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2026-08-28 - 07:13
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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 Fri Aug 28, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
282972212147,22sleep20-21swapper/219:07:352
283652201156,32sleep30-21swapper/319:08:283
284742199163,23sleep00-21swapper/019:09:540
283212197159,25sleep10-21swapper/119:07:541
168382620,0sleep10-21swapper/122:33:021
293972560,0sleep00-21swapper/022:05:140
28585991818,0cyclictest28-21ksoftirqd/200:03:542
28585991817,1cyclictest28-21ksoftirqd/223:45:042
28585991717,0cyclictest28-21ksoftirqd/222:20:032
28585991717,0cyclictest28-21ksoftirqd/221:49:252
28585991717,0cyclictest28-21ksoftirqd/221:27:372
28585991716,1cyclictest28-21ksoftirqd/223:10:392
28585991616,0cyclictest28-21ksoftirqd/221:18:462
28585991515,0cyclictest28-21ksoftirqd/223:59:022
28585991515,0cyclictest28-21ksoftirqd/223:53:432
28585991515,0cyclictest28-21ksoftirqd/222:49:132
28585991515,0cyclictest28-21ksoftirqd/222:37:232
28585991515,0cyclictest28-21ksoftirqd/222:33:222
28585991515,0cyclictest28-21ksoftirqd/222:05:382
28585991515,0cyclictest28-21ksoftirqd/200:33:592
28585991515,0cyclictest28-21ksoftirqd/200:19:182
28585991514,1cyclictest28-21ksoftirqd/223:18:472
28594991414,0cyclictest35-21ksoftirqd/323:15:213
28585991414,0cyclictest28-21ksoftirqd/223:43:122
28585991414,0cyclictest28-21ksoftirqd/223:21:402
28585991414,0cyclictest28-21ksoftirqd/223:08:062
28585991414,0cyclictest28-21ksoftirqd/222:53:052
28585991414,0cyclictest28-21ksoftirqd/222:29:522
28585991414,0cyclictest28-21ksoftirqd/222:17:562
28585991414,0cyclictest28-21ksoftirqd/222:10:092
28585991414,0cyclictest28-21ksoftirqd/221:58:162
28585991414,0cyclictest28-21ksoftirqd/221:30:022
28585991414,0cyclictest28-21ksoftirqd/221:12:202
28585991414,0cyclictest28-21ksoftirqd/219:55:172
28585991313,0cyclictest28-21ksoftirqd/223:00:412
28585991313,0cyclictest28-21ksoftirqd/222:57:082
28585991313,0cyclictest28-21ksoftirqd/222:00:352
28585991313,0cyclictest28-21ksoftirqd/221:20:022
28585991313,0cyclictest28-21ksoftirqd/200:36:552
28585991313,0cyclictest28-21ksoftirqd/200:36:552
28585991313,0cyclictest28-21ksoftirqd/200:22:462
28594991211,1cyclictest35-21ksoftirqd/319:20:013
28594991210,1cyclictest35-21ksoftirqd/323:10:003
28594991210,1cyclictest35-21ksoftirqd/322:20:003
28585991212,0cyclictest28-21ksoftirqd/221:52:272
28585991212,0cyclictest28-21ksoftirqd/221:37:202
28585991212,0cyclictest28-21ksoftirqd/200:29:392
28585991212,0cyclictest28-21ksoftirqd/200:11:172
28570991210,1cyclictest9-21ksoftirqd/020:10:010
2859499119,1cyclictest35-21ksoftirqd/322:45:153
2859499119,1cyclictest35-21ksoftirqd/300:10:143
28594991110,1cyclictest35-21ksoftirqd/321:50:003
2858599118,2cyclictest4326-21/usr/sbin/munin19:25:132
28585991111,0cyclictest28-21ksoftirqd/222:40:092
28585991110,1cyclictest28-21ksoftirqd/223:39:512
28585991110,1cyclictest28-21ksoftirqd/221:44:262
28585991110,1cyclictest28-21ksoftirqd/200:08:112
2857099119,1cyclictest9-21ksoftirqd/019:55:000
2857099119,1cyclictest9-21ksoftirqd/019:20:010
2859499109,1cyclictest35-21ksoftirqd/323:45:153
2859499109,1cyclictest35-21ksoftirqd/322:35:003
