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2026-08-22 - 22:24
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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 376 highest latencies:
System rackbslot4.osadl.org (updated Sat Aug 22, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
143592910,23sleep014356-21latency_hist10:39:000
2683999667,54cyclictest0-21swapper/308:39:033
2683999624,52cyclictest0-21swapper/311:03:593
26828995912,41cyclictest0-21swapper/110:56:491
2683999584,32cyclictest0-21swapper/310:39:093
2683399585,7cyclictest0-21swapper/211:09:312
2682899583,49cyclictest0-21swapper/106:19:311
2641525810,17sleep10-21swapper/106:17:031
2641525810,17sleep10-21swapper/106:17:031
2683999571,4cyclictest361ktimersoftd/307:14:043
2683999569,42cyclictest1615-21kernelversion11:04:183
2683999564,46cyclictest0-21swapper/309:16:273
2683399564,46cyclictest0-21swapper/209:42:102
2683399563,47cyclictest0-21swapper/207:48:222
2683399563,47cyclictest0-21swapper/207:48:222
26828995621,30cyclictest30635-21tr08:49:251
2683999559,40cyclictest14831-21ssh09:54:433
2683999556,43cyclictest0-21swapper/309:48:033
2683999555,43cyclictest0-21swapper/308:32:453
26839995540,10cyclictest0-21swapper/308:45:043
26839995540,10cyclictest0-21swapper/308:45:043
2683399554,45cyclictest0-21swapper/209:07:342
2683399554,44cyclictest0-21swapper/209:01:042
2683999548,40cyclictest1285-21aten_rbpower_vo08:54:143
2683999544,44cyclictest0-21swapper/310:38:313
26839995416,34cyclictest5565-21needreboot11:09:213
2683399544,44cyclictest0-21swapper/209:27:532
2683399544,44cyclictest0-21swapper/209:27:532
26833995413,36cyclictest664-21sshd09:34:292
26828995418,31cyclictest14604-21rt-features07:09:301
26828995417,31cyclictest23007-21uname08:39:211
26828995415,34cyclictest2630-21aten_rbpower_vo06:39:161
26828995413,35cyclictest8315-21missed_timers08:19:231
2683999534,44cyclictest0-21swapper/310:46:213
2683999534,43cyclictest0-21swapper/309:03:143
2683399534,44cyclictest0-21swapper/211:36:282
2683399534,44cyclictest0-21swapper/211:36:282
2683399533,45cyclictest0-21swapper/208:39:102
26828995321,27cyclictest31011-21idleruntime07:54:181
2682899532,45cyclictest16973-21awk11:24:211
26828995319,28cyclictest18767-21/usr/sbin/munin08:34:341
26828995318,29cyclictest25641-21timerandwakeup10:09:291
26828995315,32cyclictest8300-21grep10:29:311
26828995313,35cyclictest4331-21diskmemload10:24:291
2683999524,43cyclictest0-21swapper/310:57:513
2683999524,42cyclictest0-21swapper/311:43:403
2683999523,9cyclictest0-21swapper/311:45:403
26839995211,35cyclictest28254-21/usr/sbin/munin10:14:173
2683399526,41cyclictest0-21swapper/210:59:012
2683399524,43cyclictest0-21swapper/208:33:442
2683399522,7cyclictest22242-21df_inode10:49:112
2683399522,7cyclictest22242-21df_inode10:49:112
2682899523,7cyclictest9601-21sensors_temp09:04:291
2682899522,44cyclictest31758-21if_err_eth211:44:151
26828995215,30cyclictest8816-21forks11:14:131
26828995214,33cyclictest643-21runrttasks08:01:271
26828995214,31cyclictest20610-21proc_pri09:19:251
26828995213,32cyclictest19054-21awk10:44:211
26828995213,32cyclictest13829-21/usr/sbin/munin09:54:181
26828995212,35cyclictest16691-21timerwakeupswit07:14:351
2682899521,45cyclictest10755-21/usr/sbin/munin10:34:131
2683999514,42cyclictest0-21swapper/309:26:133
2683999514,42cyclictest0-21swapper/309:26:133
2683999514,41cyclictest0-21swapper/310:29:503
2683999514,41cyclictest0-21swapper/309:35:233
2683999514,41cyclictest0-21swapper/309:20:463
2683399515,42cyclictest0-21swapper/210:55:412
