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2025-10-13 - 17:32
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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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackbslot4.osadl.org (updated Mon Oct 13, 2025 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25828995923,31cyclictest22101-21grep04:36:370
2583299586,46cyclictest0-21swapper/106:48:121
2583299573,48cyclictest0-21swapper/105:21:041
2584099564,46cyclictest0-21swapper/206:14:432
2583299562,8cyclictest4457-21ssh05:00:141
2583299553,47cyclictest0-21swapper/105:46:231
25832995510,39cyclictest0-21swapper/104:50:081
25828995517,31cyclictest13145-21cut02:11:440
2584099545,7cyclictest0-21swapper/206:33:422
2584099543,18cyclictest0-21swapper/202:16:182
2584099542,6cyclictest17425-21ssh04:28:352
2583299543,45cyclictest6909-21ssh06:43:301
25828995418,30cyclictest11893-21grep06:51:220
25828995414,34cyclictest6463-21unixbench_multi01:52:000
25828995414,34cyclictest4629-21unixbench_singl01:47:010
2584099535,5cyclictest8-21rcu_preempt06:01:232
2584099535,42cyclictest0-21swapper/206:09:032
2584099535,42cyclictest0-21swapper/205:23:542
2584099535,42cyclictest0-21swapper/204:23:252
2584099533,8cyclictest0-21swapper/206:43:022
2582899532,45cyclictest26734-21grep03:51:590
25828995316,32cyclictest17641-21/usr/sbin/munin05:21:380
25828995314,33cyclictest3293-21awk04:06:490
25828995312,35cyclictest29232-21latency03:56:460
25828995312,34cyclictest32677-21missed_timers01:36:530
2524125311,36sleep20-21swapper/201:17:142
2524125311,36sleep20-21swapper/201:17:142
2584099524,42cyclictest0-21swapper/206:38:032
2584099524,42cyclictest0-21swapper/205:02:542
2584099524,11cyclictest0-21swapper/206:29:122
2584099523,43cyclictest0-21swapper/206:05:032
2584099523,43cyclictest0-21swapper/204:43:452
2583299523,43cyclictest0-21swapper/105:55:431
2583299523,43cyclictest0-21swapper/103:56:461
25828995222,25cyclictest7589-21idleruntime01:56:430
25828995220,27cyclictest9229-21timerandwakeup05:06:550
25828995219,27cyclictest12602-21idleruntime04:21:420
25828995218,29cyclictest19651-21grep02:27:020
25828995218,29cyclictest17585-21/usr/sbin/munin06:11:380
25828995216,30cyclictest26947-21kernelversion01:21:480
25828995216,30cyclictest10238-21kernelversion03:26:490
25828995215,32cyclictest11771-21rt-features02:06:540
25828995213,33cyclictest13802-21awk03:31:550
25828995211,36cyclictest378-21systemd-journal05:05:130
2584099514,5cyclictest0-21swapper/205:15:042
2584099514,41cyclictest0-21swapper/205:40:492
2584099514,23cyclictest0-21swapper/203:59:042
2584099514,21cyclictest0-21swapper/204:56:392
2584099513,43cyclictest0-21swapper/204:34:352
2584099513,43cyclictest0-21swapper/204:34:352
2584099513,43cyclictest0-21swapper/201:27:452
2584099513,42cyclictest0-21swapper/204:52:052
25840995112,6cyclictest0-21swapper/201:46:552
2583299515,40cyclictest0-21swapper/105:10:061
25832995121,25cyclictest21-21ksoftirqd/106:01:081
2582899519,25cyclictest28102cat03:11:270
25828995116,30cyclictest667-21runrttasks02:45:260
25828995116,30cyclictest667-21runrttasks02:45:260
25828995116,30cyclictest667-21runrttasks02:34:070
25828995116,29cyclictest22891-21ntpq02:36:510
25828995115,31cyclictest2070-21sh04:06:000
25828995113,33cyclictest9477-21interrupts04:16:440
25828995112,34cyclictest15680-21unixbench_singl05:16:550
25828995112,32cyclictest29053-21netstat04:46:470
25828995111,34cyclictest16659-21cpu02:21:410
2584099509,35cyclictest0-21swapper/206:47:222
2584099504,40cyclictest0-21swapper/206:20:012
2584099504,40cyclictest0-21swapper/206:20:012
