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2026-08-07 - 12:34
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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 rack1slot1.osadl.org (updated Fri Aug 07, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168132235158,25sleep20-21swapper/219:08:142
168222206152,20sleep10-21swapper/119:08:221
166082200162,24sleep00-21swapper/019:05:350
167792198159,25sleep30-21swapper/319:07:473
20142690,0sleep22018-21needreboot20:50:152
17055991818,0cyclictest35-21ksoftirqd/321:20:233
1705599179,5cyclictest35-21ksoftirqd/320:00:013
171142160,0sleep10-21swapper/121:19:251
171582150,0sleep310156-21diskmemload22:50:153
17055991515,0cyclictest35-21ksoftirqd/322:18:273
17055991515,0cyclictest35-21ksoftirqd/322:03:253
17055991515,0cyclictest35-21ksoftirqd/321:56:063
17037991515,0cyclictest9-21ksoftirqd/022:37:060
17037991515,0cyclictest9-21ksoftirqd/021:34:260
17037991514,1cyclictest9-21ksoftirqd/000:25:130
1703799150,1cyclictest4754-21ssh00:05:110
17055991414,0cyclictest35-21ksoftirqd/323:32:523
17055991414,0cyclictest35-21ksoftirqd/322:45:233
17037991414,0cyclictest9-21ksoftirqd/022:32:460
17037991414,0cyclictest9-21ksoftirqd/022:20:350
17037991414,0cyclictest9-21ksoftirqd/021:45:220
17037991413,1cyclictest9-21ksoftirqd/022:47:390
1705599138,3cyclictest35-21ksoftirqd/323:43:393
17055991313,0cyclictest35-21ksoftirqd/323:06:433
17055991313,0cyclictest35-21ksoftirqd/322:55:373
17055991313,0cyclictest35-21ksoftirqd/321:51:083
17055991313,0cyclictest35-21ksoftirqd/321:48:553
17055991313,0cyclictest35-21ksoftirqd/300:39:333
17055991312,1cyclictest35-21ksoftirqd/323:13:493
17055991312,1cyclictest35-21ksoftirqd/321:16:353
17055991312,1cyclictest35-21ksoftirqd/321:10:013
17047991312,1cyclictest28-21ksoftirqd/219:55:012
1704799130,1cyclictest0-21swapper/200:05:112
1703999130,12cyclictest0-21swapper/120:35:161
17037991313,0cyclictest9-21ksoftirqd/023:03:370
17037991312,1cyclictest9-21ksoftirqd/021:25:120
1705599126,6cyclictest35-21ksoftirqd/323:27:183
17055991212,0cyclictest35-21ksoftirqd/322:30:193
17055991212,0cyclictest35-21ksoftirqd/322:25:323
17055991212,0cyclictest35-21ksoftirqd/322:10:203
17055991212,0cyclictest35-21ksoftirqd/321:43:383
17055991212,0cyclictest35-21ksoftirqd/321:36:533
17055991212,0cyclictest35-21ksoftirqd/300:23:533
17055991212,0cyclictest35-21ksoftirqd/300:07:063
17055991212,0cyclictest35-21ksoftirqd/300:01:223
17055991211,1cyclictest35-21ksoftirqd/322:35:533
17055991210,1cyclictest35-21ksoftirqd/322:20:193
1703799129,2cyclictest22424-21apt19:20:000
1703799128,4cyclictest9-21ksoftirqd/023:28:330
1703799127,5cyclictest9-21ksoftirqd/022:19:020
17037991212,0cyclictest9-21ksoftirqd/023:50:530
17037991212,0cyclictest9-21ksoftirqd/023:10:520
17037991212,0cyclictest9-21ksoftirqd/022:52:360
17037991212,0cyclictest9-21ksoftirqd/022:41:400
17037991212,0cyclictest9-21ksoftirqd/022:27:500
17037991212,0cyclictest9-21ksoftirqd/022:02:100
17037991212,0cyclictest9-21ksoftirqd/021:35:340
17037991212,0cyclictest9-21ksoftirqd/000:36:460
17037991212,0cyclictest9-21ksoftirqd/000:31:370
1705599119,1cyclictest35-21ksoftirqd/323:54:593
1705599119,1cyclictest35-21ksoftirqd/323:50:143
1705599119,1cyclictest35-21ksoftirqd/320:15:193
