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2026-01-11 - 12:37
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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 Sun Jan 11, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
377221760,2sleep10-21swapper/123:31:221
761521540,4sleep21663999cyclictest20:11:422
918821450,3sleep01662899cyclictest23:02:180
106891950,4ptp4l401ktimersoftd/319:23:093
102972910,2sleep10-21swapper/100:42:361
153552680,1sleep30-21swapper/323:09:323
74782630,3sleep10-21swapper/123:01:391
259112620,3sleep025915-21ptp4l19:41:410
161982604,10sleep20-21swapper/219:21:582
124502600,1sleep00-21swapper/000:46:160
145282590,5sleep014529-21cat20:26:410
106891570,1ptp4l401ktimersoftd/322:31:543
68132560,4sleep01662899cyclictest20:11:360
106891560,1ptp4l401ktimersoftd/322:10:313
105791560,3getstats46850irq/99-ens3-TxR19:49:263
106891550,1ptp4l401ktimersoftd/322:38:123
16644995424,8cyclictest41-21ksoftirqd/323:16:243
163442544,39sleep10-21swapper/119:23:511
16644995222,8cyclictest41-21ksoftirqd/323:18:493
16635995241,6cyclictest25-21ksoftirqd/123:36:361
16644995124,4cyclictest41-21ksoftirqd/323:26:363
16644995122,4cyclictest41-21ksoftirqd/300:51:423
16644995121,11cyclictest41-21ksoftirqd/323:36:473
297202500,2sleep10-21swapper/122:17:181
16644995024,7cyclictest41-21ksoftirqd/320:26:383
16644995022,8cyclictest41-21ksoftirqd/320:36:413
16644995020,10cyclictest41-21ksoftirqd/323:01:413
16644995020,10cyclictest41-21ksoftirqd/322:46:503
16644995020,10cyclictest41-21ksoftirqd/322:46:503
16644995019,7cyclictest41-21ksoftirqd/300:36:453
1662899503,8cyclictest101ktimersoftd/023:11:230
1662899503,6cyclictest17826-21bc00:51:370
1662899501,7cyclictest13606-21idleruntime-cro23:41:240
16644994924,4cyclictest41-21ksoftirqd/320:56:203
16644994923,6cyclictest41-21ksoftirqd/300:10:583
16644994923,4cyclictest41-21ksoftirqd/319:26:333
16644994921,7cyclictest41-21ksoftirqd/323:55:563
16644994921,7cyclictest41-21ksoftirqd/320:41:493
16644994920,9cyclictest41-21ksoftirqd/323:56:383
16644994920,10cyclictest41-21ksoftirqd/321:11:503
16644994920,10cyclictest41-21ksoftirqd/300:26:483
16644994920,10cyclictest41-21ksoftirqd/300:26:483
16644994919,9cyclictest41-21ksoftirqd/320:46:333
16644994919,4cyclictest41-21ksoftirqd/321:21:213
16644994919,4cyclictest41-21ksoftirqd/321:01:423
16644994919,4cyclictest41-21ksoftirqd/321:01:423
16644994918,8cyclictest41-21ksoftirqd/300:03:423
16635994938,6cyclictest25-21ksoftirqd/122:26:351
1662899494,8cyclictest29854-21/usr/sbin/munin23:56:470
1662899494,6cyclictest12018-21strings00:11:450
1662899493,8cyclictest2166-21ssh22:22:110
1662899493,7cyclictest5188-21tr22:26:350
1662899493,7cyclictest101ktimersoftd/023:01:230
1662899491,7cyclictest0-21swapper/023:21:550
16644994824,3cyclictest41-21ksoftirqd/323:21:453
16644994820,7cyclictest41-21ksoftirqd/322:46:153
16644994820,7cyclictest41-21ksoftirqd/322:46:153
16644994819,9cyclictest41-21ksoftirqd/321:25:063
16644994819,10cyclictest41-21ksoftirqd/320:21:433
16644994818,8cyclictest41-21ksoftirqd/322:17:303
16644994818,10cyclictest41-21ksoftirqd/321:31:413
16644994818,10cyclictest41-21ksoftirqd/320:31:503
16644994818,10cyclictest41-21ksoftirqd/300:21:483
1662899484,6cyclictest6391-21tail21:16:440
1662899483,7cyclictest2897-21tail00:01:540
1662899482,8cyclictest31557-21unixbench_multi22:51:590
1664499473,7cyclictest41-21ksoftirqd/320:11:503
1664499471,9cyclictest4201-21apt-get23:31:373
1662899473,6cyclictest6246-21latency_hist20:11:200
