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2026-08-01 - 18:43
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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 Sat Aug 01, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176712215150,22sleep00-21swapper/007:05:390
177552209171,24sleep20-21swapper/207:06:452
158622209158,24sleep30-21swapper/307:05:023
177912201161,26sleep10-21swapper/107:07:121
147572730,0sleep20-21swapper/209:15:142
68332630,0sleep30-21swapper/311:20:143
213952570,0sleep30-21swapper/312:25:513
112482170,0sleep310742-21diskmemload09:55:153
35382150,1sleep121-21ksoftirqd/107:45:131
18092991313,0cyclictest28-21ksoftirqd/209:56:002
1808799130,12cyclictest0-21swapper/111:35:161
160392130,0sleep10-21swapper/109:15:211
18092991211,1cyclictest28-21ksoftirqd/211:15:142
18092991211,1cyclictest28-21ksoftirqd/210:23:082
18092991211,1cyclictest28-21ksoftirqd/209:50:112
18092991210,1cyclictest28-21ksoftirqd/212:20:002
1809299119,1cyclictest28-21ksoftirqd/209:35:212
18092991110,1cyclictest28-21ksoftirqd/209:42:472
18092991110,1cyclictest28-21ksoftirqd/209:30:212
18092991110,1cyclictest28-21ksoftirqd/207:35:002
18092991110,0cyclictest28-21ksoftirqd/210:29:272
1807999110,5cyclictest1133-21cut08:50:000
1807999110,4cyclictest240-21systemd-journal10:05:010
81032100,1sleep20-21swapper/212:08:212
18101991010,0cyclictest0-21swapper/311:31:183
1809299109,1cyclictest28-21ksoftirqd/212:00:212
1809299109,1cyclictest28-21ksoftirqd/211:55:192
1809299109,1cyclictest28-21ksoftirqd/211:31:542
1809299109,1cyclictest28-21ksoftirqd/210:58:022
1809299109,1cyclictest28-21ksoftirqd/210:50:182
1809299109,1cyclictest28-21ksoftirqd/210:35:152
1809299109,1cyclictest28-21ksoftirqd/209:12:542
1809299109,0cyclictest28-21ksoftirqd/210:30:152
1809299109,0cyclictest28-21ksoftirqd/210:30:142
1809299108,1cyclictest28-21ksoftirqd/207:10:162
18092991010,0cyclictest28-21ksoftirqd/211:00:112
123302100,0sleep20-21swapper/210:41:222
180929999,0cyclictest28-21ksoftirqd/212:23:582
180929999,0cyclictest28-21ksoftirqd/209:20:102
180929998,1cyclictest28-21ksoftirqd/212:35:192
180929998,1cyclictest28-21ksoftirqd/212:27:242
180929998,1cyclictest28-21ksoftirqd/211:52:492
180929998,1cyclictest28-21ksoftirqd/211:20:152
180929998,1cyclictest28-21ksoftirqd/211:13:442
180929998,1cyclictest28-21ksoftirqd/210:15:532
180929998,1cyclictest28-21ksoftirqd/210:11:062
180929998,1cyclictest28-21ksoftirqd/210:08:362
180929998,1cyclictest28-21ksoftirqd/209:49:412
180929998,1cyclictest28-21ksoftirqd/208:30:142
180929998,1cyclictest28-21ksoftirqd/208:05:142
180929997,1cyclictest28-21ksoftirqd/212:10:222
180929997,1cyclictest28-21ksoftirqd/208:35:132
180929997,1cyclictest28-21ksoftirqd/208:10:172
180799995,3cyclictest0-21swapper/010:44:490
180799993,5cyclictest13000-21perf11:30:010
180799990,5cyclictest10742-21diskmemload10:25:000
8534280,0sleep30-21swapper/310:35:303
181019987,1cyclictest35-21ksoftirqd/311:20:013
181019987,1cyclictest35-21ksoftirqd/308:19:593
181019987,1cyclictest35-21ksoftirqd/307:19:593
181019986,1cyclictest0-21swapper/310:02:283
181019985,1cyclictest35-21ksoftirqd/307:34:543
181019982,4cyclictest10742-21diskmemload12:05:203
181019980,8cyclictest2523-1kworker/u9:010:26:053
