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2026-03-18 - 08:18
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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 rackaslot0.osadl.org (updated Wed Mar 18, 2026 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2737021000,0sleep00-21swapper/000:16:150
287842910,0sleep20-21swapper/222:55:362
142562840,0sleep114258-21bash22:57:141
44092630,1sleep30-21swapper/322:39:053
277302630,1sleep010-21rcuc/022:15:150
2845226227,31sleep20-21swapper/219:09:092
2845226227,31sleep20-21swapper/219:09:092
129692570,1sleep112973-21sshd23:54:521
129692570,1sleep112973-21sshd23:54:521
265462560,1sleep326545-21bash22:03:403
173312560,0sleep30-21swapper/321:36:563
58022550,1sleep10-21swapper/100:11:271
189942550,1sleep118993-21sshd00:24:131
317732540,1sleep031774-21bash23:33:270
264742540,1sleep11734-21runrttasks21:34:581
226282540,0sleep31596-21sshd22:58:013
311772530,0sleep10-21swapper/123:59:211
324762520,0sleep30-21swapper/321:46:533
2839025224,24sleep30-21swapper/319:08:493
2839025224,24sleep30-21swapper/319:08:493
224292520,0sleep30-21swapper/323:26:503
224292520,0sleep30-21swapper/323:26:503
186972520,0sleep20-21swapper/200:21:132
239322510,1sleep33629-21diskmemload23:38:323
118722510,0sleep00-21swapper/021:30:400
91842500,0sleep20-21swapper/222:22:152
85372500,0sleep00-21swapper/022:53:530
214512500,0sleep321439-21sshd22:46:203
111592500,1sleep311157-21bash00:26:193
29952490,0sleep31734-21runrttasks21:50:063
2777024926,9sleep10-21swapper/119:05:461
2777024926,9sleep10-21swapper/119:05:461
2588724926,18sleep00-21swapper/019:05:090
2588724926,18sleep00-21swapper/019:05:090
243442490,0sleep024328-21sshd21:23:150
66312480,1sleep36628-21sshd00:14:293
286762480,0sleep00-21swapper/021:35:090
214922480,0sleep121486-21bash00:01:171
144062480,0sleep00-21swapper/000:23:480
109712480,0sleep03629-21diskmemload21:56:280
75942470,0sleep10-21swapper/123:25:281
75942470,0sleep10-21swapper/123:25:281
223292470,0sleep20-21swapper/221:20:122
217432470,0sleep20-21swapper/200:07:072
92472460,0sleep00-21swapper/022:59:460
324812460,0sleep232476-21sshd22:53:082
80882440,0sleep10-21swapper/121:41:511
240972420,0sleep30-21swapper/300:33:163
108212400,0sleep11734-21runrttasks23:11:221
101512220,0sleep110150-21bash22:02:101
28889992116,4cyclictest0-21swapper/223:10:472
28889992115,5cyclictest0-21swapper/200:04:442
182592210,1sleep228-21rcuc/221:11:112
2889099200,1cyclictest0-21swapper/323:18:243
2888999208,5cyclictest11578-21sshd22:19:392
2888999204,15cyclictest13459-21sshd22:08:162
28889992018,1cyclictest0-21swapper/223:43:462
28889992018,1cyclictest0-21swapper/200:16:452
28888992018,1cyclictest5165-21sshd21:50:141
2888999198,4cyclictest0-21swapper/223:16:352
2888999194,14cyclictest23861-21sshd00:36:042
2888999190,10cyclictest0-21swapper/200:10:582
117832190,0sleep20-21swapper/223:28:492
117832190,0sleep20-21swapper/223:28:492
28890991817,1cyclictest0-21swapper/300:17:363
2888999188,9cyclictest21950-21sshd21:31:372
2888999188,7cyclictest11027-21sshd22:25:172
2888999182,15cyclictest22168-21sshd22:49:222
2888999180,1cyclictest0-21swapper/222:31:382
2888999180,17cyclictest0-21swapper/221:47:152
2888999180,14cyclictest25342-21sshd22:40:532
