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2026-03-21 - 08:37
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot4.osadl.org (updated Sat Mar 21, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2259926015,39sleep20-21swapper/218:14:332
2307699584,47cyclictest0-21swapper/321:39:393
2307699574,27cyclictest0-21swapper/321:46:203
2307299573,49cyclictest29379-21tr19:57:322
2307699564,46cyclictest0-21swapper/323:40:153
2307699564,46cyclictest0-21swapper/323:06:493
2307699554,46cyclictest0-21swapper/323:35:063
2307699554,10cyclictest0-21swapper/321:04:393
23072995513,36cyclictest16625-21tune2fs21:17:242
2306599554,45cyclictest0-21swapper/123:07:271
2306599554,45cyclictest0-21swapper/120:21:431
225272558,16sleep30-21swapper/318:13:423
2307699544,45cyclictest0-21swapper/323:28:423
2307699544,44cyclictest0-21swapper/321:37:033
2307299543,45cyclictest27183-21crond18:27:132
23072995413,35cyclictest14998-21timerandwakeup21:57:382
23065995444,5cyclictest21-21ksoftirqd/122:47:081
2306599544,44cyclictest0-21swapper/122:49:031
2306599543,45cyclictest0-21swapper/123:44:461
2271225412,35sleep10-21swapper/118:15:531
2307699535,42cyclictest0-21swapper/322:44:073
2307699534,44cyclictest0-21swapper/322:55:093
2307699534,44cyclictest0-21swapper/322:55:093
2307699534,44cyclictest0-21swapper/320:28:403
2307699533,44cyclictest0-21swapper/322:22:183
23076995314,33cyclictest17343-21crond22:02:093
23072995320,28cyclictest31795-21grep23:02:382
23072995317,30cyclictest6191-21uname23:12:262
23072995317,30cyclictest6191-21uname23:12:262
23072995315,32cyclictest29665-21latency22:17:252
23072995314,33cyclictest22304-21proc_pri22:07:332
23072995314,26cyclictest26601-21latency_hist19:52:122
23072995313,34cyclictest24652-21processes21:27:342
23072995313,34cyclictest23757-21needreboot22:52:292
23072995313,34cyclictest23757-21needreboot22:52:292
2306599534,44cyclictest0-21swapper/122:09:181
2306599534,44cyclictest0-21swapper/121:23:541
2306599534,44cyclictest0-21swapper/120:34:201
2306599534,42cyclictest0-21swapper/121:14:091
2306599534,42cyclictest0-21swapper/121:14:091
2306599533,44cyclictest7239-21ssh22:31:011
2306199534,44cyclictest0-21swapper/021:52:390
2306199534,43cyclictest0-21swapper/021:34:000
2306199533,45cyclictest0-21swapper/022:27:080
23061995321,26cyclictest32019-21sshd20:04:560
2306199532,6cyclictest15056-21latency_hist20:32:110
2307699523,43cyclictest0-21swapper/323:26:043
2307699522,6cyclictest13551-21ssh22:38:173
2307299525,41cyclictest0-21swapper/222:27:092
23072995222,25cyclictest31207-21wc20:52:372
2307299522,44cyclictest4619-21grep22:27:232
23072995216,31cyclictest17553-21needreboot23:27:272
23072995214,23cyclictest48782ssh23:11:062
23072995213,33cyclictest26535-21unixbench_multi22:12:372
2306599525,42cyclictest0-21swapper/121:30:191
2306599524,42cyclictest0-21swapper/120:50:001
2306599523,44cyclictest0-21swapper/123:17:571
2306199525,41cyclictest0-21swapper/019:47:270
2306199524,42cyclictest0-21swapper/022:28:470
2307699514,42cyclictest0-21swapper/321:48:483
2307699514,42cyclictest0-21swapper/321:16:293
2307699514,42cyclictest0-21swapper/321:16:293
2307699514,41cyclictest0-21swapper/323:08:113
2307699513,42cyclictest0-21swapper/322:32:373
2307699512,10cyclictest16607-21unixbench-2d20:32:403
23076995118,8cyclictest23406-21sed20:42:313
23072995123,22cyclictest13699-21sort23:22:262
23072995116,30cyclictest9750-21crond19:07:132
23072995116,30cyclictest638-21runrttasks22:43:102
23072995116,30cyclictest638-21runrttasks19:25:252
23072995116,29cyclictest13175-21kernelversion21:12:292