181019980,4cyclictest0-21swapper/310:32:393
181019980,4cyclictest0-21swapper/310:32:383
180929987,1cyclictest28-21ksoftirqd/211:36:212
180929987,1cyclictest28-21ksoftirqd/211:26:452
180929987,1cyclictest28-21ksoftirqd/210:45:372
180929987,1cyclictest28-21ksoftirqd/209:00:202
180929987,1cyclictest28-21ksoftirqd/208:50:142
180929987,1cyclictest28-21ksoftirqd/208:25:132
180929987,1cyclictest28-21ksoftirqd/207:25:162
180929987,1cyclictest0-21swapper/211:45:392
180929986,1cyclictest2866-21perf07:45:002
180929986,1cyclictest28-21ksoftirqd/211:41:122
180879980,5cyclictest0-21swapper/110:20:001
180799987,1cyclictest9-21ksoftirqd/010:10:170
180799986,1cyclictest9-21ksoftirqd/008:44:590
180799986,1cyclictest26439-21sh08:35:000
180799986,1cyclictest25490-21ssh11:00:150
180799986,1cyclictest11301-21snmpd07:29:240
180799982,1cyclictest12413-21/usr/sbin/munin12:15:160
180799981,4cyclictest3518-21perf08:55:010
180799980,7cyclictest9338-21ssh09:50:350
180799980,1cyclictest519-21ssh11:56:380
30761270,0sleep30-21swapper/309:35:213
181019976,1cyclictest35-21ksoftirqd/307:48:023
181019976,1cyclictest11301-21snmpd11:55:073
181019976,1cyclictest11301-21snmpd11:08:433
181019976,1cyclictest11301-21snmpd10:44:433
181019976,1cyclictest11301-21snmpd08:55:283
181019976,1cyclictest11301-21snmpd08:55:273
181019976,1cyclictest11301-21snmpd08:51:513
181019975,1cyclictest13555-21ssh09:13:093
181019975,1cyclictest10030-21ssh09:52:453
181019973,3cyclictest1-21systemd09:30:193
181019973,1cyclictest240-21systemd-journal07:15:003
181019972,4cyclictest10742-21diskmemload09:40:193
181019972,2cyclictest24553-21ssh09:27:503
181019971,3cyclictest10742-21diskmemload11:48:313
181019971,3cyclictest10742-21diskmemload11:42:563
181019970,6cyclictest10742-21diskmemload12:39:133
181019970,4cyclictest0-21swapper/311:50:113
181019970,3cyclictest0-21swapper/310:23:473
181019970,2cyclictest0-21swapper/312:15:303
180929976,1cyclictest28-21ksoftirqd/209:27:012
180929976,1cyclictest28-21ksoftirqd/208:55:132
180929976,1cyclictest28-21ksoftirqd/208:55:122
180929976,1cyclictest28-21ksoftirqd/208:40:192
180929976,1cyclictest28-21ksoftirqd/207:20:102
180929975,1cyclictest28026-21ssh11:05:022
180929975,1cyclictest28-21ksoftirqd/212:34:252
180929975,1cyclictest28-21ksoftirqd/210:00:162
180929971,6cyclictest0-21swapper/209:09:512
180929971,2cyclictest30785-21apt-get07:35:122
180929970,3cyclictest0-21swapper/207:15:132
180879972,2cyclictest0-21swapper/108:45:121
180879970,6cyclictest0-21swapper/112:36:041
180879970,6cyclictest0-21swapper/107:55:261
180879970,4cyclictest0-21swapper/111:50:011
180879970,4cyclictest0-21swapper/111:11:061
180879970,4cyclictest0-21swapper/111:03:521
180879970,1cyclictest0-21swapper/111:08:051
180799976,1cyclictest20620-21sh09:22:070
180799976,1cyclictest11301-21snmpd07:32:300
180799976,0cyclictest10742-21diskmemload10:06:000
180799975,1cyclictest9-21ksoftirqd/007:50:010
180799974,0cyclictest10742-21diskmemload11:23:210
180799973,1cyclictest8619-21/usr/sbin/munin09:05:200
180799972,2cyclictest10742-21diskmemload09:35:130
180799971,5cyclictest3171-21ssh10:30:060
180799971,5cyclictest3171-21ssh10:30:050
180799971,4cyclictest561-21nscd11:40:140
180799970,7cyclictest24745-21ssh09:28:210