2888999180,14cyclictest0-21swapper/223:09:062
28887991816,1cyclictest4237-21sshd22:30:220
28890991716,1cyclictest0-21swapper/300:21:563
2888999177,5cyclictest26921-21sshd21:52:102
2888999171,10cyclictest0-21swapper/222:00:412
2888999170,3cyclictest0-21swapper/223:57:142
2888999170,2cyclictest22751-21sshd22:14:542
2888999170,1cyclictest31823-21sshd21:38:162
2888999170,1cyclictest14284-21bash23:23:162
2888999170,1cyclictest0-21swapper/222:35:442
2888999170,1cyclictest0-21swapper/221:16:472
188322170,1sleep11734-21runrttasks23:03:271
133892170,0sleep30-21swapper/323:20:173
80782160,0sleep00-21swapper/021:53:230
292112160,1sleep30-21swapper/323:07:153
28890991614,1cyclictest3296-21bash21:15:343
28890991614,1cyclictest0-21swapper/322:50:533
2888999161,9cyclictest0-21swapper/220:15:152
2888999161,1cyclictest5516-21sshd23:45:262
2888999161,1cyclictest0-21swapper/221:59:152
2888999161,14cyclictest0-21swapper/223:35:042
28889991610,5cyclictest18415-21sshd23:32:152
2888999160,1cyclictest29966-21sshd00:25:122
2888999160,1cyclictest0-21swapper/223:00:142
2888999160,15cyclictest29608-21sshd23:53:262
2888999160,15cyclictest29608-21sshd23:53:262
2888999160,15cyclictest22443-21bash21:25:522
2888999160,15cyclictest16168-21bash21:42:362
2888999160,15cyclictest0-21swapper/200:30:532
28888991615,1cyclictest18410-21sshd22:28:511
2888899161,12cyclictest115650irq/25-eth023:23:121
2888799169,4cyclictest0-21swapper/022:37:520
2888799168,4cyclictest24242-21sshd23:21:120
28887991614,2cyclictest20754-21kworker/0:022:48:020
28887991613,2cyclictest31799-21kworker/0:023:15:560
28887991613,1cyclictest18536-21sshd22:28:520
28887991611,4cyclictest0-21swapper/023:28:470
28887991611,4cyclictest0-21swapper/023:28:470
276982160,1sleep027683-21sshd23:41:400
247662160,1sleep10-21swapper/100:39:071
127012160,1sleep312680-21sshd22:28:203
2889099150,14cyclictest115650irq/25-eth000:05:213
2888999151,1cyclictest0-21swapper/220:00:152
2888999150,1cyclictest0-21swapper/219:38:122
2888899159,5cyclictest0-21swapper/123:38:391
2888799158,4cyclictest0-21swapper/023:52:310
2888799158,4cyclictest0-21swapper/023:52:300
2888799157,5cyclictest18372-21kworker/0:100:11:350
28887991514,1cyclictest4212-21kworker/0:322:43:140
28887991513,2cyclictest8619-21kworker/0:122:09:150
28887991513,2cyclictest28109-21kworker/0:123:13:520
28887991513,2cyclictest23492-21kworker/0:023:59:070
28887991513,2cyclictest0-21swapper/000:25:520
28887991512,1cyclictest20783-21kworker/0:023:36:540
2888799150,12cyclictest0-21swapper/021:17:380
2889099149,2cyclictest0-21swapper/323:32:563
2889099144,1cyclictest32716-21sshd22:21:253
2889099140,13cyclictest0-21swapper/321:41:113
2889099140,13cyclictest0-21swapper/321:25:213
2889099140,13cyclictest0-21swapper/321:12:183
2888999148,5cyclictest0-21swapper/219:40:142
2888999140,1cyclictest0-21swapper/219:16:422
2888899149,2cyclictest16300-21sshd23:32:031
2888899141,1cyclictest115650irq/25-eth022:39:051
2888899140,13cyclictest7902-21bash21:21:451
2888899140,13cyclictest3629-21diskmemload00:30:571
2888899140,13cyclictest22717-21sshd00:27:221
2888899140,13cyclictest0-21swapper/121:55:421
2888899140,13cyclictest0-21swapper/121:27:251
2888799149,2cyclictest0-21swapper/021:42:290
2888799144,9cyclictest3-21ksoftirqd/022:13:590
