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2024-11-23 - 16:53
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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 rackcslot2.osadl.org (updated Sat Nov 23, 2024 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
65062690,1sleep00-21swapper/011:52:420
2134126955,9sleep10-21swapper/107:07:031
2119526553,8sleep00-21swapper/007:05:310
21750993318,14cyclictest0-21swapper/110:19:101
21750993131,0cyclictest0-21swapper/112:04:171
21750993110,19cyclictest31527-21kworker/1:009:01:391
21749993111,19cyclictest0-21swapper/007:35:390
21750993023,3cyclictest0-21swapper/109:55:511
2175099300,29cyclictest0-21swapper/110:11:421
2174999300,1cyclictest0-21swapper/012:04:440
21750992810,16cyclictest0-21swapper/109:36:281
21749992811,1cyclictest0-21swapper/009:37:540
2175099270,5cyclictest0-21swapper/111:49:371
21749992727,0cyclictest0-21swapper/008:51:030
21749992723,1cyclictest81ktimersoftd/011:44:370
21749992710,10cyclictest0-21swapper/012:34:430
2175099265,20cyclictest0-21swapper/110:32:031
21750992624,1cyclictest15299-21ssh10:40:591
21750992622,2cyclictest231ktimersoftd/111:33:531
2174999264,21cyclictest0-21swapper/010:28:180
2174999263,1cyclictest3252-21diskmemload09:22:190
2174999260,24cyclictest16540-21/usr/sbin/munin08:19:370
21750992525,0cyclictest0-21swapper/108:18:321
21750992514,8cyclictest31584-21apache210:22:431
21750992510,12cyclictest0-21swapper/107:18:191
2175099250,4cyclictest0-21swapper/111:23:101
21749992525,0cyclictest0-21swapper/009:14:190
21749992525,0cyclictest0-21swapper/008:37:360
21749992519,4cyclictest31584-21apache211:33:380
2174999250,24cyclictest0-21swapper/007:48:290
21750992419,4cyclictest31600-21apache209:50:511
21750992418,3cyclictest0-21swapper/111:08:401
21750992418,2cyclictest21747-21cyclictest11:37:111
21750992418,2cyclictest21747-21cyclictest11:37:111
2175099241,22cyclictest8241-21hddtemp_smartct09:14:401
21750992410,7cyclictest0-21swapper/109:11:101
21749992417,6cyclictest31584-21apache212:14:510
2175099232,6cyclictest0-21swapper/112:09:461
21750992311,7cyclictest97850irq/107-eth1-rx11:45:521
21750992310,7cyclictest0-21swapper/109:33:001
21750992310,1cyclictest0-21swapper/111:57:551
21750992310,12cyclictest0-21swapper/112:19:081
2175099230,14cyclictest0-21swapper/108:29:431
2174999232,4cyclictest0-21swapper/011:28:320
21749992323,0cyclictest0-21swapper/010:45:520
21749992320,3cyclictest0-21swapper/011:23:030
21749992320,2cyclictest31600-21apache211:36:560
21749992320,2cyclictest31600-21apache211:36:560
21749992317,2cyclictest1111-21runrttasks12:24:390
2174999231,19cyclictest0-21swapper/010:11:590
21749992310,4cyclictest0-21swapper/010:49:350
2174999230,1cyclictest5053-21kworker/u4:111:55:230
2175099222,18cyclictest0-21swapper/111:03:071
21750992221,1cyclictest0-21swapper/108:23:461
2175099222,10cyclictest0-21swapper/112:09:251
2175099221,20cyclictest0-21swapper/112:29:461
2174999224,18cyclictest0-21swapper/010:08:470
2446222110,0sleep10-21swapper/110:53:211
2175099213,10cyclictest0-21swapper/109:04:421
2175099212,17cyclictest29301-21/usr/sbin/munin12:19:471
21750992113,5cyclictest31600-21apache209:24:291
21750992112,6cyclictest31584-21apache210:39:041
21750992110,7cyclictest0-21swapper/107:59:391
21750992110,1cyclictest0-21swapper/107:24:431
2174999216,12cyclictest0-21swapper/007:24:420
2174999213,12cyclictest0-21swapper/012:29:430
21749992121,0cyclictest81ktimersoftd/007:43:590