1705599119,1cyclictest35-21ksoftirqd/319:40:173
1705599114,7cyclictest35-21ksoftirqd/322:40:203
17055991111,0cyclictest35-21ksoftirqd/323:49:153
17055991111,0cyclictest35-21ksoftirqd/323:00:173
17055991111,0cyclictest35-21ksoftirqd/300:14:293
17055991110,1cyclictest35-21ksoftirqd/323:15:243
17055991110,1cyclictest35-21ksoftirqd/322:05:163
17055991110,1cyclictest35-21ksoftirqd/321:30:593
17055991110,1cyclictest35-21ksoftirqd/320:50:113
17055991110,1cyclictest35-21ksoftirqd/320:10:013
17055991110,1cyclictest35-21ksoftirqd/319:50:153
17055991110,1cyclictest35-21ksoftirqd/319:40:003
17055991110,1cyclictest35-21ksoftirqd/319:20:203
17055991110,1cyclictest35-21ksoftirqd/300:30:013
17055991110,1cyclictest35-21ksoftirqd/300:25:223
1705599111,7cyclictest341rcuc/320:30:153
1703799117,4cyclictest9-21ksoftirqd/021:18:250
1703799117,3cyclictest9-21ksoftirqd/000:17:040
17037991111,0cyclictest9-21ksoftirqd/023:24:070
17037991111,0cyclictest9-21ksoftirqd/022:12:290
17037991111,0cyclictest9-21ksoftirqd/022:07:100
17037991111,0cyclictest9-21ksoftirqd/000:23:180
17037991110,1cyclictest9-21ksoftirqd/023:30:140
17037991110,0cyclictest9-21ksoftirqd/023:35:180
1705599109,1cyclictest35-21ksoftirqd/321:25:133
1705599109,1cyclictest35-21ksoftirqd/320:55:173
1705599109,1cyclictest35-21ksoftirqd/320:40:113
1705599109,1cyclictest35-21ksoftirqd/320:25:113
1705599109,1cyclictest35-21ksoftirqd/320:10:193
1705599109,1cyclictest35-21ksoftirqd/320:00:153
1705599109,1cyclictest35-21ksoftirqd/319:15:123
1705599109,1cyclictest35-21ksoftirqd/319:10:203
1705599108,1cyclictest35-21ksoftirqd/321:10:023
1705599107,2cyclictest16565-21df_inode23:35:133
1705599104,6cyclictest35-21ksoftirqd/323:20:193
1705599101,8cyclictest341rcuc/320:50:013
1705599101,8cyclictest341rcuc/319:30:163
1703799109,1cyclictest9-21ksoftirqd/022:55:120
1703799109,1cyclictest9-21ksoftirqd/021:08:010
1703799109,1cyclictest9-21ksoftirqd/020:40:100
1703799109,1cyclictest9-21ksoftirqd/020:30:120
1703799109,1cyclictest9-21ksoftirqd/019:35:110
1703799109,1cyclictest9-21ksoftirqd/019:30:120
1703799108,1cyclictest23129-21apt-get23:45:120
1703799107,2cyclictest0-21swapper/023:40:140
1703799106,4cyclictest9-21ksoftirqd/023:15:260
1703799103,7cyclictest9-21ksoftirqd/019:22:170
17037991010,0cyclictest9-21ksoftirqd/023:55:230
17037991010,0cyclictest9-21ksoftirqd/000:12:220
17037991010,0cyclictest9-21ksoftirqd/000:01:330
170559999,0cyclictest35-21ksoftirqd/319:45:103
170559999,0cyclictest35-21ksoftirqd/300:15:033
170559998,1cyclictest35-21ksoftirqd/321:00:203
170559998,1cyclictest35-21ksoftirqd/320:35:163
170559990,8cyclictest341rcuc/320:20:113
170479999,0cyclictest0-21swapper/221:58:012
170479990,8cyclictest0-21swapper/223:13:472
170379998,1cyclictest9-21ksoftirqd/023:07:340
170379998,1cyclictest9-21ksoftirqd/021:58:130
170379998,1cyclictest9-21ksoftirqd/021:50:150
170379998,1cyclictest9-21ksoftirqd/021:10:250
170379998,1cyclictest9-21ksoftirqd/020:10:000
170379998,1cyclictest9-21ksoftirqd/020:00:130
170379998,0cyclictest9-21ksoftirqd/021:00:120
170379997,1cyclictest9-21ksoftirqd/021:20:170
170379994,0cyclictest9-21ksoftirqd/021:40:100
170379992,7cyclictest9-21ksoftirqd/020:16:130
170379992,7cyclictest9-21ksoftirqd/019:43:380
