest2965902-21aten_repower_vo11:41:051
2594936991811,3cyclictest2609907-21tail07:21:061
259493599188,6cyclictest2785668-21ptp4l-jitter09:36:190
2594935991815,2cyclictest2879264-21kthreadcore10:41:120
2594935991815,2cyclictest2807807-21mailstats09:51:160
2594935991815,2cyclictest2706940-21/usr/sbin/munin08:41:140
2594935991815,2cyclictest2669500-21mailstats08:06:180
2594935991810,4cyclictest2952018-21kthreadcore11:31:120
2594935991810,4cyclictest2952018-21kthreadcore11:31:120
259493599180,2cyclictest2921225-21/usr/sbin/munin11:11:120
3240591171,2phc2sys0-21swapper/310:02:253
3240591170,2phc2sys0-21swapper/311:55:003
3240591170,2phc2sys0-21swapper/310:09:063
3240591170,2phc2sys0-21swapper/309:24:263
26513882170,2sleep20-21swapper/207:51:182
259493799171,7cyclictest0-21swapper/209:21:042
2594937991715,1cyclictest0-21swapper/209:55:022
2594937991714,1cyclictest0-21swapper/212:20:002
2594937991714,1cyclictest0-21swapper/209:15:012
2594937991714,1cyclictest0-21swapper/207:40:022
2594937991711,2cyclictest0-21swapper/212:36:102
259493699175,6cyclictest2794712-21perf09:45:001
2594936991715,1cyclictest1034-21runrttasks11:36:031
2594936991714,2cyclictest664-21dbus-daemon12:40:011
2594936991714,2cyclictest3011467-21ps12:11:101
2594936991714,2cyclictest2995071-21sh12:00:021
2594936991714,2cyclictest2995071-21sh12:00:021
2594936991714,2cyclictest0-21swapper/108:55:011
2594936991713,3cyclictest2920712-21latency_hist11:10:011
2594936991710,3cyclictest2884437-21aten2.4-expect10:46:061
259493699170,11cyclictest664-21dbus-daemon08:50:011
259493599179,4cyclictest2866012-21kthreadcore10:31:140
2594935991714,2cyclictest664-21dbus-daemon12:20:000
2594935991714,2cyclictest664-21dbus-daemon11:05:010
2594935991714,2cyclictest2602360-21kthreadcore07:15:030
259493599171,10cyclictest664-21dbus-daemon08:25:020
3240591160,2phc2sys0-21swapper/312:22:213
3240591160,2phc2sys0-21swapper/311:18:043
2594937991614,1cyclictest0-21swapper/210:41:072
2594937991614,1cyclictest0-21swapper/210:30:022
2594937991614,1cyclictest0-21swapper/209:45:012
2594937991614,1cyclictest0-21swapper/209:35:022
2594937991614,1cyclictest0-21swapper/207:11:112
2594937991613,1cyclictest0-21swapper/211:26:072
2594937991613,1cyclictest0-21swapper/209:46:192
259493699168,3cyclictest0-21swapper/112:10:011
259493699168,3cyclictest0-21swapper/111:46:061
2594936991613,2cyclictest714-21gdbus08:11:161
2594936991613,2cyclictest3044673-21needreboot12:31:141
2594936991613,2cyclictest3039313-21munin-plugin-st12:30:011
2594936991613,2cyclictest2897099-21tail10:51:181
2594936991613,2cyclictest2840278-21gltestperf10:16:071
2594936991613,2cyclictest2822561-21mailstats10:01:171
2594936991613,2cyclictest2664364-21/usr/sbin/munin08:05:021
2594936991613,2cyclictest2647587-21kthreadcore07:51:121
2594936991613,2cyclictest1300-21mta-sts-daemon11:01:531
2594936991613,2cyclictest0-21swapper/111:20:021
2594936991613,2cyclictest0-21swapper/110:45:021
