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2026-06-01 - 01:36
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Mon Jun 01, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
698824660,8sleep00-21swapper/019:05:220
76192208153,21sleep10-21swapper/119:08:011
75782200162,24sleep20-21swapper/219:07:312
74452200160,26sleep30-21swapper/319:05:463
218422540,0sleep10-21swapper/121:35:191
7866991918,1cyclictest28-21ksoftirqd/222:27:572
7866991717,0cyclictest28-21ksoftirqd/222:00:132
7866991717,0cyclictest28-21ksoftirqd/221:49:152
7866991716,1cyclictest28-21ksoftirqd/223:24:042
7866991716,1cyclictest28-21ksoftirqd/223:06:472
7866991716,1cyclictest28-21ksoftirqd/222:32:362
7866991616,0cyclictest28-21ksoftirqd/222:46:182
7866991616,0cyclictest28-21ksoftirqd/221:42:492
7866991616,0cyclictest28-21ksoftirqd/200:32:512
7866991616,0cyclictest28-21ksoftirqd/200:14:512
7866991615,1cyclictest28-21ksoftirqd/222:05:022
7866991615,1cyclictest28-21ksoftirqd/221:16:412
7866991515,0cyclictest28-21ksoftirqd/223:56:042
7866991515,0cyclictest28-21ksoftirqd/223:45:352
7866991515,0cyclictest28-21ksoftirqd/223:43:502
7866991515,0cyclictest28-21ksoftirqd/223:30:532
7866991515,0cyclictest28-21ksoftirqd/222:42:482
7866991515,0cyclictest28-21ksoftirqd/221:30:552
7866991515,0cyclictest28-21ksoftirqd/219:40:112
7866991514,1cyclictest28-21ksoftirqd/200:04:212
209782150,0sleep10-21swapper/122:19:251
786699146,0cyclictest28-21ksoftirqd/200:25:372
7866991414,0cyclictest28-21ksoftirqd/223:29:422
7866991414,0cyclictest28-21ksoftirqd/222:20:592
7866991414,0cyclictest28-21ksoftirqd/221:57:082
7866991414,0cyclictest28-21ksoftirqd/221:53:422
7866991414,0cyclictest28-21ksoftirqd/200:35:292
7875991312,1cyclictest35-21ksoftirqd/320:20:003
786699139,3cyclictest28-21ksoftirqd/222:54:172
7866991313,0cyclictest28-21ksoftirqd/223:37:442
7866991313,0cyclictest28-21ksoftirqd/222:56:552
7866991312,1cyclictest28-21ksoftirqd/223:17:022
7853991312,1cyclictest9-21ksoftirqd/022:45:200
7875991212,0cyclictest0-21swapper/321:26:013
7866991212,0cyclictest28-21ksoftirqd/223:51:392
7866991212,0cyclictest28-21ksoftirqd/221:37:292
7866991211,1cyclictest28-21ksoftirqd/223:10:202
7853991210,1cyclictest9-21ksoftirqd/023:50:010
7853991210,1cyclictest9-21ksoftirqd/022:20:000
786699118,1cyclictest28-21ksoftirqd/222:35:432
7866991111,0cyclictest28-21ksoftirqd/222:15:392
7866991111,0cyclictest28-21ksoftirqd/222:10:022
7866991111,0cyclictest28-21ksoftirqd/200:07:362
7866991110,1cyclictest28-21ksoftirqd/223:00:002
7866991110,1cyclictest28-21ksoftirqd/200:22:392
785399119,1cyclictest9-21ksoftirqd/023:55:000
785399119,1cyclictest9-21ksoftirqd/023:00:000
785399119,1cyclictest9-21ksoftirqd/022:05:150
785399119,1cyclictest9-21ksoftirqd/021:10:000
785399112,4cyclictest20359-21cat19:35:000
7853991110,1cyclictest9-21ksoftirqd/023:45:000
7853991110,1cyclictest9-21ksoftirqd/022:00:000
7853991110,1cyclictest9-21ksoftirqd/020:40:000
7853991110,1cyclictest9-21ksoftirqd/000:35:000
787599100,4cyclictest0-21swapper/323:05:113
786699109,1cyclictest28-21ksoftirqd/221:27:182
