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2025-05-13 - 02:34
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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 highest latencies:
System rackcslot2.osadl.org (updated Mon May 12, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
275122710,2sleep11540699cyclictest12:13:341
1493826949,16sleep00-21swapper/007:05:150
155442680,0sleep10-21swapper/111:15:201
1512626854,9sleep10-21swapper/107:07:121
15405993333,0cyclictest0-21swapper/009:44:200
15405992827,1cyclictest0-21swapper/010:10:540
15406992710,9cyclictest0-21swapper/111:51:571
15406992710,0cyclictest0-21swapper/110:48:411
1540699270,27cyclictest0-21swapper/108:45:391
15405992724,1cyclictest81ktimersoftd/007:54:520
15406992623,2cyclictest0-21swapper/111:08:321
15405992616,5cyclictest25234-21apache212:15:190
1540699259,15cyclictest0-21swapper/112:05:361
15406992513,8cyclictest25240-21apache212:23:191
15406992510,10cyclictest0-21swapper/109:59:251
1540599259,15cyclictest0-21swapper/009:14:210
15405992510,10cyclictest0-21swapper/010:01:310
15406992416,5cyclictest25234-21apache207:53:311
1540699240,24cyclictest0-21swapper/111:07:541
1540699240,1cyclictest5620-21apache_processe12:28:241
15405992416,6cyclictest25240-21apache212:23:070
1540599241,18cyclictest0-21swapper/009:57:340
15405992410,6cyclictest0-21swapper/008:33:250
15405992410,5cyclictest0-21swapper/011:01:270
1540699232,19cyclictest0-21swapper/110:18:541
15406992319,2cyclictest25234-21apache209:34:331
15406992310,6cyclictest0-21swapper/108:51:401
15406992310,5cyclictest0-21swapper/109:45:361
1540699230,22cyclictest5240-21apache_accesses09:18:271
1540599238,11cyclictest97850irq/107-eth1-rx11:56:240
1540599234,3cyclictest0-21swapper/011:13:230
15405992321,1cyclictest10337-21ssh11:51:220
15405992315,7cyclictest25240-21apache209:12:220
15405992310,9cyclictest0-21swapper/008:18:370
15405992310,7cyclictest0-21swapper/009:33:040
15406992222,0cyclictest0-21swapper/109:40:371
15406992222,0cyclictest0-21swapper/107:25:181
15406992217,4cyclictest25240-21apache208:37:551
15406992213,8cyclictest25240-21apache211:33:011
15406992210,8cyclictest0-21swapper/110:33:201
15406992210,8cyclictest0-21swapper/110:14:451
1540699220,6cyclictest0-21swapper/112:08:401
15405992217,3cyclictest2141-21sh10:53:230
15405992210,6cyclictest0-21swapper/009:40:260
1540599220,1cyclictest0-21swapper/012:29:360
1540699213,2cyclictest0-21swapper/110:40:491
15406992110,5cyclictest0-21swapper/111:43:331
15406992110,5cyclictest0-21swapper/110:57:471
1540699210,1cyclictest0-21swapper/111:01:051
1540599213,12cyclictest0-21swapper/007:33:250
1540599212,4cyclictest0-21swapper/012:37:000
15405992115,4cyclictest25240-21apache210:15:240
15405992115,2cyclictest81ktimersoftd/012:08:330
15405992110,9cyclictest0-21swapper/011:30:250
15405992110,6cyclictest0-21swapper/007:23:560
15405992110,5cyclictest0-21swapper/008:42:540
1540599210,21cyclictest0-21swapper/009:50:000
1540699208,9cyclictest0-21swapper/107:33:251
1540699206,7cyclictest0-21swapper/112:33:321
1540699204,9cyclictest0-21swapper/109:03:321
15406992018,1cyclictest15403-21cyclictest08:57:251
15406992014,2cyclictest1111-21runrttasks07:50:401
15406992012,4cyclictest0-21swapper/111:57:511
15406992010,6cyclictest0-21swapper/109:31:581
15406992010,4cyclictest0-21swapper/109:13:331