2859499109,1cyclictest35-21ksoftirqd/322:05:013
2859499109,1cyclictest35-21ksoftirqd/321:29:593
2859499109,1cyclictest35-21ksoftirqd/320:25:003
2859499109,1cyclictest35-21ksoftirqd/320:10:013
2859499109,1cyclictest35-21ksoftirqd/300:15:183
2859499108,1cyclictest35-21ksoftirqd/323:25:133
2859499108,1cyclictest35-21ksoftirqd/323:20:003
2859499105,3cyclictest22033-21diskmemload23:36:263
2858599109,1cyclictest28-21ksoftirqd/223:25:022
2858599109,1cyclictest28-21ksoftirqd/220:30:012
2858599108,1cyclictest28-21ksoftirqd/219:10:142
2858599106,4cyclictest28-21ksoftirqd/223:30:502
28585991010,0cyclictest28-21ksoftirqd/221:01:312
2857099102,4cyclictest15815-21ls00:05:000
285949998,1cyclictest35-21ksoftirqd/323:30:163
285949998,1cyclictest35-21ksoftirqd/322:20:163
285949998,1cyclictest35-21ksoftirqd/322:10:013
285949998,1cyclictest35-21ksoftirqd/321:35:173
285949998,1cyclictest35-21ksoftirqd/320:15:133
285949998,1cyclictest35-21ksoftirqd/319:35:003
285949998,1cyclictest35-21ksoftirqd/300:05:003
285949997,1cyclictest35-21ksoftirqd/321:10:143
285949997,1cyclictest18703-21latency_hist19:54:593
285949990,7cyclictest733-21sshd23:03:103
285859999,0cyclictest28-21ksoftirqd/220:40:122
285859998,1cyclictest28-21ksoftirqd/220:55:192
285859998,1cyclictest28-21ksoftirqd/220:15:012
285859998,1cyclictest28-21ksoftirqd/220:05:162
285859998,1cyclictest28-21ksoftirqd/219:35:002
285859997,1cyclictest28-21ksoftirqd/219:35:002
285859992,7cyclictest28-21ksoftirqd/220:49:122
285859992,0cyclictest28-21ksoftirqd/220:54:572
285859991,8cyclictest271rcuc/219:40:202
285809990,5cyclictest0-21swapper/100:15:211
285709997,1cyclictest9-21ksoftirqd/019:45:000
285949988,0cyclictest35-21ksoftirqd/321:40:183
285949988,0cyclictest35-21ksoftirqd/319:40:133
285949987,1cyclictest35-21ksoftirqd/322:55:133
285949987,1cyclictest35-21ksoftirqd/322:50:153
285949987,1cyclictest35-21ksoftirqd/321:20:143
285949987,1cyclictest35-21ksoftirqd/320:10:143
285949987,1cyclictest35-21ksoftirqd/300:35:013
285949987,1cyclictest35-21ksoftirqd/300:20:223
285949986,1cyclictest11301-21snmpd23:50:273
285949986,1cyclictest11301-21snmpd21:56:583
285949986,1cyclictest11301-21snmpd20:39:483
285949981,4cyclictest32115-21runrttasks00:26:173
285949981,4cyclictest207752sleep321:51:573
285949981,4cyclictest17308-21perf20:59:593
285859988,0cyclictest28-21ksoftirqd/221:05:122
285859988,0cyclictest28-21ksoftirqd/220:35:212
285859988,0cyclictest28-21ksoftirqd/220:20:002
285859988,0cyclictest28-21ksoftirqd/220:10:102
285859988,0cyclictest28-21ksoftirqd/219:20:092
285859988,0cyclictest28-21ksoftirqd/219:15:022
285859988,0cyclictest0-21swapper/220:25:072
285859987,1cyclictest28-21ksoftirqd/219:45:162
285859987,0cyclictest28-21ksoftirqd/220:00:112
285859980,0cyclictest271rcuc/219:50:102
285809988,0cyclictest0-21swapper/120:15:101
285809980,4cyclictest0-21swapper/120:30:211
285709986,1cyclictest9-21ksoftirqd/020:50:000
285709986,1cyclictest26514-1kworker/u9:221:16:010
285709986,1cyclictest11301-21snmpd22:11:120
285709986,1cyclictest11301-21snmpd21:56:020
285709986,1cyclictest11301-21snmpd20:33:060
285709986,1cyclictest11301-21snmpd20:18:140
285709986,1cyclictest11301-21snmpd00:12:190
285709984,0cyclictest22033-21diskmemload21:28:570
