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2026-07-01 - 23:07
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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 376 highest latencies:
System rackcslot2.osadl.org (updated Wed Jul 01, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1149227555,15sleep10-21swapper/107:07:351
1130827549,8sleep00-21swapper/007:05:410
196712620,0sleep00-21swapper/010:25:160
11768993510,24cyclictest0-21swapper/111:17:121
11768993211,15cyclictest100250irq/107-eth1-rx11:45:381
1176899281,26cyclictest0-21swapper/112:28:551
11768992810,13cyclictest0-21swapper/111:59:491
1176899280,1cyclictest0-21swapper/112:28:061
11768992727,0cyclictest0-21swapper/110:22:541
11768992721,4cyclictest21666-21apache209:49:581
11768992624,2cyclictest0-21swapper/109:28:191
11767992610,8cyclictest0-21swapper/012:12:210
11767992610,14cyclictest0-21swapper/012:21:540
11767992610,12cyclictest0-21swapper/010:44:020
11768992524,0cyclictest231ktimersoftd/109:58:481
1176799255,19cyclictest7-21ksoftirqd/012:38:280
11768992420,2cyclictest0-21swapper/111:21:351
11768992412,4cyclictest21666-21apache207:46:211
11768992412,2cyclictest0-21swapper/110:23:491
11767992420,3cyclictest21641-21apache211:18:430
11767992410,1cyclictest0-21swapper/009:11:480
11768992320,2cyclictest21666-21apache209:12:251
11768992319,3cyclictest231ktimersoftd/110:33:381
11768992318,3cyclictest21641-21apache210:38:511
11768992316,5cyclictest21666-21apache210:51:571
1176899230,2cyclictest0-21swapper/110:56:161
1176799233,10cyclictest0-21swapper/008:23:320
11767992310,8cyclictest23863-21ssh11:13:530
11767992310,10cyclictest0-21swapper/011:58:380
1176799230,3cyclictest0-21swapper/009:31:030
1176799230,18cyclictest0-21swapper/009:49:110
11768992222,0cyclictest0-21swapper/111:52:221
11768992221,1cyclictest0-21swapper/108:51:071
11768992212,6cyclictest100250irq/107-eth1-rx11:31:391
11768992210,9cyclictest0-21swapper/107:33:441
11768992210,10cyclictest0-21swapper/111:35:211
1176799222,5cyclictest0-21swapper/011:46:540
11767992220,1cyclictest7-21ksoftirqd/011:28:320
11767992220,1cyclictest7-21ksoftirqd/010:58:500
11767992220,1cyclictest7-21ksoftirqd/010:48:480
11767992216,1cyclictest7-21ksoftirqd/009:34:290
11767992212,7cyclictest29719-21ssh12:06:350
11767992212,5cyclictest0-21swapper/011:53:200
1176799221,13cyclictest0-21swapper/009:58:520
11767992210,4cyclictest0-21swapper/008:33:440
11767992210,1cyclictest0-21swapper/012:15:100
1176899219,7cyclictest0-21swapper/112:33:551
1176899215,10cyclictest0-21swapper/109:18:471
1176899213,14cyclictest0-21swapper/108:28:441
1176899213,11cyclictest0-21swapper/107:53:511
11768992115,1cyclictest231ktimersoftd/107:48:441
11768992110,8cyclictest0-21swapper/112:03:321
11768992110,7cyclictest0-21swapper/107:18:521
11768992110,6cyclictest0-21swapper/112:23:321
11768992110,6cyclictest0-21swapper/112:12:581
11768992110,4cyclictest0-21swapper/110:43:441
11768992110,4cyclictest0-21swapper/107:38:431
11768992110,2cyclictest0-21swapper/107:33:051
11768992110,0cyclictest0-21swapper/110:05:241
1176799212,17cyclictest0-21swapper/012:24:190
1176799212,12cyclictest0-21swapper/008:58:430
11767992120,0cyclictest7-21ksoftirqd/010:08:320
11767992119,1cyclictest7-21ksoftirqd/011:43:320
11767992115,2cyclictest0-21swapper/010:55:420
11767992112,4cyclictest0-21swapper/010:07:220
11767992110,7cyclictest0-21swapper/010:13:430