2584099503,41cyclictest0-21swapper/205:55:332
25840995012,32cyclictest0-21swapper/204:20:052
2583299508,38cyclictest25291-21latency_hist03:51:261
2583299505,39cyclictest0-21swapper/106:28:131
2583299504,8cyclictest0-21swapper/105:13:041
2583299504,40cyclictest0-21swapper/104:34:211
2583299504,40cyclictest0-21swapper/104:34:211
2583299504,40cyclictest0-21swapper/103:37:421
25832995011,6cyclictest0-21swapper/106:22:051
2582899504,6cyclictest0-21swapper/004:27:530
2582899503,9cyclictest0-21swapper/006:21:500
2582899503,42cyclictest30484-21aten_rbpower_vo05:41:370
2582899502,12cyclictest78672timerwakeupswit03:22:000
25828995017,28cyclictest8572-21awk05:56:540
25828995017,27cyclictest26933-21crond05:36:230
25828995017,27cyclictest26933-21crond05:36:230
25828995013,32cyclictest6042-21timerandwakeup06:41:500
25828995013,31cyclictest378-21systemd-journal01:41:410
25828995013,31cyclictest11204-21cpu05:11:360
25828995012,34cyclictest20924-21runrttasks05:26:410
25828995011,33cyclictest26506-21sed02:46:480
25828995011,33cyclictest26506-21sed02:46:480
25828995011,32cyclictest4784-21/usr/sbin/munin03:16:410
252372509,14sleep30-21swapper/301:17:113
252372509,14sleep30-21swapper/301:17:113
209362500,4sleep3361ktimersoftd/303:43:293
209362500,4sleep3361ktimersoftd/303:43:293
25846994910,33cyclictest574-21dbus-daemon05:26:243
2584099495,38cyclictest0-21swapper/201:41:482
2584099494,39cyclictest0-21swapper/205:19:032
2584099494,39cyclictest0-21swapper/204:02:392
2584099494,39cyclictest0-21swapper/203:29:352
2584099493,41cyclictest0-21swapper/204:46:532
2584099493,41cyclictest0-21swapper/201:51:562
2584099493,40cyclictest0-21swapper/203:50:062
2583299499,16cyclictest0-21swapper/104:38:491
2583299497,13cyclictest0-21swapper/104:51:291
2583299494,9cyclictest0-21swapper/106:09:131
2583299494,39cyclictest0-21swapper/104:43:311
2583299494,39cyclictest0-21swapper/104:17:311
2583299494,39cyclictest0-21swapper/104:11:441
2583299492,7cyclictest15425-21/usr/sbin/munin04:26:551
2583299492,42cyclictest24534-21kworker/1:303:26:571
25832994911,32cyclictest0-21swapper/106:18:181
25832994911,32cyclictest0-21swapper/106:18:181
25832994911,32cyclictest0-21swapper/104:10:291
25832994910,33cyclictest0-21swapper/103:55:091
2582899499,34cyclictest2729-21/usr/sbin/munin04:56:480
2582899492,42cyclictest28145-21ps05:36:530
2582899492,41cyclictest11097-21grep06:01:400
25828994918,25cyclictest30505-21tune2fs01:31:450
25828994917,27cyclictest667-21runrttasks03:48:250
25828994916,27cyclictest6441-21diskmemload06:17:190
25828994916,27cyclictest6441-21diskmemload06:17:190
25828994915,30cyclictest667-21runrttasks04:15:440
25828994915,29cyclictest28230-21idleruntime02:51:510
25828994915,29cyclictest27776-21fschecks_time06:26:450
25828994915,29cyclictest15115-21if_err_eth202:16:440
25828994913,31cyclictest32103-21unixbench_singl06:31:540
25828994913,31cyclictest15076-21processes06:06:450
25828994913,30cyclictest31314-21cut04:51:360
25828994912,32cyclictest667-21runrttasks02:05:270
25828994911,32cyclictest803-21latency_hist03:06:270
2584699485,19cyclictest0-21swapper/303:31:553
2584699483,40cyclictest0-21swapper/305:12:043
2584699483,15cyclictest0-21swapper/306:04:483
2584099487,35cyclictest0-21swapper/205:47:332
2584099487,35cyclictest0-21swapper/203:16:512
2584099484,38cyclictest0-21swapper/205:41:472
2584099484,38cyclictest0-21swapper/205:35:072
2584099484,38cyclictest0-21swapper/205:35:072
2584099484,38cyclictest0-21swapper/205:29:002
2584099484,38cyclictest0-21swapper/205:07:212
2584099484,38cyclictest0-21swapper/204:37:462
2584099484,38cyclictest0-21swapper/202:06:502
