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2026-04-28 - 17:40
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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 all highest latencies:
System rackbslot6.osadl.org (updated Tue Apr 28, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1974021630,2sleep33052999cyclictest23:57:023
1068911040,4ptp4l401ktimersoftd/320:23:373
115002690,4sleep23051899cyclictest01:26:022
115002690,4sleep23051899cyclictest01:26:022
45632630,2sleep00-21swapper/001:20:060
30508996149,5cyclictest9-21ksoftirqd/022:05:470
303932604,45sleep00-21swapper/020:25:260
211442600,3sleep0111rcuc/022:54:560
182742600,1sleep30-21swapper/300:28:543
8492590,5sleep13051499cyclictest23:06:011
125122590,2sleep10-21swapper/123:50:491
95152580,2sleep20-21swapper/222:42:092
30508995747,5cyclictest9-21ksoftirqd/023:15:510
30508995746,6cyclictest9-21ksoftirqd/021:30:490
301222574,10sleep10-21swapper/120:21:561
316782560,1sleep20-21swapper/221:30:592
3052999567,20cyclictest29575-21cut22:30:523
30508995544,5cyclictest9-21ksoftirqd/022:00:500
30508995428,6cyclictest9-21ksoftirqd/022:46:010
187182540,2sleep20-21swapper/201:33:372
168802540,1sleep00-21swapper/000:26:340
30508995242,5cyclictest9-21ksoftirqd/021:25:480
211842520,2sleep20-21swapper/221:10:512
3051499514,17cyclictest15426-21ssh01:30:551
30508995138,3cyclictest9-21ksoftirqd/000:10:390
30508994937,3cyclictest9-21ksoftirqd/022:25:510
30508994935,4cyclictest9-21ksoftirqd/023:10:580
30508994920,6cyclictest9-21ksoftirqd/000:57:220
3051899481,14cyclictest13726-21awk22:01:052
30508994832,3cyclictest9-21ksoftirqd/000:40:400
30508994825,6cyclictest9-21ksoftirqd/000:20:530
3052999471,12cyclictest6510-21rm01:54:063
3050899476,8cyclictest9-21ksoftirqd/023:50:590
30508994739,4cyclictest9-21ksoftirqd/023:30:510
3050899472,9cyclictest9-21ksoftirqd/023:30:380
3050899472,9cyclictest9-21ksoftirqd/001:10:500
3050899465,8cyclictest9-21ksoftirqd/021:21:050
30508994634,3cyclictest9-21ksoftirqd/001:46:010
30508994632,3cyclictest9-21ksoftirqd/022:25:370
30508994623,7cyclictest9-21ksoftirqd/000:45:400
30508994623,2cyclictest9-21ksoftirqd/023:24:070
30508994615,10cyclictest9-21ksoftirqd/022:34:310
30508994531,6cyclictest9-21ksoftirqd/000:45:520
30508994531,3cyclictest9-21ksoftirqd/001:00:580
30508994523,7cyclictest9-21ksoftirqd/023:05:590
30508994521,7cyclictest9-21ksoftirqd/023:01:100
30508994521,3cyclictest9-21ksoftirqd/001:40:580
3028524525,9sleep20-21swapper/220:24:032
3052999448,11cyclictest0-21swapper/322:56:453
30508994422,7cyclictest9-21ksoftirqd/000:51:000
30508994421,4cyclictest9-21ksoftirqd/023:57:300
30508994420,4cyclictest9-21ksoftirqd/022:58:540
30508994417,4cyclictest9-21ksoftirqd/001:51:580
3051899430,12cyclictest8334-21awk00:50:592
30508994334,3cyclictest9-21ksoftirqd/022:36:020
30508994332,3cyclictest9-21ksoftirqd/020:40:550
30508994329,3cyclictest9-21ksoftirqd/022:43:070
30508994319,4cyclictest9-21ksoftirqd/023:46:220
30508994315,4cyclictest9-21ksoftirqd/001:38:450
3052999427,12cyclictest29683-21sed21:26:053
3052999426,12cyclictest24938-21ssh23:30:523
3050899425,3cyclictest9-21ksoftirqd/023:35:550
3050899425,3cyclictest9-21ksoftirqd/023:35:550
30508994231,3cyclictest9-21ksoftirqd/023:45:380
30508994220,8cyclictest9-21ksoftirqd/020:45:490
3050899420,4cyclictest9-21ksoftirqd/000:30:540
3052999418,18cyclictest3546-21sed20:35:343