786699109,1cyclictest28-21ksoftirqd/221:10:192
786699109,1cyclictest28-21ksoftirqd/220:05:022
786699109,1cyclictest28-21ksoftirqd/220:00:232
786699109,1cyclictest28-21ksoftirqd/219:55:172
786699109,1cyclictest28-21ksoftirqd/200:15:012
786699103,7cyclictest28-21ksoftirqd/221:06:562
786699103,7cyclictest28-21ksoftirqd/220:33:482
786699102,8cyclictest28-21ksoftirqd/219:49:302
7866991010,0cyclictest28-21ksoftirqd/221:20:062
785399109,1cyclictest9-21ksoftirqd/023:30:140
785399109,1cyclictest9-21ksoftirqd/023:20:000
785399109,1cyclictest9-21ksoftirqd/022:55:000
785399109,1cyclictest9-21ksoftirqd/019:50:000
785399108,1cyclictest9-21ksoftirqd/021:50:000
78759998,1cyclictest35-21ksoftirqd/319:51:353
78759990,7cyclictest0-21swapper/322:56:083
78759990,5cyclictest0-21swapper/320:35:103
78669999,0cyclictest28-21ksoftirqd/220:35:282
78669999,0cyclictest28-21ksoftirqd/219:29:132
78669997,1cyclictest28-21ksoftirqd/220:20:152
78669992,7cyclictest28-21ksoftirqd/219:11:562
78669991,8cyclictest28-21ksoftirqd/219:33:482
78539999,0cyclictest9-21ksoftirqd/000:25:150
78539999,0cyclictest9-21ksoftirqd/000:15:180
78539998,1cyclictest9-21ksoftirqd/023:00:000
78539998,1cyclictest9-21ksoftirqd/022:45:000
78539998,1cyclictest9-21ksoftirqd/022:35:000
78539998,1cyclictest9-21ksoftirqd/021:15:000
78539998,1cyclictest9-21ksoftirqd/021:00:010
78539998,1cyclictest9-21ksoftirqd/019:15:010
78539998,1cyclictest14101-21rm22:10:130
78539997,1cyclictest9-21ksoftirqd/023:55:140
78539997,1cyclictest9-21ksoftirqd/023:10:000
78539997,1cyclictest9-21ksoftirqd/022:20:140
78539997,1cyclictest9-21ksoftirqd/020:20:000
78539995,3cyclictest0-21swapper/021:30:190
78759986,1cyclictest35-21ksoftirqd/321:32:003
78759986,1cyclictest35-21ksoftirqd/300:35:133
78759986,1cyclictest1029-21snmpd23:28:593
78759986,1cyclictest1029-21snmpd21:12:233
78759986,1cyclictest1029-21snmpd20:50:313
78759986,1cyclictest1029-21snmpd19:56:193
78759986,1cyclictest1029-21snmpd19:43:213
78759986,1cyclictest1029-21snmpd00:31:013
78759986,1cyclictest1029-21snmpd00:21:003
78759982,3cyclictest683-21diskmemload22:05:113
78759981,6cyclictest561-21nscd00:19:273
78759980,3cyclictest0-21swapper/322:40:103
78669988,0cyclictest28-21ksoftirqd/221:00:132
78669988,0cyclictest28-21ksoftirqd/219:35:182
78669987,1cyclictest28-21ksoftirqd/220:55:112
78669987,1cyclictest28-21ksoftirqd/220:10:132
78669986,1cyclictest7783-21cstates20:15:132
78669982,5cyclictest19883-21fschecks_time20:40:152
78669980,8cyclictest28-21ksoftirqd/220:53:062
78669980,8cyclictest28-21ksoftirqd/220:45:102
78669980,8cyclictest28-21ksoftirqd/220:25:042
78669980,8cyclictest28-21ksoftirqd/219:22:462
78669980,8cyclictest28-21ksoftirqd/219:15:172
78669980,0cyclictest28-21ksoftirqd/219:50:152
78589981,3cyclictest0-21swapper/119:20:131
78589980,4cyclictest0-21swapper/121:40:121
78539987,1cyclictest9-21ksoftirqd/022:25:000
78539987,1cyclictest9-21ksoftirqd/021:00:000
78539987,1cyclictest9-21ksoftirqd/020:50:000
78539987,1cyclictest9-21ksoftirqd/020:30:010
78539987,1cyclictest9-21ksoftirqd/019:35:120
78539987,1cyclictest9-21ksoftirqd/000:40:000
