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2026-07-29 - 20:16
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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 Wed Jul 29, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25722212157,42sleep30-21swapper/307:06:143
26712204148,23sleep00-21swapper/007:07:320
25382204149,20sleep10-21swapper/107:05:481
25342203169,22sleep20-21swapper/207:05:442
8482740,0sleep10-21swapper/109:15:201
2967991919,0cyclictest28-21ksoftirqd/212:28:022
2967991919,0cyclictest28-21ksoftirqd/212:02:192
2967991918,1cyclictest28-21ksoftirqd/211:32:012
2967991818,0cyclictest28-21ksoftirqd/210:07:482
2967991817,1cyclictest28-21ksoftirqd/211:00:212
136572180,0sleep10-21swapper/111:05:181
2967991717,0cyclictest28-21ksoftirqd/212:09:422
2967991717,0cyclictest28-21ksoftirqd/211:28:002
2967991717,0cyclictest28-21ksoftirqd/210:51:232
2967991717,0cyclictest28-21ksoftirqd/209:55:092
2967991717,0cyclictest28-21ksoftirqd/209:52:302
2967991717,0cyclictest28-21ksoftirqd/209:52:302
2967991716,1cyclictest28-21ksoftirqd/210:59:122
2967991616,0cyclictest28-21ksoftirqd/212:21:552
2967991616,0cyclictest28-21ksoftirqd/211:07:232
2967991616,0cyclictest28-21ksoftirqd/210:47:162
294599169,6cyclictest9-21ksoftirqd/011:35:230
2967991515,0cyclictest28-21ksoftirqd/212:17:542
2967991515,0cyclictest28-21ksoftirqd/212:11:242
2967991515,0cyclictest28-21ksoftirqd/211:57:522
2967991515,0cyclictest28-21ksoftirqd/211:50:382
2967991515,0cyclictest28-21ksoftirqd/211:14:312
2967991515,0cyclictest28-21ksoftirqd/210:40:552
2967991515,0cyclictest28-21ksoftirqd/210:40:552
2967991515,0cyclictest28-21ksoftirqd/209:47:062
2967991515,0cyclictest28-21ksoftirqd/209:05:122
2967991515,0cyclictest28-21ksoftirqd/208:30:182
2967991414,0cyclictest28-21ksoftirqd/211:46:372
2967991414,0cyclictest28-21ksoftirqd/211:41:532
2967991414,0cyclictest28-21ksoftirqd/211:21:092
2967991414,0cyclictest28-21ksoftirqd/211:21:092
2967991414,0cyclictest28-21ksoftirqd/211:15:462
2967991414,0cyclictest28-21ksoftirqd/210:36:302
2967991414,0cyclictest28-21ksoftirqd/210:27:052
2967991414,0cyclictest28-21ksoftirqd/210:24:422
2967991414,0cyclictest28-21ksoftirqd/210:03:522
2967991414,0cyclictest28-21ksoftirqd/209:40:252
2967991414,0cyclictest28-21ksoftirqd/209:37:082
2967991413,1cyclictest28-21ksoftirqd/209:34:242
2967991413,1cyclictest28-21ksoftirqd/208:25:122
2967991410,2cyclictest28-21ksoftirqd/210:18:432
294599144,5cyclictest31266-21sed10:00:010
2945991412,1cyclictest9-21ksoftirqd/011:50:150
48172130,0sleep30-21swapper/310:54:113
2967991313,0cyclictest28-21ksoftirqd/212:35:012
2967991313,0cyclictest28-21ksoftirqd/212:30:532
2967991313,0cyclictest28-21ksoftirqd/210:30:432
2967991313,0cyclictest28-21ksoftirqd/209:29:202
2967991313,0cyclictest28-21ksoftirqd/209:22:592
2967991311,1cyclictest28-21ksoftirqd/209:16:122
2967991311,1cyclictest28-21ksoftirqd/207:35:002
2945991313,0cyclictest9-21ksoftirqd/010:35:160
2945991313,0cyclictest9-21ksoftirqd/008:05:010
189292130,0sleep10-21swapper/110:26:531
296799128,4cyclictest28-21ksoftirqd/208:20:142
2967991212,0cyclictest28-21ksoftirqd/211:35:022
2967991211,1cyclictest28-21ksoftirqd/208:40:002
2967991211,1cyclictest28-21ksoftirqd/207:55:132
2967991211,1cyclictest28-21ksoftirqd/207:54:592
