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2026-07-19 - 08:47
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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 Sun Jul 19, 2026 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155972780,0sleep00-21swapper/022:01:500
102452610,0sleep337-21rcuc/321:47:013
311262580,1sleep30-21swapper/322:17:303
288012570,0sleep00-21swapper/021:48:440
111082570,1sleep11734-21runrttasks22:32:551
238852560,0sleep123864-21sshd22:02:351
158302560,0sleep30-21swapper/322:27:363
95212550,0sleep39522-21sshd22:47:043
289072540,1sleep31734-21runrttasks22:14:303
252342540,1sleep00-21swapper/023:57:040
176782530,1sleep00-21swapper/023:53:350
179722520,1sleep10-21swapper/123:59:211
304892510,0sleep00-21swapper/022:51:450
243425126,8sleep20-21swapper/219:06:482
234225128,19sleep30-21swapper/319:06:213
227052510,0sleep30-21swapper/300:05:243
195522510,0sleep10-21swapper/120:30:131
276062500,0sleep10-21swapper/121:51:241
172722500,0sleep017258-21sshd22:56:180
106332500,1sleep010452-21diskmemload22:12:510
254024927,18sleep00-21swapper/019:07:170
243212490,2sleep0334099cyclictest23:37:000
228424926,19sleep10-21swapper/119:06:021
224022490,2sleep3334399cyclictest21:16:413
200712490,1sleep220047-21sshd22:33:442
232912480,0sleep10-21swapper/100:02:381
299412440,0sleep00-21swapper/023:46:010
222182440,0sleep10-21swapper/100:05:221
176642430,0sleep10-21swapper/123:45:031
174792430,0sleep30-21swapper/322:36:183
132632430,1sleep337-21rcuc/322:07:213
94302420,1sleep21734-21runrttasks22:06:592
246132330,0sleep20-21swapper/223:51:172
154632270,0sleep00-21swapper/000:25:000
3340992220,1cyclictest26074-21sshd23:42:520
334299210,1cyclictest0-21swapper/223:38:482
3341992119,1cyclictest28894-21sshd23:25:561
49302200,1sleep20-21swapper/200:18:172
3341992018,1cyclictest4697-21sshd23:40:571
334099199,4cyclictest2256-21kworker/0:122:36:250
61002180,0sleep30-21swapper/300:12:373
3341991815,1cyclictest10452-21diskmemload21:28:221
233142180,1sleep30-21swapper/300:28:323
217002180,0sleep20-21swapper/200:28:232
45792170,0sleep10-21swapper/100:32:341
334099179,5cyclictest0-21swapper/021:50:390
334099174,2cyclictest17059-21kworker/0:322:47:270
3340991715,2cyclictest2256-21kworker/0:122:32:210
179012170,0sleep3381ktimersoftd/323:27:543
91812160,0sleep20-21swapper/221:44:082
87562160,1sleep228-21rcuc/223:24:172
50892160,0sleep30-21swapper/321:52:183
334099169,6cyclictest0-21swapper/020:45:130
334099167,5cyclictest0-21swapper/022:25:120
3340991613,2cyclictest2256-21kworker/0:122:43:010
334099160,13cyclictest0-21swapper/022:23:560
334099160,13cyclictest0-21swapper/000:07:200
292482160,1sleep10-21swapper/123:23:101
268122160,0sleep010-21rcuc/023:14:250
251272160,0sleep125124-21sshd22:25:291
249782160,0sleep10-21swapper/122:05:261
216322160,0sleep221633-21sshd23:33:582
334399159,1cyclictest0-21swapper/322:01:463
334399158,3cyclictest17224-21sshd23:59:173
334399155,1cyclictest23511-21id21:42:293
334399155,1cyclictest14644-21sshd21:55:593
3343991513,1cyclictest39-21ksoftirqd/300:17:233
3343991511,1cyclictest19636-21sshd23:39:313
