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2026-03-25 - 12:57
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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 rackaslot0.osadl.org (updated Wed Mar 25, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2103821110,0sleep321037-21bash23:14:353
313852970,0sleep10-21swapper/100:05:051
180442950,2sleep21800199cyclictest23:05:332
169492870,0sleep01734-21runrttasks23:05:260
100702860,0sleep310056-21sshd23:54:223
77062820,0sleep37707-21sshd22:41:263
8412620,1sleep125197-21diskmemload23:15:341
227592620,0sleep222741-21sshd21:30:052
229102610,0sleep31734-21runrttasks23:35:063
206412600,0sleep10-21swapper/122:16:281
1761125924,18sleep10-21swapper/119:09:221
77942570,0sleep20-21swapper/223:42:222
75552570,0sleep10-21swapper/122:03:381
326482570,0sleep10-21swapper/121:16:211
76222560,0sleep225197-21diskmemload23:27:532
149552560,1sleep38-21rcu_preempt22:01:193
96032550,0sleep339-21ksoftirqd/322:32:563
289842550,2sleep228-21rcuc/222:34:432
230712550,1sleep323067-21sshd00:24:463
288382540,0sleep10-21swapper/122:49:131
261582540,0sleep30-21swapper/300:25:023
223122540,0sleep10-21swapper/121:56:081
188802540,0sleep01734-21runrttasks19:10:160
1738225331,18sleep00-21swapper/019:08:130
172072530,0sleep20-21swapper/222:24:582
107812530,0sleep010779-21sshd23:48:340
72692520,0sleep10-21swapper/123:24:591
54922520,0sleep30-21swapper/322:55:453
310262510,0sleep337-21rcuc/300:05:033
308402510,0sleep030839-21bash00:16:380
24202510,0sleep30-21swapper/321:10:433
171502510,0sleep30-21swapper/322:51:003
1680525126,20sleep20-21swapper/219:05:262
13952510,0sleep20-21swapper/222:46:412
311392500,1sleep119-21rcuc/122:52:171
140732500,1sleep01734-21runrttasks21:14:490
59532490,2sleep228-21rcuc/222:29:472
1717924926,19sleep30-21swapper/319:07:123
290912480,0sleep00-21swapper/021:42:090
254212480,0sleep20-21swapper/200:16:082
29022470,0sleep10-21swapper/121:34:051
67112460,0sleep20-21swapper/223:16:072
4022460,0sleep10-21swapper/121:13:331
206802450,0sleep20-21swapper/221:41:232
282012440,0sleep10-21swapper/100:10:291
25262370,1sleep12518-21sshd00:37:301
18000992725,1cyclictest3740-21sshd00:34:461
11282250,0sleep20-21swapper/221:16:272
255442230,1sleep11734-21runrttasks21:50:311
18002992319,1cyclictest0-21swapper/321:47:013
18002992119,1cyclictest28188-21sshd23:44:173
17999991917,1cyclictest7205-21sshd21:34:290
17999991917,1cyclictest6690-21sshd22:18:110
17999991917,1cyclictest23303-21sshd00:10:120
61082180,0sleep10-21swapper/100:29:041
18001991816,1cyclictest0-21swapper/223:57:282
18000991816,1cyclictest23951-21bash22:40:041
200772170,1sleep220064-21sshd00:09:542
18000991715,1cyclictest8872-21sshd23:51:141
1799999179,3cyclictest0-21swapper/023:01:330
137212170,1sleep113715-21sshd00:15:101
69432160,0sleep20-21swapper/223:13:182
45142160,1sleep00-21swapper/023:56:430
40462160,0sleep041ktimersoftd/021:28:230
308362160,0sleep20-21swapper/223:53:162
229082160,1sleep322903-21sshd23:46:413
18002991614,2cyclictest25197-21diskmemload22:05:193
1800299161,14cyclictest11741-21sshd23:02:103
18000991614,1cyclictest29439-21sshd23:41:231
1800099161,1cyclictest12253-21sshd22:21:311