170379992,7cyclictest9-21ksoftirqd/019:25:120
170379991,1cyclictest6745-21sh19:55:010
170379990,8cyclictest101rcuc/020:05:150
170379990,1cyclictest9-21ksoftirqd/019:10:480
170559980,3cyclictest35-21ksoftirqd/319:25:123
170479987,1cyclictest10531-21ntp_states20:00:192
170479986,1cyclictest61650irq/122-eno123:40:152
170479986,1cyclictest61650irq/122-eno122:15:132
170479986,1cyclictest28-21ksoftirqd/223:00:392
170479980,3cyclictest0-21swapper/220:10:112
170399980,7cyclictest0-21swapper/122:45:141
170399980,2cyclictest0-21swapper/121:40:121
170399980,1cyclictest0-21swapper/121:58:241
170379987,1cyclictest9-21ksoftirqd/020:45:120
170379986,1cyclictest9-21ksoftirqd/020:50:130
170379980,8cyclictest9-21ksoftirqd/020:55:020
170379980,8cyclictest9-21ksoftirqd/020:35:060
170379980,8cyclictest9-21ksoftirqd/020:25:060
170379980,8cyclictest9-21ksoftirqd/020:21:430
170379980,8cyclictest9-21ksoftirqd/019:45:150
170379980,0cyclictest9-21ksoftirqd/019:55:020
170479976,1cyclictest61650irq/122-eno123:25:152
170479976,1cyclictest61650irq/122-eno123:05:142
170479976,1cyclictest61650irq/122-eno122:44:402
170479976,1cyclictest61650irq/122-eno121:45:012
170479976,1cyclictest28-21ksoftirqd/221:50:012
170479976,1cyclictest28-21ksoftirqd/221:10:012
170479976,0cyclictest61650irq/122-eno123:59:132
170479976,0cyclictest61650irq/122-eno122:25:022
170479976,0cyclictest61650irq/122-eno121:35:172
170479976,0cyclictest61650irq/122-eno100:21:512
170479975,1cyclictest61650irq/122-eno122:45:182
170479975,1cyclictest61650irq/122-eno121:05:012
170479975,1cyclictest61650irq/122-eno120:39:592
170479975,1cyclictest61650irq/122-eno120:30:162
170479975,1cyclictest18627-21ntpq22:05:182
170479975,1cyclictest12094-21cpuspeed_turbos00:15:142
170479975,1cyclictest11301-21snmpd19:25:102
170479973,2cyclictest548-21systemd-logind23:45:202
170479970,7cyclictest0-21swapper/219:22:132
170479970,5cyclictest1747-21ntpd22:57:322
170479970,5cyclictest0-21swapper/223:18:402
170479970,1cyclictest6130-21apt-get22:35:102
170479970,1cyclictest37032sleep200:02:362
170399976,1cyclictest0-21swapper/123:36:431
170399972,2cyclictest0-21swapper/122:22:001
170399971,6cyclictest0-21swapper/122:38:261
170399970,6cyclictest0-21swapper/123:18:541
170399970,5cyclictest0-21swapper/121:25:201
170399970,4cyclictest0-21swapper/122:12:001
170399970,4cyclictest0-21swapper/119:20:151
170399970,1cyclictest0-21swapper/123:11:571
170399970,1cyclictest0-21swapper/121:13:381
170479966,0cyclictest61650irq/122-eno123:53:052
170479966,0cyclictest61650irq/122-eno123:35:012
170479966,0cyclictest61650irq/122-eno123:30:312
170479966,0cyclictest61650irq/122-eno122:50:132
170479966,0cyclictest61650irq/122-eno122:30:252
170479966,0cyclictest61650irq/122-eno122:20:152
170479966,0cyclictest61650irq/122-eno122:00:102
170479966,0cyclictest61650irq/122-eno121:50:072
170479966,0cyclictest61650irq/122-eno121:20:212
170479966,0cyclictest61650irq/122-eno121:15:142
170479966,0cyclictest61650irq/122-eno121:12:152
170479966,0cyclictest61650irq/122-eno120:45:142
170479966,0cyclictest61650irq/122-eno120:43:442
170479966,0cyclictest61650irq/122-eno120:21:202
170479966,0cyclictest61650irq/122-eno119:45:122
170479966,0cyclictest61650irq/122-eno119:44:362
