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2026-03-26 - 12:38
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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 rackaslot0.osadl.org (updated Thu Mar 26, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1005421300,1sleep00-21swapper/019:05:160
193122670,1sleep219311-21bash21:47:212
1109126024,8sleep10-21swapper/119:06:151
3342590,0sleep20-21swapper/222:05:522
313412580,0sleep10-21swapper/123:20:521
74362570,0sleep17428-21sshd22:32:391
252842570,0sleep20-21swapper/223:34:512
211072570,0sleep20-21swapper/221:59:082
285842560,1sleep30-21swapper/321:25:113
187532560,1sleep218721-21sshd21:24:182
147442560,0sleep30-21swapper/323:56:563
118862560,0sleep00-21swapper/023:22:020
325992550,0sleep2291ktimersoftd/222:55:132
264172540,1sleep20-21swapper/200:06:402
151472540,1sleep30-21swapper/321:46:583
130502540,0sleep10-21swapper/122:39:001
1137525431,19sleep20-21swapper/219:07:412
257482530,1sleep08-21rcu_preempt22:43:010
149462530,1sleep01511-21nfsd23:16:330
76452500,0sleep30-21swapper/322:18:113
35722500,0sleep30-21swapper/322:35:153
31062500,1sleep33104-21sshd22:29:253
232652500,0sleep30-21swapper/300:03:333
209492500,0sleep20-21swapper/222:48:232
196012500,1sleep010-21rcuc/000:06:020
179082500,0sleep10-21swapper/123:19:481
166552500,1sleep216654-21sshd23:22:292
78002490,1sleep31511-21nfsd23:24:393
1112324926,8sleep30-21swapper/319:06:253
249632480,0sleep00-21swapper/023:26:040
216402480,0sleep321637-21sshd21:13:013
13092470,0sleep20-21swapper/223:38:282
126442470,0sleep00-21swapper/023:07:480
106762470,0sleep110658-21sshd00:31:271
184992460,0sleep20-21swapper/222:22:032
193122450,0sleep10-21swapper/122:48:141
317142430,0sleep20-21swapper/223:46:532
96642410,0sleep20-21swapper/219:58:502
176602410,0sleep30-21swapper/323:14:013
29032390,0sleep20-21swapper/222:29:242
203062380,0sleep30-21swapper/319:20:223
246382270,0sleep324640-21id00:18:113
56262260,1sleep35622-21sshd23:35:513
125182240,0sleep10-21swapper/122:01:121
1210999230,22cyclictest0-21swapper/200:36:162
105292230,0sleep10-21swapper/122:09:491
231872210,1sleep223171-21sshd00:32:362
12110992120,1cyclictest37-21rcuc/323:43:503
1210999210,20cyclictest0-21swapper/223:07:402
12107992119,1cyclictest6404-21sshd23:01:290
69672200,0sleep16927-21sshd23:07:171
12107992018,1cyclictest16220-21sshd22:53:460
1210999190,18cyclictest19219-21diskmemload22:43:482
1210899199,1cyclictest24162-21cp23:51:591
49342180,0sleep30-21swapper/322:32:263
284402180,0sleep10-21swapper/121:51:021
1210899188,6cyclictest0-21swapper/122:42:121
211482170,1sleep010-21rcuc/023:45:550
126442170,1sleep112643-21sshd00:08:231
1211099178,1cyclictest0-21swapper/321:59:173
12109991715,1cyclictest0-21swapper/223:53:482
1210799177,10cyclictest19583-21kworker/0:121:13:450
1210799173,13cyclictest31706-21kworker/0:022:45:490
12107991715,2cyclictest9390-21kworker/0:222:09:100
12107991714,2cyclictest9390-21kworker/0:221:58:360
1210799170,13cyclictest0-21swapper/000:37:530
42562160,0sleep230-21ksoftirqd/222:15:022
311222160,0sleep20-21swapper/200:21:382
27232160,1sleep00-21swapper/022:58:190
196622160,1sleep019647-21sshd21:50:160