1799999169,5cyclictest0-21swapper/022:14:220
17999991614,1cyclictest21528-21sshd00:24:380
17999991614,1cyclictest1676-21sshd22:09:000
1799999160,14cyclictest27573-21sshd23:26:430
94262150,0sleep00-21swapper/021:17:130
227812150,0sleep20-21swapper/200:21:452
185872150,2sleep1201ktimersoftd/123:11:241
1800299150,12cyclictest0-21swapper/321:52:393
18001991514,1cyclictest0-21swapper/200:26:432
18001991513,1cyclictest0-21swapper/200:02:002
1800099159,2cyclictest21919-21sshd21:35:411
1799999159,3cyclictest0-21swapper/023:20:390
1799999159,2cyclictest0-21swapper/021:38:120
1799999158,3cyclictest1907-21bash00:05:170
1799999158,3cyclictest0-21swapper/021:49:240
1799999158,2cyclictest937-21bash22:20:280
1799999157,3cyclictest21653-21sshd21:59:050
1799999152,5cyclictest0-21swapper/021:23:210
1799999152,1cyclictest0-21swapper/022:45:330
1799999151,2cyclictest0-21swapper/022:00:140
17999991511,4cyclictest6461-21kworker/0:100:25:190
1799999151,11cyclictest0-21swapper/000:37:440
1799999150,6cyclictest0-21swapper/022:35:450
1799999150,3cyclictest32200-21sshd23:44:400
1799999150,1cyclictest12905-21sshd23:19:400
1799999150,1cyclictest0-21swapper/000:34:420
1799999150,14cyclictest0-21swapper/023:13:190
1799999150,11cyclictest27790-21bash23:50:080
1799999150,11cyclictest0-21swapper/000:02:340
113352150,0sleep211321-21sshd23:45:342
247642140,1sleep21734-21runrttasks21:53:292
1800299149,4cyclictest0-21swapper/323:30:163
1800299149,4cyclictest0-21swapper/300:33:233
1800299148,4cyclictest0-21swapper/300:17:263
18002991413,1cyclictest0-21swapper/323:22:493
18002991412,1cyclictest29439-21sshd21:19:043
1800299140,2cyclictest30978-21sshd21:36:323
1800299140,13cyclictest29305-21sshd00:04:553
1800199144,9cyclictest14369-21sshd23:02:242
18001991413,1cyclictest0-21swapper/221:58:232
1800099149,4cyclictest0-21swapper/123:56:221
1800099149,2cyclictest26376-21sshd22:05:181
1800099149,2cyclictest0-21swapper/122:29:301
1800099149,1cyclictest28240-21bash00:01:501
1800099149,1cyclictest0-21swapper/122:35:511
1800099149,1cyclictest0-21swapper/121:23:161
1800099148,5cyclictest0-21swapper/123:25:581
1800099148,5cyclictest0-21swapper/121:40:061
18000991413,1cyclictest18707-21sshd21:26:451
1800099141,1cyclictest8533-21sshd22:32:501
1800099140,2cyclictest0-21swapper/122:14:471
1800099140,1cyclictest0-21swapper/100:23:521
1800099140,12cyclictest0-21swapper/121:46:341
1799999149,4cyclictest0-21swapper/023:36:310
1799999148,3cyclictest25179-21sshd22:28:350
1799999147,6cyclictest0-21swapper/022:40:370
1799999147,4cyclictest0-21swapper/023:31:150
17999991412,1cyclictest0-21swapper/022:31:350
1799999140,9cyclictest0-21swapper/022:57:280
1799999140,2cyclictest22860-21cp21:50:200
1800299138,4cyclictest1596-21sshd23:26:103
1800299138,4cyclictest0-21swapper/300:36:063
1800299138,2cyclictest7804-21sshd22:47:173
1800299131,11cyclictest0-21swapper/321:20:123
1800299130,4cyclictest0-21swapper/321:31:153
1800299130,12cyclictest9412-21bash23:16:213
1800299130,12cyclictest27603-21sshd22:20:043
1800299130,12cyclictest23147-21perl21:05:173
1800299130,12cyclictest0-21swapper/323:59:493
1800299130,12cyclictest0-21swapper/322:26:433
