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2026-07-31 - 09:50
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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 highest latencies:
System rackbslot6.osadl.org (updated Fri Jul 31, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1859621770,5sleep12712499cyclictest22:03:011
960721500,4sleep22712899cyclictest01:17:502
1068911050,4ptp4l401ktimersoftd/321:14:483
106891710,1ptp4l401ktimersoftd/301:30:033
42852630,1sleep00-21swapper/002:18:020
278252630,3sleep02711799cyclictest02:08:300
141132630,6sleep114112-21systemctl23:42:571
106891630,1ptp4l401ktimersoftd/300:25:213
106891630,10ptp4l401ktimersoftd/300:04:573
99522620,2sleep10-21swapper/101:17:531
96612610,4sleep22712899cyclictest01:50:502
156362590,4sleep015641-21needreboot21:57:500
49372570,4sleep12712499cyclictest01:46:071
106891570,1ptp4l401ktimersoftd/300:57:433
53012560,5sleep341-21ksoftirqd/300:39:403
267292564,40sleep10-21swapper/121:13:461
106891560,1ptp4l401ktimersoftd/300:48:103
169292540,2sleep10-21swapper/123:07:561
210562490,2sleep00-21swapper/000:56:160
106891480,1ptp4l401ktimersoftd/301:19:313
106891460,1ptp4l401ktimersoftd/301:06:523
27136994537,4cyclictest41-21ksoftirqd/300:27:453
27136994537,4cyclictest41-21ksoftirqd/300:27:453
106891450,2ptp4l8404-21kworker/3:000:19:013
27136994437,3cyclictest41-21ksoftirqd/321:22:433
106891430,1ptp4l401ktimersoftd/322:39:283
106891430,1ptp4l401ktimersoftd/301:38:193
106891420,1ptp4l401ktimersoftd/322:02:543
106891420,1ptp4l401ktimersoftd/302:25:293
106891410,1ptp4l401ktimersoftd/323:17:413
106891410,1ptp4l401ktimersoftd/302:22:333
106891400,1ptp4l401ktimersoftd/322:20:493
37892390,3sleep2311rcuc/222:42:442
27136993932,4cyclictest41-21ksoftirqd/302:07:493
106891390,1ptp4l401ktimersoftd/323:24:033
106891390,1ptp4l401ktimersoftd/301:51:023
106891390,1ptp4l401ktimersoftd/301:07:533
106891390,1ptp4l401ktimersoftd/300:44:253
106891390,1ptp4l401ktimersoftd/300:44:253
27136993832,3cyclictest41-21ksoftirqd/302:12:503
27136993831,4cyclictest41-21ksoftirqd/321:37:443
106891380,1ptp4l401ktimersoftd/323:43:593
106891380,1ptp4l401ktimersoftd/302:28:033
106891380,1ptp4l401ktimersoftd/302:28:033
106891380,1ptp4l401ktimersoftd/301:46:333
106891380,1ptp4l401ktimersoftd/301:26:513
106891380,1ptp4l401ktimersoftd/301:16:263
106891380,1ptp4l401ktimersoftd/300:00:503
106891380,14ptp4l401ktimersoftd/300:52:553
106891380,0ptp4l401ktimersoftd/300:15:213
27136993730,4cyclictest41-21ksoftirqd/322:12:423
27128993731,4cyclictest33-21ksoftirqd/200:22:342
106891370,1ptp4l401ktimersoftd/323:38:413
106891370,1ptp4l401ktimersoftd/323:30:273
106891370,1ptp4l401ktimersoftd/322:22:473
106891370,1ptp4l401ktimersoftd/302:46:203
106891370,1ptp4l401ktimersoftd/301:33:093
106891370,1ptp4l401ktimersoftd/300:34:373
106891370,1ptp4l401ktimersoftd/300:12:063
106891370,0ptp4l401ktimersoftd/302:42:283
27136993629,4cyclictest41-21ksoftirqd/323:47:463
27136993629,4cyclictest41-21ksoftirqd/322:42:433
106891360,1ptp4l401ktimersoftd/323:54:343
106891360,1ptp4l401ktimersoftd/323:33:283
106891360,1ptp4l401ktimersoftd/321:52:493
106891360,1ptp4l401ktimersoftd/321:31:363
106891360,1ptp4l401ktimersoftd/302:03:203
27136993529,3cyclictest41-21ksoftirqd/322:52:433
27136993529,3cyclictest41-21ksoftirqd/322:52:433
27128993522,10cyclictest33-21ksoftirqd/221:37:462
77012340,5sleep27698-21diskstats00:42:492
77012340,5sleep27698-21diskstats00:42:492