194652160,0sleep10-21swapper/123:57:221
12110991612,3cyclictest39-21ksoftirqd/300:29:053
1210899168,5cyclictest6025-21sshd23:47:301
1210899160,13cyclictest0-21swapper/100:10:351
1210799169,4cyclictest0-21swapper/000:17:000
1210799168,5cyclictest0-21swapper/023:57:560
1210799161,9cyclictest0-21swapper/021:47:440
12107991614,2cyclictest25211-21kworker/0:123:12:580
12107991613,3cyclictest9390-21kworker/0:222:02:040
1210799160,4cyclictest22809-21munin-node21:30:200
1210799160,4cyclictest22809-21munin-node21:30:200
1210799160,14cyclictest0-21swapper/020:50:220
1210799160,10cyclictest1327-21sshd22:26:170
268102150,0sleep126809-21sshd21:19:161
18132150,1sleep20-21swapper/221:40:052
1211099156,1cyclictest0-21swapper/321:19:583
1211099155,1cyclictest379-21sshd22:03:023
1211099153,1cyclictest39-21ksoftirqd/321:24:123
12110991514,1cyclictest39-21ksoftirqd/322:11:373
12110991514,1cyclictest39-21ksoftirqd/321:38:263
12110991514,1cyclictest39-21ksoftirqd/300:05:433
12110991512,1cyclictest39-21ksoftirqd/322:51:223
1210799158,3cyclictest0-21swapper/022:34:530
1210799158,2cyclictest3290-21sshd23:53:020
1210799157,3cyclictest22368-21kworker/0:021:43:410
1210799155,1cyclictest15697-21sshd21:26:500
1210799152,10cyclictest8736-21sshd22:15:210
12107991514,1cyclictest15341-21kworker/0:121:37:050
12107991513,2cyclictest23816-21kworker/0:223:33:470
12107991513,2cyclictest14476-21kworker/0:022:14:320
12107991513,2cyclictest1323-21kworker/0:100:31:090
12107991513,2cyclictest1323-21kworker/0:100:24:330
12107991512,1cyclictest21643-21kworker/0:322:21:530
1210799150,3cyclictest0-21swapper/023:43:520
1210799150,14cyclictest41ktimersoftd/020:25:150
1210799150,14cyclictest0-21swapper/021:17:570
1210799150,12cyclictest0-21swapper/000:02:070
1210799150,10cyclictest9684-21cp00:13:570
249772140,0sleep30-21swapper/321:33:283
249772140,0sleep30-21swapper/321:33:283
192332140,0sleep30-21swapper/320:15:143
1211099144,9cyclictest39-21ksoftirqd/322:44:213
12110991413,1cyclictest39-21ksoftirqd/323:46:093
12110991413,1cyclictest39-21ksoftirqd/323:25:313
12110991413,1cyclictest39-21ksoftirqd/323:18:343
12110991413,1cyclictest39-21ksoftirqd/323:00:173
12110991413,1cyclictest39-21ksoftirqd/322:59:223
12110991413,1cyclictest39-21ksoftirqd/322:47:093
12110991413,1cyclictest39-21ksoftirqd/321:53:083
12110991413,1cyclictest39-21ksoftirqd/321:43:073
12110991413,1cyclictest39-21ksoftirqd/300:32:203
12110991413,1cyclictest39-21ksoftirqd/300:10:083
1211099141,2cyclictest25520-21sshd23:06:023
12110991412,1cyclictest39-21ksoftirqd/300:35:413
1211099140,9cyclictest15737-21bash00:20:163
1211099140,1cyclictest37-21rcuc/322:20:293
1210999144,1cyclictest29490-21sshd23:17:542
12109991412,2cyclictest2649-21kworker/2:122:34:382
1210999140,1cyclictest22206-21sshd00:03:262
1210999140,13cyclictest10978-21sshd21:12:032
1210999140,11cyclictest0-21swapper/222:39:442
1210999140,11cyclictest0-21swapper/221:51:552
1210899148,2cyclictest0-21swapper/123:29:251
1210899148,2cyclictest0-21swapper/122:28:151
1210899148,1cyclictest0-21swapper/100:21:181
1210899141,10cyclictest28909-21sshd23:12:051
1210899140,2cyclictest0-21swapper/123:33:551
