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2026-08-15 - 17:49
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Sat Aug 15, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
83652215151,21sleep00-21swapper/007:07:440
82712210131,24sleep30-21swapper/307:06:313
82702201159,27sleep20-21swapper/207:06:312
82792199161,25sleep10-21swapper/107:06:371
153702810,0sleep00-21swapper/010:15:110
325272600,0sleep00-21swapper/010:37:540
237552600,1sleep323757-21aten2.4-expect07:40:113
8623992411,13cyclictest0-21swapper/107:10:111
8611992222,0cyclictest9-21ksoftirqd/010:45:210
8611992020,0cyclictest9-21ksoftirqd/011:06:330
8611992020,0cyclictest9-21ksoftirqd/007:55:110
8611992019,1cyclictest9-21ksoftirqd/010:30:140
8611991919,0cyclictest9-21ksoftirqd/009:52:530
8611991817,1cyclictest9-21ksoftirqd/010:10:180
8611991717,0cyclictest9-21ksoftirqd/011:26:030
8611991717,0cyclictest9-21ksoftirqd/011:20:190
8611991717,0cyclictest9-21ksoftirqd/008:00:180
8611991716,1cyclictest9-21ksoftirqd/007:35:120
8611991715,1cyclictest9-21ksoftirqd/008:05:140
8611991616,0cyclictest9-21ksoftirqd/012:23:590
8611991616,0cyclictest9-21ksoftirqd/012:04:440
8611991616,0cyclictest9-21ksoftirqd/011:40:180
8611991616,0cyclictest9-21ksoftirqd/011:00:090
8611991616,0cyclictest9-21ksoftirqd/009:45:360
8611991615,1cyclictest9-21ksoftirqd/008:15:210
8611991515,0cyclictest9-21ksoftirqd/012:38:360
8611991515,0cyclictest9-21ksoftirqd/012:18:210
8611991515,0cyclictest9-21ksoftirqd/010:41:120
8611991515,0cyclictest9-21ksoftirqd/009:16:240
8611991515,0cyclictest9-21ksoftirqd/008:45:130
8611991512,3cyclictest9-21ksoftirqd/009:25:000
8611991414,0cyclictest9-21ksoftirqd/011:17:430
8611991414,0cyclictest9-21ksoftirqd/010:21:300
8611991413,1cyclictest9-21ksoftirqd/009:30:000
8611991413,1cyclictest9-21ksoftirqd/007:50:000
8611991412,1cyclictest9-21ksoftirqd/009:36:200
8611991412,1cyclictest9-21ksoftirqd/009:05:000
8639991313,0cyclictest35-21ksoftirqd/311:15:203
862399130,12cyclictest0-21swapper/111:00:171
8611991313,0cyclictest9-21ksoftirqd/012:11:140
8611991313,0cyclictest9-21ksoftirqd/010:07:290
8611991313,0cyclictest9-21ksoftirqd/007:30:190
8611991313,0cyclictest9-21ksoftirqd/007:10:100
8611991312,1cyclictest9-21ksoftirqd/011:55:140
8611991312,1cyclictest9-21ksoftirqd/011:52:450
8611991311,2cyclictest9-21ksoftirqd/008:50:110
8611991311,1cyclictest9-21ksoftirqd/011:40:010
8639991210,1cyclictest35-21ksoftirqd/307:55:003
863499120,11cyclictest18621-21/usr/sbin/munin11:05:122
861199125,5cyclictest9-21ksoftirqd/008:30:150
8611991212,0cyclictest9-21ksoftirqd/012:05:110
8611991211,1cyclictest9-21ksoftirqd/012:26:190
8611991211,1cyclictest9-21ksoftirqd/011:33:380
8611991211,1cyclictest9-21ksoftirqd/010:25:200
8611991211,1cyclictest9-21ksoftirqd/009:40:130
8611991210,1cyclictest9-21ksoftirqd/010:00:150
8611991210,1cyclictest9-21ksoftirqd/009:30:130
861199119,1cyclictest9-21ksoftirqd/011:45:150
861199119,1cyclictest9-21ksoftirqd/011:10:180
861199119,1cyclictest9-21ksoftirqd/007:50:150
861199119,1cyclictest9-21ksoftirqd/007:20:000
8611991111,0cyclictest9-21ksoftirqd/009:57:320
8611991110,1cyclictest9-21ksoftirqd/012:30:110