334299153,2cyclictest0-21swapper/223:40:172
3342991513,1cyclictest0-21swapper/222:41:292
3341991511,1cyclictest0-21swapper/121:20:001
334199150,14cyclictest0-21swapper/100:11:211
334099158,3cyclictest10452-21diskmemload00:35:070
334099152,1cyclictest0-21swapper/021:35:260
334099152,11cyclictest14805-21kworker/0:221:17:190
3340991512,3cyclictest30222-21kworker/0:200:25:170
334099150,6cyclictest11585-21sshd23:18:470
334099150,4cyclictest0-21swapper/021:34:480
334099150,4cyclictest0-21swapper/021:34:480
334099150,12cyclictest0-21swapper/023:30:160
334099150,12cyclictest0-21swapper/021:55:090
259772150,0sleep01511-21nfsd22:08:310
216782150,0sleep10-21swapper/100:19:481
112472150,0sleep111246-21bash22:44:241
334399149,2cyclictest0-21swapper/323:33:543
334399149,2cyclictest0-21swapper/323:01:203
334399148,5cyclictest0-21swapper/322:40:113
334399141,10cyclictest39-21ksoftirqd/322:55:113
334399140,13cyclictest0-21swapper/322:20:373
334399140,13cyclictest0-21swapper/321:21:193
334399140,13cyclictest0-21swapper/300:20:283
334399140,12cyclictest0-21swapper/300:39:313
334399140,11cyclictest22583-21sshd00:31:163
334299149,2cyclictest0-21swapper/223:26:542
334299141,2cyclictest0-21swapper/222:10:222
334299140,13cyclictest26998-21sshd22:02:512
334299140,13cyclictest0-21swapper/221:50:502
334299140,13cyclictest0-21swapper/221:48:322
334299140,13cyclictest0-21swapper/221:30:492
334299140,13cyclictest0-21swapper/221:30:492
334299140,13cyclictest0-21swapper/200:31:012
334199148,3cyclictest21229-21cp23:05:161
334199142,11cyclictest2042-21sshd21:43:301
334199140,1cyclictest22410-21bash22:39:401
334199140,13cyclictest9939-21sshd22:52:491
334199140,13cyclictest20938-21sshd21:59:301
334199140,13cyclictest0-21swapper/100:21:261
3340991412,2cyclictest25906-21kworker/0:321:42:210
334099140,3cyclictest19658-21sshd23:08:010
334099140,3cyclictest0-21swapper/000:10:540
334099140,1cyclictest19996-21sshd23:28:040
334099140,13cyclictest6612-21ntp_kernel_pll_22:15:190
334099140,13cyclictest0-21swapper/023:22:040
334099140,11cyclictest8236-21sshd23:01:140
334099140,11cyclictest1707-21bash21:23:280
334099140,11cyclictest14757-21sshd00:30:330
334099140,11cyclictest0-21swapper/021:26:110
248652140,0sleep310452-21diskmemload23:54:143
334399139,1cyclictest0-21swapper/323:09:113
334399138,4cyclictest27092-21bash23:11:303
3343991311,1cyclictest37-21rcuc/323:42:153
334399130,2cyclictest1478-21bash21:26:153
334399130,1cyclictest0-21swapper/300:01:303
334399130,12cyclictest9553-21sshd21:38:263
334399130,12cyclictest0-21swapper/323:15:363
334399130,12cyclictest0-21swapper/321:30:163
334399130,12cyclictest0-21swapper/321:30:163
334399130,10cyclictest0-21swapper/322:31:143
334299139,3cyclictest0-21swapper/222:48:272
334299138,4cyclictest17430-21bash21:36:122
334299138,4cyclictest0-21swapper/200:35:242
334299138,1cyclictest0-21swapper/223:49:402
334299133,9cyclictest5823-21sshd22:35:172
334299132,9cyclictest115650irq/25-eth022:52:082
334299131,11cyclictest0-21swapper/219:25:172
334299130,4cyclictest0-21swapper/221:11:422
334299130,2cyclictest17369-21sshd23:13:332