2967991211,1cyclictest28-21ksoftirqd/207:15:222
2967991210,1cyclictest28-21ksoftirqd/210:10:192
2967991210,1cyclictest28-21ksoftirqd/209:15:002
2967991210,1cyclictest28-21ksoftirqd/208:55:122
2967991210,1cyclictest28-21ksoftirqd/208:45:192
2967991210,1cyclictest28-21ksoftirqd/208:20:002
2967991210,1cyclictest28-21ksoftirqd/207:30:002
2967991210,1cyclictest28-21ksoftirqd/207:15:012
294599127,5cyclictest9-21ksoftirqd/008:10:190
2945991212,0cyclictest9-21ksoftirqd/008:25:150
2945991211,1cyclictest9-21ksoftirqd/012:25:000
2945991211,1cyclictest9-21ksoftirqd/012:00:160
2945991211,1cyclictest9-21ksoftirqd/009:15:190
2945991211,1cyclictest9-21ksoftirqd/009:10:160
2945991210,1cyclictest23783-21tail11:20:180
2945991210,1cyclictest23783-21tail11:20:180
2974991110,1cyclictest35-21ksoftirqd/311:40:003
296799119,1cyclictest28-21ksoftirqd/209:00:192
296799119,1cyclictest28-21ksoftirqd/208:50:002
296799119,1cyclictest28-21ksoftirqd/208:45:002
296799119,1cyclictest28-21ksoftirqd/208:05:202
2967991110,1cyclictest28-21ksoftirqd/208:10:152
2967991110,1cyclictest28-21ksoftirqd/208:00:162
2967991110,1cyclictest28-21ksoftirqd/207:50:002
2967991110,1cyclictest28-21ksoftirqd/207:35:122
2967991110,1cyclictest28-21ksoftirqd/207:20:122
294599119,1cyclictest9-21ksoftirqd/011:45:170
294599119,1cyclictest5474-21fschecks_time11:40:150
294599112,4cyclictest9392-21latency_hist10:15:000
2945991110,1cyclictest9-21ksoftirqd/011:05:210
2945991110,1cyclictest9-21ksoftirqd/010:40:200
2945991110,1cyclictest9-21ksoftirqd/010:40:190
2945991110,1cyclictest9-21ksoftirqd/010:32:440
2945991110,1cyclictest9-21ksoftirqd/010:25:120
2945991110,1cyclictest9-21ksoftirqd/007:25:140
297499109,1cyclictest35-21ksoftirqd/311:15:003
296799109,1cyclictest28-21ksoftirqd/207:40:122
294599109,1cyclictest9-21ksoftirqd/012:30:160
294599109,1cyclictest9-21ksoftirqd/012:25:170
294599109,1cyclictest9-21ksoftirqd/011:18:120
294599109,1cyclictest9-21ksoftirqd/010:55:130
294599109,1cyclictest9-21ksoftirqd/010:20:170
294599109,1cyclictest9-21ksoftirqd/010:15:200
294599109,1cyclictest9-21ksoftirqd/010:00:220
294599109,1cyclictest9-21ksoftirqd/009:25:110
294599109,1cyclictest9-21ksoftirqd/008:50:120
294599109,1cyclictest9-21ksoftirqd/008:35:000
294599109,1cyclictest9-21ksoftirqd/007:20:000
294599108,1cyclictest9-21ksoftirqd/009:35:210
294599108,1cyclictest9-21ksoftirqd/008:40:000
294599106,4cyclictest9-21ksoftirqd/012:35:120
294599105,2cyclictest1078-1kworker/u9:111:00:130
2945991010,0cyclictest9-21ksoftirqd/011:55:200
2945991010,0cyclictest9-21ksoftirqd/010:05:160
29749999,0cyclictest35-21ksoftirqd/312:14:563
29749999,0cyclictest35-21ksoftirqd/307:25:003
29749998,1cyclictest35-21ksoftirqd/312:25:003
29749998,1cyclictest35-21ksoftirqd/312:20:013
29749998,1cyclictest35-21ksoftirqd/310:20:133
29749998,1cyclictest35-21ksoftirqd/309:45:143
29749996,2cyclictest32110-21cron08:10:013
29749990,7cyclictest20635-21kworker/u8:207:40:113
29749990,6cyclictest0-21swapper/308:35:203
29459999,0cyclictest9-21ksoftirqd/011:25:150
29459999,0cyclictest9-21ksoftirqd/009:45:140
29459999,0cyclictest9-21ksoftirqd/008:40:130
29459999,0cyclictest9-21ksoftirqd/007:20:190
29459998,1cyclictest9-21ksoftirqd/010:50:200
29459998,1cyclictest9-21ksoftirqd/009:53:050