1662899472,6cyclictest2448-21latency_hist21:11:210
1662899472,6cyclictest18139-21sed23:11:430
1662899472,6cyclictest10056-21wc21:26:340
1664499466,3cyclictest41-21ksoftirqd/321:26:383
16644994618,9cyclictest41-21ksoftirqd/321:36:403
16644994618,10cyclictest41-21ksoftirqd/321:56:523
16644994618,10cyclictest41-21ksoftirqd/321:51:353
16644994617,9cyclictest41-21ksoftirqd/321:41:423
16644994617,8cyclictest41-21ksoftirqd/323:46:383
16644994616,9cyclictest41-21ksoftirqd/321:46:333
1662899465,6cyclictest31896-21grep21:46:510
1662899464,6cyclictest101ktimersoftd/023:26:430
1662899462,6cyclictest101ktimersoftd/000:51:260
1664499457,3cyclictest41-21ksoftirqd/319:36:333
1664499455,5cyclictest41-21ksoftirqd/322:11:373
1664499453,8cyclictest41-21ksoftirqd/320:06:343
16644994535,3cyclictest41-21ksoftirqd/323:41:353
1664499452,9cyclictest41-21ksoftirqd/300:41:453
16644994522,4cyclictest41-21ksoftirqd/322:58:113
16644994518,8cyclictest41-21ksoftirqd/320:56:373
16644994518,8cyclictest41-21ksoftirqd/320:56:373
16644994517,10cyclictest41-21ksoftirqd/320:01:433
16644994516,8cyclictest41-21ksoftirqd/300:33:263
16644994513,7cyclictest41-21ksoftirqd/300:13:173
16644994513,11cyclictest41-21ksoftirqd/322:01:413
16635994539,3cyclictest25-21ksoftirqd/123:06:341
1662899455,6cyclictest101ktimersoftd/021:51:400
1662899454,6cyclictest32405-21awk00:31:540
1662899452,8cyclictest233-21systemd-journal00:41:250
1662899452,7cyclictest101ktimersoftd/000:21:560
1662899451,7cyclictest9309-21grep20:16:370
1662899451,6cyclictest7718-21cat21:21:340
1662899451,6cyclictest21837-21unixbench-2d21:36:520
1664499446,9cyclictest41-21ksoftirqd/319:31:283
16644994431,3cyclictest41-21ksoftirqd/321:06:423
1664499442,3cyclictest41-21ksoftirqd/319:41:343
16644994419,4cyclictest41-21ksoftirqd/319:51:383
16644994419,3cyclictest41-21ksoftirqd/300:17:033
16644994418,4cyclictest41-21ksoftirqd/300:47:503
16644994417,9cyclictest41-21ksoftirqd/322:31:003
16644994416,10cyclictest41-21ksoftirqd/320:16:493
16644994414,10cyclictest41-21ksoftirqd/322:54:063
1662899446,3cyclictest9-21ksoftirqd/019:46:370
1662899443,7cyclictest26489-21ssh21:41:440
1662899442,7cyclictest15907-21irqrtprio21:31:380
1662899440,8cyclictest16010-21chrt22:36:400
16635994333,6cyclictest25-21ksoftirqd/122:11:341
1663599431,5cyclictest121rcu_preempt22:51:451
1662899434,7cyclictest22224-21sort22:11:220
1662899433,7cyclictest25771-21sh22:46:410
1662899433,7cyclictest25771-21sh22:46:410
1662899432,6cyclictest101ktimersoftd/021:16:200
1662899432,6cyclictest101ktimersoftd/020:46:200
1662899431,6cyclictest101ktimersoftd/021:01:200
1662899431,6cyclictest101ktimersoftd/021:01:200
16644994213,8cyclictest41-21ksoftirqd/322:21:243
1664499420,6cyclictest511-21ps19:56:413
1662899424,7cyclictest19482-21munin-node19:31:210
1662899424,6cyclictest9-21ksoftirqd/022:05:250
1662899423,6cyclictest101ktimersoftd/020:51:350
1662899422,8cyclictest28089-21expr22:16:390
1662899422,5cyclictest101ktimersoftd/021:06:200
1662899422,5cyclictest101ktimersoftd/021:06:200
1662899420,7cyclictest6906-21sed00:06:430
1663999413,32cyclictest7106-21rm23:01:342
16635994135,3cyclictest25-21ksoftirqd/123:11:281
1662899413,8cyclictest17441-21awk19:26:350
1662899412,6cyclictest101ktimersoftd/020:36:200
1662899411,6cyclictest101ktimersoftd/022:46:220
1662899411,6cyclictest101ktimersoftd/022:46:220
1662899410,7cyclictest12644-21switchtime20:21:470
1662899410,7cyclictest101ktimersoftd/023:51:370
1662899410,6cyclictest101ktimersoftd/023:46:430