2683399515,11cyclictest0-21swapper/208:14:242
2683399513,43cyclictest0-21swapper/209:30:132
2682899512,42cyclictest18714-21unixbench_singl07:19:341
26828995117,29cyclictest643-21runrttasks06:32:471
26828995114,32cyclictest643-21runrttasks07:37:041
26828995114,31cyclictest25090-21cpu07:39:151
26828995114,30cyclictest1351-21cpu08:54:141
26828995113,32cyclictest643-21runrttasks06:46:331
26828995113,32cyclictest28870-21latency10:14:201
26828995111,33cyclictest17292-21unixbench_multi09:14:321
2683999504,9cyclictest0-21swapper/310:04:023
2683999504,41cyclictest0-21swapper/310:25:023
2683999504,40cyclictest0-21swapper/310:00:023
2683999504,40cyclictest0-21swapper/308:40:043
2683399505,39cyclictest0-21swapper/211:19:102
2683399504,41cyclictest0-21swapper/208:47:572
2683399504,41cyclictest0-21swapper/208:47:572
2683399504,40cyclictest0-21swapper/210:15:252
2683399504,40cyclictest0-21swapper/208:56:242
2683399504,39cyclictest0-21swapper/208:53:152
2683399504,10cyclictest0-21swapper/210:41:412
2683399503,42cyclictest0-21swapper/209:54:532
2683399503,42cyclictest0-21swapper/207:39:182
2683399502,42cyclictest31274-21/usr/sbin/munin11:44:252
26833995012,32cyclictest0-21swapper/208:26:082
2682899504,8cyclictest0-21swapper/111:02:191
2682899504,7cyclictest0-21swapper/109:11:571
2682899503,40cyclictest6613-21ls09:44:211
2682899503,40cyclictest26673-21iostat08:44:181
2682899503,40cyclictest26673-21iostat08:44:181
2682899502,43cyclictest11644-21latency_hist07:04:041
26828995019,27cyclictest12292-21idleruntime07:04:201
26828995017,27cyclictest21237-21grep11:29:291
26828995015,30cyclictest643-21runrttasks09:52:591
26828995015,30cyclictest19419-21cut07:24:141
26828995015,30cyclictest15077-21aten_rbpower_cu08:29:131
26828995014,31cyclictest28857-21unixbench_singl11:39:291
26828995013,31cyclictest1498-21sort11:04:151
26828995012,32cyclictest7902-21seq06:54:031
26828995012,32cyclictest11493-21cpu08:24:141
26828995011,34cyclictest24238-21tr09:24:241
26828995011,34cyclictest24238-21tr09:24:241
26828995011,33cyclictest31954-21date09:34:291
2683999497,36cyclictest17267-21crond07:19:043
2683999496,37cyclictest0-21swapper/309:12:013
2683999495,38cyclictest0-21swapper/311:36:383
2683999495,38cyclictest0-21swapper/311:36:383
2683999495,38cyclictest0-21swapper/310:22:053
2683999494,40cyclictest0-21swapper/309:40:133
2683999494,40cyclictest0-21swapper/308:28:443
2683999493,42cyclictest0-21swapper/311:29:183
2683999493,41cyclictest8500-21kworker/3:110:53:113
2683999493,41cyclictest8500-21kworker/3:110:53:113
2683999493,41cyclictest0-21swapper/309:29:033
26839994911,33cyclictest0-21swapper/308:22:163
26839994911,32cyclictest25244-21cat10:09:213
2683399495,38cyclictest0-21swapper/211:24:302
2683399495,38cyclictest0-21swapper/207:26:482
2683399494,6cyclictest0-21swapper/210:00:122
2683399494,11cyclictest0-21swapper/207:34:342
2683399493,9cyclictest0-21swapper/209:47:232
2683399493,41cyclictest0-21swapper/210:34:122
2683399493,41cyclictest0-21swapper/210:28:322
2683399493,41cyclictest0-21swapper/210:08:122
2683399493,40cyclictest0-21swapper/207:09:592
26833994913,31cyclictest12315-21cut09:09:132
26833994912,31cyclictest0-21swapper/208:35:152
2682899493,15cyclictest9060-21switchtime06:54:311
26828994920,23cyclictest3455-21grep09:39:321
26828994918,26cyclictest4547-21ntpdc08:09:241
26828994918,26cyclictest21752-21kernelversion07:29:221
26828994915,29cyclictest12412-21cut11:19:101
26828994913,31cyclictest823-21sh06:34:171
26828994912,31cyclictest28481-21sed09:29:321