1210899140,1cyclictest115650irq/25-eth000:01:531
1210899140,1cyclictest0-21swapper/100:35:321
1210899140,10cyclictest0-21swapper/122:13:181
1210899140,10cyclictest0-21swapper/121:56:511
1210899140,10cyclictest0-21swapper/121:11:281
1210799149,3cyclictest0-21swapper/023:37:310
1210799145,3cyclictest31706-21kworker/0:022:39:250
12107991411,1cyclictest19583-21kworker/0:121:22:030
1210799140,10cyclictest0-21swapper/019:30:200
106262140,0sleep310617-21sshd23:53:433
3712130,0sleep20-21swapper/223:41:122
1211099134,1cyclictest39-21ksoftirqd/322:05:303
1211099130,12cyclictest0-21swapper/323:30:473
1210999138,4cyclictest4598-21sshd23:55:592
1210999138,2cyclictest0-21swapper/221:15:102
1210999131,1cyclictest0-21swapper/223:02:452
12109991311,1cyclictest0-21swapper/223:10:052
12109991311,1cyclictest0-21swapper/222:10:472
12109991311,1cyclictest0-21swapper/221:25:042
1210999130,3cyclictest0-21swapper/223:25:572
1210999130,1cyclictest16250-21bash22:50:472
1210899139,1cyclictest0-21swapper/123:35:481
1210899138,4cyclictest12892-21bash22:21:331
1210899138,3cyclictest0-21swapper/122:15:401
1210899138,1cyclictest0-21swapper/122:55:011
1210899138,1cyclictest0-21swapper/121:41:131
1210899138,1cyclictest0-21swapper/100:25:551
12108991312,1cyclictest21-21ksoftirqd/122:51:511
1210899131,1cyclictest115650irq/25-eth021:30:301
1210899131,1cyclictest115650irq/25-eth021:30:301
1210899130,9cyclictest0-21swapper/121:36:521
1210899130,1cyclictest0-21swapper/123:40:101
1210899130,1cyclictest0-21swapper/121:21:001
1210899130,12cyclictest6412-21sshd21:46:111
1210899130,12cyclictest0-21swapper/123:01:221
1210899130,12cyclictest0-21swapper/100:16:141
1210899130,10cyclictest0-21swapper/121:26:101
1210799138,2cyclictest0-21swapper/000:25:040
12107991311,2cyclictest28816-21kworker/0:019:55:230
12107991311,1cyclictest28816-21kworker/0:019:47:030
1211099121,2cyclictest0-21swapper/319:15:013
1210999129,2cyclictest0-21swapper/221:35:092
1210999129,2cyclictest0-21swapper/221:32:172
1210999129,2cyclictest0-21swapper/221:32:172
1210999129,2cyclictest0-21swapper/220:10:132
1210999127,4cyclictest0-21swapper/200:26:072
1210999122,1cyclictest9688-21sshd00:10:582
1210999122,1cyclictest0-21swapper/222:03:512
1210999120,1cyclictest0-21swapper/200:15:182
1210799129,1cyclictest28816-21kworker/0:021:01:250
1210799127,4cyclictest19803-21fschecks_time20:15:160
1210799127,1cyclictest28816-21kworker/0:020:20:390
12107991210,2cyclictest28816-21kworker/0:019:26:240
12107991210,2cyclictest28816-21kworker/0:019:22:260
12107991210,1cyclictest28816-21kworker/0:020:47:220
1210799120,9cyclictest1425-21cat20:40:000
115302120,0sleep21734-21runrttasks20:55:182
1211099119,1cyclictest381ktimersoftd/320:40:133
1211099110,10cyclictest11277-21grep20:55:153
1210999118,2cyclictest0-21swapper/220:30:142
12109991110,1cyclictest0-21swapper/220:18:512
1210999110,2cyclictest0-21swapper/219:30:132
1210999110,11cyclictest0-21swapper/219:45:302
12108991110,1cyclictest0-21swapper/119:36:221
1210899110,11cyclictest0-21swapper/120:37:561
1210899110,10cyclictest0-21swapper/121:05:211
1210899110,10cyclictest0-21swapper/120:20:131
1210799119,2cyclictest28816-21kworker/0:020:40:360