3052999414,11cyclictest0-21swapper/321:21:013
3050899415,3cyclictest9-21ksoftirqd/001:25:550
3050899415,3cyclictest9-21ksoftirqd/001:25:550
30508994130,3cyclictest9-21ksoftirqd/020:35:490
30508994118,8cyclictest9-21ksoftirqd/021:40:550
3050899411,3cyclictest9-21ksoftirqd/021:01:040
3050899410,7cyclictest9-21ksoftirqd/021:06:030
30529994023,11cyclictest2665-21apt-get00:45:513
30529994021,10cyclictest27535-21apt-get01:10:513
30508994032,4cyclictest9-21ksoftirqd/001:05:520
30508994030,3cyclictest9-21ksoftirqd/021:10:510
3050899402,8cyclictest121rcu_preempt00:10:520
30508994026,3cyclictest9-21ksoftirqd/001:24:430
30508994018,7cyclictest9-21ksoftirqd/001:32:370
30508994016,4cyclictest9-21ksoftirqd/021:59:350
30508994012,9cyclictest9-21ksoftirqd/000:19:580
3052999398,10cyclictest0-21swapper/322:40:153
3051499394,25cyclictest11940-21kworker/u8:022:50:491
30508993927,3cyclictest9-21ksoftirqd/020:30:370
106891390,1ptp4l401ktimersoftd/323:52:253
3052999389,18cyclictest320-21ssh01:15:543
3052999389,18cyclictest24881-21perl22:25:533
3052999389,17cyclictest30333-21bc01:45:533
3052999387,20cyclictest15198-21/usr/sbin/munin23:20:523
3052999386,11cyclictest23245-21awk01:05:573
30529993810,15cyclictest18322-21ptp4l-jitter22:51:003
3051899380,13cyclictest13541-21sed22:46:062
3051899380,11cyclictest23854-21diskmemload22:37:062
3050899386,6cyclictest9-21ksoftirqd/021:50:470
3050899386,6cyclictest9-21ksoftirqd/021:50:470
3050899386,6cyclictest9-21ksoftirqd/000:01:010
30508993832,3cyclictest9-21ksoftirqd/020:30:340
30508993818,7cyclictest9-21ksoftirqd/020:58:010
30508993818,7cyclictest9-21ksoftirqd/020:50:510
106891380,1ptp4l401ktimersoftd/323:44:523
106891380,1ptp4l401ktimersoftd/323:03:443
106891380,1ptp4l401ktimersoftd/301:43:143
106891380,1ptp4l401ktimersoftd/301:01:233
106891380,1ptp4l401ktimersoftd/300:55:443
106891380,1ptp4l401ktimersoftd/300:54:133
106891380,1ptp4l401ktimersoftd/300:42:483
106891380,1ptp4l401ktimersoftd/300:20:533
106891380,1ptp4l401ktimersoftd/300:15:443
106891380,1ptp4l401ktimersoftd/300:06:173
3052999377,18cyclictest7545-21apt-get21:50:483
3052999377,18cyclictest7545-21apt-get21:50:483
3052999376,19cyclictest0-21swapper/321:56:033
3050899375,6cyclictest9-21ksoftirqd/021:15:580
3050899375,3cyclictest9-21ksoftirqd/022:15:570
30508993714,4cyclictest9-21ksoftirqd/022:11:050
106891370,1ptp4l401ktimersoftd/323:40:233
106891370,1ptp4l401ktimersoftd/323:40:233
106891370,1ptp4l401ktimersoftd/323:19:193
106891370,1ptp4l401ktimersoftd/323:09:203
106891370,1ptp4l401ktimersoftd/322:44:463
106891370,1ptp4l401ktimersoftd/320:40:503
106891370,1ptp4l401ktimersoftd/301:32:123
106891370,1ptp4l401ktimersoftd/301:20:513
106891370,1ptp4l401ktimersoftd/300:40:303
106891370,1ptp4l401ktimersoftd/300:12:003
106891370,0ptp4l401ktimersoftd/323:13:443
106891370,0ptp4l401ktimersoftd/320:36:173
3052999365,18cyclictest0-21swapper/300:01:113
3050899368,8cyclictest9-21ksoftirqd/021:46:040
106891360,1ptp4l401ktimersoftd/323:47:233
106891360,1ptp4l401ktimersoftd/320:49:383
106891360,1ptp4l401ktimersoftd/301:40:403
106891360,1ptp4l401ktimersoftd/301:25:443
106891360,1ptp4l401ktimersoftd/301:25:443
106891360,0ptp4l401ktimersoftd/322:49:233
30529993523,6cyclictest2817-21apt-get21:40:483
30529993511,20cyclictest16893-21uname21:00:563
3051899350,21cyclictest31056-21awk22:31:072
3051899350,14cyclictest0-21swapper/223:34:242