180799970,6cyclictest8294-21df_inode07:55:120
180799970,6cyclictest6321-21basename09:00:140
180799970,6cyclictest2916-21cut11:15:130
180799970,6cyclictest28509-21ssh12:36:110
180799970,6cyclictest16739-21apt-get11:35:110
180799970,6cyclictest15776-1kworker/u9:209:30:190
180799970,6cyclictest14182-21ssh09:59:520
180799970,6cyclictest13366-21ssh09:12:400
180799970,6cyclictest12997-1kworker/u9:010:45:140
180799970,6cyclictest10742-21diskmemload09:46:200
180799970,6cyclictest0-21swapper/009:15:020
180799970,4cyclictest25695-1kworker/u9:211:48:170
180799970,3cyclictest0-21swapper/011:05:130
180799970,1cyclictest4260-21ssh12:02:110
180799970,1cyclictest22290-21tr10:55:210
180799970,1cyclictest10742-21diskmemload11:54:180
180799970,1cyclictest10742-21diskmemload10:15:090
180799970,1cyclictest10742-21diskmemload09:42:380
180799970,1cyclictest0-21swapper/012:30:190
180799970,1cyclictest0-21swapper/012:05:220
180799970,0cyclictest10742-21diskmemload12:29:550
20848265,0sleep121-21ksoftirqd/110:08:371
181019965,1cyclictest5116-21ssh09:45:173
181019965,1cyclictest4087-21ssh12:01:383
181019965,1cyclictest35-21ksoftirqd/308:34:593
181019965,1cyclictest26956-21ssh10:15:403
181019965,1cyclictest24218-21ssh10:13:103
181019965,1cyclictest19919-21ssh10:05:363
181019965,1cyclictest16728-21ssh11:35:093
181019965,1cyclictest11407-21ssh12:12:423
181019965,1cyclictest11301-21snmpd12:22:453
181019965,1cyclictest11301-21snmpd08:10:233
181019965,1cyclictest11301-21snmpd07:39:313
181019965,1cyclictest10878-21ntpq11:25:173
181019964,1cyclictest11301-21snmpd08:20:153
181019964,1cyclictest11301-21snmpd08:05:113
181019963,2cyclictest14481-21apt-get09:15:123
181019962,3cyclictest19330-21sh10:50:363
181019962,2cyclictest14890-21awk10:45:183
181019961,4cyclictest0-21swapper/311:00:123
181019961,2cyclictest10742-21diskmemload10:55:483
181019960,4cyclictest10742-21diskmemload11:11:223
181019960,2cyclictest240-21systemd-journal08:40:003
180929966,0cyclictest28-21ksoftirqd/208:00:152
180929966,0cyclictest28-21ksoftirqd/207:55:142
180929965,1cyclictest28-21ksoftirqd/207:45:152
180929964,1cyclictest28-21ksoftirqd/208:50:012
180929964,1cyclictest11301-21snmpd08:20:092
180929964,1cyclictest11301-21snmpd07:52:382
180929960,3cyclictest0-21swapper/208:15:122
180879965,1cyclictest0-21swapper/107:32:031
180879965,0cyclictest0-21swapper/111:40:121
180879962,2cyclictest0-21swapper/112:20:571
180879961,5cyclictest0-21swapper/107:19:541
180879961,3cyclictest0-21swapper/107:25:121
180879961,1cyclictest0-21swapper/108:55:191
180879961,1cyclictest0-21swapper/108:55:191
180879960,6cyclictest0-21swapper/111:25:421
180879960,6cyclictest0-21swapper/111:19:471
180879960,6cyclictest0-21swapper/110:58:011
180879960,6cyclictest0-21swapper/110:25:201
180879960,6cyclictest0-21swapper/109:49:261
180879960,6cyclictest0-21swapper/109:35:141
180879960,6cyclictest0-21swapper/109:12:501
180879960,6cyclictest0-21swapper/109:09:131
180879960,6cyclictest0-21swapper/108:05:201
180879960,5cyclictest0-21swapper/112:32:321
180879960,4cyclictest0-21swapper/110:10:141
180879960,4cyclictest0-21swapper/109:53:211
180879960,3cyclictest0-21swapper/111:55:221
180879960,3cyclictest0-21swapper/111:33:341
180879960,1cyclictest0-21swapper/107:12:161