26828994912,31cyclictest0-21swapper/108:04:321
26828994911,32cyclictest28608-21sed07:49:031
26828994911,32cyclictest28608-21sed07:49:031
2683999487,35cyclictest0-21swapper/309:06:563
2683999486,36cyclictest9630-21basename09:49:113
2683999484,39cyclictest0-21swapper/311:24:203
2683999484,39cyclictest0-21swapper/308:09:163
2683999484,38cyclictest0-21swapper/311:19:593
2683999484,38cyclictest0-21swapper/306:44:213
2683999483,7cyclictest0-21swapper/311:14:233
2683999482,7cyclictest25222-21fschecks_count07:39:183
2683399484,39cyclictest0-21swapper/207:54:162
2683399484,39cyclictest0-21swapper/207:19:172
2683399484,38cyclictest0-21swapper/211:39:262
2683399484,38cyclictest0-21swapper/210:29:142
2683399484,38cyclictest0-21swapper/209:52:232
2683399484,38cyclictest0-21swapper/206:44:202
2683399484,38cyclictest0-21swapper/206:29:332
2683399483,7cyclictest0-21swapper/210:22:422
2683399483,39cyclictest0-21swapper/211:05:512
2683399483,13cyclictest0-21swapper/210:09:302
26833994811,31cyclictest0-21swapper/211:18:302
26833994811,31cyclictest0-21swapper/209:20:302
2682899484,14cyclictest0-21swapper/110:52:041
2682899484,14cyclictest0-21swapper/110:52:041
2682899483,18cyclictest6146-21sed08:59:311
26828994817,26cyclictest643-21runrttasks06:26:241
26828994816,27cyclictest22034-21sshd10:04:311
26828994815,28cyclictest643-21runrttasks11:38:531
26828994815,28cyclictest643-21runrttasks11:38:531
26828994814,28cyclictest2059-21sshd10:21:551
26828994813,30cyclictest643-21runrttasks08:14:591
26828994813,30cyclictest14790-21fschecks_count10:39:151
2682499484,39cyclictest0-21swapper/009:29:330
26824994836,7cyclictest0-21swapper/010:30:220
2683999474,38cyclictest0-21swapper/307:59:323
2683999474,38cyclictest0-21swapper/307:34:183
2683999474,37cyclictest0-21swapper/307:06:393
2683399474,37cyclictest0-21swapper/211:30:452
2683399474,37cyclictest0-21swapper/210:47:252
2683399474,37cyclictest0-21swapper/209:14:322
2683399474,37cyclictest0-21swapper/208:22:112
2683399473,39cyclictest0-21swapper/208:04:242
2683399473,38cyclictest0-21swapper/206:56:512
2683399473,36cyclictest0-21swapper/206:34:292
26828994712,29cyclictest6445-21cat11:09:581
2682499474,37cyclictest0-21swapper/008:54:270
2683999466,34cyclictest0-21swapper/308:49:093
2683999465,35cyclictest0-21swapper/307:04:043
2683999464,37cyclictest0-21swapper/308:17:373
2683999464,37cyclictest0-21swapper/307:29:173
2683999464,37cyclictest0-21swapper/306:34:503
2683999464,37cyclictest0-21swapper/306:27:403
2683999464,36cyclictest0-21swapper/306:49:193
2683399464,37cyclictest0-21swapper/208:02:462
2683399464,37cyclictest0-21swapper/207:32:202
2683399464,37cyclictest0-21swapper/206:20:102
2683399464,36cyclictest0-21swapper/207:49:282
2683399464,36cyclictest0-21swapper/207:04:152
2683399463,37cyclictest0-21swapper/208:09:352
2682899463,14cyclictest17871-21ntp_kernel_err09:59:231
2682499465,35cyclictest0-21swapper/010:24:340
2682499464,37cyclictest0-21swapper/009:19:320
2683999455,35cyclictest0-21swapper/307:22:393
2683999454,36cyclictest0-21swapper/306:41:093
2683999454,35cyclictest0-21swapper/306:31:403
2683999454,35cyclictest0-21swapper/306:19:153
2683999453,36cyclictest0-21swapper/307:54:033
2683399454,36cyclictest0-21swapper/206:59:592
2683399454,36cyclictest0-21swapper/206:51:572
2683399453,36cyclictest0-21swapper/206:39:212
2683399452,38cyclictest16527-21mailstats07:14:322
2682899454,35cyclictest0-21swapper/107:49:221
2682499454,16cyclictest0-21swapper/009:07:450
2683999447,32cyclictest9775-21latency_hist06:59:053