23072995116,29cyclictest13175-21kernelversion21:12:292
23072995114,32cyclictest638-21runrttasks19:30:452
23072995114,31cyclictest2248-21tune2fs20:12:262
23072995113,33cyclictest21297-21grep21:22:402
23065995135,11cyclictest0-21swapper/122:13:481
2306599513,42cyclictest7823-21ssh23:14:261
2306599513,42cyclictest7823-21ssh23:14:261
2306599513,42cyclictest0-21swapper/120:57:501
2306599513,42cyclictest0-21swapper/120:45:001
2306199514,42cyclictest0-21swapper/022:06:480
2306199514,42cyclictest0-21swapper/022:06:480
2306199514,42cyclictest0-21swapper/020:59:590
2307699504,41cyclictest0-21swapper/323:20:163
2307699504,10cyclictest0-21swapper/320:19:203
2307699503,42cyclictest0-21swapper/320:25:133
2307699503,42cyclictest0-21swapper/320:25:133
2307699503,41cyclictest0-21swapper/323:45:163
2307299506,37cyclictest0-21swapper/220:37:302
2307299505,7cyclictest0-21swapper/222:37:252
2307299504,7cyclictest0-21swapper/220:27:232
2307299502,42cyclictest24544-21find18:17:372
23072995019,26cyclictest26148-21crond20:47:102
23072995015,30cyclictest638-21runrttasks21:42:352
23072995015,30cyclictest29273-21aten_rbpower_cu18:32:232
23072995015,29cyclictest8359-21memory20:22:302
23072995015,29cyclictest8359-21memory20:22:302
23072995014,30cyclictest18399-21netstat22:02:302
23072995014,30cyclictest18399-21netstat22:02:302
23072995013,32cyclictest5286-21cpu21:02:212
2306599504,41cyclictest0-21swapper/123:35:361
2306599504,41cyclictest0-21swapper/122:25:081
2306599504,41cyclictest0-21swapper/121:55:181
2306599504,22cyclictest0-21swapper/120:42:071
2306199508,16cyclictest0-21swapper/022:18:410
2306199506,38cyclictest0-21swapper/020:07:240
2306199505,19cyclictest0-21swapper/023:33:390
2306199503,11cyclictest0-21swapper/020:49:300
2307699494,39cyclictest0-21swapper/320:54:073
2307699492,42cyclictest7765-21kworker/3:022:04:183
2307699492,42cyclictest7765-21kworker/3:022:04:183
23076994912,32cyclictest0-21swapper/322:12:233
2307299495,8cyclictest26809-21fschecks_time20:47:252
2307299493,7cyclictest20698-21sh22:47:412
23072994914,29cyclictest638-21runrttasks21:56:262
23072994913,31cyclictest638-21runrttasks20:04:232
23072994913,30cyclictest638-21runrttasks19:18:282
2306599499,35cyclictest12097-21fschecks_count19:12:281
2306599499,35cyclictest12097-21fschecks_count19:12:281
2306599494,39cyclictest0-21swapper/123:38:011
2306599494,39cyclictest0-21swapper/123:00:471
2306599494,39cyclictest0-21swapper/119:52:261
2306599493,40cyclictest0-21swapper/123:27:281
2306599493,40cyclictest0-21swapper/121:43:281
2306599493,40cyclictest0-21swapper/121:10:291
2306599493,40cyclictest0-21swapper/120:22:501
2306599493,40cyclictest0-21swapper/120:22:501
2306599493,40cyclictest0-21swapper/119:27:121
23065994912,31cyclictest0-21swapper/121:48:371
23065994910,12cyclictest0-21swapper/121:20:521
2306199499,15cyclictest0-21swapper/021:11:300
2306199494,40cyclictest0-21swapper/023:01:550
2306199494,39cyclictest0-21swapper/021:20:030
2306199494,39cyclictest0-21swapper/020:55:240
23061994912,31cyclictest0-21swapper/022:42:550
2307699489,34cyclictest0-21swapper/321:23:403
2307699483,40cyclictest0-21swapper/323:13:153
2307699483,40cyclictest0-21swapper/323:13:153
2307699483,40cyclictest0-21swapper/321:17:293
2307699482,6cyclictest7765-21kworker/3:022:29:573
2307699481,4cyclictest12304-21ssh21:54:283
2307299485,7cyclictest0-21swapper/218:42:142
2307299485,37cyclictest0-21swapper/219:42:122
2307299484,21cyclictest0-21swapper/219:16:032
2307299484,21cyclictest0-21swapper/219:16:032
2307299483,8cyclictest20187-21/usr/sbin/munin19:32:372