334299130,12cyclictest8671-21sshd21:58:232
334299130,12cyclictest5937-21sshd22:55:202
334299130,12cyclictest31289-21sshd00:23:292
334299130,12cyclictest29347-21bash21:25:492
334299130,12cyclictest115650irq/25-eth000:07:062
334299130,12cyclictest0-21swapper/223:02:562
334299130,12cyclictest0-21swapper/222:18:062
334299130,12cyclictest0-21swapper/221:15:182
334299130,12cyclictest0-21swapper/200:01:052
334299130,10cyclictest19984-21sshd00:10:562
334199139,1cyclictest0-21swapper/122:10:391
334199131,1cyclictest16799-21sshd23:30:341
3341991311,1cyclictest4539-21sshd21:37:591
3341991311,1cyclictest1511-21nfsd00:27:461
334199130,4cyclictest0-21swapper/123:52:521
334199130,2cyclictest0-21swapper/123:17:201
334199130,2cyclictest0-21swapper/121:30:451
334199130,2cyclictest0-21swapper/121:30:451
334199130,13cyclictest0-21swapper/123:38:521
334199130,12cyclictest31956-21sshd22:20:241
334199130,12cyclictest0-21swapper/122:55:121
334199130,12cyclictest0-21swapper/121:11:031
334199130,10cyclictest31993-21rm21:49:001
334199130,10cyclictest0-21swapper/121:22:201
334099131,11cyclictest6988-21sshd00:01:080
334099130,12cyclictest0-21swapper/021:10:200
334099130,11cyclictest0-21swapper/000:15:500
320072130,0sleep30-21swapper/323:20:293
334399129,2cyclictest0-21swapper/320:10:133
334399129,2cyclictest0-21swapper/320:05:113
334399120,1cyclictest37-21rcuc/322:50:123
334399120,1cyclictest0-21swapper/321:10:203
334399120,12cyclictest0-21swapper/321:01:163
334399120,11cyclictest21461-21sshd23:45:193
334299129,2cyclictest10651-21sshd23:07:122
334299128,2cyclictest115650irq/25-eth022:20:322
334299121,2cyclictest0-21swapper/219:15:172
334299121,10cyclictest0-21swapper/223:15:012
334299121,10cyclictest0-21swapper/222:25:282
334299121,10cyclictest0-21swapper/220:50:132
334299121,10cyclictest0-21swapper/220:45:132
3342991210,1cyclictest4512-21sshd21:23:452
334299120,1cyclictest5719-21sshd23:55:202
334199129,2cyclictest0-21swapper/122:19:411
334199129,2cyclictest0-21swapper/119:20:121
334199129,1cyclictest115650irq/25-eth022:45:071
3341991210,1cyclictest0-21swapper/100:35:031
334199120,11cyclictest0-21swapper/123:11:021
334199120,11cyclictest0-21swapper/123:03:011
334099127,2cyclictest14805-21kworker/0:220:57:150
334099127,1cyclictest14805-21kworker/0:220:44:010
334099126,1cyclictest14805-21kworker/0:219:17:120
334399111,9cyclictest0-21swapper/319:35:143
334399110,10cyclictest0-21swapper/320:40:163
334399110,10cyclictest0-21swapper/320:28:433
334299118,2cyclictest0-21swapper/219:30:142
334299110,1cyclictest0-21swapper/219:56:212
334299110,11cyclictest0-21swapper/220:32:292
334299110,11cyclictest0-21swapper/219:35:412
334299110,11cyclictest0-21swapper/219:14:392
334199119,1cyclictest0-21swapper/120:00:151
334199119,1cyclictest0-21swapper/119:45:161
334199115,6cyclictest0-21swapper/120:05:171
3341991110,1cyclictest0-21swapper/120:11:591
334199110,1cyclictest0-21swapper/119:32:231
334199110,11cyclictest0-21swapper/119:35:241
334199110,10cyclictest0-21swapper/120:35:151
334199110,10cyclictest0-21swapper/119:15:001
334099119,1cyclictest0-21swapper/020:50:140
334099117,2cyclictest14805-21kworker/0:219:21:260