2888799142,3cyclictest3-21ksoftirqd/021:29:430
28887991412,2cyclictest16322-21kworker/0:123:05:420
28887991410,2cyclictest4359-21kworker/0:000:32:230
2888799140,13cyclictest10647-21sshd23:48:510
2888799140,13cyclictest0-21swapper/023:02:080
2888799140,11cyclictest32447-21sshd22:21:240
2888799140,11cyclictest1596-21sshd22:02:250
278672140,0sleep3381ktimersoftd/321:23:343
266762140,0sleep00-21swapper/021:11:570
2889099139,4cyclictest0-21swapper/300:04:063
2889099139,2cyclictest0-21swapper/323:46:103
2889099138,2cyclictest22131-21sshd23:52:453
2889099138,2cyclictest22131-21sshd23:52:453
2889099137,2cyclictest2256-21cp22:33:083
2889099131,1cyclictest12230-21sshd22:42:393
2889099131,11cyclictest0-21swapper/323:02:513
2889099130,4cyclictest0-21swapper/321:57:553
2889099130,12cyclictest27675-21bash23:56:043
2889099130,12cyclictest17256-21sshd22:08:363
2889099130,12cyclictest0-21swapper/321:31:123
2889099130,11cyclictest0-21swapper/323:13:003
2888999137,5cyclictest3936-21perl19:20:142
2888999130,1cyclictest0-21swapper/220:50:132
2888999130,13cyclictest0-21swapper/221:10:002
2888999130,13cyclictest0-21swapper/220:25:352
2888899139,1cyclictest0-21swapper/122:13:431
2888899138,2cyclictest4368-21id23:16:341
2888899138,2cyclictest14823-21sshd23:05:561
2888899138,2cyclictest0-21swapper/122:42:521
28888991311,1cyclictest20036-21bash22:23:131
2888899131,11cyclictest0-21swapper/123:42:481
2888899131,11cyclictest0-21swapper/122:17:091
2888899130,12cyclictest28494-21sshd21:35:081
2888899130,12cyclictest24605-21sshd00:15:591
2888899130,12cyclictest23768-21bash22:09:121
2888899130,12cyclictest17629-21sshd21:11:071
2888899130,12cyclictest14193-21sshd21:45:161
2888899130,12cyclictest0-21swapper/100:05:061
2888899130,10cyclictest4951-21sshd22:50:361
2888799139,3cyclictest0-21swapper/021:48:030
2888799139,1cyclictest0-21swapper/000:37:270
2888799137,6cyclictest15123-21kworker/0:121:00:470
2888799136,6cyclictest18372-21kworker/0:100:06:330
2888799130,10cyclictest0-21swapper/000:00:480
114652130,0sleep111464-21bash22:34:001
2889099129,2cyclictest0-21swapper/320:50:133
2889099128,1cyclictest0-21swapper/322:15:323
2889099128,1cyclictest0-21swapper/300:36:563
2889099121,2cyclictest0-21swapper/320:05:143
28890991210,1cyclictest5130-21sshd22:13:163
2889099120,12cyclictest3629-21diskmemload23:42:333
2888999125,6cyclictest30122-21grep20:05:122
2888899129,2cyclictest0-21swapper/121:15:591
28888991211,1cyclictest31615-21runrttasks19:14:541
2888899121,10cyclictest0-21swapper/122:45:031
2888899121,10cyclictest0-21swapper/120:25:141
2888899120,12cyclictest0-21swapper/123:45:441
2888799129,2cyclictest27993-21tune2fs20:55:150
2888799129,2cyclictest0-21swapper/020:15:150
2888799129,1cyclictest5272-21kworker/0:020:05:170
2888799129,0cyclictest15123-21kworker/0:120:50:110
2888799126,6cyclictest5272-21kworker/0:020:21:370
2889099111,1cyclictest0-21swapper/320:40:123
2889099110,2cyclictest0-21swapper/319:45:133
2889099110,10cyclictest0-21swapper/319:15:003
28889991110,1cyclictest0-21swapper/219:47:152
2888999110,11cyclictest0-21swapper/221:03:552
2888999110,11cyclictest0-21swapper/219:55:162
2888999110,10cyclictest0-21swapper/220:36:242
2888899119,2cyclictest0-21swapper/120:45:371