2307299483,11cyclictest0-21swapper/220:57:382
23072994817,26cyclictest638-21runrttasks23:21:532
23072994817,26cyclictest26970-21fschecks_count22:57:222
23072994816,27cyclictest8543-21if_eth222:32:242
23072994815,28cyclictest27832-21idleruntime18:27:282
23072994814,29cyclictest638-21runrttasks23:34:572
23072994814,29cyclictest25019-21missed_timers23:37:292
23072994813,30cyclictest23815-21ntpdc19:42:342
23072994812,30cyclictest0-21swapper/218:47:402
2306599485,37cyclictest0-21swapper/121:05:441
2306599484,38cyclictest0-21swapper/119:02:431
2306599484,38cyclictest0-21swapper/118:17:281
2306599483,40cyclictest0-21swapper/123:26:361
2306599483,40cyclictest0-21swapper/120:54:401
2306599483,40cyclictest0-21swapper/120:27:261
23065994813,6cyclictest23799-21netstat19:42:341
23065994812,5cyclictest0-21swapper/122:33:231
23065994811,31cyclictest0-21swapper/121:41:211
2306599481,42cyclictest31150-21ls23:02:271
2306199485,38cyclictest0-21swapper/021:28:330
2306199485,38cyclictest0-21swapper/020:39:020
2306199485,37cyclictest0-21swapper/021:16:480
2306199485,37cyclictest0-21swapper/021:16:480
2306199485,37cyclictest0-21swapper/020:43:180
2306199484,38cyclictest0-21swapper/021:43:560
2306199484,38cyclictest0-21swapper/018:17:230
2306199483,40cyclictest0-21swapper/021:58:030
23061994813,29cyclictest0-21swapper/021:39:540
23061994810,32cyclictest0-21swapper/023:28:020
23061994810,32cyclictest0-21swapper/021:03:570
2307699478,33cyclictest0-21swapper/322:11:463
2307699474,38cyclictest0-21swapper/322:50:073
2307699474,37cyclictest0-21swapper/321:28:223
2307699474,37cyclictest0-21swapper/320:59:373
2307699474,37cyclictest0-21swapper/320:48:403
2307699474,36cyclictest0-21swapper/321:07:183
2307299477,7cyclictest0-21swapper/221:47:192
2307299473,8cyclictest6344-21/usr/sbin/munin18:57:242
2307299473,6cyclictest31710-21irqstats21:37:262
23072994717,25cyclictest15333-21/usr/sbin/munin20:32:212
23072994715,27cyclictest638-21runrttasks21:07:292
23072994715,27cyclictest4285-21fschecks_time20:17:262
23072994715,26cyclictest29129-21wc23:42:342
23072994714,28cyclictest29025-21sh21:33:042
23072994713,29cyclictest27330-21/usr/sbin/munin19:52:302
23072994713,28cyclictest2274-21latency_hist18:47:142
2306599474,38cyclictest0-21swapper/122:55:271
2306599474,38cyclictest0-21swapper/122:55:271
2306599474,37cyclictest0-21swapper/122:02:211
2306599474,37cyclictest0-21swapper/122:02:211
2306599474,37cyclictest0-21swapper/121:58:291
2306599474,37cyclictest0-21swapper/121:34:351
2306599474,37cyclictest0-21swapper/119:32:281
2306599474,12cyclictest0-21swapper/119:47:241
2306599473,38cyclictest0-21swapper/118:57:341
23065994714,5cyclictest0-21swapper/119:19:541
2306199479,32cyclictest0-21swapper/020:17:180
2306199474,38cyclictest0-21swapper/019:38:000
2306199474,38cyclictest0-21swapper/018:55:270
2306199474,38cyclictest0-21swapper/018:27:270
2306199474,37cyclictest0-21swapper/022:14:000
2306199474,37cyclictest0-21swapper/020:33:210
2306199474,37cyclictest0-21swapper/019:07:380
2306199474,37cyclictest0-21swapper/019:07:380
2306199474,11cyclictest0-21swapper/019:05:280
2306199473,38cyclictest0-21swapper/022:32:260
2307699466,35cyclictest0-21swapper/322:17:213
2307699464,36cyclictest0-21swapper/320:38:383
2307699464,17cyclictest0-21swapper/322:59:363
2307299463,9cyclictest11061-21timerwakeupswit19:07:422
2307299463,9cyclictest11061-21timerwakeupswit19:07:422
2307299463,13cyclictest0-21swapper/220:07:232
2306599464,37cyclictest0-21swapper/119:57:351
2306599464,37cyclictest0-21swapper/118:42:371
2306599464,36cyclictest0-21swapper/122:19:531