2594936991613,2cyclictest0-21swapper/109:50:021
2594936991612,3cyclictest2809615-21/usr/sbin/munin09:55:021
2594936991612,3cyclictest2703668-21kthreadcore08:36:111
2594936991612,2cyclictest0-21swapper/110:30:031
259493599169,4cyclictest2634282-21tail07:41:060
259493599168,2cyclictest0-21swapper/008:00:000
259493599165,7cyclictest3046144-21sshd12:33:440
259493599165,6cyclictest0-21swapper/009:11:180
259493599161,4cyclictest2780153-21unin-run09:35:010
2594935991613,2cyclictest2993616-21grep11:56:180
2594935991613,2cyclictest2993616-21grep11:56:180
2594935991613,2cyclictest2933725-21mailstats11:16:160
2594935991613,2cyclictest2742480-21ptp4l-jitter09:06:160
2594935991613,2cyclictest2725009-21wc08:55:010
2594935991611,4cyclictest1309-21mta-sts-daemon10:36:470
2594935991611,4cyclictest0-21swapper/008:30:010
2594935991610,5cyclictest2857187-21kthreadcore10:26:130
259493599160,12cyclictest2823815-21ssh10:03:570
3240591151,7phc2sys0-21swapper/308:56:063
3240591150,9phc2sys0-21swapper/311:31:143
3240591150,9phc2sys0-21swapper/311:31:143
3240591150,2phc2sys0-21swapper/311:12:503
3240591150,2phc2sys0-21swapper/309:44:333
3240591150,1phc2sys0-21swapper/311:27:423
259493799152,6cyclictest28529452sleep210:22:522
2594937991513,1cyclictest0-21swapper/211:40:012
2594937991512,1cyclictest0-21swapper/212:31:082
2594937991512,1cyclictest0-21swapper/212:20:162
2594937991512,1cyclictest0-21swapper/212:11:132
2594937991512,1cyclictest0-21swapper/211:00:002
2594937991512,1cyclictest0-21swapper/210:10:032
2594937991512,1cyclictest0-21swapper/210:01:162
2594937991512,1cyclictest0-21swapper/208:06:192
2594937991511,2cyclictest0-21swapper/212:26:102
2594937991511,2cyclictest0-21swapper/211:46:072
2594937991511,2cyclictest0-21swapper/207:45:022
259493699157,3cyclictest0-21swapper/109:56:191
2594936991513,1cyclictest1309-21mta-sts-daemon08:21:111
2594936991513,1cyclictest1300-21mta-sts-daemon09:23:221
2594936991512,2cyclictest3002201-21sh12:04:451
2594936991512,2cyclictest2837345-21ssh10:11:171
2594936991512,2cyclictest2731260-21cut09:00:021
2594936991512,2cyclictest2594933-21cyclictest10:33:471
2594936991512,2cyclictest1309-21mta-sts-daemon09:11:061
2594936991512,2cyclictest0-21swapper/109:10:031
2594936991512,2cyclictest0-21swapper/108:30:011
2594936991511,2cyclictest0-21swapper/107:45:011
2594936991510,4cyclictest2944103-21gltestperf11:26:091
259493699150,2cyclictest0-21swapper/108:44:001
259493599158,6cyclictest0-21swapper/009:56:090
259493599156,2cyclictest0-21swapper/011:46:100
259493599156,1cyclictest2899046-21ssh10:56:040
259493599155,6cyclictest0-21swapper/007:20:340
2594935991513,1cyclictest0-21swapper/011:06:150
2594935991512,2cyclictest2995726-21aten_repower_vo12:01:050
2594935991512,2cyclictest2884879-21fschecks_count10:46:080
2594935991512,2cyclictest2839895-21tr10:16:050
2594935991512,2cyclictest1307-21mta-sts-daemon08:05:020
2594935991511,2cyclictest0-21swapper/011:41:060