8611991110,1cyclictest9-21ksoftirqd/011:00:000
8611991110,1cyclictest9-21ksoftirqd/009:10:130
8611991110,1cyclictest9-21ksoftirqd/009:09:590
8611991110,1cyclictest9-21ksoftirqd/008:35:150
8611991110,1cyclictest9-21ksoftirqd/007:25:120
8611991110,0cyclictest9-21ksoftirqd/008:10:150
863999108,1cyclictest35-21ksoftirqd/307:15:013
863499108,1cyclictest28-21ksoftirqd/210:50:002
863499100,9cyclictest0-21swapper/211:00:172
863499100,9cyclictest0-21swapper/209:15:392
863499100,0cyclictest0-21swapper/210:39:582
861199109,1cyclictest9-21ksoftirqd/008:55:120
861199109,1cyclictest9-21ksoftirqd/008:25:120
861199109,1cyclictest9-21ksoftirqd/008:20:150
861199109,1cyclictest9-21ksoftirqd/007:20:200
861199108,1cyclictest9-21ksoftirqd/008:40:160
861199108,1cyclictest9-21ksoftirqd/008:40:150
861199108,1cyclictest9-21ksoftirqd/007:40:130
8611991010,0cyclictest9-21ksoftirqd/010:50:120
86399999,0cyclictest35-21ksoftirqd/310:15:003
86399998,1cyclictest35-21ksoftirqd/311:34:553
86399998,1cyclictest35-21ksoftirqd/311:00:193
86399998,1cyclictest35-21ksoftirqd/307:40:003
86399997,1cyclictest35-21ksoftirqd/310:15:143
86399997,1cyclictest35-21ksoftirqd/307:50:003
86349998,1cyclictest0-21swapper/211:45:292
86349990,6cyclictest10978-21munin-node08:17:172
86399988,0cyclictest35-21ksoftirqd/312:30:203
86399987,1cyclictest35-21ksoftirqd/310:05:013
86399987,1cyclictest35-21ksoftirqd/309:55:153
86399987,1cyclictest35-21ksoftirqd/308:15:013
86399986,1cyclictest11301-21snmpd11:49:053
86399986,1cyclictest11301-21snmpd09:05:403
86399986,1cyclictest11301-21snmpd08:22:343
86399986,1cyclictest11301-21snmpd08:04:133
86399981,4cyclictest16216-21cpuspeed_turbos09:30:143
86399980,5cyclictest0-21swapper/311:40:133
86349988,0cyclictest0-21swapper/212:19:362
86349986,1cyclictest61650irq/122-eno112:22:382
86349986,1cyclictest61650irq/122-eno111:40:002
86349986,1cyclictest61650irq/122-eno110:40:352
86349986,1cyclictest61650irq/122-eno109:53:122
86349986,1cyclictest11301-21snmpd11:54:172
86349986,1cyclictest11301-21snmpd09:41:252
86349983,2cyclictest240-21systemd-journal10:55:002
86349982,6cyclictest61650irq/122-eno112:35:172
86349980,7cyclictest0-21swapper/211:40:192
86239981,1cyclictest0-21swapper/109:04:211
86239980,4cyclictest0-21swapper/111:56:011
86239980,3cyclictest0-21swapper/110:30:111
86239980,3cyclictest0-21swapper/109:20:111
6636280,1sleep30-21swapper/310:46:203
86399976,1cyclictest35-21ksoftirqd/308:50:153
86399976,1cyclictest35-21ksoftirqd/308:45:003
86399976,1cyclictest35-21ksoftirqd/308:45:003
86399976,1cyclictest11301-21snmpd08:48:383
86399975,1cyclictest8985-21cat10:50:173
86399975,1cyclictest2812-21ssh11:27:553
86399975,1cyclictest24088-21ssh11:58:463
86399975,1cyclictest13639-21ssh10:56:133
86399975,1cyclictest11301-21snmpd12:10:033
86399975,1cyclictest11301-21snmpd12:00:263
86399975,1cyclictest11301-21snmpd11:14:523
86399975,1cyclictest11301-21snmpd09:14:213
86399975,1cyclictest11301-21snmpd08:37:083
86399975,1cyclictest11301-21snmpd08:31:363
86399975,1cyclictest11301-21snmpd07:29:513
86399975,1cyclictest11301-21snmpd07:23:423
86399972,3cyclictest1269-21diskmemload12:05:143
86399972,2cyclictest10276-21/usr/sbin/munin12:25:133
