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2025-12-29 - 19:03
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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 rackcslot2.osadl.org (updated Mon Dec 29, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
206626957,8sleep10-21swapper/107:08:391
213126855,8sleep00-21swapper/007:09:200
8492660,0sleep00-21swapper/012:14:570
219023528,4sleep10-21swapper/107:09:551
2370993030,0cyclictest0-21swapper/010:35:490
237199289,18cyclictest0-21swapper/110:07:381
2371992826,1cyclictest0-21swapper/110:18:431
237099271,25cyclictest16319-21diskmemload11:10:590
237099270,2cyclictest0-21swapper/010:05:110
237199266,19cyclictest0-21swapper/112:18:201
2371992610,3cyclictest0-21swapper/108:15:111
2370992610,7cyclictest0-21swapper/008:55:080
2371992520,4cyclictest29732-21ssh11:28:571
2371992515,6cyclictest12260-21apache210:52:461
2371992510,1cyclictest0-21swapper/111:41:471
2370992520,2cyclictest1199-21runrttasks11:42:450
2370992510,8cyclictest0-21swapper/010:14:010
2370992410,6cyclictest81ktimersoftd/011:25:280
84922310,3sleep10-21swapper/111:33:061
2371992321,1cyclictest0-21swapper/111:04:271
2371992319,3cyclictest11467-21pmu-power08:55:141
2371992312,10cyclictest0-21swapper/110:04:141
237099232,12cyclictest100250irq/107-eth1-rx11:23:120
237099232,12cyclictest0-21swapper/012:30:090
2370992311,1cyclictest0-21swapper/007:10:110
237199222,13cyclictest0-21swapper/111:46:311
2371992221,0cyclictest0-21swapper/109:54:281
2371992220,1cyclictest21271-21ssh11:59:371
2371992219,2cyclictest770-21irqbalance07:32:051
2371992212,7cyclictest19294-1kworker/u5:109:58:561
2371992211,6cyclictest8896-21ls07:25:121
2371992211,11cyclictest0-21swapper/109:41:481
2371992210,5cyclictest0-21swapper/111:16:371
2371992210,4cyclictest0-21swapper/111:24:371
2371992210,2cyclictest0-21swapper/111:50:091
237199220,21cyclictest3477-21ssh11:35:291
237099222,19cyclictest0-21swapper/008:17:030
2370992216,5cyclictest12260-21apache209:35:050
2370992210,8cyclictest0-21swapper/011:55:110
2370992210,6cyclictest0-21swapper/009:43:490
2370992210,6cyclictest0-21swapper/008:25:150
2370992210,4cyclictest0-21swapper/009:59:590
2370992210,10cyclictest0-21swapper/011:00:400
237099220,5cyclictest0-21swapper/008:10:080
237099220,0cyclictest0-21swapper/009:19:120
2785822110,0sleep10-21swapper/112:07:051
237199215,11cyclictest0-21swapper/112:00:141
237199214,6cyclictest0-21swapper/112:25:141
237199212,9cyclictest0-21swapper/109:30:171
237199212,18cyclictest0-21swapper/109:27:521
2371992119,2cyclictest8610-21sleep08:54:501
237199211,1cyclictest24250-21/usr/sbin/munin08:05:091
2371992110,6cyclictest0-21swapper/112:20:071
2371992110,4cyclictest0-21swapper/108:00:111
237199210,10cyclictest0-21swapper/110:35:061
237099214,16cyclictest0-21swapper/010:25:160
2370992115,3cyclictest0-21swapper/009:14:070
2370992115,2cyclictest6022-21sensors_temp12:20:150
2370992110,6cyclictest0-21swapper/008:45:060
237199206,6cyclictest2996-21apache_processe08:35:071
237199204,8cyclictest0-21swapper/109:00:061
2371992010,7cyclictest0-21swapper/112:35:511
2371992010,6cyclictest0-21swapper/110:20:101
2371992010,4cyclictest0-21swapper/107:55:071
2371992010,3cyclictest0-21swapper/111:05:351
2371992010,3cyclictest0-21swapper/110:44:561