170479966,0cyclictest61650irq/122-eno119:39:082
170479966,0cyclictest61650irq/122-eno100:30:012
170479966,0cyclictest61650irq/122-eno100:25:182
170479966,0cyclictest61650irq/122-eno100:10:172
170479965,1cyclictest61650irq/122-eno123:20:092
170479965,1cyclictest61650irq/122-eno122:10:162
170479965,1cyclictest61650irq/122-eno121:30:212
170479965,1cyclictest61650irq/122-eno120:25:132
170479965,1cyclictest28-21ksoftirqd/221:25:232
170479963,2cyclictest8652-21grep19:55:202
170479961,3cyclictest10156-21diskmemload00:35:132
170479960,6cyclictest0-21swapper/219:10:292
170399961,3cyclictest0-21swapper/121:10:011
170399961,3cyclictest0-21swapper/120:25:121
170399961,2cyclictest0-21swapper/123:05:121
170399960,6cyclictest0-21swapper/123:56:091
170399960,6cyclictest0-21swapper/123:47:111
170399960,6cyclictest0-21swapper/123:32:261
170399960,6cyclictest0-21swapper/122:29:051
170399960,6cyclictest0-21swapper/121:50:091
170399960,6cyclictest0-21swapper/121:37:151
170399960,6cyclictest0-21swapper/121:00:141
170399960,6cyclictest0-21swapper/120:57:371
170399960,6cyclictest0-21swapper/119:38:481
170399960,6cyclictest0-21swapper/119:27:381
170399960,6cyclictest0-21swapper/100:04:381
170399960,5cyclictest0-21swapper/122:50:471
170399960,5cyclictest0-21swapper/122:01:401
170399960,5cyclictest0-21swapper/120:45:261
170399960,5cyclictest0-21swapper/120:03:191
170399960,5cyclictest0-21swapper/100:35:301
170399960,4cyclictest0-21swapper/123:23:011
170399960,4cyclictest0-21swapper/120:10:111
170399960,4cyclictest0-21swapper/100:34:101
170399960,4cyclictest0-21swapper/100:11:461
170399960,3cyclictest0-21swapper/119:55:121
170399960,3cyclictest0-21swapper/100:27:461
170399960,3cyclictest0-21swapper/100:15:141
170399960,2cyclictest0-21swapper/121:33:571
170399960,1cyclictest0-21swapper/122:55:121
170399960,1cyclictest0-21swapper/122:42:321
170399960,1cyclictest0-21swapper/122:15:101
170399960,1cyclictest0-21swapper/122:05:111
170479955,0cyclictest61650irq/122-eno120:55:042
170479955,0cyclictest61650irq/122-eno120:15:012
170479955,0cyclictest61650irq/122-eno120:06:492
170479955,0cyclictest61650irq/122-eno119:15:122
170479951,1cyclictest240-21systemd-journal19:30:012
170399951,3cyclictest0-21swapper/123:25:141
170399951,2cyclictest0-21swapper/120:50:181
170399950,5cyclictest0-21swapper/123:40:101
170399950,5cyclictest0-21swapper/120:16:091
170399950,5cyclictest0-21swapper/100:20:161
170399950,2cyclictest0-21swapper/123:00:041
170399950,2cyclictest0-21swapper/122:31:041
170399950,2cyclictest0-21swapper/121:45:281
170399950,2cyclictest0-21swapper/121:20:171
170399950,1cyclictest0-21swapper/120:32:091
170399950,1cyclictest0-21swapper/100:05:321
170399950,0cyclictest0-21swapper/123:51:091
170399950,0cyclictest0-21swapper/120:44:091
29051241,1sleep10-21swapper/119:30:211
170399944,0cyclictest0-21swapper/119:11:141
170399940,4cyclictest0-21swapper/120:09:561
170399940,2cyclictest0-21swapper/120:20:111
170399940,2cyclictest0-21swapper/119:15:001
170399940,1cyclictest0-21swapper/119:50:201
170399940,1cyclictest0-21swapper/119:40:071
170399931,1cyclictest0-21swapper/119:45:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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