2584099483,40cyclictest0-21swapper/203:31:462
2584099483,40cyclictest0-21swapper/201:56:432
2583299488,34cyclictest0-21swapper/105:30:421
2583299488,34cyclictest0-21swapper/104:22:371
2583299487,36cyclictest6441-21diskmemload05:21:501
2583299484,38cyclictest0-21swapper/106:12:151
2583299483,8cyclictest0-21swapper/105:41:141
25832994812,31cyclictest6421-21sed05:01:581
25832994811,5cyclictest0-21swapper/104:03:311
25832994810,32cyclictest0-21swapper/106:38:571
2582899485,37cyclictest0-21swapper/004:31:410
2582899485,37cyclictest0-21swapper/004:31:410
2582899483,8cyclictest16983-21/usr/sbin/munin03:36:560
25828994814,29cyclictest667-21runrttasks03:11:350
25828994812,30cyclictest4686-21latency_hist06:41:220
25828994810,33cyclictest29512-21grep01:27:010
25828994810,32cyclictest4799-21sort05:51:450
2584699474,38cyclictest0-21swapper/306:27:333
2584699474,38cyclictest0-21swapper/303:54:103
2584699474,37cyclictest0-21swapper/305:31:453
2584699474,37cyclictest0-21swapper/305:31:453
2584699474,37cyclictest0-21swapper/304:51:293
2584699474,11cyclictest0-21swapper/304:32:333
2584699474,11cyclictest0-21swapper/304:32:333
2584699473,38cyclictest0-21swapper/304:22:053
2584699473,38cyclictest0-21swapper/304:16:263
2584099478,33cyclictest0-21swapper/206:21:532
2584099477,34cyclictest0-21swapper/204:09:532
2584099474,38cyclictest0-21swapper/203:41:482
2584099474,38cyclictest0-21swapper/203:41:482
2584099474,38cyclictest0-21swapper/203:02:032
2584099474,37cyclictest0-21swapper/203:37:162
2584099474,37cyclictest0-21swapper/202:26:582
25840994710,31cyclictest0-21swapper/204:12:132
2583299474,38cyclictest0-21swapper/103:41:371
2583299474,38cyclictest0-21swapper/103:41:371
2583299474,38cyclictest0-21swapper/103:31:591
2583299474,37cyclictest0-21swapper/106:32:501
2583299474,37cyclictest0-21swapper/105:33:161
2583299474,37cyclictest0-21swapper/105:33:161
2583299473,5cyclictest0-21swapper/103:25:501
25828994715,27cyclictest30056-21fschecks_time02:56:490
25828994714,27cyclictest559-21ntpd03:41:500
25828994714,27cyclictest559-21ntpd03:41:500
25828994714,27cyclictest3844-21latency_hist05:51:230
2584699464,37cyclictest0-21swapper/305:46:233
2584699464,37cyclictest0-21swapper/302:37:163
2584699464,37cyclictest0-21swapper/302:01:283
2584699464,36cyclictest0-21swapper/305:51:233
2584699464,35cyclictest0-21swapper/306:46:223
2584099467,7cyclictest0-21swapper/201:21:302
2584099464,36cyclictest0-21swapper/201:31:492
2584099463,38cyclictest0-21swapper/202:32:582
2584099463,38cyclictest0-21swapper/202:21:552
2584099463,37cyclictest0-21swapper/202:16:392
25840994610,5cyclictest0-21swapper/203:51:332
25840994610,30cyclictest0-21swapper/202:56:482
2583299464,38cyclictest0-21swapper/105:47:161
2583299464,37cyclictest0-21swapper/106:01:521
2582899462,10cyclictest26499-21unixbench_singl04:42:030
2584699454,9cyclictest0-21swapper/306:48:123
2584699454,8cyclictest0-21swapper/303:02:043
2584699454,36cyclictest0-21swapper/306:37:273
2584699454,36cyclictest0-21swapper/304:01:423
2584699454,36cyclictest0-21swapper/303:26:393
2584699454,36cyclictest0-21swapper/302:26:593
2584699454,36cyclictest0-21swapper/301:48:143
2584699454,36cyclictest0-21swapper/301:31:293
2584699453,9cyclictest0-21swapper/305:01:483
2584699453,37cyclictest0-21swapper/304:08:333
2584699453,37cyclictest0-21swapper/302:36:113
2584699453,35cyclictest0-21swapper/305:06:453
2584099453,37cyclictest0-21swapper/202:51:552
2584099453,37cyclictest0-21swapper/201:38:332
2584099453,36cyclictest0-21swapper/202:46:542
2584099453,36cyclictest0-21swapper/202:46:542
