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2026-06-15 - 07:42
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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 Mon Jun 15, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2910526957,8sleep10-21swapper/119:08:361
2874126755,8sleep00-21swapper/019:04:470
126792670,0sleep00-21swapper/022:37:120
29295994410,33cyclictest0-21swapper/119:29:001
29295994210,4cyclictest0-21swapper/121:51:351
29295994210,32cyclictest0-21swapper/123:01:091
29295994210,31cyclictest0-21swapper/123:51:291
29295994110,30cyclictest0-21swapper/100:18:481
29295994020,20cyclictest0-21swapper/100:17:511
29295994010,29cyclictest0-21swapper/123:57:541
29295994010,29cyclictest0-21swapper/122:14:411
29295994010,29cyclictest0-21swapper/121:17:061
29295994010,28cyclictest0-21swapper/119:48:121
29295993910,29cyclictest0-21swapper/121:47:171
29295993910,29cyclictest0-21swapper/120:57:211
29295993910,29cyclictest0-21swapper/100:34:021
29295993910,28cyclictest10480-21diskmemload23:43:491
29295993910,28cyclictest0-21swapper/122:20:351
29295993910,28cyclictest0-21swapper/100:10:041
29295993910,28cyclictest0-21swapper/100:01:391
29295993910,26cyclictest0-21swapper/122:00:561
29295993720,16cyclictest0-21swapper/122:42:121
29295993710,27cyclictest0-21swapper/123:28:521
29295993710,26cyclictest0-21swapper/123:42:511
29295993710,26cyclictest0-21swapper/123:18:081
29295993710,26cyclictest0-21swapper/122:28:211
29295993710,26cyclictest0-21swapper/121:29:561
29295993710,26cyclictest0-21swapper/120:23:001
29295993710,26cyclictest0-21swapper/119:08:531
29295993710,26cyclictest0-21swapper/100:04:581
29295993710,23cyclictest0-21swapper/120:16:471
29295993710,20cyclictest0-21swapper/119:48:571
29295993710,14cyclictest0-21swapper/121:07:331
29295993621,14cyclictest0-21swapper/123:23:591
29295993610,26cyclictest0-21swapper/122:30:071
29295993610,26cyclictest0-21swapper/121:13:291
29295993610,26cyclictest0-21swapper/119:57:091
29295993610,25cyclictest0-21swapper/122:10:251
29295993610,23cyclictest0-21swapper/123:06:261
29295993610,23cyclictest0-21swapper/123:06:261
29294993610,3cyclictest0-21swapper/023:17:340
29295993524,11cyclictest0-21swapper/123:23:131
29295993510,25cyclictest0-21swapper/122:34:231
29295993510,25cyclictest0-21swapper/121:34:261
29295993510,24cyclictest0-21swapper/122:55:421
29295993510,24cyclictest0-21swapper/120:06:281
29295993510,24cyclictest0-21swapper/119:14:551
29295993410,8cyclictest0-21swapper/120:53:281
29295993410,7cyclictest0-21swapper/119:59:291
29295993410,24cyclictest0-21swapper/119:42:081
29295993410,23cyclictest0-21swapper/123:34:241
29295993410,23cyclictest0-21swapper/123:08:501
29295993410,23cyclictest0-21swapper/120:30:421
29295993410,21cyclictest0-21swapper/122:47:401
29295993410,21cyclictest0-21swapper/100:29:291
29295993310,23cyclictest0-21swapper/120:34:021
29295993310,22cyclictest0-21swapper/122:52:031
29295993310,22cyclictest0-21swapper/121:02:491
29295993310,22cyclictest0-21swapper/120:39:231
29294993310,23cyclictest0-21swapper/000:28:170
29295993210,3cyclictest27045-21ssh00:24:161
29295993210,22cyclictest0-21swapper/121:54:321
29295993110,21cyclictest0-21swapper/121:19:461
29295993010,2cyclictest0-21swapper/120:09:481
29295993010,20cyclictest0-21swapper/121:26:021
29295993010,20cyclictest0-21swapper/119:23:251