27136993327,3cyclictest41-21ksoftirqd/323:12:423
27136993327,3cyclictest41-21ksoftirqd/321:47:413
27128993327,3cyclictest33-21ksoftirqd/200:37:342
27128993318,13cyclictest33-21ksoftirqd/200:48:052
233662330,1sleep20-21swapper/200:25:462
27136993226,3cyclictest41-21ksoftirqd/323:07:323
27128993226,3cyclictest33-21ksoftirqd/222:17:322
27128993219,11cyclictest33-21ksoftirqd/223:27:522
27117993220,9cyclictest9-21ksoftirqd/001:02:220
106891320,1ptp4l401ktimersoftd/321:42:543
106891320,1ptp4l401ktimersoftd/321:17:453
27136993126,3cyclictest41-21ksoftirqd/323:02:323
2712899313,3cyclictest33-21ksoftirqd/223:38:032
27128993126,3cyclictest33-21ksoftirqd/201:52:532
27128993125,3cyclictest33-21ksoftirqd/222:47:442
27128993124,4cyclictest33-21ksoftirqd/202:02:572
252182316,11sleep00-21swapper/021:12:440
199542310,4sleep125-21ksoftirqd/100:54:241
106891310,1ptp4l401ktimersoftd/322:48:213
106891310,1ptp4l401ktimersoftd/322:34:073
106891310,1ptp4l401ktimersoftd/322:01:033
106891310,1ptp4l401ktimersoftd/302:33:463
106891310,1ptp4l401ktimersoftd/301:57:233
106891310,0ptp4l401ktimersoftd/301:58:203
27128993025,3cyclictest33-21ksoftirqd/223:22:332
27128993025,3cyclictest33-21ksoftirqd/200:02:482
27128993024,3cyclictest33-21ksoftirqd/202:27:512
27128993024,3cyclictest33-21ksoftirqd/202:27:512
27128993024,3cyclictest33-21ksoftirqd/201:22:552
106891300,1ptp4l401ktimersoftd/323:11:303
27128992924,3cyclictest33-21ksoftirqd/222:37:312
27128992924,3cyclictest33-21ksoftirqd/202:38:052
27128992924,3cyclictest33-21ksoftirqd/201:12:562
27124992923,3cyclictest25-21ksoftirqd/123:22:331
27124992919,6cyclictest241ktimersoftd/102:42:501
27117992924,3cyclictest9-21ksoftirqd/021:27:300
27136992823,3cyclictest41-21ksoftirqd/321:37:303
27128992824,3cyclictest33-21ksoftirqd/202:42:552
27128992823,3cyclictest33-21ksoftirqd/221:22:302
27128992823,3cyclictest33-21ksoftirqd/202:33:082
27128992823,3cyclictest33-21ksoftirqd/201:27:492
27128992822,3cyclictest33-21ksoftirqd/223:07:332
27128992822,3cyclictest33-21ksoftirqd/202:22:362
27128992822,3cyclictest33-21ksoftirqd/201:42:492
27128992822,3cyclictest33-21ksoftirqd/201:42:362
27128992822,3cyclictest33-21ksoftirqd/200:37:472
262292285,10sleep20-21swapper/221:12:542
32772270,2sleep10-21swapper/100:37:541
27136992715,3cyclictest41-21ksoftirqd/322:27:483
2712899274,2cyclictest18567-21ssh00:52:572
27128992722,3cyclictest33-21ksoftirqd/223:52:542
27128992722,3cyclictest33-21ksoftirqd/201:57:542
27128992721,3cyclictest33-21ksoftirqd/222:52:502
27128992721,3cyclictest33-21ksoftirqd/222:52:502
27128992716,9cyclictest33-21ksoftirqd/202:27:362
27124992720,4cyclictest25-21ksoftirqd/123:37:591
27117992721,3cyclictest9-21ksoftirqd/021:39:540
27136992621,3cyclictest41-21ksoftirqd/322:07:423
27128992621,3cyclictest33-21ksoftirqd/202:07:512
27128992620,3cyclictest33-21ksoftirqd/223:42:532
27128992620,3cyclictest33-21ksoftirqd/222:17:512
27128992617,6cyclictest33-21ksoftirqd/223:22:472
27128992610,3cyclictest33-21ksoftirqd/223:57:362
2712499269,15cyclictest23918-21kworker/u8:101:33:151
27124992621,3cyclictest25-21ksoftirqd/100:22:341
27124992617,5cyclictest17772-21grep01:58:061
2711799263,18cyclictest4641-21ssh01:12:500
27117992621,3cyclictest9-21ksoftirqd/023:47:330
27117992620,3cyclictest9-21ksoftirqd/023:12:530
27117992620,3cyclictest9-21ksoftirqd/022:31:100
27117992620,3cyclictest9-21ksoftirqd/021:28:110
2712899256,16cyclictest28300-21needreboot01:02:562