2584699448,31cyclictest28833-21iostat_ios04:46:443
2584699444,36cyclictest0-21swapper/301:33:153
2584699444,35cyclictest0-21swapper/306:17:223
2584699444,35cyclictest0-21swapper/306:17:223
2584699444,35cyclictest0-21swapper/306:06:443
2584699444,35cyclictest0-21swapper/305:01:253
2584699444,35cyclictest0-21swapper/304:43:123
2584699444,35cyclictest0-21swapper/302:53:053
2584699444,35cyclictest0-21swapper/302:05:473
2584699444,10cyclictest0-21swapper/304:29:333
2584699443,36cyclictest0-21swapper/303:56:463
2584699443,36cyclictest0-21swapper/302:06:443
2584099445,34cyclictest0-21swapper/202:36:402
2584099444,35cyclictest0-21swapper/203:24:442
2584099443,8cyclictest3510-21memory03:11:492
2584099443,8cyclictest24957-21sshd02:42:022
2584099443,8cyclictest24957-21sshd02:42:022
2584099443,36cyclictest0-21swapper/203:06:532
2584699435,8cyclictest0-21swapper/302:46:283
2584699435,8cyclictest0-21swapper/302:46:283
2584699434,9cyclictest0-21swapper/303:09:103
2584699434,34cyclictest0-21swapper/303:22:023
2584699434,34cyclictest0-21swapper/301:26:293
2584699434,11cyclictest0-21swapper/302:15:203
2584699433,35cyclictest0-21swapper/306:21:513
2584699433,35cyclictest0-21swapper/305:19:433
2584699433,35cyclictest0-21swapper/304:40:483
2584699433,35cyclictest0-21swapper/303:46:433
2584699433,35cyclictest0-21swapper/301:56:243
2584699433,35cyclictest0-21swapper/301:41:443
2584699433,34cyclictest0-21swapper/306:16:233
2584699424,8cyclictest0-21swapper/301:40:183
2584699424,33cyclictest0-21swapper/302:47:573
2584699424,33cyclictest0-21swapper/302:47:573
2584699424,32cyclictest0-21swapper/303:17:093
2584699423,35cyclictest0-21swapper/306:34:443
2584699423,34cyclictest0-21swapper/302:57:423
2584699422,35cyclictest21085-21fschecks_count05:26:443
2584699413,5cyclictest0-21swapper/302:21:473
2584699413,34cyclictest0-21swapper/303:11:433
2584699413,32cyclictest16097-21chrt02:18:463
2584699412,34cyclictest7681-21ssh05:56:393
2584699412,33cyclictest9157-21diskstats04:16:413
2584699403,8cyclictest0-21swapper/305:37:433
2584699403,34cyclictest0-21swapper/303:39:093
2584699403,33cyclictest0-21swapper/305:51:593
246032408,23sleep10-21swapper/101:16:491
246032408,23sleep10-21swapper/101:16:491
25832993927,7cyclictest14752-21cut02:16:391
3672383,7sleep10-21swapper/101:36:561
219372383,7sleep10-21swapper/102:36:241
44362373,7sleep10-21swapper/103:14:551
293762373,7sleep10-21swapper/102:55:391
25832993727,5cyclictest21-21ksoftirqd/103:01:261
2545223713,18sleep00-21swapper/001:19:490
2545223713,18sleep00-21swapper/001:19:490
275422353,7sleep10-21swapper/102:51:091
275422353,7sleep10-21swapper/102:51:091
25832993524,7cyclictest574-21dbus-daemon02:11:281
25832993524,7cyclictest25298-21sed02:42:061
25832993524,7cyclictest25298-21sed02:42:061
25832993516,14cyclictest9210-21diskstats02:01:431
5792343,6sleep10-21swapper/103:04:211
30782333,7sleep10-21swapper/101:45:011
2583299335,22cyclictest0-21swapper/101:21:341
2583299334,25cyclictest0-21swapper/102:14:101
2583299333,24cyclictest0-21swapper/101:28:121
2583299323,24cyclictest0-21swapper/103:06:421
2583299323,24cyclictest0-21swapper/102:22:421
2583299323,24cyclictest0-21swapper/101:32:421
2583299323,23cyclictest0-21swapper/102:26:421
2583299313,23cyclictest0-21swapper/103:16:421
25832993117,9cyclictest557-21systemd-logind01:56:281
2584099304,21cyclictest0-21swapper/202:01:462
2583299304,21cyclictest0-21swapper/101:47:081
2583299303,22cyclictest0-21swapper/102:36:571
2583299303,22cyclictest0-21swapper/102:01:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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