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2026-08-31 - 06:53
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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 rack1slot1.osadl.org (updated Mon Aug 31, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79072232156,60sleep00-21swapper/019:06:320
79302208176,20sleep30-21swapper/319:06:513
79032198160,25sleep10-21swapper/119:06:301
78602197158,26sleep20-21swapper/219:05:582
301662750,2sleep121-21ksoftirqd/122:35:191
91062160,0sleep20-21swapper/222:51:032
8244991413,1cyclictest9-21ksoftirqd/022:45:190
824499140,14cyclictest0-21swapper/021:56:130
825699130,12cyclictest0-21swapper/223:41:202
8262991211,1cyclictest35-21ksoftirqd/320:20:003
825699120,11cyclictest0-21swapper/222:10:152
824499123,4cyclictest22458-21latency_hist21:39:590
146052120,0sleep31101-21diskmemload00:31:103
825699119,1cyclictest28-21ksoftirqd/219:55:002
825599110,11cyclictest0-21swapper/123:30:221
824499118,1cyclictest240-21systemd-journal23:34:550
826299109,1cyclictest1101-21diskmemload23:24:333
8262991010,0cyclictest0-21swapper/320:44:313
826299100,6cyclictest1101-21diskmemload23:05:113
825699108,1cyclictest28-21ksoftirqd/220:05:002
825699104,3cyclictest240-21systemd-journal23:30:012
824499108,1cyclictest9-21ksoftirqd/022:05:010
824499108,1cyclictest9-21ksoftirqd/021:00:000
824499104,5cyclictest22543-1kworker/u9:100:05:210
82629998,1cyclictest35-21ksoftirqd/321:40:133
82629993,5cyclictest35-21ksoftirqd/321:47:243
82629991,7cyclictest28573-21kworker/u8:022:41:033
82569990,9cyclictest0-21swapper/223:17:532
82569990,9cyclictest0-21swapper/200:32:082
82569990,7cyclictest26119-21taskset21:45:112
82449998,1cyclictest9-21ksoftirqd/021:25:010
82449998,1cyclictest9-21ksoftirqd/021:25:000
82449998,1cyclictest9-21ksoftirqd/020:20:000
82449997,1cyclictest9-21ksoftirqd/022:30:000
82449997,1cyclictest9-21ksoftirqd/000:00:130
82449995,1cyclictest294-21systemd-udevd22:51:080
82629988,0cyclictest35-21ksoftirqd/323:49:563
82629986,1cyclictest6480-21cat00:20:163
82629986,1cyclictest11301-21snmpd23:38:173
82629986,1cyclictest11301-21snmpd22:53:043
82629986,1cyclictest11301-21snmpd20:53:363
82629986,1cyclictest11301-21snmpd20:35:383
82629986,1cyclictest11301-21snmpd19:36:343
82629982,2cyclictest31413-21apt-get21:05:123
82629981,6cyclictest1101-21diskmemload22:09:293
82569986,1cyclictest61650irq/122-eno121:15:152
82569986,1cyclictest28-21ksoftirqd/219:40:012
82569986,1cyclictest11301-21snmpd23:50:122
82569986,1cyclictest11301-21snmpd20:35:332
82569984,2cyclictest240-21systemd-journal22:00:012
82569983,3cyclictest29289-21unixbench_singl00:05:232
82569983,2cyclictest0-21swapper/222:39:102
82569981,6cyclictest0-21swapper/221:24:302
82569981,6cyclictest0-21swapper/221:24:292
82569980,7cyclictest0-21swapper/200:00:502
82559980,4cyclictest0-21swapper/122:25:111
82559980,4cyclictest0-21swapper/121:50:221
82449988,0cyclictest9-21ksoftirqd/000:20:200
82449988,0cyclictest9-21ksoftirqd/000:15:010
82449987,1cyclictest9-21ksoftirqd/021:25:160
82449987,1cyclictest9-21ksoftirqd/000:30:140
82449986,1cyclictest9-21ksoftirqd/023:45:010
82449986,1cyclictest9-21ksoftirqd/022:20:140