334099116,4cyclictest14805-21kworker/0:219:25:520
334099116,4cyclictest0-21swapper/020:10:140
334099116,1cyclictest14805-21kworker/0:220:04:250
334099116,1cyclictest14805-21kworker/0:219:37:240
334099111,9cyclictest0-21swapper/021:05:160
334099110,1cyclictest0-21swapper/020:16:370
334099110,10cyclictest22701-21diskstats20:35:150
334099110,10cyclictest0-21swapper/020:24:240
334399109,1cyclictest0-21swapper/319:47:293
334399109,1cyclictest0-21swapper/319:24:303
334399109,1cyclictest0-21swapper/319:11:013
334399108,1cyclictest6727-21apache_volume19:15:023
334399108,1cyclictest31629-21diskstats20:50:143
334399108,1cyclictest2509-21perl20:55:153
334399108,1cyclictest13363-21expr19:25:153
334399100,9cyclictest2135-21perl20:00:143
334399100,9cyclictest0-21swapper/321:05:153
334399100,9cyclictest0-21swapper/320:45:123
334399100,9cyclictest0-21swapper/319:40:133
334399100,1cyclictest22262-21apache_volume20:35:133
334399100,1cyclictest15982-21apache_volume19:30:123
334399100,1cyclictest0-21swapper/320:20:143
334299108,1cyclictest8465-21perl21:05:152
334299108,1cyclictest0-21swapper/219:20:132
334299100,9cyclictest5191-21diskstats21:00:132
334299100,9cyclictest25571-21fschecks_time19:45:162
334299100,9cyclictest13334-21apache_volume20:20:132
334299100,9cyclictest0-21swapper/220:25:152
334299100,1cyclictest0-21swapper/220:36:192
334299100,1cyclictest0-21swapper/220:01:562
334299100,10cyclictest0-21swapper/220:16:552
334299100,10cyclictest0-21swapper/220:10:312
334199109,1cyclictest0-21swapper/119:55:371
334199100,9cyclictest0-21swapper/120:50:141
334199100,1cyclictest28861-21fschecks_time20:45:131
334199100,1cyclictest13699-21perl19:25:171
334199100,1cyclictest0-21swapper/119:50:021
334199100,10cyclictest0-21swapper/121:03:551
334199100,10cyclictest0-21swapper/120:20:131
334199100,10cyclictest0-21swapper/119:12:581
334099108,1cyclictest28650-21perl19:50:150
334099108,1cyclictest16422-21diskstats19:30:130
334099107,1cyclictest14805-21kworker/0:220:06:450
334099105,1cyclictest14805-21kworker/0:219:56:310
334099104,6cyclictest14805-21kworker/0:220:31:110
334099104,3cyclictest21910-21apache_accesses19:40:100
334099101,8cyclictest0-21swapper/019:45:120
334099100,1cyclictest0-21swapper/021:00:150
33439998,1cyclictest0-21swapper/320:30:113
33429997,1cyclictest0-21swapper/220:55:132
33419998,1cyclictest0-21swapper/121:08:481
33419990,9cyclictest0-21swapper/119:40:141
33409997,2cyclictest14805-21kworker/0:219:10:100
33409997,1cyclictest14805-21kworker/0:220:25:010
33439987,1cyclictest0-21swapper/320:18:373
33439987,1cyclictest0-21swapper/319:50:583
33439981,6cyclictest0-21swapper/319:55:153
33429987,1cyclictest0-21swapper/220:08:402
33429981,6cyclictest0-21swapper/220:40:132
33429981,6cyclictest0-21swapper/219:50:132
33429981,6cyclictest0-21swapper/219:40:132
33419987,1cyclictest0-21swapper/120:29:531
33419987,1cyclictest0-21swapper/120:15:151
33419977,0cyclictest0-21swapper/120:40:161
33419975,1cyclictest1743-21munin-node20:55:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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