21749992118,3cyclictest31600-21apache209:50:290
21749992117,1cyclictest81ktimersoftd/011:13:280
21749992112,9cyclictest0-21swapper/011:59:510
21749992110,9cyclictest97850irq/107-eth1-rx10:34:130
21749992110,11cyclictest0-21swapper/008:12:500
2175099209,6cyclictest0-21swapper/111:11:441
2175099206,6cyclictest1111-21runrttasks10:04:401
2175099203,10cyclictest0-21swapper/109:44:361
21750992014,4cyclictest97750irq/106-eth1-rx09:40:591
21750992014,4cyclictest97750irq/106-eth1-rx09:40:591
21750992010,6cyclictest0-21swapper/108:54:461
21750992010,1cyclictest0-21swapper/108:06:091
2175099200,14cyclictest0-21swapper/111:42:561
2174999206,9cyclictest0-21swapper/010:14:390
2174999205,7cyclictest0-21swapper/007:49:430
2174999205,12cyclictest0-21swapper/009:29:480
21749992020,0cyclictest0-21swapper/009:45:210
21749992017,1cyclictest81ktimersoftd/011:18:180
21749992015,4cyclictest31600-21apache209:15:370
21749992010,8cyclictest0-21swapper/012:20:330
21749992010,4cyclictest0-21swapper/008:14:450
21749992010,4cyclictest0-21swapper/007:09:450
21749992010,3cyclictest0-21swapper/009:41:210
21749992010,3cyclictest0-21swapper/009:41:210
21749992010,2cyclictest0-21swapper/007:29:380
2003522010,0sleep10-21swapper/110:47:501
1688722010,0sleep00-21swapper/010:44:140
45521910,0sleep00-21swapper/011:03:570
2175099194,10cyclictest0-21swapper/108:34:361
2175099192,5cyclictest0-21swapper/112:26:461
21750991917,1cyclictest21747-21cyclictest08:39:451
21750991910,4cyclictest0-21swapper/109:19:371
21750991910,3cyclictest0-21swapper/107:44:391
21750991910,1cyclictest0-21swapper/108:26:261
2174999199,10cyclictest0-21swapper/008:33:390
2174999198,9cyclictest31600-21apache210:35:510
2174999198,11cyclictest0-21swapper/008:39:350
2174999195,8cyclictest0-21swapper/008:54:420
2174999194,8cyclictest20958-21ls12:09:470
21749991911,4cyclictest81ktimersoftd/011:39:480
198382190,0sleep00-21swapper/009:28:570
2175099188,5cyclictest0-21swapper/107:19:401
2175099186,7cyclictest0-21swapper/110:59:261
21750991817,1cyclictest31584-21apache210:00:541
21750991811,4cyclictest0-21swapper/107:09:401
21750991810,3cyclictest0-21swapper/111:14:541
21750991810,2cyclictest0-21swapper/111:24:351
2175099180,10cyclictest0-21swapper/112:34:291
2174999187,10cyclictest0-21swapper/010:19:380
2174999185,9cyclictest0-21swapper/007:14:380
2174999184,6cyclictest0-21swapper/009:59:380
21749991810,3cyclictest0-21swapper/008:44:390
2174999180,15cyclictest97850irq/107-eth1-rx09:55:000
21750991712,4cyclictest1303-21cpuspeed_turbos07:39:381
21750991710,2cyclictest0-21swapper/110:27:301
2174999175,6cyclictest3072-21runrttasks11:06:190
2174999171,9cyclictest0-21swapper/007:54:450
21749991716,1cyclictest0-21swapper/010:56:040
21749991710,4cyclictest0-21swapper/008:28:050
2767121610,1sleep10-21swapper/108:47:211
2175099165,5cyclictest0-21swapper/107:49:441
2175099164,6cyclictest14514-21latency_hist08:14:251
2175099161,11cyclictest0-21swapper/107:54:361
2174999164,7cyclictest0-21swapper/007:19:460
21749991612,3cyclictest97750irq/106-eth1-rx09:07:460
21749991610,4cyclictest0-21swapper/008:01:430
21750991510,2cyclictest0-21swapper/108:51:221
21750991510,2cyclictest0-21swapper/107:29:411
2174999151,6cyclictest0-21swapper/008:04:450
21749991510,2cyclictest0-21swapper/008:59:280
2175099141,8cyclictest31624-21ntp07:34:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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