82449986,1cyclictest9-21ksoftirqd/019:40:160
82449986,1cyclictest11301-21snmpd19:39:590
82449985,1cyclictest294-21systemd-udevd23:47:070
82449985,0cyclictest1101-21diskmemload00:15:350
82449984,3cyclictest9-21ksoftirqd/022:30:240
82449981,6cyclictest30074-21ssh22:35:180
82449980,7cyclictest19806-21ssh23:05:590
82449980,7cyclictest10435-21ssh22:08:290
82449980,4cyclictest0-21swapper/000:25:500
9220270,0sleep20-21swapper/223:38:502
82629976,1cyclictest35-21ksoftirqd/321:35:003
82629976,1cyclictest0-21swapper/300:38:283
82629975,1cyclictest19126-21ssh21:35:113
82629975,1cyclictest11301-21snmpd23:51:003
82629975,1cyclictest11301-21snmpd23:14:343
82629975,1cyclictest11301-21snmpd22:30:373
82629975,1cyclictest11301-21snmpd22:14:233
82629975,1cyclictest11301-21snmpd21:03:243
82629975,1cyclictest11301-21snmpd20:21:413
82629975,1cyclictest11301-21snmpd19:23:333
82629975,1cyclictest11301-21snmpd19:17:403
82629975,1cyclictest1101-21diskmemload23:04:343
82629975,0cyclictest1101-21diskmemload00:05:063
82629972,1cyclictest0-21swapper/322:35:183
82629971,4cyclictest32259-21chrt21:53:093
82629971,3cyclictest19226-21cstates19:30:143
82629971,3cyclictest19226-21cstates19:30:133
82629971,2cyclictest0-21swapper/322:57:263
82629970,4cyclictest0-21swapper/322:48:213
82569976,1cyclictest61650irq/122-eno123:57:352
82569976,1cyclictest61650irq/122-eno123:00:012
82569976,1cyclictest61650irq/122-eno122:55:142
82569976,1cyclictest61650irq/122-eno122:42:152
82569976,1cyclictest61650irq/122-eno120:30:202
82569976,1cyclictest61650irq/122-eno100:38:112
82569976,1cyclictest61650irq/122-eno100:15:152
82569976,1cyclictest16564-21ssh23:49:162
82569975,1cyclictest8761-21ntpq20:15:182
82569975,1cyclictest61650irq/122-eno122:46:242
82569975,1cyclictest61650irq/122-eno122:25:162
82569975,1cyclictest61650irq/122-eno122:00:192
82569975,1cyclictest61650irq/122-eno100:29:152
82569975,1cyclictest61650irq/122-eno100:10:222
82569975,1cyclictest29621-21ssh21:50:102
82569975,1cyclictest22236-21cat23:10:162
82569975,1cyclictest11301-21snmpd23:06:402
82569974,1cyclictest548-21systemd-logind21:40:202
82569971,4cyclictest2890-21apt-get20:05:112
82569971,3cyclictest0-21swapper/219:25:132
82569970,6cyclictest8551-21ssh00:24:132
82569970,6cyclictest20299-21ntpq21:35:182
82569970,6cyclictest0-21swapper/221:25:012
82569970,6cyclictest0-21swapper/220:28:562
82569970,6cyclictest0-21swapper/219:13:032
82559970,6cyclictest0-21swapper/119:25:151
82559970,1cyclictest0-21swapper/123:00:121
82449977,0cyclictest9-21ksoftirqd/023:55:130
82449977,0cyclictest9-21ksoftirqd/022:45:010
82449977,0cyclictest9-21ksoftirqd/021:30:150
82449976,1cyclictest9-21ksoftirqd/020:30:140
82449976,1cyclictest9-21ksoftirqd/019:15:000
82449976,1cyclictest11301-21snmpd20:01:400
82449975,1cyclictest9-21ksoftirqd/021:15:130
82449975,1cyclictest13463-21ssh22:11:560
82449975,1cyclictest11301-21snmpd20:50:330
82449974,1cyclictest294-21systemd-udevd19:27:080
82449974,1cyclictest240-21systemd-journal23:27:080
82449973,2cyclictest548-21systemd-logind23:10:200
82449973,2cyclictest11301-21snmpd23:00:550
82449972,4cyclictest0-21swapper/023:20:520
82449972,1cyclictest24820-21/usr/sbin/munin23:15:140