3051899350,12cyclictest23783-21snmp_o5powerctl00:01:062
3051899350,12cyclictest15781-21ssh23:53:452
30508993526,3cyclictest9-21ksoftirqd/021:35:520
106891350,1ptp4l401ktimersoftd/323:28:013
106891350,0ptp4l401ktimersoftd/321:33:103
3052999347,12cyclictest20707-21mailstats22:15:563
3051899340,21cyclictest30715-21ssh00:08:442
3051899340,21cyclictest2306-21sed20:30:552
3051899340,13cyclictest0-21swapper/201:52:542
3051499342,30cyclictest27794-21cron21:25:351
30529993312,18cyclictest6128-21sort21:45:553
3051899330,22cyclictest0-21swapper/200:35:522
3051899330,19cyclictest0-21swapper/222:26:242
3051899330,13cyclictest10341-21smartctl00:20:572
3051899330,11cyclictest0-21swapper/223:11:192
3051899321,20cyclictest14656-21ssh00:56:252
3051899320,20cyclictest22239-21ssh00:32:142
3051899320,20cyclictest0-21swapper/222:55:422
3051899320,20cyclictest0-21swapper/201:09:252
3051899320,17cyclictest2665-21apt-get00:45:492
30529993116,10cyclictest0-21swapper/322:10:483
3051899311,16cyclictest23854-21diskmemload01:46:062
3051899310,28cyclictest29922sleep223:40:552
3051899310,12cyclictest19195-21awk23:56:092
3051499312,2cyclictest121rcu_preempt01:19:251
30529993017,7cyclictest407-21apt-get21:35:473
3051899301,13cyclictest16905-21/usr/sbin/munin22:50:542
3051899300,19cyclictest3155-21ssh01:17:452
3051899300,19cyclictest17919-21ssh23:23:022
3051899300,18cyclictest0-21swapper/200:27:122
3051899300,18cyclictest0-21swapper/200:20:292
3051899300,13cyclictest28997-21/usr/sbin/munin01:11:052
3051899300,12cyclictest0-21swapper/223:46:572
3051499301,3cyclictest121rcu_preempt00:29:591
3052999293,10cyclictest0-21swapper/320:25:503
30529992914,12cyclictest0-21swapper/321:15:483
3051899290,16cyclictest25388-21apt-get01:40:552
30529992817,8cyclictest0-21swapper/321:05:463
30529992815,10cyclictest12135-21strings20:50:553
30529992814,10cyclictest14521-21strings20:55:563
3051899281,15cyclictest23753-21ssh23:29:282
3051899280,12cyclictest13623-21cstates20:55:492
91232270,4sleep125-21ksoftirqd/123:15:201
30529992716,6cyclictest20774-21apt-get21:10:473
30529992715,9cyclictest20020-21chrt00:30:543
30529992715,8cyclictest22111-21fschecks_time22:20:533
30529992713,9cyclictest13019-21irqrtprio22:00:553
30518992721,3cyclictest33-21ksoftirqd/221:29:282
30518992720,4cyclictest33-21ksoftirqd/222:24:462
3051899270,8cyclictest32273-21apt-get00:10:512
3051899270,15cyclictest8848-21ssh01:23:572
3051899270,15cyclictest20068-21grep22:15:522
3051899270,14cyclictest26906-21/usr/sbin/munin23:01:082
3051899270,11cyclictest17535-21/usr/sbin/munin01:01:062
3051899270,11cyclictest0-21swapper/223:35:462
3051899270,11cyclictest0-21swapper/223:35:462
3051899270,11cyclictest0-21swapper/221:16:042
30514992721,3cyclictest25-21ksoftirqd/120:50:351
30529992613,9cyclictest15911-21grep22:05:573
30518992620,3cyclictest33-21ksoftirqd/221:53:552
30518992620,3cyclictest33-21ksoftirqd/221:53:552
30518992619,4cyclictest33-21ksoftirqd/221:25:052
3051899260,12cyclictest22554-21sh01:36:422
3051899260,11cyclictest10044-21snmp_o5powerctl20:45:582
3051899260,11cyclictest0-21swapper/200:41:442
3051899260,10cyclictest13971-21ssh23:20:062
30514992619,4cyclictest25-21ksoftirqd/121:28:251
30518992518,4cyclictest33-21ksoftirqd/222:09:132
30518992518,4cyclictest33-21ksoftirqd/221:48:572
30518992518,4cyclictest33-21ksoftirqd/220:40:002
30518992518,4cyclictest33-21ksoftirqd/220:29:002