27128992520,3cyclictest33-21ksoftirqd/223:37:332
27128992520,3cyclictest33-21ksoftirqd/221:22:312
27128992519,3cyclictest33-21ksoftirqd/222:07:312
27128992519,3cyclictest33-21ksoftirqd/221:32:592
27128992518,4cyclictest33-21ksoftirqd/222:38:142
27128992513,9cyclictest33-21ksoftirqd/222:32:312
27128992513,6cyclictest33-21ksoftirqd/200:07:462
27124992519,3cyclictest25-21ksoftirqd/122:38:091
27124992519,3cyclictest25-21ksoftirqd/121:52:431
27124992518,4cyclictest25-21ksoftirqd/123:04:271
27124992513,9cyclictest711-21irqrtprio00:02:531
27124992510,12cyclictest233-21systemd-journal21:42:301
27117992520,3cyclictest9-21ksoftirqd/002:27:580
27117992520,3cyclictest9-21ksoftirqd/002:27:580
27117992519,3cyclictest9-21ksoftirqd/021:51:230
27117992513,3cyclictest9-21ksoftirqd/000:37:470
2712899243,10cyclictest121rcu_preempt00:58:032
27128992419,3cyclictest33-21ksoftirqd/222:02:312
27128992419,3cyclictest33-21ksoftirqd/202:17:362
27128992417,4cyclictest33-21ksoftirqd/223:13:522
27128992417,4cyclictest33-21ksoftirqd/222:59:422
27128992417,4cyclictest33-21ksoftirqd/222:09:282
27124992419,3cyclictest25-21ksoftirqd/101:07:501
27124992418,4cyclictest25-21ksoftirqd/121:19:571
27124992417,4cyclictest25-21ksoftirqd/102:22:531
2711799242,19cyclictest5084-21tr00:07:480
27117992419,3cyclictest9-21ksoftirqd/023:26:540
27117992419,3cyclictest9-21ksoftirqd/001:02:470
27117992418,3cyclictest9-21ksoftirqd/022:45:580
27117992417,4cyclictest9-21ksoftirqd/022:58:440
27117992417,3cyclictest2093-21sh00:37:340
27128992319,3cyclictest33-21ksoftirqd/200:27:532
27128992319,3cyclictest33-21ksoftirqd/200:27:532
27128992318,3cyclictest33-21ksoftirqd/200:12:562
27128992317,3cyclictest33-21ksoftirqd/221:47:312
27128992316,4cyclictest33-21ksoftirqd/221:54:312
27124992318,3cyclictest25-21ksoftirqd/122:56:311
27124992318,3cyclictest25-21ksoftirqd/122:56:311
27124992318,3cyclictest25-21ksoftirqd/122:47:311
27124992318,3cyclictest25-21ksoftirqd/121:22:311
27124992318,3cyclictest25-21ksoftirqd/100:17:331
27124992317,4cyclictest25-21ksoftirqd/122:33:361
27124992316,4cyclictest4143-21grep21:32:571
27124992316,4cyclictest22431-21ssh01:30:311
27124992314,5cyclictest15353-21missed_timers01:22:561
2711799233,12cyclictest22927-21ssh02:37:490
27117992318,3cyclictest9-21ksoftirqd/023:37:100
27117992318,3cyclictest9-21ksoftirqd/022:52:220
27117992318,3cyclictest9-21ksoftirqd/000:27:500
27117992318,3cyclictest9-21ksoftirqd/000:27:500
27117992317,4cyclictest9-21ksoftirqd/023:10:480
27128992217,3cyclictest33-21ksoftirqd/221:27:432
27128992214,5cyclictest854-21needreboot01:08:012
27124992216,4cyclictest4075-21tail23:32:551
27124992215,4cyclictest29510-21cut22:27:481
27124992215,4cyclictest25-21ksoftirqd/123:17:161
27124992215,4cyclictest12914-21/usr/sbin/munin02:27:561
27124992215,4cyclictest12914-21/usr/sbin/munin02:27:561
27124992213,6cyclictest6170-21cut00:07:581
27124992213,5cyclictest13602-21proc_pri00:47:571
2712499221,17cyclictest22572-21sed02:03:071
27117992217,3cyclictest27552-21kworker/0:023:47:520
27117992216,4cyclictest9-21ksoftirqd/022:11:390
27117992215,4cyclictest9-21ksoftirqd/022:02:350
27117992215,4cyclictest23817-21proc_pri23:52:560
27117992215,4cyclictest15272-21cron23:07:320
2711799221,19cyclictest0-21swapper/021:37:270
2711799220,3cyclictest121rcu_preempt00:17:340
2712899214,9cyclictest18960-21tail23:47:562
27128992116,3cyclictest33-21ksoftirqd/223:12:332
27128992116,3cyclictest33-21ksoftirqd/201:33:062