82449970,7cyclictest8329-21ssh23:35:540
82449970,7cyclictest1101-21diskmemload21:40:200
82449970,6cyclictest2543-21ssh21:10:180
82449970,6cyclictest16603-21ssh00:35:130
82449970,6cyclictest1101-21diskmemload23:51:100
82449970,6cyclictest0-21swapper/020:05:200
82449970,6cyclictest0-21swapper/019:55:120
82449970,1cyclictest32021-21ssh21:52:210
82449970,1cyclictest21996-21cat20:45:130
82449970,1cyclictest18151-21cat22:19:590
82449970,1cyclictest0-21swapper/022:55:200
82449970,1cyclictest0-21swapper/021:45:150
82449970,1cyclictest0-21swapper/020:44:100
82629965,1cyclictest3279-21ssh21:11:053
82629965,1cyclictest25231-21ntpq00:00:193
82629965,1cyclictest15561-21ssh22:15:163
82629965,1cyclictest11510-21ssh21:24:253
82629965,1cyclictest11510-21ssh21:24:243
82629965,1cyclictest11301-21snmpd19:43:173
82629965,1cyclictest0-21swapper/319:50:173
82629964,1cyclictest9865-21ssh23:40:063
82629964,1cyclictest15572-21cat20:30:163
82629964,1cyclictest11301-21snmpd23:30:183
82629964,1cyclictest11301-21snmpd22:01:083
82629964,1cyclictest11301-21snmpd21:26:463
82629964,1cyclictest11301-21snmpd00:14:453
82629964,1cyclictest1-21systemd20:57:083
82629961,3cyclictest1101-21diskmemload23:25:543
82629961,3cyclictest1101-21diskmemload22:26:393
82629961,3cyclictest1101-21diskmemload22:21:233
82629961,3cyclictest1101-21diskmemload00:15:143
82629961,2cyclictest0-21swapper/323:16:573
82629960,1cyclictest0-21swapper/320:10:113
82629960,0cyclictest0-21swapper/323:56:123
82629960,0cyclictest0-21swapper/321:16:533
82569966,0cyclictest61650irq/122-eno123:30:172
82569966,0cyclictest61650irq/122-eno122:30:332
82569966,0cyclictest61650irq/122-eno122:20:222
82569966,0cyclictest61650irq/122-eno122:15:542
82569966,0cyclictest61650irq/122-eno121:30:072
82569966,0cyclictest61650irq/122-eno121:11:392
82569966,0cyclictest61650irq/122-eno121:08:142
82569966,0cyclictest61650irq/122-eno121:01:102
82569966,0cyclictest61650irq/122-eno120:45:192
82569966,0cyclictest61650irq/122-eno120:40:112
82569966,0cyclictest61650irq/122-eno119:55:122
82569966,0cyclictest61650irq/122-eno119:47:382
82569966,0cyclictest61650irq/122-eno119:30:132
82569966,0cyclictest61650irq/122-eno119:30:122
82569966,0cyclictest0-21swapper/220:52:112
82569965,1cyclictest61650irq/122-eno123:20:142
82569965,1cyclictest61650irq/122-eno122:06:302
82569965,1cyclictest61650irq/122-eno119:20:152
82569964,1cyclictest6428-21open_inodes20:10:172
82569960,5cyclictest0-21swapper/220:20:302
82559961,3cyclictest0-21swapper/120:45:211
82559961,1cyclictest0-21swapper/122:05:191
82559960,6cyclictest0-21swapper/123:53:551
82559960,6cyclictest0-21swapper/123:23:231
82559960,6cyclictest0-21swapper/123:15:591
82559960,6cyclictest0-21swapper/123:14:121
82559960,6cyclictest0-21swapper/123:05:161
82559960,6cyclictest0-21swapper/122:03:581
82559960,6cyclictest0-21swapper/121:01:401
82559960,6cyclictest0-21swapper/120:30:351
82559960,6cyclictest0-21swapper/119:57:111
82559960,6cyclictest0-21swapper/119:21:331
82559960,5cyclictest0-21swapper/123:47:151
82559960,5cyclictest0-21swapper/100:27:191
82559960,4cyclictest0-21swapper/122:10:181
82559960,4cyclictest0-21swapper/100:32:431
82559960,4cyclictest0-21swapper/100:17:041