1210799119,1cyclictest28816-21kworker/0:019:12:220
1210799119,1cyclictest0-21swapper/019:15:010
1210799118,1cyclictest28816-21kworker/0:020:30:030
1210799116,1cyclictest28816-21kworker/0:020:06:270
1210799110,11cyclictest0-21swapper/020:58:380
1210799110,10cyclictest0-21swapper/021:05:130
1211099108,1cyclictest12857-21perl19:10:143
1211099108,1cyclictest0-21swapper/321:05:153
1211099100,9cyclictest10993-21smartctl20:00:163
1211099100,7cyclictest0-21swapper/319:25:423
1211099100,1cyclictest5304-21fschecks_time20:45:123
1211099100,1cyclictest381ktimersoftd/320:25:143
1211099100,1cyclictest22094-21apache_volume20:20:123
1210999109,1cyclictest0-21swapper/219:40:102
1210999108,1cyclictest31474-21diskstats20:35:132
1210999108,1cyclictest0-21swapper/221:05:142
1210999100,9cyclictest7990-21diskstats20:50:132
1210999100,9cyclictest0-21swapper/220:05:142
1210999100,9cyclictest0-21swapper/219:50:122
1210999100,1cyclictest19458-21perl19:20:152
1210999100,1cyclictest0-21swapper/220:25:152
1210999100,1cyclictest0-21swapper/219:15:022
1210999100,1cyclictest0-21swapper/219:11:362
1210899109,1cyclictest0-21swapper/120:11:331
1210899109,1cyclictest0-21swapper/119:23:211
1210899100,9cyclictest15635-21tune2fs19:15:031
1210899100,9cyclictest10898-21perl20:00:151
1210899100,9cyclictest0-21swapper/120:50:141
1210899100,9cyclictest0-21swapper/120:25:131
1210899100,9cyclictest0-21swapper/119:43:201
1210899100,1cyclictest22426-21fschecks_time19:25:141
1210899100,1cyclictest19762-21perl20:15:141
1210899100,10cyclictest0-21swapper/120:42:411
1210799109,1cyclictest28816-21kworker/0:020:00:550
1210799109,1cyclictest0-21swapper/019:54:240
1210799107,1cyclictest28816-21kworker/0:019:35:050
1210799100,6cyclictest0-21swapper/019:40:170
121109990,9cyclictest0-21swapper/320:30:143
121109990,6cyclictest0-21swapper/319:35:463
121099999,0cyclictest0-21swapper/220:45:212
121099998,1cyclictest0-21swapper/220:40:132
121099998,1cyclictest0-21swapper/220:04:122
121099997,1cyclictest300512chrt19:38:122
121099995,3cyclictest23623-21minicom19:29:542
121089998,1cyclictest0-21swapper/120:57:061
121089998,1cyclictest0-21swapper/120:32:491
121089998,1cyclictest0-21swapper/119:53:401
121089990,9cyclictest0-21swapper/120:45:121
121089990,9cyclictest0-21swapper/119:55:151
121079996,2cyclictest0-21swapper/020:10:170
121109987,1cyclictest0-21swapper/320:10:133
121109980,8cyclictest0-21swapper/319:32:423
121109980,7cyclictest0-21swapper/319:57:133
121109980,4cyclictest0-21swapper/320:50:233
121099986,1cyclictest14295-21conntrack21:00:142
121089987,1cyclictest0-21swapper/121:03:571
121089981,2cyclictest0-21swapper/119:10:111
121089980,8cyclictest0-21swapper/120:06:271
121109975,1cyclictest871-21taskset19:44:413
121109975,1cyclictest30973-21taskset20:35:003
121109975,1cyclictest2544-21munin-node19:45:193
121109971,3cyclictest0-21swapper/321:00:113
121109970,6cyclictest0-21swapper/320:05:143
121099970,6cyclictest0-21swapper/220:20:132
121089970,6cyclictest0-21swapper/119:45:111
121109966,0cyclictest381ktimersoftd/319:50:153
121089960,5cyclictest0-21swapper/119:30:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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