29459998,1cyclictest9-21ksoftirqd/009:53:050
29459998,1cyclictest9-21ksoftirqd/009:00:140
29459998,1cyclictest9-21ksoftirqd/008:15:190
29459998,1cyclictest23174-21grep12:05:140
29459997,1cyclictest9-21ksoftirqd/007:40:150
29459997,1cyclictest16687-21gltestperf11:10:170
29749987,1cyclictest35-21ksoftirqd/309:40:003
29749986,1cyclictest35-21ksoftirqd/307:15:013
29749986,1cyclictest22024-21sh10:30:323
29749986,1cyclictest11301-21snmpd10:39:133
29749986,1cyclictest11301-21snmpd09:23:143
29749986,1cyclictest11301-21snmpd09:00:553
29749986,1cyclictest11301-21snmpd08:43:363
29749986,1cyclictest11301-21snmpd07:57:293
29749981,4cyclictest13285-21apt-get07:30:133
29749980,3cyclictest0-21swapper/308:05:013
29749980,2cyclictest0-21swapper/310:12:123
29749980,0cyclictest0-21swapper/309:34:323
29589980,6cyclictest0-21swapper/111:28:221
29459988,0cyclictest9-21ksoftirqd/009:23:120
29459988,0cyclictest9-21ksoftirqd/008:20:110
29459988,0cyclictest9-21ksoftirqd/007:10:180
29459987,1cyclictest9-21ksoftirqd/012:15:200
29459987,1cyclictest9-21ksoftirqd/009:30:150
29459987,1cyclictest9-21ksoftirqd/008:00:000
27581280,0sleep10-21swapper/109:54:421
27581280,0sleep10-21swapper/109:54:411
21966280,0sleep30-21swapper/311:17:473
29749976,1cyclictest35-21ksoftirqd/312:35:003
29749976,1cyclictest35-21ksoftirqd/311:35:013
29749976,1cyclictest35-21ksoftirqd/311:05:003
29749976,1cyclictest35-21ksoftirqd/309:20:003
29749976,1cyclictest35-21ksoftirqd/308:35:003
29749975,1cyclictest9396-21ssh09:28:343
29749975,1cyclictest35-21ksoftirqd/307:40:003
29749975,1cyclictest22989-21apt-get11:20:143
29749975,1cyclictest22989-21apt-get11:20:143
29749975,1cyclictest18272-21ssh11:58:573
29749975,1cyclictest11301-21snmpd12:04:073
29749975,1cyclictest11301-21snmpd11:05:353
29749975,1cyclictest11301-21snmpd08:25:183
29749975,1cyclictest11301-21snmpd08:11:503
29749971,4cyclictest28021-21diskmemload11:45:143
29749971,1cyclictest0-21swapper/308:45:113
29749970,6cyclictest6457-21ssh12:26:283
29589971,6cyclictest0-21swapper/112:06:151
29589971,6cyclictest0-21swapper/110:59:411
29589971,6cyclictest0-21swapper/109:26:081
29589971,6cyclictest0-21swapper/109:00:341
29589970,4cyclictest0-21swapper/108:55:151
29459977,0cyclictest9-21ksoftirqd/011:30:170
29459976,1cyclictest9-21ksoftirqd/008:05:140
29459976,1cyclictest9-21ksoftirqd/007:45:140
29459976,1cyclictest9-21ksoftirqd/007:35:000
29459976,1cyclictest26028-21telnet12:10:140
29459975,1cyclictest19208-21ssh09:40:210
29459973,1cyclictest25899-21/usr/sbin/munin09:05:170
29459970,0cyclictest0-21swapper/010:45:010
29749965,1cyclictest758-21ssh10:47:303
29749965,1cyclictest7232-21ssh11:42:193
29749965,1cyclictest35-21ksoftirqd/309:05:143
29749965,1cyclictest28966-21ssh11:27:373
29749965,1cyclictest27437-21ssh09:54:133
29749965,1cyclictest27437-21ssh09:54:133
29749965,1cyclictest17400-21ssh09:40:053
29749965,1cyclictest11301-21snmpd07:17:033
29749965,1cyclictest1072-21ssh10:01:043
29749964,1cyclictest5947-21fschecks_count10:55:143
29749964,1cyclictest30497-21ssh09:12:173
29749964,1cyclictest11301-21snmpd08:56:463
29749964,1cyclictest11301-21snmpd08:54:343
29749963,1cyclictest2651-21cstates08:15:133
29749963,1cyclictest240-21systemd-journal07:25:003
29749962,2cyclictest0-21swapper/312:05:173