78539986,1cyclictest9-21ksoftirqd/020:25:000
78539986,1cyclictest9-21ksoftirqd/019:45:000
78539981,6cyclictest9098-21ssh21:20:130
78539980,4cyclictest23871-21perf21:40:010
78539980,1cyclictest3962-21ssh23:22:460
78759977,0cyclictest35-21ksoftirqd/319:20:003
78759976,1cyclictest35-21ksoftirqd/300:05:003
78759976,1cyclictest1029-21snmpd23:04:263
78759975,1cyclictest4879-21ssh21:15:153
78759975,1cyclictest30699-21ssh22:30:263
78759975,1cyclictest3019-21sshd00:07:363
78759975,1cyclictest11857-21ssh21:23:523
78759975,1cyclictest1029-21snmpd23:50:183
78759975,1cyclictest1029-21snmpd23:14:433
78759975,1cyclictest1029-21snmpd22:54:403
78759975,1cyclictest1029-21snmpd22:11:133
78759975,1cyclictest1029-21snmpd21:56:443
78759975,1cyclictest1029-21snmpd21:03:283
78759975,1cyclictest1029-21snmpd20:49:103
78759975,1cyclictest1029-21snmpd20:44:433
78759975,1cyclictest1029-21snmpd19:39:053
78759974,2cyclictest27754-21ssh22:27:383
78759970,4cyclictest240-21systemd-journal23:50:003
78759970,3cyclictest0-21swapper/321:51:023
78759970,1cyclictest240-21systemd-journal19:29:553
78759970,0cyclictest0-21swapper/323:21:043
78589971,6cyclictest0-21swapper/120:20:211
78589971,5cyclictest0-21swapper/123:15:101
78589971,3cyclictest0-21swapper/122:44:251
78589970,6cyclictest0-21swapper/123:31:561
78589970,5cyclictest0-21swapper/122:11:571
78589970,4cyclictest0-21swapper/121:05:171
78589970,1cyclictest0-21swapper/121:50:441
78539976,1cyclictest9-21ksoftirqd/020:10:150
78539976,1cyclictest9-21ksoftirqd/019:50:170
78539976,1cyclictest9-21ksoftirqd/000:10:100
78539976,1cyclictest16725-21cat19:25:180
78539976,1cyclictest15474-21ssh21:28:010
78539976,1cyclictest1029-21snmpd23:26:020
78539976,1cyclictest1029-21snmpd19:21:290
78539975,1cyclictest9-21ksoftirqd/021:15:170
78539975,1cyclictest9-21ksoftirqd/020:50:000
78539975,1cyclictest12804-21ssh23:35:130
78539973,4cyclictest31690-21/usr/sbin/munin21:50:130
78539971,6cyclictest3045-21ssh22:38:280
78539970,6cyclictest683-21diskmemload23:11:300
78539970,6cyclictest683-21diskmemload22:00:200
78539970,5cyclictest0-21swapper/020:05:140
78539970,1cyclictest3404-21ssh00:08:430
78539970,1cyclictest0-21swapper/020:30:170
78759965,1cyclictest35-21ksoftirqd/323:40:143
78759965,1cyclictest35-21ksoftirqd/319:34:133
78759965,1cyclictest32155-21ssh23:16:213
78759965,1cyclictest29839-21ssh21:46:033
78759965,1cyclictest29294-21ssh23:56:133
78759965,1cyclictest20616-21ssh22:18:213
78759965,1cyclictest17991-21ssh00:28:013
78759964,1cyclictest7542-21ssh22:45:013
78759964,1cyclictest35-21ksoftirqd/320:05:553
78759964,1cyclictest1029-21snmpd23:35:513
78759964,1cyclictest1029-21snmpd23:31:173
78759964,1cyclictest1029-21snmpd20:33:173
78759964,1cyclictest1029-21snmpd20:27:543
78759964,1cyclictest1029-21snmpd19:21:383
78759963,1cyclictest240-21systemd-journal20:55:003
78759963,1cyclictest22688-21ntp_states22:20:183
78759961,3cyclictest32728-21aten_r1power_vo22:35:133
78759961,0cyclictest683-21diskmemload21:43:173
78759960,6cyclictest6737-21ssh00:12:393
78759960,4cyclictest0-21swapper/322:00:223
78589961,3cyclictest0-21swapper/123:55:171