2594935991510,3cyclictest0-21swapper/009:45:020
259493599150,4cyclictest3015744-21grep12:11:170
1157598150,4rtkit-daemon1307-21mta-sts-daemon12:37:190
1157598150,11rtkit-daemon2986111-21ssh11:51:500
3240591142,2phc2sys0-21swapper/309:57:283
3240591141,6phc2sys0-21swapper/307:46:063
3240591140,2phc2sys0-21swapper/312:03:153
3240591140,2phc2sys0-21swapper/310:55:583
3240591140,2phc2sys0-21swapper/308:45:453
3240591140,1phc2sys0-21swapper/310:20:183
3240591140,1phc2sys0-21swapper/309:52:113
259493799149,3cyclictest0-21swapper/208:31:132
2594937991412,1cyclictest0-21swapper/209:05:012
2594937991412,1cyclictest0-21swapper/208:25:482
2594937991411,1cyclictest0-21swapper/212:01:172
2594937991411,1cyclictest0-21swapper/211:56:452
2594937991411,1cyclictest0-21swapper/211:56:452
2594937991411,1cyclictest0-21swapper/211:11:112
2594937991411,1cyclictest0-21swapper/210:46:082
2594937991411,1cyclictest0-21swapper/209:16:112
2594937991411,1cyclictest0-21swapper/208:46:092
2594937991411,1cyclictest0-21swapper/208:41:112
2594937991411,1cyclictest0-21swapper/207:21:122
2594937991410,2cyclictest0-21swapper/210:15:472
259493799140,12cyclictest2627643-21chrt07:34:592
259493799140,12cyclictest2627643-21chrt07:34:592
259493799140,12cyclictest2621590-21chrt07:29:582
259493799140,11cyclictest2972411-21chrt11:44:592
259493799140,11cyclictest2737488-21taskset09:05:032
259493699149,4cyclictest2655259-21cut07:56:131
259493699149,4cyclictest2601095-21munin-node09:04:441
259493699145,4cyclictest0-21swapper/109:36:191
2594936991412,1cyclictest11574-21rtkit-daemon12:21:101
2594936991411,2cyclictest2633817-21sh07:40:001
2594936991411,2cyclictest2617217-21kthreadcore07:26:121
2594936991411,2cyclictest2606495-21kthreadcore07:16:141
2594936991411,2cyclictest0-21swapper/109:30:021
2594936991410,3cyclictest2924090-21kthreadcore11:11:111
2594936991410,3cyclictest2872110-21kthreadcore10:36:121
2594936991410,3cyclictest2697605-21kthreadcore08:31:131
259493599147,6cyclictest2673126-21tr08:11:120
259493599147,2cyclictest2731494-21/usr/sbin/munin09:01:170
2594935991411,2cyclictest688-21in:imuxsock07:35:020
2594935991411,2cyclictest688-21in:imuxsock07:35:020
2594935991411,2cyclictest2947509-21kthreadcore11:26:130
2594935991411,2cyclictest2713129-21aten_repower_fr08:46:060
2594935991411,2cyclictest2701702-21if_enp1s008:36:080
2594935991411,2cyclictest2676708-21aten_repower_en08:16:040
2594935991411,2cyclictest2640190-21acpi07:46:050
2594935991411,2cyclictest2594933-21cyclictest10:06:150
259493599140,3cyclictest2694789-21/usr/sbin/munin08:31:060
1157598140,6rtkit-daemon1307-21mta-sts-daemon07:05:400
3240591133,2phc2sys0-21swapper/310:31:393
3240591130,4phc2sys0-21swapper/310:53:333
3240591130,2phc2sys0-21swapper/310:15:363
3240591130,2phc2sys0-21swapper/309:28:443
3240591130,2phc2sys0-21swapper/307:26:323
3240591130,1phc2sys0-21swapper/308:27:263
3240591130,1phc2sys0-21swapper/307:59:503