29749961,3cyclictest2533-21latency_hist10:05:003
29749960,6cyclictest0-21swapper/311:54:233
29749960,4cyclictest0-21swapper/310:25:493
29749960,3cyclictest0-21swapper/309:57:003
29749960,1cyclictest0-21swapper/310:40:103
29749960,1cyclictest0-21swapper/310:40:103
29589963,3cyclictest0-21swapper/107:10:191
29589961,5cyclictest16040-21chrt09:36:311
29589961,5cyclictest0-21swapper/108:22:481
29589961,4cyclictest0-21swapper/111:00:211
29589961,3cyclictest30244-21chrt09:56:581
29589960,6cyclictest0-21swapper/112:36:291
29589960,6cyclictest0-21swapper/111:10:531
29589960,6cyclictest0-21swapper/110:52:031
29589960,6cyclictest0-21swapper/109:33:421
29589960,6cyclictest0-21swapper/109:11:181
29589960,6cyclictest0-21swapper/108:40:021
29589960,6cyclictest0-21swapper/107:23:551
29589960,5cyclictest0-21swapper/110:00:161
29589960,5cyclictest0-21swapper/107:43:011
29589960,4cyclictest0-21swapper/110:11:121
29589960,3cyclictest0-21swapper/111:56:031
29589960,2cyclictest0-21swapper/112:15:121
29589960,1cyclictest0-21swapper/112:20:161
29589960,1cyclictest0-21swapper/110:45:151
29589960,0cyclictest0-21swapper/111:50:201
29459965,1cyclictest16460-21/usr/sbin/munin08:45:130
29459965,1cyclictest0-21swapper/007:35:170
29459960,6cyclictest0-21swapper/008:55:100
29459960,0cyclictest0-21swapper/007:50:140
29749950,2cyclictest0-21swapper/312:30:063
29749950,2cyclictest0-21swapper/310:15:543
29749950,1cyclictest21039-21cstates07:45:143
29589955,0cyclictest0-21swapper/111:31:001
29589955,0cyclictest0-21swapper/111:21:041
29589955,0cyclictest0-21swapper/111:21:041
29589955,0cyclictest0-21swapper/110:41:541
29589955,0cyclictest0-21swapper/110:41:531
29589953,1cyclictest0-21swapper/107:30:151
29589952,1cyclictest0-21swapper/111:15:121
29589951,4cyclictest0-21swapper/108:04:071
29589950,5cyclictest0-21swapper/112:26:281
29589950,5cyclictest0-21swapper/112:10:261
29589950,5cyclictest0-21swapper/111:44:541
29589950,5cyclictest0-21swapper/110:37:541
29589950,5cyclictest0-21swapper/109:20:071
29589950,5cyclictest0-21swapper/109:06:221
29589950,5cyclictest0-21swapper/108:26:301
29589950,5cyclictest0-21swapper/107:28:521
29589950,3cyclictest0-21swapper/112:31:491
29589950,3cyclictest0-21swapper/110:30:161
29589950,3cyclictest0-21swapper/109:42:111
29589950,2cyclictest0-21swapper/111:35:361
29589950,2cyclictest0-21swapper/110:15:151
29589950,2cyclictest0-21swapper/107:35:121
29589950,1cyclictest0-21swapper/109:45:201
29589950,1cyclictest0-21swapper/107:50:121
29589950,0cyclictest0-21swapper/110:23:281
11739250,1sleep10-21swapper/108:35:121
29749940,1cyclictest240-21systemd-journal07:54:553
29749940,1cyclictest0-21swapper/308:20:153
29589944,0cyclictest0-21swapper/112:00:231
29589943,1cyclictest11450-21chrt08:34:311
29589942,2cyclictest0-21swapper/107:55:141
29589942,1cyclictest20801-21chrt08:53:261
29589941,1cyclictest0-21swapper/110:05:031
29589940,3cyclictest0-21swapper/111:45:201
29589940,3cyclictest0-21swapper/108:05:121
29589940,2cyclictest0-21swapper/108:15:151
29589940,2cyclictest0-21swapper/107:45:201
29589940,0cyclictest0-21swapper/107:15:001
29589931,1cyclictest0-21swapper/108:45:131
29589931,1cyclictest0-21swapper/108:10:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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