285709981,1cyclictest0-21swapper/022:45:160
285709980,7cyclictest17540-21ssh21:47:460
285709980,4cyclictest9060-21ssh23:55:130
285709980,3cyclictest0-21swapper/022:03:470
285949977,0cyclictest35-21ksoftirqd/322:40:143
285949976,1cyclictest35-21ksoftirqd/321:15:153
285949976,1cyclictest35-21ksoftirqd/319:25:123
285949976,1cyclictest18429-21cat21:00:153
285949975,1cyclictest458-21ssh23:40:453
285949975,1cyclictest35-21ksoftirqd/320:40:123
285949975,1cyclictest35-21ksoftirqd/320:00:133
285949975,1cyclictest35-21ksoftirqd/319:10:133
285949975,1cyclictest11301-21snmpd23:12:103
285949975,1cyclictest11301-21snmpd22:36:133
285949975,1cyclictest11301-21snmpd20:51:123
285949975,1cyclictest11301-21snmpd20:31:223
285949975,1cyclictest11301-21snmpd19:23:543
285949972,1cyclictest11119-21ssh23:56:173
285949971,1cyclictest22033-21diskmemload22:25:593
285949970,2cyclictest0-21swapper/321:34:543
285809971,1cyclictest0-21swapper/121:04:541
285809970,6cyclictest0-21swapper/123:59:051
285809970,6cyclictest0-21swapper/123:00:161
285809970,6cyclictest0-21swapper/100:14:421
285809970,4cyclictest0-21swapper/122:45:081
285809970,4cyclictest0-21swapper/100:01:541
285809970,3cyclictest0-21swapper/121:55:121
285809970,1cyclictest0-21swapper/123:45:421
285809970,1cyclictest0-21swapper/121:08:341
285709975,1cyclictest441-21ntp_states22:55:180
285709975,1cyclictest30956-21cat00:25:160
285709975,1cyclictest30502-21users19:10:210
285709975,1cyclictest11301-21snmpd23:35:440
285709975,1cyclictest11301-21snmpd23:18:290
285709975,1cyclictest11301-21snmpd22:16:330
285709975,1cyclictest11301-21snmpd21:54:440
285709975,1cyclictest11301-21snmpd20:51:240
285709975,1cyclictest11301-21snmpd20:38:000
285709975,1cyclictest11301-21snmpd20:10:250
285709975,1cyclictest11301-21snmpd19:33:120
285709975,1cyclictest11301-21snmpd19:20:550
285709974,1cyclictest240-21systemd-journal19:50:000
285709973,0cyclictest0-21swapper/023:50:150
285709972,4cyclictest22033-21diskmemload22:30:130
285709971,1cyclictest0-21swapper/023:01:090
285709970,6cyclictest3650-21ssh00:32:470
285709970,6cyclictest30080-21hddtemp_smartct21:20:150
285709970,6cyclictest2639-21grep23:45:140
285709970,6cyclictest23658-21ssh22:42:300
285709970,6cyclictest22033-21diskmemload23:25:250
285709970,6cyclictest22033-21diskmemload00:35:130
285709970,6cyclictest22033-21diskmemload00:35:120
285709970,6cyclictest11712-21taskset21:40:130
285709970,6cyclictest0-21swapper/022:50:110
285709970,6cyclictest0-21swapper/022:35:150
285709970,6cyclictest0-21swapper/021:30:200
285709970,6cyclictest0-21swapper/021:10:130
285709970,6cyclictest0-21swapper/019:35:140
285709970,3cyclictest22033-21diskmemload00:21:040
285709970,1cyclictest9129-21ssh22:20:430
285709970,1cyclictest6817-21df23:05:140
285709970,1cyclictest31401-21expr23:40:110
285709970,1cyclictest26970-21ssh23:34:140
285709970,1cyclictest22033-21diskmemload23:10:250
285709970,1cyclictest19347-21ssh23:22:100
285709970,1cyclictest10610-21ssh21:37:560
285709970,1cyclictest0-21swapper/000:15:190
285709970,1cyclictest0-21swapper/000:05:100
285949965,1cyclictest35-21ksoftirqd/319:45:133
285949965,1cyclictest35-21ksoftirqd/319:34:593
285949965,1cyclictest35-21ksoftirqd/300:05:113
285949964,1cyclictest35-21ksoftirqd/321:10:013