30093722132,2sleep30-21swapper/312:09:103
259493799139,2cyclictest0-21swapper/210:50:152
259493799131,9cyclictest0-21swapper/209:36:062
2594937991311,1cyclictest0-21swapper/208:36:062
2594937991310,1cyclictest0-21swapper/211:01:122
2594937991310,1cyclictest0-21swapper/208:16:112
259493799130,11cyclictest2831845-21chrt10:10:042
259493799130,10cyclictest2676456-21taskset08:15:022
259493799130,10cyclictest26640882chrt08:04:562
259493799130,10cyclictest2658020-21chrt07:59:592
259493799130,10cyclictest2645867-21chrt07:49:572
259493699139,3cyclictest2623314-21kthreadcore07:31:131
259493699139,3cyclictest2623314-21kthreadcore07:31:131
259493699132,6cyclictest11574-21rtkit-daemon07:45:591
2594936991311,1cyclictest1307-21mta-sts-daemon08:05:041
2594936991310,2cyclictest2902815-21kthreadcore10:56:131
259493599134,5cyclictest2616722-21if_enp1s007:26:090
2594935991310,2cyclictest664-21dbus-daemon07:40:020
3240591127,2phc2sys0-21swapper/308:01:113
3240591121,5phc2sys0-21swapper/311:41:033
3240591121,5phc2sys0-21swapper/307:21:063
3240591120,3phc2sys0-21swapper/307:06:043
3240591120,2phc2sys0-21swapper/312:26:383
3240591120,2phc2sys0-21swapper/308:10:263
3240591120,1phc2sys0-21swapper/312:10:253
2594937991210,1cyclictest0-21swapper/212:06:102
2594937991210,1cyclictest0-21swapper/207:15:032
259493599125,5cyclictest2728070-21cut08:56:140
259493599121,6cyclictest2646293-21apt-get07:51:050
3240591112,2phc2sys0-21swapper/312:34:163
3240591111,2phc2sys0-21swapper/312:16:203
3240591111,2phc2sys0-21swapper/308:25:023
3240591111,2phc2sys0-21swapper/307:15:023
3240591110,2phc2sys0-21swapper/311:36:113
3240591110,2phc2sys0-21swapper/311:05:173
3240591110,2phc2sys0-21swapper/310:36:123
3240591110,2phc2sys0-21swapper/307:36:053
3240591110,1phc2sys0-21swapper/311:01:533
3240591110,1phc2sys0-21swapper/309:09:423
259493799119,1cyclictest0-21swapper/207:10:032
3240591104,2phc2sys0-21swapper/309:10:373
3240591102,2phc2sys0-21swapper/310:25:263
3240591101,4phc2sys0-21swapper/310:50:013
3240591101,2phc2sys0-21swapper/307:31:133
3240591101,2phc2sys0-21swapper/307:31:133
3240591100,2phc2sys0-21swapper/312:36:203
3240591100,2phc2sys0-21swapper/311:21:043
3240591100,2phc2sys0-21swapper/310:41:053
3240591100,2phc2sys0-21swapper/309:01:043
3240591100,2phc2sys0-21swapper/308:54:433
3240591100,2phc2sys0-21swapper/308:41:053
3240591100,2phc2sys0-21swapper/307:51:123
3240591100,1phc2sys0-21swapper/311:58:173
3240591100,1phc2sys0-21swapper/311:58:173
3240591100,1phc2sys0-21swapper/311:48:143
3240591100,1phc2sys0-21swapper/308:17:213
324059191,2phc2sys0-21swapper/308:35:363
324059190,2phc2sys0-21swapper/310:10:113
324059190,2phc2sys0-21swapper/309:45:543
324059190,2phc2sys0-21swapper/308:06:113
324059190,2phc2sys0-21swapper/307:41:063
324059190,2phc2sys0-21swapper/307:16:103
25949369990,5cyclictest2595002-21systemd07:10:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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