180879960,0cyclictest0-21swapper/111:22:451
180799966,0cyclictest6700-21ssh10:35:090
180799965,1cyclictest9-21ksoftirqd/008:23:030
180799965,1cyclictest13242-21ssh11:30:120
180799964,1cyclictest32753-21cut10:25:160
180799964,1cyclictest11301-21snmpd07:52:080
180799962,2cyclictest15382-21/usr/sbin/munin08:10:140
180799962,1cyclictest18377-21ntp_kernel_pll_08:15:180
180799962,1cyclictest10742-21diskmemload10:52:130
180799961,4cyclictest10742-21diskmemload12:20:170
180799960,6cyclictest0-21swapper/011:10:010
180799960,5cyclictest0-21swapper/007:15:160
180799960,0cyclictest10939-21ssh12:11:100
180799960,0cyclictest0-21swapper/008:35:120
180799960,0cyclictest0-21swapper/008:25:180
180799960,0cyclictest0-21swapper/007:40:230
180799960,0cyclictest0-21swapper/007:35:180
181019954,1cyclictest32554-21ntpq08:45:163
181019954,1cyclictest11301-21snmpd07:21:463
181019953,1cyclictest12305-21idleruntime-cro08:05:003
181019953,1cyclictest11301-21snmpd07:40:043
181019952,1cyclictest35-21ksoftirqd/308:00:013
181019951,3cyclictest11301-21snmpd09:05:013
181019951,2cyclictest11301-21snmpd09:00:523
181019950,5cyclictest0-21swapper/308:40:483
181019950,5cyclictest0-21swapper/308:28:483
181019950,3cyclictest26184-21aten_r1power_po07:25:123
181019950,1cyclictest0-21swapper/312:30:513
181019950,1cyclictest0-21swapper/309:20:053
181019950,0cyclictest0-21swapper/307:50:173
180879955,0cyclictest0-21swapper/112:17:011
180879955,0cyclictest0-21swapper/109:42:371
180879952,3cyclictest0-21swapper/108:20:111
180879950,5cyclictest0-21swapper/111:45:491
180879950,5cyclictest0-21swapper/110:46:551
180879950,5cyclictest0-21swapper/108:50:261
180879950,5cyclictest0-21swapper/108:40:231
180879950,5cyclictest0-21swapper/108:30:111
180879950,5cyclictest0-21swapper/108:18:531
180879950,5cyclictest0-21swapper/107:42:231
180879950,5cyclictest0-21swapper/107:23:031
180879950,4cyclictest0-21swapper/110:35:201
180879950,3cyclictest0-21swapper/110:16:281
180879950,3cyclictest0-21swapper/109:20:181
180879950,2cyclictest0-21swapper/112:27:011
180879950,2cyclictest0-21swapper/112:05:111
180879950,2cyclictest0-21swapper/112:02:251
180879950,2cyclictest0-21swapper/110:50:161
180879950,2cyclictest0-21swapper/110:30:211
180879950,2cyclictest0-21swapper/110:30:201
180879950,2cyclictest0-21swapper/109:56:101
180879950,2cyclictest0-21swapper/109:30:181
180879950,1cyclictest0-21swapper/112:10:121
180879950,1cyclictest0-21swapper/109:25:131
180879950,1cyclictest0-21swapper/108:10:131
180799950,5cyclictest0-21swapper/008:00:020
180799950,5cyclictest0-21swapper/007:13:260
180799950,4cyclictest3693-21/usr/sbin/munin08:55:180
180799950,4cyclictest3693-21/usr/sbin/munin08:55:170
180799950,4cyclictest0-21swapper/008:05:150
180799950,0cyclictest0-21swapper/007:20:330
180879941,0cyclictest0-21swapper/107:35:131
180879940,4cyclictest0-21swapper/109:00:211
180879940,3cyclictest0-21swapper/108:35:141
180879940,3cyclictest0-21swapper/108:25:161
180879940,2cyclictest0-21swapper/110:41:121
180879940,2cyclictest0-21swapper/110:00:491
180879940,0cyclictest0-21swapper/108:02:331
180879931,1cyclictest0-21swapper/107:50:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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