237199200,19cyclictest0-21swapper/110:41:521
237199200,15cyclictest16319-21diskmemload09:47:121
237099206,13cyclictest11603-21watchprog-snmpd11:45:540
2370992018,1cyclictest81ktimersoftd/010:58:510
2370992011,3cyclictest10261-21cstates07:30:070
2370992010,5cyclictest0-21swapper/009:26:240
2370992010,5cyclictest0-21swapper/008:06:200
2370992010,4cyclictest0-21swapper/010:46:460
2370992010,2cyclictest2254-21grep08:30:170
2370992010,1cyclictest0-21swapper/011:35:090
237199195,8cyclictest0-21swapper/107:34:541
237199192,12cyclictest0-21swapper/111:10:071
237199192,11cyclictest0-21swapper/107:15:101
2371991914,2cyclictest12260-21apache208:14:301
2371991910,7cyclictest0-21swapper/110:31:351
2371991910,6cyclictest0-21swapper/109:12:011
2371991910,5cyclictest0-21swapper/112:31:451
2371991910,5cyclictest0-21swapper/109:35:161
237099194,7cyclictest0-21swapper/009:30:080
237099193,8cyclictest0-21swapper/010:40:130
2370991916,0cyclictest0-21swapper/012:11:110
2370991911,4cyclictest0-21swapper/009:50:150
2370991910,5cyclictest0-21swapper/012:05:080
2370991910,4cyclictest0-21swapper/008:50:140
2370991910,3cyclictest0-21swapper/012:25:460
2370991910,3cyclictest0-21swapper/007:58:200
2370991910,2cyclictest0-21swapper/010:33:340
1811921910,3sleep00-21swapper/007:50:060
237199185,6cyclictest0-21swapper/107:45:061
237199184,9cyclictest0-21swapper/110:55:081
237199184,6cyclictest0-21swapper/110:10:021
2371991816,1cyclictest0-21swapper/107:41:221
2371991812,1cyclictest0-21swapper/109:24:241
2371991811,3cyclictest100150irq/106-eth1-rx10:25:021
2371991810,7cyclictest0-21swapper/108:20:151
2371991810,6cyclictest0-21swapper/107:22:321
2371991810,2cyclictest0-21swapper/109:17:541
237099184,10cyclictest0-21swapper/009:45:100
237099182,13cyclictest0-21swapper/009:21:050
2370991818,0cyclictest0-21swapper/007:16:140
2370991817,1cyclictest0-21swapper/010:53:520
2370991814,4cyclictest0-21swapper/008:40:010
2370991811,6cyclictest9497-1kworker/u5:010:24:050
2370991810,5cyclictest0-21swapper/010:18:540
2370991810,5cyclictest0-21swapper/007:43:490
2370991810,4cyclictest0-21swapper/011:15:050
2370991810,4cyclictest0-21swapper/008:00:070
237199176,5cyclictest0-21swapper/109:05:091
2371991710,4cyclictest0-21swapper/107:50:051
2371991710,3cyclictest0-21swapper/112:10:561
237099176,6cyclictest0-21swapper/011:50:110
237099173,8cyclictest0-21swapper/009:03:240
237099172,14cyclictest0-21swapper/011:33:570
237099171,9cyclictest0-21swapper/007:25:070
237099171,8cyclictest4867-21latency_hist08:39:550
2370991716,1cyclictest12260-21apache211:06:350
2370991715,1cyclictest12354-21/usr/sbin/munin07:35:140
2370991711,4cyclictest100250irq/107-eth1-rx08:20:070
237199166,2cyclictest5701-21/usr/sbin/munin08:40:151
2371991610,3cyclictest32008-21if_eth008:25:101
237099164,7cyclictest0-21swapper/009:55:090
237099164,4cyclictest16417-21/usr/sbin/munin07:45:070
2370991610,1cyclictest0-21swapper/012:02:080
237199154,9cyclictest0-21swapper/108:45:141
237199151,9cyclictest0-21swapper/108:30:091
237099159,5cyclictest0-21swapper/009:07:070
237099152,4cyclictest17004-21fschecks_count12:35:080
2370991412,1cyclictest8197-21apache207:22:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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