29295992810,17cyclictest0-21swapper/122:04:011
29295992810,17cyclictest0-21swapper/119:37:341
29294992810,17cyclictest0-21swapper/000:31:420
29295992710,17cyclictest0-21swapper/121:41:071
2929599270,3cyclictest0-21swapper/120:43:521
29294992710,1cyclictest0-21swapper/021:44:120
29295992610,16cyclictest0-21swapper/120:25:331
29294992610,13cyclictest0-21swapper/022:20:260
29294992510,11cyclictest0-21swapper/020:53:590
29295992410,9cyclictest0-21swapper/119:27:231
29294992419,5cyclictest28349-21apache200:36:190
29294992323,0cyclictest0-21swapper/022:03:340
29294992312,5cyclictest29292-21cyclictest20:08:540
29294992310,7cyclictest0-21swapper/000:22:270
29294992310,4cyclictest0-21swapper/022:17:240
2929499230,1cyclictest0-21swapper/021:12:460
2929499227,9cyclictest0-21swapper/020:18:550
2929499223,13cyclictest0-21swapper/020:23:550
29294992221,0cyclictest0-21swapper/020:13:550
29294992217,4cyclictest744-21snmpd20:49:050
29294992211,3cyclictest0-21swapper/022:05:470
29294992210,6cyclictest0-21swapper/023:49:220
29294992210,6cyclictest0-21swapper/019:38:520
29294992210,11cyclictest0-21swapper/000:00:170
612022110,0sleep00-21swapper/023:55:170
2929499218,7cyclictest0-21swapper/021:04:000
29294992118,2cyclictest28349-21apache223:22:090
29294992110,4cyclictest0-21swapper/023:43:570
29294992110,10cyclictest0-21swapper/023:39:580
29294992110,0cyclictest0-21swapper/022:11:020
2929499210,15cyclictest0-21swapper/022:54:170
1365422110,1sleep00-21swapper/000:06:010
2929499206,8cyclictest0-21swapper/021:13:540
2929499205,8cyclictest29598-21/usr/sbin/munin20:34:020
2929499203,10cyclictest0-21swapper/021:29:200
29294992015,3cyclictest28327-21apache221:35:470
29294992011,1cyclictest0-21swapper/019:14:010
29294992010,7cyclictest0-21swapper/022:58:520
29294992010,4cyclictest0-21swapper/021:48:530
29294992010,4cyclictest0-21swapper/021:42:240
29294992010,1cyclictest0-21swapper/020:28:520
132322010,0sleep00-21swapper/023:04:410
132322010,0sleep00-21swapper/023:04:410
2929499194,14cyclictest0-21swapper/023:34:560
29294991910,7cyclictest0-21swapper/019:08:520
29294991910,4cyclictest0-21swapper/021:26:530
29294991910,3cyclictest0-21swapper/022:25:290
29294991910,1cyclictest0-21swapper/022:49:030
2929499190,18cyclictest0-21swapper/021:19:550
2929499185,8cyclictest0-21swapper/022:43:580
2929499182,8cyclictest0-21swapper/000:14:480
29294991815,2cyclictest0-21swapper/019:48:380
29294991810,4cyclictest0-21swapper/022:39:290
29294991810,4cyclictest0-21swapper/019:48:530
29294991810,3cyclictest0-21swapper/023:10:450
29294991810,3cyclictest0-21swapper/020:59:030
29294991810,3cyclictest0-21swapper/020:03:590
29294991810,2cyclictest0-21swapper/000:10:190
2929499180,16cyclictest0-21swapper/021:55:350
1652321810,1sleep00-21swapper/023:25:460
1417421810,0sleep00-21swapper/019:53:450
2929499173,7cyclictest0-21swapper/020:44:150
29294991710,7cyclictest0-21swapper/019:38:010
29294991710,2cyclictest0-21swapper/019:31:230
2929499170,5cyclictest19092-21/usr/sbin/munin23:28:590
2929499170,12cyclictest0-21swapper/019:23:540
2929499164,4cyclictest0-21swapper/022:30:400
29294991610,4cyclictest0-21swapper/020:38:540
29294991610,4cyclictest0-21swapper/019:18:590
29294991610,2cyclictest0-21swapper/019:58:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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