15406992010,3cyclictest0-21swapper/110:33:031
1540699200,19cyclictest0-21swapper/111:58:461
1540599205,6cyclictest0-21swapper/007:13:250
15405992016,3cyclictest25240-21apache208:24:520
15405992016,3cyclictest25234-21apache210:42:080
15405992011,1cyclictest0-21swapper/009:03:360
15405992010,5cyclictest0-21swapper/012:23:340
15405992010,5cyclictest0-21swapper/008:28:280
15405992010,4cyclictest0-21swapper/010:05:530
15405992010,3cyclictest0-21swapper/012:03:030
15405992010,3cyclictest0-21swapper/011:08:380
15405992010,2cyclictest0-21swapper/010:28:340
160421910,0sleep10-21swapper/111:39:251
1540699194,15cyclictest0-21swapper/109:53:571
1540699193,8cyclictest0-21swapper/107:58:341
1540699192,12cyclictest0-21swapper/112:18:201
1540699191,8cyclictest15813-21ls07:08:291
15406991914,4cyclictest25240-21apache208:03:501
15406991914,3cyclictest593-21avahi-daemon11:36:411
15406991911,5cyclictest18588-21unixbench_singl07:13:331
15406991911,2cyclictest0-21swapper/111:19:121
15406991910,3cyclictest0-21swapper/108:08:281
15406991910,2cyclictest0-21swapper/107:18:321
1540599199,7cyclictest29260-21diskmemload11:07:350
1540599194,8cyclictest22388-21chrt11:23:570
1540599194,8cyclictest0-21swapper/011:19:160
1540599192,2cyclictest21024-21latency_hist07:23:140
15405991918,1cyclictest25240-21apache209:21:180
15405991911,4cyclictest25234-21apache210:37:300
15405991910,5cyclictest0-21swapper/008:58:280
15405991910,5cyclictest0-21swapper/008:53:260
15405991910,4cyclictest0-21swapper/007:59:160
15405991910,3cyclictest0-21swapper/012:05:040
15405991910,3cyclictest0-21swapper/010:23:250
2723321810,0sleep10-21swapper/107:38:211
1540699184,8cyclictest0-21swapper/108:28:311
1540699182,8cyclictest0-21swapper/107:43:241
15406991815,2cyclictest15403-21cyclictest09:11:501
1540599186,9cyclictest0-21swapper/008:13:330
1540599183,8cyclictest0-21swapper/007:08:370
1540599183,10cyclictest0-21swapper/007:28:320
15405991811,4cyclictest19418-21kworker/u4:211:40:050
15405991810,6cyclictest9054-21apache_accesses09:23:260
15405991810,5cyclictest0-21swapper/009:35:100
15405991810,4cyclictest0-21swapper/010:43:510
15405991810,3cyclictest0-21swapper/008:48:270
15405991810,2cyclictest0-21swapper/011:34:470
1540699174,6cyclictest0-21swapper/108:13:351
15406991716,1cyclictest7459-21ssh10:06:141
15406991713,3cyclictest25240-21apache211:24:121
15406991712,5cyclictest97850irq/107-eth1-rx09:48:331
15406991710,5cyclictest0-21swapper/109:25:451
15406991710,4cyclictest0-21swapper/110:25:121
15406991710,3cyclictest0-21swapper/108:58:321
15406991710,2cyclictest0-21swapper/110:43:221
1540599173,8cyclictest0-21swapper/008:03:310
1540599173,8cyclictest0-21swapper/007:43:240
1540599173,6cyclictest29260-21diskmemload11:43:280
15405991712,3cyclictest97850irq/107-eth1-rx10:18:290
15405991710,3cyclictest0-21swapper/010:48:220
15405991710,3cyclictest0-21swapper/008:46:250
1155421710,0sleep10-21swapper/108:19:201
15406991616,0cyclictest0-21swapper/110:09:011
15406991611,4cyclictest0-21swapper/107:28:271
15406991610,2cyclictest0-21swapper/108:38:281
1540599164,5cyclictest0-21swapper/007:48:340
15405991610,2cyclictest0-21swapper/007:38:290
1540699153,7cyclictest0-21swapper/108:23:261
15405991510,2cyclictest0-21swapper/008:08:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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