1800299130,12cyclictest0-21swapper/322:12:003
1800199139,1cyclictest0-21swapper/221:35:422
1800199138,4cyclictest13241-21bash21:46:312
1800199138,4cyclictest0-21swapper/222:36:072
1800199130,2cyclictest3715-21sshd22:06:092
1800199130,12cyclictest24651-21sshd21:27:182
1800199130,12cyclictest0-21swapper/223:33:072
1800199130,12cyclictest0-21swapper/200:36:412
1800199130,10cyclictest32313-21sshd21:10:292
1800099138,4cyclictest22244-21sshd22:57:171
18000991311,1cyclictest20801-21sshd23:08:471
1800099131,11cyclictest0-21swapper/123:00:071
1800099130,4cyclictest4272-21sshd23:45:041
1800099130,1cyclictest10441-21sshd23:31:001
1799999139,3cyclictest0-21swapper/022:50:440
1799999136,7cyclictest0-21swapper/019:29:330
1799999134,6cyclictest22391-21apache_volume21:05:140
322132120,0sleep20-21swapper/200:31:222
184362120,0sleep11734-21runrttasks20:56:341
1800299129,2cyclictest0-21swapper/323:05:033
1800299129,2cyclictest0-21swapper/321:55:253
1800299128,1cyclictest22501-21cp21:27:063
18002991210,1cyclictest9667-21sshd21:43:213
1800299120,9cyclictest0-21swapper/300:11:303
1800299120,3cyclictest17724-21sshd22:36:323
1800299120,1cyclictest0-21swapper/322:17:513
1800199129,2cyclictest0-21swapper/222:51:572
1800199129,1cyclictest115650irq/25-eth022:57:302
1800199128,3cyclictest0-21swapper/223:20:272
1800199126,5cyclictest31466-21sshd22:11:362
1800199122,1cyclictest31677-21sshd22:02:512
18001991210,1cyclictest7183-21sshd00:11:352
18001991210,1cyclictest23208-21sshd23:35:072
1800199120,3cyclictest14809-21sshd22:18:542
1800099129,2cyclictest3351-21id23:36:091
1800099129,2cyclictest0-21swapper/119:10:141
1799999129,2cyclictest0-21swapper/020:40:150
1799999129,2cyclictest0-21swapper/020:40:150
1799999120,6cyclictest0-21swapper/020:20:120
122632120,0sleep01734-21runrttasks20:45:290
1800299119,1cyclictest0-21swapper/320:45:143
1800299111,1cyclictest21305-21tr19:15:023
1800299110,11cyclictest0-21swapper/320:59:063
1800299110,11cyclictest0-21swapper/320:20:523
1800299110,11cyclictest0-21swapper/320:10:383
1800299110,11cyclictest0-21swapper/319:55:323
1800299110,11cyclictest0-21swapper/319:45:333
1800299110,10cyclictest0-21swapper/319:20:133
1800199110,10cyclictest0-21swapper/222:40:012
1800199110,10cyclictest0-21swapper/221:20:282
1800199110,10cyclictest0-21swapper/220:40:142
1800199110,10cyclictest0-21swapper/220:40:142
1800199110,10cyclictest0-21swapper/220:30:152
1800099119,1cyclictest1579-21snmpd20:10:191
1800099119,1cyclictest0-21swapper/121:05:161
1800099119,1cyclictest0-21swapper/120:30:161
1800099118,3cyclictest0-21swapper/119:45:081
1800099111,1cyclictest0-21swapper/120:05:151
1800099110,2cyclictest0-21swapper/119:40:141
1800099110,11cyclictest0-21swapper/119:21:461
1799999114,4cyclictest0-21swapper/020:55:200
1799999110,9cyclictest0-21swapper/019:35:140
1799999110,8cyclictest0-21swapper/019:15:200
1799999110,1cyclictest0-21swapper/020:25:160
1799999110,10cyclictest20181-21perl21:00:150
1800299109,1cyclictest0-21swapper/320:54:273
1800299109,1cyclictest0-21swapper/320:34:203
1800299109,1cyclictest0-21swapper/320:19:143
1800299109,1cyclictest0-21swapper/319:44:583
1800299108,1cyclictest20102-21tune2fs21:00:153