145372410,2sleep00-21swapper/023:41:400
16635994027,3cyclictest25-21ksoftirqd/122:36:311
16635994025,4cyclictest25-21ksoftirqd/121:56:341
16635994013,4cyclictest25-21ksoftirqd/122:01:451
1662899401,7cyclictest31596-21sed19:56:190
1662899400,8cyclictest101ktimersoftd/022:34:380
1662899400,6cyclictest101ktimersoftd/021:56:340
1662899400,6cyclictest101ktimersoftd/000:26:350
1662899400,6cyclictest101ktimersoftd/000:26:350
1663599396,4cyclictest25-21ksoftirqd/100:51:441
1663599395,5cyclictest25-21ksoftirqd/121:11:211
1663599393,7cyclictest25-21ksoftirqd/100:26:541
1663599393,7cyclictest25-21ksoftirqd/100:26:541
16635993911,8cyclictest25-21ksoftirqd/122:31:461
1662899392,6cyclictest9-21ksoftirqd/022:13:090
1662899391,7cyclictest22760-21sed19:36:330
1662899390,7cyclictest101ktimersoftd/020:36:360
1625423921,8sleep00-21swapper/019:22:410
1663999383,5cyclictest0-21swapper/219:51:292
16639993831,4cyclictest24379-21latency_hist19:41:182
1663999382,6cyclictest0-21swapper/200:06:362
1663599383,8cyclictest25-21ksoftirqd/120:21:201
16635993813,4cyclictest25-21ksoftirqd/119:41:391
1662899386,7cyclictest9-21ksoftirqd/023:17:040
1662899380,7cyclictest23969-21cut20:46:380
1663999374,9cyclictest25248-21apt-get21:41:342
16639993713,20cyclictest29671-21latency23:56:452
16639993712,3cyclictest18579-21cat20:36:332
1663599378,4cyclictest25-21ksoftirqd/122:21:511
1663599376,4cyclictest121rcu_preempt00:46:551
16635993732,3cyclictest25-21ksoftirqd/121:56:221
16635993731,3cyclictest25-21ksoftirqd/122:56:361
16635993731,3cyclictest25-21ksoftirqd/121:31:261
16635993723,3cyclictest25-21ksoftirqd/100:11:251
1663599370,8cyclictest25-21ksoftirqd/123:21:241
1662899375,7cyclictest9-21ksoftirqd/000:17:470
16639993613,3cyclictest5399-21sh21:16:362
16639993611,4cyclictest20102-21expr22:41:362
16639993611,4cyclictest20102-21expr22:41:362
16639993610,4cyclictest30965-21fschecks_count00:31:402
16635993632,2cyclictest25-21ksoftirqd/120:46:201
16635993631,3cyclictest25-21ksoftirqd/100:01:411
16635993630,3cyclictest25-21ksoftirqd/123:41:461
1663599362,3cyclictest121rcu_preempt23:46:401
16635993620,7cyclictest25-21ksoftirqd/121:41:441
16635993620,3cyclictest25-21ksoftirqd/119:31:321
1663599361,3cyclictest121rcu_preempt21:51:221
16635993610,5cyclictest25-21ksoftirqd/120:26:371
1663999351,5cyclictest0-21swapper/219:26:292
16639993513,4cyclictest7465-21sh21:56:232
16639993513,3cyclictest17315-21sh00:51:132
16639993512,4cyclictest2251-21sh23:28:472
16639993512,3cyclictest21523-21sh22:10:312
16639993510,4cyclictest26005-21expr00:26:372
16639993510,4cyclictest26005-21expr00:26:372
1663599354,8cyclictest25-21ksoftirqd/119:26:391
1663599354,7cyclictest25-21ksoftirqd/100:36:391
16635993530,3cyclictest25-21ksoftirqd/122:51:231
16635993530,3cyclictest25-21ksoftirqd/122:51:231
16635993529,3cyclictest47050irq/101-ens3-Tx00:21:381
16635993529,3cyclictest25-21ksoftirqd/122:41:391
16635993529,3cyclictest25-21ksoftirqd/122:41:391
1663599352,8cyclictest25-21ksoftirqd/121:36:531
16635993520,7cyclictest25-21ksoftirqd/122:06:381
16635993510,8cyclictest25-21ksoftirqd/123:51:441
1662899355,6cyclictest9-21ksoftirqd/023:33:590
1663999349,4cyclictest2118-21fschecks_time20:01:342
1663999342,11cyclictest0-21swapper/200:41:432
1663999342,10cyclictest21626-21irqrtprio00:21:442
1663999341,4cyclictest24778-21apt-get22:46:342
1663999341,4cyclictest24778-21apt-get22:46:342
16639993413,4cyclictest14334-21sh22:36:072
16639993413,3cyclictest8924-21sh22:30:172
16639993413,3cyclictest29662-21sh22:51:352