2683999444,9cyclictest0-21swapper/307:24:493
2683999444,10cyclictest0-21swapper/308:08:333
2682499445,33cyclictest0-21swapper/011:34:440
2682499445,33cyclictest0-21swapper/011:34:440
2682499445,33cyclictest0-21swapper/010:54:330
2682499445,33cyclictest0-21swapper/009:24:380
2682499445,33cyclictest0-21swapper/009:24:380
2683999434,34cyclictest0-21swapper/307:48:033
2683999434,34cyclictest0-21swapper/307:48:033
2683399434,10cyclictest0-21swapper/206:26:002
2683999423,34cyclictest0-21swapper/307:57:333
208482413,7sleep00-21swapper/007:27:120
163222413,7sleep00-21swapper/009:58:000
2682499403,32cyclictest0-21swapper/011:24:110
285322393,6sleep00-21swapper/008:46:430
285322393,6sleep00-21swapper/008:46:430
153922394,6sleep00-21swapper/007:14:000
144642393,7sleep00-21swapper/009:11:140
191172383,6sleep00-21swapper/008:34:200
2682499374,28cyclictest0-21swapper/010:41:190
250802373,7sleep00-21swapper/010:52:570
250802373,7sleep00-21swapper/010:52:570
202342373,7sleep00-21swapper/010:03:270
2682499364,28cyclictest0-21swapper/010:04:090
2682499364,27cyclictest0-21swapper/010:16:580
2638423613,17sleep20-21swapper/206:16:402
2638423613,17sleep20-21swapper/206:16:402
115752363,7sleep00-21swapper/007:03:130
2682499354,27cyclictest0-21swapper/008:25:390
2682499354,26cyclictest0-21swapper/008:19:590
26824993524,7cyclictest30522-21grep06:24:350
2682499352,28cyclictest9996-21fschecks_time09:49:150
2682499344,26cyclictest0-21swapper/009:35:480
2682499344,26cyclictest0-21swapper/008:30:110
2682499344,25cyclictest0-21swapper/011:21:040
2682499344,25cyclictest0-21swapper/009:48:240
2682499343,27cyclictest0-21swapper/010:13:460
26824993422,7cyclictest3236-21sshd09:39:290
249732348,17sleep30-21swapper/306:14:163
249732348,17sleep30-21swapper/306:14:163
88922331,5sleep08913-21/usr/sbin/munin06:54:280
2682499334,25cyclictest0-21swapper/011:45:480
2682499334,25cyclictest0-21swapper/011:00:170
2682499334,25cyclictest0-21swapper/009:02:320
2682499334,25cyclictest0-21swapper/007:32:260
2682499334,24cyclictest0-21swapper/010:20:560
2682499334,24cyclictest0-21swapper/009:14:070
26824993320,8cyclictest32404-21grep06:29:360
26824993318,12cyclictest23819-21unixbench_singl08:39:330
2682499324,24cyclictest0-21swapper/011:31:400
2682499324,24cyclictest0-21swapper/008:52:090
2682499324,23cyclictest0-21swapper/011:14:210
2682499324,23cyclictest0-21swapper/007:19:140
26824993220,7cyclictest28838-21egrep07:49:150
26824993220,7cyclictest23421-21tune2fs07:34:190
2651823211,15sleep00-21swapper/006:18:150
2651823211,15sleep00-21swapper/006:18:150
2682499314,23cyclictest0-21swapper/011:40:420
2682499314,23cyclictest0-21swapper/011:05:580
2682499314,23cyclictest0-21swapper/006:51:590
2682499314,23cyclictest0-21swapper/006:20:450
2682499313,23cyclictest0-21swapper/011:11:530
2682499313,23cyclictest0-21swapper/007:14:440
26824993121,6cyclictest3134-21grep08:04:340
26824993121,6cyclictest27997-21sed07:44:340
26824993121,6cyclictest27997-21sed07:44:340
26824993120,7cyclictest5617-21grep06:44:370
26824993120,7cyclictest2557-21grep06:39:160
26824993120,7cyclictest19570-21grep10:44:300
2682499304,21cyclictest0-21swapper/007:56:380
26824993020,6cyclictest5068-21users08:09:330
26824993018,8cyclictest5963-21cut08:14:180
2682499294,20cyclictest0-21swapper/007:59:290
2682499294,20cyclictest0-21swapper/006:34:080
26824992920,5cyclictest26189-21grep07:39:340
2682499273,19cyclictest0-21swapper/007:04:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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