2306599464,36cyclictest0-21swapper/119:37:271
2306599464,36cyclictest0-21swapper/119:07:331
2306599464,36cyclictest0-21swapper/119:07:331
2306599464,36cyclictest0-21swapper/118:47:351
2306199465,9cyclictest0-21swapper/020:12:240
2306199465,36cyclictest0-21swapper/021:22:360
2306199464,37cyclictest0-21swapper/023:21:080
2306199464,37cyclictest0-21swapper/023:14:490
2306199464,37cyclictest0-21swapper/023:14:490
2306199464,37cyclictest0-21swapper/023:06:360
2306199464,37cyclictest0-21swapper/022:47:260
2306199464,37cyclictest0-21swapper/021:52:100
2306199464,37cyclictest0-21swapper/020:01:110
2306199464,36cyclictest0-21swapper/023:24:290
2306199464,36cyclictest0-21swapper/022:56:270
2306199464,36cyclictest0-21swapper/022:56:270
2306199464,36cyclictest0-21swapper/019:46:270
2306199464,36cyclictest0-21swapper/018:32:290
2306199464,36cyclictest0-21swapper/018:22:400
2306199464,17cyclictest0-21swapper/023:09:130
2306599455,33cyclictest0-21swapper/122:37:191
2306599454,36cyclictest0-21swapper/118:37:331
2306199454,36cyclictest0-21swapper/018:43:290
2306199454,36cyclictest0-21swapper/018:37:580
2306199454,35cyclictest0-21swapper/019:33:140
2306199453,37cyclictest0-21swapper/023:37:380
2306199453,37cyclictest0-21swapper/022:38:320
2307299443,12cyclictest4612-21fschecks_count18:52:272
2306599444,8cyclictest0-21swapper/118:52:261
2306599444,35cyclictest0-21swapper/119:27:231
2306199444,35cyclictest0-21swapper/022:09:060
2306199444,35cyclictest0-21swapper/019:27:390
2306199444,35cyclictest0-21swapper/019:21:120
2306199444,35cyclictest0-21swapper/018:59:160
2306199444,35cyclictest0-21swapper/018:48:280
2306199443,36cyclictest0-21swapper/023:42:190
2306199443,36cyclictest0-21swapper/020:25:310
2306199443,36cyclictest0-21swapper/020:25:310
305482434,8sleep10-21swapper/120:02:161
2306599432,36cyclictest25568-21aten_rbpower_en18:22:241
2306199434,9cyclictest0-21swapper/019:22:270
2306199433,35cyclictest0-21swapper/019:12:310
2306199433,35cyclictest0-21swapper/019:12:310
2306199433,10cyclictest0-21swapper/019:52:470
2307699394,29cyclictest0-21swapper/319:42:143
2307699393,16cyclictest31905-21open_files18:37:373
309082383,8sleep10-21swapper/118:37:051
2307699383,30cyclictest0-21swapper/318:37:033
23076993823,10cyclictest29380-21tail19:57:323
207492383,7sleep30-21swapper/319:34:263
32822373,8sleep10-21swapper/120:13:471
189852373,6sleep30-21swapper/319:30:433
2307699364,27cyclictest0-21swapper/319:52:343
2307699364,27cyclictest0-21swapper/319:47:353
2307699363,28cyclictest0-21swapper/318:47:343
23076993623,8cyclictest8127-21wget19:02:243
2307699354,27cyclictest0-21swapper/319:42:093
2307699353,27cyclictest0-21swapper/318:42:343
23076993524,7cyclictest5487-21grep18:52:423
224682358,20sleep00-21swapper/018:12:580
2307699344,25cyclictest0-21swapper/319:18:293
23076993423,7cyclictest12884-21cat19:12:423
23076993423,7cyclictest12884-21cat19:12:423
288352334,8sleep30-21swapper/318:29:393
23076993315,13cyclictest24794-21unixbench-2d18:17:423
23076993220,7cyclictest3094-21grep20:12:413
2307699314,22cyclictest0-21swapper/320:02:333
2307699314,22cyclictest0-21swapper/319:07:353
2307699314,22cyclictest0-21swapper/319:07:353
2307699313,23cyclictest0-21swapper/320:08:533
2307699313,23cyclictest0-21swapper/319:22:193
2306599314,23cyclictest0-21swapper/118:30:581
2307699303,21cyclictest0-21swapper/318:57:153
23076993018,7cyclictest26546-21sed18:22:413
2306599294,20cyclictest0-21swapper/120:07:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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