16639993413,3cyclictest11668-21sh23:38:062
16639993412,4cyclictest19033-21sh22:40:402
16639993412,3cyclictest29963-21sh23:24:032
16639993412,3cyclictest19695-21sh00:20:212
16639993410,4cyclictest12736-21grep22:01:352
16639993410,3cyclictest24599-21cat20:46:492
1663599344,5cyclictest25-21ksoftirqd/100:11:401
16635993429,3cyclictest25-21ksoftirqd/119:46:381
16635993428,3cyclictest25-21ksoftirqd/123:21:241
16635993428,3cyclictest25-21ksoftirqd/121:16:361
16635993428,3cyclictest25-21ksoftirqd/120:51:421
16635993428,3cyclictest25-21ksoftirqd/120:26:191
16635993428,3cyclictest25-21ksoftirqd/120:16:201
16635993424,8cyclictest25-21ksoftirqd/123:59:181
16635993422,4cyclictest25-21ksoftirqd/120:46:491
16635993422,4cyclictest25-21ksoftirqd/119:36:341
16635993413,7cyclictest25-21ksoftirqd/120:36:381
1663599340,2cyclictest121rcu_preempt23:33:051
1663599340,2cyclictest121rcu_preempt21:11:251
1662899340,6cyclictest101ktimersoftd/019:56:320
1663999339,5cyclictest2242-21ssh22:56:372
1663999338,4cyclictest28509-21irqrtprio20:56:392
1663999338,4cyclictest28509-21irqrtprio20:56:392
1663999338,3cyclictest22906-21latency_hist20:46:202
1663999332,7cyclictest26811-21snmp_o5powerctl20:51:442
1663999332,6cyclictest32597-21apt-get21:06:322
16639993313,3cyclictest21837-21sh23:16:282
16639993313,3cyclictest20932-21sh23:47:142
16639993312,4cyclictest19091-21proc_pri00:51:482
16639993312,3cyclictest17335-21sh23:44:262
16639993311,5cyclictest47150irq/102-ens3-Tx21:31:432
16639993311,4cyclictest11865-21sh23:06:312
16639993311,3cyclictest24458-21sh22:12:082
16639993311,3cyclictest12976-21sh00:12:192
16639993310,4cyclictest3188-21grep21:11:362
16639993310,4cyclictest27054-21sh23:54:222
16639993310,3cyclictest16189-21expr20:31:342
1663999330,4cyclictest17048-21acpi23:11:342
1663599336,3cyclictest25-21ksoftirqd/120:31:391
1663599335,11cyclictest25-21ksoftirqd/121:01:331
1663599335,11cyclictest25-21ksoftirqd/121:01:331
16635993327,3cyclictest25-21ksoftirqd/121:21:371
16635993327,3cyclictest25-21ksoftirqd/100:16:501
16635993314,9cyclictest25-21ksoftirqd/120:56:351
16635993314,9cyclictest25-21ksoftirqd/120:56:351
1663999329,4cyclictest30170-21sh22:18:042
1663999329,3cyclictest32281-21cut19:56:352
16639993212,3cyclictest5098-21seq20:06:382
16639993211,3cyclictest32485-21sh21:47:382
1663599326,4cyclictest25-21ksoftirqd/119:51:361
16635993227,3cyclictest25-21ksoftirqd/120:06:311
16635993227,3cyclictest25-21ksoftirqd/120:01:191
16635993226,3cyclictest25-21ksoftirqd/121:26:401
16635993226,3cyclictest25-21ksoftirqd/100:31:551
1662899324,7cyclictest9-21ksoftirqd/020:01:410
1663999319,4cyclictest5856-21sort23:31:532
1663999319,3cyclictest5609-21latency_hist00:06:252
16639993110,3cyclictest4117-21sensors21:51:452
16635993126,3cyclictest25-21ksoftirqd/120:01:321
1663999309,3cyclictest32331-21sed21:06:202
1663999309,3cyclictest32331-21sed21:06:202
1663999303,7cyclictest13613-21apt-get20:26:342
16639993012,4cyclictest33-21ksoftirqd/221:23:192
1663999299,3cyclictest7080-21sh00:40:282
1663999291,4cyclictest26029-21snmp_o5powerctl19:41:452
1663999271,11cyclictest21555-21snmp_o5powerctl21:36:482
16639992418,4cyclictest33-21ksoftirqd/221:31:022
16639992418,3cyclictest33-21ksoftirqd/219:51:142
16639992318,3cyclictest33-21ksoftirqd/220:20:342
16639992116,3cyclictest33-21ksoftirqd/220:25:592
1663999211,17cyclictest0-21swapper/219:31:192
16639992013,4cyclictest1278-21open_files22:21:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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