2888899119,1cyclictest0-21swapper/119:30:121
28888991110,1cyclictest0-21swapper/120:02:101
2888899110,11cyclictest0-21swapper/120:35:241
2888899110,11cyclictest0-21swapper/119:43:351
2888899110,10cyclictest0-21swapper/120:10:131
2888799118,2cyclictest0-21swapper/019:40:130
2888799116,2cyclictest15123-21kworker/0:120:40:190
2888799115,6cyclictest5272-21kworker/0:019:11:000
2888799113,5cyclictest5272-21kworker/0:019:47:170
2888799110,1cyclictest0-21swapper/019:26:070
2888799110,11cyclictest0-21swapper/019:56:410
2888799110,10cyclictest0-21swapper/019:35:130
2888799110,10cyclictest0-21swapper/019:30:120
2888799110,10cyclictest0-21swapper/019:18:550
2889099108,1cyclictest28073-21tune2fs20:55:153
2889099100,9cyclictest0-21swapper/320:25:153
2888999109,1cyclictest0-21swapper/220:48:282
2888999107,2cyclictest0-21swapper/220:55:142
2888999102,7cyclictest0-21swapper/220:30:072
2888999101,2cyclictest0-21swapper/220:20:192
2888999101,2cyclictest0-21swapper/219:50:522
2888999101,1cyclictest123550irq/26-eth1-rx-20:40:212
2888999100,9cyclictest9558-21diskstats19:30:132
2888999100,4cyclictest0-21swapper/219:11:522
2888999100,1cyclictest0-21swapper/220:14:382
2888999100,10cyclictest0-21swapper/219:26:212
2888899109,1cyclictest0-21swapper/120:58:391
2888899109,1cyclictest0-21swapper/119:53:141
2888899108,1cyclictest13212-21perl20:30:141
2888899108,1cyclictest0-21swapper/119:20:131
2888899101,8cyclictest0-21swapper/119:16:061
2888899100,9cyclictest30402-21diskstats20:05:131
2888899100,9cyclictest22108-21kworker/1:119:35:131
2888899100,1cyclictest6575-21diskstats19:25:131
2888899100,1cyclictest0-21swapper/121:10:001
2888799108,1cyclictest22015-21perl20:45:140
2888799107,3cyclictest15123-21kworker/0:120:38:470
2888799107,1cyclictest5272-21kworker/0:020:26:470
2888799107,1cyclictest5272-21kworker/0:020:11:310
2888799100,9cyclictest3851-21fschecks_time19:20:130
2888799100,9cyclictest13236-21smartctl20:30:160
2888799100,2cyclictest0-21swapper/019:50:190
2888799100,1cyclictest0-21swapper/020:04:350
2888799100,10cyclictest0-21swapper/021:07:050
288909998,1cyclictest0-21swapper/319:44:183
288909998,1cyclictest0-21swapper/319:38:373
288909991,8cyclictest0-21swapper/319:31:373
288909990,9cyclictest0-21swapper/320:34:503
288889990,6cyclictest0-21swapper/119:48:511
288909987,1cyclictest0-21swapper/320:12:043
288909986,1cyclictest1564-21perl21:05:153
288909985,2cyclictest0-21swapper/321:00:153
288909981,6cyclictest0-21swapper/320:35:173
288909981,6cyclictest0-21swapper/319:20:103
288909980,8cyclictest0-21swapper/319:55:153
288889986,1cyclictest19071-21perl20:40:111
288889981,6cyclictest0-21swapper/120:20:101
288889980,7cyclictest0-21swapper/119:55:211
288889980,0cyclictest25101-21conntrack20:50:141
288909975,1cyclictest4456-21latency20:15:183
288909975,1cyclictest27477-21grep20:00:143
288909975,1cyclictest21935-21fschecks_count20:45:133
288909971,5cyclictest0-21swapper/320:20:103
288909970,6cyclictest0-21swapper/319:50:223
288909970,6cyclictest0-21swapper/319:10:103
288889974,2cyclictest0-21swapper/121:00:181
288889971,5cyclictest0-21swapper/120:15:131
288909960,5cyclictest0-21swapper/319:25:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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