82559960,3cyclictest0-21swapper/122:41:131
82559960,3cyclictest0-21swapper/121:40:251
82559960,3cyclictest0-21swapper/121:26:551
82559960,1cyclictest0-21swapper/121:35:081
82559960,1cyclictest0-21swapper/121:22:281
82559960,1cyclictest0-21swapper/121:22:281
82559960,1cyclictest0-21swapper/120:38:411
82559960,0cyclictest0-21swapper/119:42:171
82449965,1cyclictest9-21ksoftirqd/021:00:000
82449964,1cyclictest26466-21tune2fs19:45:130
82449963,1cyclictest548-21systemd-logind20:24:080
82449960,6cyclictest0-21swapper/021:05:180
82449960,6cyclictest0-21swapper/020:25:110
82449960,6cyclictest0-21swapper/019:50:100
82449960,6cyclictest0-21swapper/019:34:150
82449960,6cyclictest0-21swapper/019:34:150
82449960,2cyclictest0-21swapper/020:39:250
82449960,0cyclictest0-21swapper/020:10:170
82449960,0cyclictest0-21swapper/019:20:130
17241260,1sleep10-21swapper/122:17:551
82629954,1cyclictest35-21ksoftirqd/320:27:163
82629953,1cyclictest3955-21cat20:05:173
82629953,1cyclictest1101-21diskmemload21:55:253
82629951,3cyclictest1101-21diskmemload00:25:223
82629951,2cyclictest0-21swapper/320:00:193
82629950,2cyclictest8460-21apt19:10:123
82629950,1cyclictest0-21swapper/319:55:153
82629950,1cyclictest0-21swapper/319:45:203
82569955,0cyclictest61650irq/122-eno119:15:112
82569950,1cyclictest23522-21/usr/sbin/munin19:40:202
82569950,1cyclictest0-21swapper/220:55:142
82559955,0cyclictest0-21swapper/123:40:141
82559951,2cyclictest0-21swapper/122:30:151
82559950,5cyclictest0-21swapper/121:30:161
82559950,5cyclictest0-21swapper/121:17:201
82559950,5cyclictest0-21swapper/121:05:581
82559950,5cyclictest0-21swapper/120:28:031
82559950,5cyclictest0-21swapper/120:24:421
82559950,5cyclictest0-21swapper/119:50:191
82559950,5cyclictest0-21swapper/119:45:111
82559950,5cyclictest0-21swapper/119:30:161
82559950,5cyclictest0-21swapper/119:30:151
82559950,5cyclictest0-21swapper/100:24:431
82559950,3cyclictest0-21swapper/123:38:241
82559950,3cyclictest0-21swapper/122:57:501
82559950,3cyclictest0-21swapper/121:55:381
82559950,2cyclictest0-21swapper/123:55:231
82559950,1cyclictest0-21swapper/123:25:061
82559950,1cyclictest0-21swapper/100:10:131
82559950,1cyclictest0-21swapper/100:06:541
82559950,0cyclictest0-21swapper/119:35:581
82449954,1cyclictest8190-21latency_hist19:10:010
82629941,2cyclictest22008-21cpuspeed_turbos20:45:133
82629941,2cyclictest16443-21apt-get19:25:123
82559944,0cyclictest0-21swapper/120:08:301
82559941,1cyclictest0-21swapper/121:10:131
82559941,1cyclictest0-21swapper/120:50:111
82559940,4cyclictest0-21swapper/122:50:191
82559940,4cyclictest0-21swapper/122:45:191
82559940,4cyclictest0-21swapper/120:15:351
82559940,4cyclictest0-21swapper/119:15:001
82559940,3cyclictest0-21swapper/120:55:131
82559940,3cyclictest0-21swapper/100:35:091
82559940,3cyclictest0-21swapper/100:00:131
82559940,2cyclictest0-21swapper/122:20:181
82559940,2cyclictest0-21swapper/119:15:011
82559940,1cyclictest0-21swapper/121:45:151
82559940,0cyclictest0-21swapper/120:10:121
82559930,2cyclictest0-21swapper/120:40:111
82559930,2cyclictest0-21swapper/120:00:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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