3051499253,16cyclictest22573-21apt-get01:05:521
30514992519,4cyclictest25-21ksoftirqd/122:19:561
30514992519,4cyclictest25-21ksoftirqd/120:57:421
30514992518,4cyclictest25-21ksoftirqd/122:22:371
30514992518,4cyclictest25-21ksoftirqd/120:42:441
30514992517,6cyclictest25-21ksoftirqd/100:46:011
30518992419,3cyclictest33-21ksoftirqd/223:06:182
30518992418,3cyclictest33-21ksoftirqd/221:09:352
30518992417,4cyclictest33-21ksoftirqd/221:56:162
30518992417,4cyclictest33-21ksoftirqd/221:43:472
3051499243,5cyclictest121rcu_preempt22:26:051
30514992418,3cyclictest25-21ksoftirqd/121:46:151
30514992417,4cyclictest25-21ksoftirqd/122:46:251
30514992417,4cyclictest25-21ksoftirqd/121:01:231
30514992417,4cyclictest25-21ksoftirqd/120:39:111
30514992317,3cyclictest27148-21ssh00:05:441
30514992317,3cyclictest25-21ksoftirqd/123:21:061
30514992317,3cyclictest25-21ksoftirqd/100:32:211
30514992317,3cyclictest0-21swapper/122:55:501
30514992316,5cyclictest25-21ksoftirqd/100:43:451
30514992316,4cyclictest25-21ksoftirqd/123:29:131
30514992316,4cyclictest25-21ksoftirqd/120:54:531
30514992316,4cyclictest25-21ksoftirqd/120:26:221
30514992316,4cyclictest17871-21hddtemp_smartct23:55:551
3051499231,17cyclictest0-21swapper/100:50:541
133362230,5sleep113343-21irqrtprio00:55:581
30518992216,3cyclictest33-21ksoftirqd/222:13:372
30518992215,4cyclictest33-21ksoftirqd/221:05:172
30514992217,3cyclictest25-21ksoftirqd/100:35:541
30514992216,3cyclictest2809-21kworker/u8:323:20:031
30514992215,4cyclictest19203-21timerandwakeup01:01:111
3051499221,18cyclictest7397-21apt-get23:45:511
3051499220,3cyclictest121rcu_preempt00:23:041
30518992116,3cyclictest33-21ksoftirqd/220:50:592
30514992116,3cyclictest7766-21ssh01:22:091
30514992115,4cyclictest25-21ksoftirqd/121:37:241
30514992115,4cyclictest24651-21ssh00:01:561
30514992115,3cyclictest7390-21fschecks_time22:40:521
30514992115,3cyclictest1516-21cpuspeed_turbos20:30:501
30514992114,4cyclictest895-21sh01:48:031
30514992114,4cyclictest25-21ksoftirqd/121:09:021
3051499211,18cyclictest0-21swapper/123:36:191
3051499211,18cyclictest0-21swapper/123:36:191
30518992014,3cyclictest7281-21latency20:40:532
30514992015,3cyclictest4307-21ssh23:41:111
3051499201,4cyclictest22419-21ssh01:36:281
30514992014,4cyclictest26917-21ssh23:31:271
30514992014,3cyclictest320-21hddtemp_smartct00:10:561
30514992014,3cyclictest29967-21sh01:12:061
30514992014,3cyclictest25-21ksoftirqd/122:12:451
30514992014,3cyclictest25-21ksoftirqd/121:59:041
30514992014,3cyclictest24096-21latency21:15:551
30514992014,3cyclictest14906-21df22:05:491
30514992013,4cyclictest2787-21sh01:50:491
3051499201,16cyclictest21030-21df_inode21:10:501
30518991913,3cyclictest2134-21uptime21:36:052
30514991913,3cyclictest7908-21grep21:50:511
30514991913,3cyclictest7908-21grep21:50:511
30514991913,3cyclictest5102-21df00:15:531
30514991913,3cyclictest3499-21snmp_o5powerctl22:36:021
30514991913,3cyclictest29854-21fschecks_time22:30:541
30514991913,3cyclictest1055-21runrttasks01:29:191
30514991913,3cyclictest1055-21runrttasks01:29:191
30514991912,5cyclictest25990-21ssh01:41:001
30514991912,4cyclictest13633-21snmp_o5powerctl22:01:011
3051499190,17cyclictest0-21swapper/123:01:381
30514991812,3cyclictest2985-21cat21:40:501
3051499180,2cyclictest0-21swapper/121:30:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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