1800299100,9cyclictest31399-21diskstats20:25:133
1800299100,9cyclictest0-21swapper/320:00:123
1800299100,10cyclictest0-21swapper/319:28:013
1800199109,1cyclictest0-21swapper/220:59:442
1800199109,1cyclictest0-21swapper/219:30:592
1800199109,1cyclictest0-21swapper/219:22:022
1800199100,9cyclictest0-21swapper/221:00:152
1800199100,9cyclictest0-21swapper/220:00:152
1800199100,9cyclictest0-21swapper/219:53:242
1800199100,1cyclictest0-21swapper/219:15:012
1800199100,1cyclictest0-21swapper/219:10:152
1800199100,10cyclictest0-21swapper/221:06:422
1800199100,10cyclictest0-21swapper/220:47:452
1800199100,10cyclictest0-21swapper/220:26:292
1800199100,10cyclictest0-21swapper/220:10:422
1800199100,10cyclictest0-21swapper/219:59:322
1800199100,10cyclictest0-21swapper/219:29:422
1800099109,1cyclictest0-21swapper/119:56:241
1800099108,1cyclictest10568-21diskstats19:50:141
1800099100,9cyclictest31763-21smartctl20:25:161
1800099100,9cyclictest10462-21apache_volume20:45:111
1800099100,9cyclictest0-21swapper/119:30:141
1800099100,1cyclictest21047-21df_abs19:15:001
1800099100,1cyclictest0-21swapper/120:40:141
1800099100,1cyclictest0-21swapper/120:40:141
1800099100,10cyclictest0-21swapper/120:50:591
1800099100,10cyclictest0-21swapper/120:02:261
1800099100,10cyclictest0-21swapper/119:25:081
1799999109,1cyclictest0-21swapper/020:00:590
1799999104,3cyclictest20374-21open_files20:05:200
1799999102,4cyclictest0-21swapper/019:20:110
1799999100,9cyclictest7938-21fw_forwarded_lo19:45:140
1799999100,9cyclictest0-21swapper/020:35:130
1799999100,9cyclictest0-21swapper/020:35:130
1799999100,9cyclictest0-21swapper/020:30:140
1799999100,7cyclictest14462-21memory20:50:180
1799999100,1cyclictest10569-21diskstats19:50:130
1799999100,1cyclictest0-21swapper/019:30:140
1799999100,10cyclictest0-21swapper/020:16:330
180029998,1cyclictest0-21swapper/320:35:523
180029998,1cyclictest0-21swapper/320:35:523
180029998,1cyclictest0-21swapper/319:50:053
180019998,1cyclictest0-21swapper/220:22:532
180019998,1cyclictest0-21swapper/219:48:592
180019998,1cyclictest0-21swapper/219:40:152
180019990,9cyclictest0-21swapper/220:05:142
180019990,1cyclictest0-21swapper/219:35:162
180009997,1cyclictest0-21swapper/119:35:151
180009990,9cyclictest0-21swapper/121:00:141
179999991,5cyclictest0-21swapper/019:55:130
179999990,9cyclictest0-21swapper/019:40:130
179999990,5cyclictest0-21swapper/020:10:250
180029987,1cyclictest0-21swapper/319:13:583
180019988,0cyclictest14228-21conntrack20:50:152
180009988,0cyclictest0-21swapper/120:35:191
180009988,0cyclictest0-21swapper/120:35:191
180029976,1cyclictest0-21swapper/319:30:413
180029975,1cyclictest7485-21munin-node20:40:133
180029975,1cyclictest7485-21munin-node20:40:133
180029970,6cyclictest0-21swapper/319:35:203
180019976,1cyclictest0-21swapper/220:36:292
180019976,1cyclictest0-21swapper/220:36:292
180019970,3cyclictest0-21swapper/220:15:142
180009975,1cyclictest28580-21fschecks_count20:20:151
180009971,5cyclictest0-21swapper/120:15:101
180029964,1cyclictest19393-21cstates20:05:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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