11767992110,6cyclictest0-21swapper/009:38:460
11767992110,6cyclictest0-21swapper/008:28:460
11767992110,5cyclictest0-21swapper/011:29:000
11767992110,5cyclictest0-21swapper/008:08:490
1176799210,13cyclictest0-21swapper/007:28:420
2529422010,0sleep00-21swapper/007:42:240
1176899204,8cyclictest0-21swapper/110:28:451
1176899203,12cyclictest0-21swapper/107:23:451
11768992016,3cyclictest31890-21munin-node11:02:171
11768992010,6cyclictest21666-21apache209:57:251
11768992010,6cyclictest0-21swapper/109:38:521
11768992010,6cyclictest0-21swapper/108:08:451
11768992010,4cyclictest0-21swapper/108:28:321
1176899200,19cyclictest0-21swapper/111:43:301
11767992018,1cyclictest7-21ksoftirqd/009:18:480
11767992012,5cyclictest0-21swapper/009:26:250
11767992010,8cyclictest0-21swapper/008:03:170
11767992010,7cyclictest0-21swapper/010:36:160
11767992010,6cyclictest0-21swapper/007:24:250
11767992010,6cyclictest0-21swapper/007:08:440
11767992010,5cyclictest0-21swapper/010:32:530
11767992010,4cyclictest0-21swapper/011:03:480
11767992010,4cyclictest0-21swapper/008:38:540
11767992010,4cyclictest0-21swapper/007:48:440
11767992010,3cyclictest0-21swapper/010:39:510
11767992010,2cyclictest0-21swapper/007:33:340
1176899193,9cyclictest0-21swapper/108:58:491
11768991915,2cyclictest21641-21apache212:13:561
11768991910,6cyclictest0-21swapper/108:20:391
11768991910,6cyclictest0-21swapper/108:13:431
11768991910,5cyclictest0-21swapper/110:08:441
11768991910,3cyclictest0-21swapper/111:28:131
1176899190,9cyclictest31862-21/usr/sbin/munin07:58:471
1176899190,0cyclictest25693-21diskmemload10:15:301
1176799193,9cyclictest0-21swapper/008:43:470
1176799192,5cyclictest91rcu_preempt08:03:520
1176799192,12cyclictest0-21swapper/012:31:290
11767991918,1cyclictest0-21swapper/009:53:360
1176899184,5cyclictest21644-21apache211:53:431
1176899182,8cyclictest0-21swapper/109:13:441
11768991817,1cyclictest21666-21apache211:10:481
11768991817,1cyclictest21666-21apache211:10:481
1176899181,2cyclictest0-21swapper/109:32:501
11768991810,6cyclictest0-21swapper/109:03:431
11768991810,4cyclictest0-21swapper/109:43:421
11768991810,4cyclictest0-21swapper/108:35:001
11768991810,4cyclictest0-21swapper/108:03:451
1176799188,5cyclictest21666-21apache208:53:490
1176799185,3cyclictest0-21swapper/011:33:500
1176799182,7cyclictest14065-21/usr/sbin/munin10:18:460
11767991811,3cyclictest0-21swapper/007:43:430
11767991811,2cyclictest0-21swapper/009:43:350
11767991810,5cyclictest0-21swapper/007:13:530
11767991810,2cyclictest0-21swapper/011:08:330
11767991810,2cyclictest0-21swapper/011:08:330
11767991810,0cyclictest0-21swapper/009:17:060
1176899174,7cyclictest0-21swapper/108:53:461
1176899172,11cyclictest0-21swapper/111:04:231
11768991714,2cyclictest11785-21/usr/sbin/munin07:08:431
11768991710,5cyclictest0-21swapper/108:46:081
11768991710,1cyclictest0-21swapper/109:33:431
1176799173,4cyclictest0-21swapper/009:03:480
11767991712,2cyclictest947-21sendmail-mta07:21:360
1176799170,7cyclictest31175-21munin-run07:58:320
1176799170,10cyclictest0-21swapper/008:23:440
1176899164,5cyclictest14135-21/usr/sbin/munin07:13:471
11767991615,1cyclictest0-21swapper/008:51:280
11767991612,2cyclictest21666-21apache208:17:370
11767991610,2cyclictest0-21swapper/011:55:490
11768991510,2cyclictest0-21swapper/108:38:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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