285949962,0cyclictest22033-21diskmemload00:36:173
285949962,0cyclictest22033-21diskmemload00:36:173
285949960,1cyclictest0-21swapper/322:10:213
285809962,3cyclictest0-21swapper/123:20:181
285809960,6cyclictest0-21swapper/123:28:591
285809960,6cyclictest0-21swapper/122:18:421
285809960,6cyclictest0-21swapper/119:50:151
285809960,6cyclictest0-21swapper/119:15:581
285809960,6cyclictest0-21swapper/100:29:251
285809960,5cyclictest29248-21taskset21:20:101
285809960,5cyclictest0-21swapper/122:05:091
285809960,4cyclictest0-21swapper/122:43:321
285809960,4cyclictest0-21swapper/121:15:131
285809960,4cyclictest0-21swapper/100:07:061
285809960,3cyclictest0-21swapper/121:48:431
285809960,2cyclictest0-21swapper/119:40:111
285809960,2cyclictest0-21swapper/100:36:381
285809960,2cyclictest0-21swapper/100:36:371
285809960,1cyclictest0-21swapper/123:40:441
285809960,1cyclictest0-21swapper/121:10:151
285809960,1cyclictest0-21swapper/120:43:421
285809960,1cyclictest0-21swapper/119:58:041
285709966,0cyclictest12277-21ssh22:25:240
285709965,1cyclictest20797-21cat21:05:170
285709961,1cyclictest0-21swapper/020:40:160
285709960,6cyclictest0-21swapper/020:25:170
285709960,5cyclictest19879-21memory19:55:150
285709960,4cyclictest11301-21snmpd19:26:100
285709960,0cyclictest0-21swapper/020:55:120
285949954,1cyclictest35-21ksoftirqd/320:45:143
285949954,1cyclictest35-21ksoftirqd/320:25:143
285949953,1cyclictest35-21ksoftirqd/319:55:133
285809955,0cyclictest0-21swapper/120:05:211
285809953,1cyclictest0-21swapper/122:10:141
285809951,4cyclictest0-21swapper/121:41:291
285809951,2cyclictest0-21swapper/123:30:121
285809951,2cyclictest0-21swapper/122:57:161
285809950,5cyclictest0-21swapper/123:11:061
285809950,5cyclictest0-21swapper/121:30:181
285809950,5cyclictest0-21swapper/120:59:151
285809950,5cyclictest0-21swapper/119:49:321
285809950,5cyclictest0-21swapper/119:31:281
285809950,5cyclictest0-21swapper/119:20:181
285809950,3cyclictest0-21swapper/123:51:361
285809950,3cyclictest0-21swapper/122:50:051
285809950,3cyclictest0-21swapper/122:37:031
285809950,3cyclictest0-21swapper/121:52:161
285809950,3cyclictest0-21swapper/121:25:161
285809950,3cyclictest0-21swapper/100:31:541
285809950,2cyclictest0-21swapper/123:37:181
285809950,2cyclictest0-21swapper/123:16:421
285809950,1cyclictest0-21swapper/123:05:131
285809950,1cyclictest0-21swapper/122:22:101
285809950,1cyclictest0-21swapper/121:35:191
285809950,1cyclictest0-21swapper/119:10:211
285709951,1cyclictest18719-21sh21:00:180
285709950,0cyclictest0-21swapper/020:00:230
285809944,0cyclictest0-21swapper/120:21:201
285809943,1cyclictest97802sleep119:35:131
285809941,2cyclictest0-21swapper/122:00:081
285809941,2cyclictest0-21swapper/120:50:111
285809941,1cyclictest0-21swapper/122:25:231
285809940,4cyclictest0-21swapper/120:45:151
285809940,4cyclictest0-21swapper/120:29:431
285809940,3cyclictest0-21swapper/120:00:131
285809940,2cyclictest0-21swapper/120:35:201
285809940,2cyclictest0-21swapper/100:20:121
285809940,0cyclictest0-21swapper/119:25:131
285709940,0cyclictest0-21swapper/020:20:080
285809931,1cyclictest0-21swapper/120:10:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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