86399972,1cyclictest1269-21diskmemload09:51:523
86399971,4cyclictest0-21swapper/312:20:193
86399971,2cyclictest28005-21pmu-power09:45:203
86399971,1cyclictest1269-21diskmemload10:29:093
86399970,6cyclictest10510-1kworker/u9:209:25:063
86399970,5cyclictest29964-21apt-get10:35:123
86399970,4cyclictest0-21swapper/312:18:583
86399970,3cyclictest0-21swapper/311:08:233
86399970,2cyclictest0-21swapper/311:23:123
86349977,0cyclictest0-21swapper/210:30:182
86349976,1cyclictest61650irq/122-eno111:23:572
86349976,1cyclictest61650irq/122-eno109:59:242
86349976,1cyclictest61650irq/122-eno109:14:212
86349976,1cyclictest61650irq/122-eno107:55:152
86349976,1cyclictest28-21ksoftirqd/211:55:402
86349976,0cyclictest61650irq/122-eno112:10:312
86349976,0cyclictest61650irq/122-eno112:01:042
86349976,0cyclictest61650irq/122-eno110:55:132
86349975,1cyclictest61650irq/122-eno111:25:142
86349975,1cyclictest61650irq/122-eno108:15:002
86349975,1cyclictest28-21ksoftirqd/210:28:342
86349975,1cyclictest11301-21snmpd10:08:292
86349975,1cyclictest11301-21snmpd07:32:272
86349974,1cyclictest294-21systemd-udevd08:07:092
86349973,3cyclictest4841-21apt-get10:00:142
86349971,5cyclictest21315-21/usr/sbin/munin07:35:122
86349970,6cyclictest14780-21ssh09:27:162
86349970,6cyclictest0-21swapper/212:25:092
86349970,4cyclictest240-21systemd-journal08:00:002
86349970,4cyclictest0-21swapper/208:35:172
86349970,1cyclictest0-21swapper/210:20:002
86349970,1cyclictest0-21swapper/207:42:392
86239971,6cyclictest0-21swapper/110:07:361
86239971,5cyclictest0-21swapper/107:26:061
86239970,6cyclictest0-21swapper/108:02:261
86239970,4cyclictest0-21swapper/109:55:191
86239970,3cyclictest0-21swapper/109:50:131
86239970,2cyclictest0-21swapper/109:15:101
11501270,0sleep30-21swapper/310:09:513
86399965,1cyclictest35-21ksoftirqd/308:10:133
86399965,1cyclictest35-21ksoftirqd/307:35:013
86399965,1cyclictest3020-21ssh10:40:563
86399965,1cyclictest28016-21ntpq08:55:183
86399965,0cyclictest35-21ksoftirqd/310:20:173
86399964,1cyclictest11301-21snmpd08:27:443
86399963,2cyclictest3860-21/usr/sbin/munin08:05:153
86399963,1cyclictest1269-21diskmemload11:51:183
86399963,1cyclictest1269-21diskmemload09:18:183
86399961,4cyclictest8677-21/usr/sbin/munin09:20:173
86399961,3cyclictest0-21swapper/311:35:123
86399961,1cyclictest1269-21diskmemload10:30:143
86399961,1cyclictest0-21swapper/309:40:133
86399960,2cyclictest20978-21/usr/sbin/munin09:35:203
86349966,0cyclictest61650irq/122-eno112:30:152
86349966,0cyclictest61650irq/122-eno111:30:202
86349966,0cyclictest61650irq/122-eno111:15:162
86349966,0cyclictest61650irq/122-eno110:10:472
86349966,0cyclictest61650irq/122-eno109:48:002
86349966,0cyclictest61650irq/122-eno109:35:282
86349966,0cyclictest61650irq/122-eno109:21:072
86349966,0cyclictest61650irq/122-eno108:50:052
86349966,0cyclictest61650irq/122-eno108:25:162
86349966,0cyclictest61650irq/122-eno108:20:292
86349966,0cyclictest61650irq/122-eno107:52:492
86349966,0cyclictest61650irq/122-eno107:25:112
86349965,1cyclictest61650irq/122-eno111:12:442
86349965,1cyclictest61650irq/122-eno109:30:042
86349965,1cyclictest61650irq/122-eno109:00:162
86349964,1cyclictest27183-21ntpq07:45:182
