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2025-11-26 - 07:34
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot6.osadl.org (updated Wed Nov 26, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1589723110,3sleep00-21swapper/020:14:490
3269821560,5sleep11700599cyclictest01:14:511
177391980,4ptp4l401ktimersoftd/320:17:223
85042840,3sleep0101ktimersoftd/021:04:500
198322830,4sleep219834-21gltestperf21:29:452
44282640,3sleep20-21swapper/200:04:462
251562620,3sleep30-21swapper/301:44:523
224232570,2sleep20-21swapper/200:24:532
1687025635,9sleep10-21swapper/120:19:031
240452520,1sleep224043-21sh01:43:422
1700599522,13cyclictest25165-21sed01:05:031
1700599522,13cyclictest25165-21sed01:05:031
314092510,2sleep00-21swapper/001:13:450
314092510,2sleep00-21swapper/001:13:450
1700599502,13cyclictest23396-21taskset23:09:561
10752500,2sleep30-21swapper/300:38:473
167412494,32sleep20-21swapper/220:17:232
127722490,1sleep30-21swapper/321:14:453
22032440,19sleep2321ktimersoftd/200:39:472
1700599441,18cyclictest20218-21/usr/sbin/munin20:24:441
17005994333,6cyclictest25-21ksoftirqd/101:39:461
17015994118,20cyclictest24432-21munin-run01:44:353
1700599417,5cyclictest25-21ksoftirqd/121:35:461
1700599417,5cyclictest25-21ksoftirqd/121:35:461
1700599414,5cyclictest0-21swapper/122:22:531
1700599413,6cyclictest0-21swapper/122:39:391
1700599400,14cyclictest8464-21ssh00:45:561
1700599391,8cyclictest6244-21snmp_o5powerctl20:59:531
29992380,2sleep00-21swapper/000:39:530
177391380,1ptp4l401ktimersoftd/323:51:553
177391380,1ptp4l401ktimersoftd/323:45:283
177391380,1ptp4l401ktimersoftd/323:35:083
177391380,1ptp4l401ktimersoftd/323:34:243
177391380,1ptp4l401ktimersoftd/322:40:443
177391380,1ptp4l401ktimersoftd/322:23:333
177391380,1ptp4l401ktimersoftd/301:13:523
177391380,1ptp4l401ktimersoftd/301:13:523
177391380,1ptp4l401ktimersoftd/300:34:193
1701599383,29cyclictest12840-21ssh01:29:473
17015993816,19cyclictest2195-21tr00:39:473
87782370,1sleep10-21swapper/100:09:471
177391370,1ptp4l401ktimersoftd/323:54:353
177391370,1ptp4l401ktimersoftd/322:54:493
177391370,1ptp4l401ktimersoftd/322:50:243
177391370,1ptp4l401ktimersoftd/322:33:513
177391370,1ptp4l401ktimersoftd/321:45:213
177391370,1ptp4l401ktimersoftd/301:37:363
177391370,1ptp4l401ktimersoftd/301:24:363
177391370,1ptp4l401ktimersoftd/301:05:473
177391370,1ptp4l401ktimersoftd/301:05:473
177391370,1ptp4l401ktimersoftd/300:11:213
177391370,1ptp4l401ktimersoftd/300:09:233
177391370,0ptp4l401ktimersoftd/323:11:123
177391360,1ptp4l401ktimersoftd/323:14:473
177391360,1ptp4l401ktimersoftd/321:56:133
177391360,1ptp4l401ktimersoftd/320:42:583
177391360,1ptp4l401ktimersoftd/300:29:173
177391360,1ptp4l401ktimersoftd/300:22:483
177391360,1ptp4l401ktimersoftd/300:14:373
177391360,1ptp4l401ktimersoftd/300:03:233
177391360,0ptp4l401ktimersoftd/323:28:523
177391360,0ptp4l401ktimersoftd/301:15:293
1701599353,5cyclictest0-21swapper/321:04:403
1701199353,2cyclictest121rcu_preempt23:19:532
1701199353,2cyclictest121rcu_preempt23:19:532
1700599357,5cyclictest25-21ksoftirqd/101:37:101
1700599357,5cyclictest25-21ksoftirqd/100:35:561
1701599349,4cyclictest1322-21cat21:59:443
1701599342,6cyclictest0-21swapper/320:29:393
17015993412,19cyclictest17439-21sh23:41:013
17015993410,4cyclictest14978-21fschecks_time21:19:493
1701199343,3cyclictest121rcu_preempt22:55:012
1701199341,3cyclictest121rcu_preempt21:14:282
177391330,0ptp4l401ktimersoftd/301:00:253
1701599338,3cyclictest2199-21cat20:54:293
1701599336,4cyclictest22459-21ls20:29:283
17015993312,18cyclictest932-21sh23:22:123
17015993312,18cyclictest932-21sh23:22:123
17015993312,18cyclictest20686-21sh23:07:393
17015993311,4cyclictest15845-21cat00:54:533
17011993329,2cyclictest33-21ksoftirqd/201:39:352
17011993327,3cyclictest33-21ksoftirqd/201:44:502
17011993325,6cyclictest33-21ksoftirqd/223:44:502
1701599329,3cyclictest19041-21sh22:28:573
1701599328,3cyclictest17365-21tune2fs21:24:463
1701599326,6cyclictest19711-21fschecks_time21:29:453
1701599321,11cyclictest7301-21grep00:44:543
17015993210,4cyclictest13619-21sh00:52:463
1700599326,6cyclictest25-21ksoftirqd/122:24:521
1700599324,10cyclictest4941-21apt-get22:49:441
1700599323,17cyclictest13502-21awk22:59:461
1700599323,15cyclictest11939-21snmp_o5powerctl00:49:581
1701599316,4cyclictest30506-21cat20:44:473
1701599311,9cyclictest2650-21tr20:54:423
17015993110,3cyclictest401ktimersoftd/301:19:553
17011993124,4cyclictest33-21ksoftirqd/220:34:412
17011993118,8cyclictest33-21ksoftirqd/222:24:422
1700599313,16cyclictest14232-21/usr/sbin/munin01:29:591
17005993124,4cyclictest25-21ksoftirqd/100:18:301
1700599312,17cyclictest10569-21diskmemload23:42:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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