27128992115,4cyclictest33-21ksoftirqd/221:48:282
27124992116,3cyclictest25-21ksoftirqd/100:35:171
27124992115,3cyclictest25-21ksoftirqd/123:49:441
27124992115,3cyclictest25-21ksoftirqd/123:29:201
27124992115,3cyclictest12408-21sh01:52:581
2712499211,4cyclictest1725-21snmp_o5powerctl21:27:551
27124992114,4cyclictest29343-21sh02:11:071
27124992114,4cyclictest27000-21sh23:23:051
27124992114,4cyclictest25-21ksoftirqd/122:50:421
27124992114,4cyclictest1055-21runrttasks01:40:521
27117992117,3cyclictest9-21ksoftirqd/001:27:470
27117992116,3cyclictest9-21ksoftirqd/023:31:050
27117992116,3cyclictest9-21ksoftirqd/022:32:590
27117992115,4cyclictest9-21ksoftirqd/000:26:120
27117992115,3cyclictest9198-21grep02:22:570
27117992114,4cyclictest27590-21grep22:22:500
27117992114,4cyclictest1275-21acpi01:42:470
2711799211,17cyclictest20026-21diskmemload23:21:550
136402210,2sleep00-21swapper/001:54:170
2712499203,14cyclictest24599-21cut22:17:461
27124992016,3cyclictest25-21ksoftirqd/123:52:561
27124992015,3cyclictest25-21ksoftirqd/101:52:211
27124992014,4cyclictest25-21ksoftirqd/122:24:411
27124992014,4cyclictest25-21ksoftirqd/121:51:121
27124992014,3cyclictest7401-21/usr/sbin/munin21:43:001
27124992013,4cyclictest32125-21swap02:13:061
27124992013,4cyclictest29022-21sed23:58:021
27124992013,4cyclictest27020-21ssh02:41:591
27124992013,4cyclictest21402-21sh22:12:311
27124992013,4cyclictest18989-21sh02:33:011
27124992013,4cyclictest10773-21/usr/sbin/munin22:57:471
27124992012,4cyclictest24008-21latency_hist22:17:321
27117992015,3cyclictest9-21ksoftirqd/002:42:500
27117992015,3cyclictest9-21ksoftirqd/001:50:360
27117992014,4cyclictest233-21systemd-journal00:47:340
27117992014,4cyclictest233-21systemd-journal00:47:340
27117992014,4cyclictest14611-21grep01:22:520
2711799201,3cyclictest29175-21df_inode01:37:500
2711799201,3cyclictest20026-21diskmemload01:36:020
27117992013,4cyclictest20026-21diskmemload23:58:100
27117992013,4cyclictest20026-21diskmemload23:40:390
2711799201,2cyclictest0-21swapper/021:17:340
2711799201,2cyclictest0-21swapper/001:10:400
27117992012,4cyclictest17083-21needreboot01:57:560
2711799201,17cyclictest0-21swapper/022:21:560
2711799201,17cyclictest0-21swapper/022:12:400
2711799200,18cyclictest0-21swapper/022:57:210
2711799200,18cyclictest0-21swapper/022:57:210
27128991913,3cyclictest28236-21unixbench-2d22:22:592
2712499197,9cyclictest0-21swapper/100:28:341
2712499197,9cyclictest0-21swapper/100:28:341
27124991913,3cyclictest3264-21sh02:17:531
27124991913,3cyclictest16730-21cut22:02:311
27124991912,4cyclictest8032-21sh00:42:511
27124991912,4cyclictest8032-21sh00:42:511
27124991911,5cyclictest27684-21sed01:02:521
27117991913,3cyclictest2616-21cut22:37:530
2711799191,2cyclictest0-21swapper/002:06:210
27117991912,4cyclictest20026-21diskmemload00:48:190
27117991912,4cyclictest17772-21/usr/sbin/munin02:33:080
2711799191,16cyclictest27110-21cyclictest01:19:280
2711799191,16cyclictest0-21swapper/021:45:030
27117991911,5cyclictest31663-21latency02:12:580
2711799190,3cyclictest587-21modprobe00:02:520
2711799190,2cyclictest0-21swapper/000:15:100
2711799190,16cyclictest12745-21if_enp1s021:52:470
2712499189,5cyclictest22252-21cpu00:57:471
27124991812,3cyclictest20217-21fschecks_count00:22:491
27124991711,3cyclictest4952-21fschecks_count01:12:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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