86349964,1cyclictest15636-21fschecks_count08:30:142
86349963,2cyclictest13589-21grep07:15:212
86349963,0cyclictest0-21swapper/207:12:332
86349961,4cyclictest0-21swapper/209:05:112
86349961,1cyclictest1269-21diskmemload10:20:132
86349960,6cyclictest0-21swapper/208:49:122
86349960,5cyclictest0-21swapper/212:05:132
86349960,5cyclictest0-21swapper/208:56:352
86349960,3cyclictest0-21swapper/208:40:122
86349960,3cyclictest0-21swapper/208:40:122
86239964,2cyclictest0-21swapper/112:30:111
86239961,4cyclictest1009-21chrt10:40:041
86239960,6cyclictest0-21swapper/112:25:251
86239960,6cyclictest0-21swapper/111:53:061
86239960,6cyclictest0-21swapper/111:43:371
86239960,6cyclictest0-21swapper/109:45:041
86239960,6cyclictest0-21swapper/109:26:071
86239960,6cyclictest0-21swapper/108:31:351
86239960,6cyclictest0-21swapper/108:25:171
86239960,6cyclictest0-21swapper/108:16:561
86239960,6cyclictest0-21swapper/107:50:211
86239960,5cyclictest0-21swapper/111:31:141
86239960,5cyclictest0-21swapper/110:04:021
86239960,5cyclictest0-21swapper/108:58:141
86239960,5cyclictest0-21swapper/108:51:241
86239960,5cyclictest0-21swapper/107:30:071
86239960,4cyclictest0-21swapper/110:35:001
86239960,2cyclictest0-21swapper/109:12:521
86239960,2cyclictest0-21swapper/108:20:211
86239960,1cyclictest0-21swapper/110:47:481
86239960,0cyclictest0-21swapper/107:45:211
86399952,2cyclictest1269-21diskmemload12:35:113
86399952,1cyclictest240-21systemd-journal09:04:593
86399951,1cyclictest0-21swapper/307:55:123
86399950,0cyclictest0-21swapper/307:18:153
86349950,4cyclictest0-21swapper/207:20:132
86239950,5cyclictest0-21swapper/112:20:511
86239950,5cyclictest0-21swapper/112:04:181
86239950,5cyclictest0-21swapper/111:45:081
86239950,5cyclictest0-21swapper/110:50:181
86239950,5cyclictest0-21swapper/110:10:151
86239950,5cyclictest0-21swapper/107:57:161
86239950,5cyclictest0-21swapper/107:24:241
86239950,4cyclictest0-21swapper/110:55:271
86239950,4cyclictest0-21swapper/108:49:321
86239950,4cyclictest0-21swapper/107:16:341
86239950,3cyclictest0-21swapper/110:25:111
86239950,3cyclictest0-21swapper/110:20:431
86239950,3cyclictest0-21swapper/110:16:091
86239950,3cyclictest0-21swapper/109:35:361
86239950,2cyclictest0-21swapper/109:05:201
86239950,1cyclictest0-21swapper/111:07:001
86239950,0cyclictest0-21swapper/112:11:351
86239950,0cyclictest0-21swapper/111:24:171
86239944,0cyclictest0-21swapper/112:05:001
86239944,0cyclictest0-21swapper/109:32:101
86239943,1cyclictest0-21swapper/108:05:151
86239940,3cyclictest0-21swapper/112:15:531
86239940,3cyclictest0-21swapper/108:10:151
86239940,3cyclictest0-21swapper/107:40:001
86239940,2cyclictest0-21swapper/111:25:221
86239940,2cyclictest0-21swapper/109:40:221
86239940,2cyclictest0-21swapper/107:40:111
86239940,1cyclictest0-21swapper/112:35:221
86239940,1cyclictest0-21swapper/111:35:121
86239940,1cyclictest0-21swapper/111:15:541
86239940,1cyclictest0-21swapper/108:35:121
86239940,0cyclictest0-21swapper/111:10:201
86239931,1cyclictest0-21swapper/108:40:131
86239931,1cyclictest0-21swapper/108:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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