78589961,3cyclictest0-21swapper/121:35:001
78589961,2cyclictest0-21swapper/123:50:231
78589960,6cyclictest0-21swapper/120:41:021
78589960,6cyclictest0-21swapper/119:56:141
78589960,6cyclictest0-21swapper/119:52:301
78589960,6cyclictest0-21swapper/119:40:441
78589960,6cyclictest0-21swapper/100:02:481
78589960,5cyclictest0-21swapper/123:12:191
78589960,5cyclictest0-21swapper/120:50:161
78589960,4cyclictest0-21swapper/121:58:051
78589960,3cyclictest0-21swapper/123:35:031
78589960,3cyclictest0-21swapper/122:36:541
78589960,3cyclictest0-21swapper/121:20:161
78589960,2cyclictest0-21swapper/123:45:141
78589960,2cyclictest0-21swapper/100:31:061
78589960,1cyclictest0-21swapper/121:10:131
78589960,1cyclictest0-21swapper/119:19:331
78589960,1cyclictest0-21swapper/100:25:071
78539966,0cyclictest9-21ksoftirqd/000:00:230
78539964,1cyclictest9-21ksoftirqd/019:55:000
78539964,1cyclictest8861-21hddtemp_smartct19:10:120
78539960,6cyclictest0-21swapper/021:40:020
78539960,6cyclictest0-21swapper/020:40:360
78539960,1cyclictest1721-21sed20:00:220
78539960,0cyclictest0-21swapper/000:20:060
78759955,0cyclictest10412-21kworker/3:219:45:023
78759955,0cyclictest0-21swapper/320:20:243
78759954,1cyclictest8946-21cat19:10:133
78759953,1cyclictest1029-21snmpd21:35:083
78759953,1cyclictest1029-21snmpd20:10:523
78759950,1cyclictest294-21systemd-udevd21:09:083
78589955,0cyclictest0-21swapper/122:32:551
78589951,4cyclictest0-21swapper/100:36:071
78589951,2cyclictest0-21swapper/119:30:111
78589951,1cyclictest0-21swapper/100:20:161
78589950,5cyclictest0-21swapper/120:17:491
78589950,5cyclictest0-21swapper/120:07:251
78589950,5cyclictest0-21swapper/100:17:251
78589950,4cyclictest0-21swapper/123:20:161
78589950,3cyclictest0-21swapper/123:25:191
78589950,3cyclictest0-21swapper/123:00:241
78589950,3cyclictest0-21swapper/122:55:131
78589950,3cyclictest0-21swapper/122:46:401
78589950,3cyclictest0-21swapper/100:10:051
78589950,2cyclictest0-21swapper/123:06:291
78589950,2cyclictest0-21swapper/122:21:221
78589950,2cyclictest0-21swapper/122:07:171
78589950,2cyclictest0-21swapper/122:04:231
78589950,2cyclictest0-21swapper/121:47:011
78589950,2cyclictest0-21swapper/121:25:101
78589950,2cyclictest0-21swapper/121:19:351
78589950,2cyclictest0-21swapper/100:09:491
78589950,1cyclictest0-21swapper/120:00:151
78589950,0cyclictest0-21swapper/123:42:321
78589950,0cyclictest0-21swapper/122:50:181
78589950,0cyclictest0-21swapper/122:27:221
78589950,0cyclictest0-21swapper/120:30:201
78759942,1cyclictest32549-21/usr/sbin/munin20:00:143
78589944,0cyclictest0-21swapper/120:46:441
78589944,0cyclictest0-21swapper/120:36:401
78589940,4cyclictest0-21swapper/119:35:181
78589940,3cyclictest0-21swapper/120:27:331
29501240,0sleep10-21swapper/121:00:161
78589931,1cyclictest0-21swapper/120:10:161
78589930,3cyclictest0-21swapper/119:10:091
78589930,2cyclictest0-21swapper/119:25:121
78589930,1cyclictest0-21swapper/120:55:111
78589930,1cyclictest0-21swapper/119:45:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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