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2025-06-16 - 20:09
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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 100 highest latencies:
System rackdslot3.osadl.org (updated Mon Jun 16, 2025 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191234171,51phc2sys0-21swapper/307:08:373
271952207173,23sleep20-21swapper/207:09:412
271942206173,22sleep10-21swapper/107:09:401
270492202167,23sleep00-21swapper/007:07:470
2572621500,7sleep32751699cyclictest10:25:223
121972760,5sleep125-21ksoftirqd/111:05:201
119282650,4sleep211931-21fschecks_time11:05:172
27516996014,18cyclictest4544-21sed11:55:293
2751699522,3cyclictest17116-21taskset10:09:043
153632500,4sleep2311rcuc/212:20:152
27516994528,15cyclictest41-21ksoftirqd/310:18:583
2751599431,39cyclictest5179-21cron12:00:012
136991430,0ptp4l401ktimersoftd/308:48:523
136991430,0ptp4l401ktimersoftd/307:15:223
27514994212,28cyclictest0-21swapper/109:41:161
136991420,0ptp4l401ktimersoftd/307:51:183
132891420,4getstats2751699cyclictest09:33:123
27513994136,3cyclictest9-21ksoftirqd/010:20:010
136991410,0ptp4l401ktimersoftd/312:05:453
136991400,0ptp4l401ktimersoftd/311:26:103
27516993934,3cyclictest41-21ksoftirqd/310:35:013
27514993933,4cyclictest25-21ksoftirqd/112:15:001
2751699387,20cyclictest20934-21kworker/3:211:50:353
27515993823,13cyclictest33-21ksoftirqd/210:10:012
27514993831,4cyclictest25-21ksoftirqd/107:59:591
27516993731,4cyclictest41-21ksoftirqd/309:56:423
27516993731,4cyclictest41-21ksoftirqd/308:34:293
27515993732,3cyclictest33-21ksoftirqd/208:40:002
27514993714,20cyclictest17180-21sed09:00:311
27513993732,3cyclictest9-21ksoftirqd/007:55:010
2751699362,23cyclictest20934-21kworker/3:212:03:553
27515993630,4cyclictest33-21ksoftirqd/207:41:052
27514993630,4cyclictest25-21ksoftirqd/111:28:361
27514993630,4cyclictest25-21ksoftirqd/110:25:361
27513993631,3cyclictest9-21ksoftirqd/010:10:000
59298350,3rtkit-daemon1285-21snmpd09:47:550
2751699355,19cyclictest20997-21kworker/3:008:19:283
27516993530,3cyclictest41-21ksoftirqd/307:14:593
27515993529,4cyclictest33-21ksoftirqd/212:14:012
27515993529,4cyclictest33-21ksoftirqd/211:12:592
27515993529,4cyclictest33-21ksoftirqd/209:50:512
27515993529,4cyclictest33-21ksoftirqd/207:38:282
27515993522,11cyclictest33-21ksoftirqd/209:45:512
27514993529,4cyclictest25-21ksoftirqd/110:36:161
27514993529,4cyclictest25-21ksoftirqd/108:44:231
27514993529,4cyclictest25-21ksoftirqd/108:17:561
27514993529,4cyclictest25-21ksoftirqd/107:21:181
27514993528,5cyclictest25-21ksoftirqd/107:17:011
27514993512,21cyclictest19364-21kworker/1:012:15:471
27513993530,3cyclictest9-21ksoftirqd/009:10:010
27516993428,4cyclictest41-21ksoftirqd/311:41:073
27516993428,4cyclictest41-21ksoftirqd/310:55:433
27516993428,4cyclictest41-21ksoftirqd/309:37:203
27516993428,4cyclictest41-21ksoftirqd/309:13:183
27516993427,5cyclictest41-21ksoftirqd/308:39:003
27515993429,3cyclictest33-21ksoftirqd/208:44:312
27515993428,4cyclictest33-21ksoftirqd/212:38:162
27515993428,4cyclictest33-21ksoftirqd/212:34:312
27515993428,4cyclictest33-21ksoftirqd/211:15:082
27515993428,4cyclictest33-21ksoftirqd/211:04:242
27515993428,4cyclictest33-21ksoftirqd/208:30:482
27515993428,4cyclictest33-21ksoftirqd/207:16:312
27514993428,4cyclictest25-21ksoftirqd/111:51:131
27514993428,4cyclictest25-21ksoftirqd/110:51:121
27514993428,4cyclictest25-21ksoftirqd/110:11:001
27514993428,4cyclictest25-21ksoftirqd/109:17:131
27514993428,4cyclictest25-21ksoftirqd/108:14:511
27514993428,4cyclictest25-21ksoftirqd/107:42:131
27514993427,5cyclictest25-21ksoftirqd/111:41:181
27514993413,18cyclictest6871-21sh07:35:001
27513993428,4cyclictest9-21ksoftirqd/008:28:340
27513993427,4cyclictest9-21ksoftirqd/009:25:050
2751699338,22cyclictest2661-21sed10:45:213
2751699334,18cyclictest20934-21kworker/3:212:39:393
27516993328,3cyclictest41-21ksoftirqd/309:23:353
27516993327,4cyclictest41-21ksoftirqd/310:53:463
27516993327,4cyclictest41-21ksoftirqd/308:58:163
27516993327,4cyclictest41-21ksoftirqd/308:41:573
27516993327,4cyclictest41-21ksoftirqd/308:21:583
27516993327,4cyclictest41-21ksoftirqd/308:12:483
27516993327,4cyclictest41-21ksoftirqd/307:26:433
2751699330,8cyclictest121rcu_preempt07:48:153
27515993328,3cyclictest33-21ksoftirqd/210:33:352
27515993327,4cyclictest33-21ksoftirqd/211:23:342
27515993327,4cyclictest33-21ksoftirqd/210:43:462
27515993327,4cyclictest33-21ksoftirqd/208:20:352
27515993327,4cyclictest33-21ksoftirqd/208:05:442
27515993327,3cyclictest33-21ksoftirqd/210:55:012
27515993326,5cyclictest33-21ksoftirqd/211:43:122
27515993326,4cyclictest33-21ksoftirqd/208:19:442
27514993329,3cyclictest25-21ksoftirqd/112:32:351
27514993328,3cyclictest25-21ksoftirqd/111:17:101
27514993328,3cyclictest25-21ksoftirqd/109:49:251
27514993328,3cyclictest25-21ksoftirqd/108:00:321
27514993328,3cyclictest25-21ksoftirqd/107:29:561
27514993327,4cyclictest25-21ksoftirqd/111:22:301
27514993327,4cyclictest25-21ksoftirqd/109:36:141
27514993326,5cyclictest25-21ksoftirqd/109:57:291
27514993326,5cyclictest25-21ksoftirqd/107:51:551
27513993328,3cyclictest9-21ksoftirqd/011:24:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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