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2026-05-09 - 14:08
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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 Sat May 09, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106891950,4ptp4l401ktimersoftd/320:29:213
706299670,4cyclictest9071-21ssh22:40:011
706299670,4cyclictest9071-21ssh22:40:011
168592630,1sleep30-21swapper/323:53:113
102142620,3sleep010213-21ssh01:27:030
7067995824,8cyclictest33-21ksoftirqd/223:31:442
274672570,2sleep20-21swapper/223:31:552
129582570,3sleep312955-21ssh00:22:143
707399567,18cyclictest24876-21awk00:02:003
707399566,13cyclictest9412-21ssh01:58:233
7067995642,4cyclictest33-21ksoftirqd/201:52:032
214992560,2sleep10-21swapper/101:37:161
124602560,4sleep1706299cyclictest23:49:041
7067995524,6cyclictest33-21ksoftirqd/200:37:052
707399544,13cyclictest10286-21latency_hist22:41:423
707399544,13cyclictest10286-21latency_hist22:41:423
7067995426,4cyclictest33-21ksoftirqd/200:16:442
7067995425,5cyclictest33-21ksoftirqd/223:12:042
7067995425,5cyclictest33-21ksoftirqd/201:22:072
7067995424,5cyclictest33-21ksoftirqd/201:07:052
7067995423,7cyclictest33-21ksoftirqd/223:37:122
7067995422,7cyclictest33-21ksoftirqd/222:46:572
7067995422,6cyclictest33-21ksoftirqd/200:42:012
707399536,17cyclictest4005-21ssh01:21:153
707399535,17cyclictest22682-21/usr/sbin/munin23:26:593
707399535,12cyclictest18186-21irqrtprio23:22:023
7067995327,6cyclictest33-21ksoftirqd/220:36:432
7067995327,6cyclictest33-21ksoftirqd/220:36:432
706799532,6cyclictest12374-21apt-get23:16:482
7067995326,4cyclictest33-21ksoftirqd/223:06:432
7067995323,6cyclictest33-21ksoftirqd/223:22:122
7067995323,6cyclictest33-21ksoftirqd/222:41:592
7067995321,7cyclictest33-21ksoftirqd/223:07:052
7067995318,6cyclictest33-21ksoftirqd/223:42:372
305692530,2sleep00-21swapper/023:34:380
707399527,10cyclictest9416-21taskset23:12:253
707399526,15cyclictest18930-21taskset01:36:123
707399526,13cyclictest17981-21fschecks_count20:51:553
707399526,11cyclictest26675-21ssh22:57:063
707399525,18cyclictest1055-21runrttasks22:18:053
707399525,12cyclictest24548-21sh01:41:583
707399525,11cyclictest21258-21seq01:05:113
707399523,13cyclictest7748-21sed00:51:463
7067995223,6cyclictest33-21ksoftirqd/222:36:042
7067995223,6cyclictest33-21ksoftirqd/201:37:052
7067995223,4cyclictest33-21ksoftirqd/222:57:002
7067995222,7cyclictest33-21ksoftirqd/221:41:552
7067995222,7cyclictest33-21ksoftirqd/220:46:552
7067995222,7cyclictest33-21ksoftirqd/220:46:552
7067995222,6cyclictest33-21ksoftirqd/221:37:082
7067995222,5cyclictest33-21ksoftirqd/221:07:092
7067995221,7cyclictest33-21ksoftirqd/220:57:072
7067995221,6cyclictest33-21ksoftirqd/200:27:122
707399514,13cyclictest31430-21cut22:26:593
707399512,12cyclictest20984-21/usr/sbin/munin22:52:003
7067995125,6cyclictest33-21ksoftirqd/200:26:452
7067995124,6cyclictest33-21ksoftirqd/201:27:062
7067995124,4cyclictest33-21ksoftirqd/201:57:082
7067995123,5cyclictest33-21ksoftirqd/222:22:012
7067995122,6cyclictest33-21ksoftirqd/223:46:582
7067995122,6cyclictest33-21ksoftirqd/222:02:082
7067995122,6cyclictest33-21ksoftirqd/221:16:532
7067995122,6cyclictest33-21ksoftirqd/201:01:452
7067995122,5cyclictest33-21ksoftirqd/221:47:032
7067995122,5cyclictest33-21ksoftirqd/221:32:092
7067995121,6cyclictest33-21ksoftirqd/201:17:132
7067995120,6cyclictest33-21ksoftirqd/222:11:412
7067995120,6cyclictest33-21ksoftirqd/200:07:012
7067995119,6cyclictest33-21ksoftirqd/223:56:442
707399506,12cyclictest17179-21sh01:01:333
707399506,11cyclictest8492-21ssh00:52:023
707399505,10cyclictest31139-21ssh01:15:293
707399503,13cyclictest15127-21sed20:46:393
707399503,13cyclictest15127-21sed20:46:393
707399502,12cyclictest4477-21cat23:41:443
707399501,21cyclictest30105-1kworker/u9:000:42:103
7067995025,4cyclictest33-21ksoftirqd/201:12:012
7067995024,5cyclictest33-21ksoftirqd/200:52:022
7067995023,4cyclictest33-21ksoftirqd/200:46:572
7067995022,10cyclictest33-21ksoftirqd/222:27:012
7067995021,8cyclictest33-21ksoftirqd/201:46:582
7067995021,6cyclictest33-21ksoftirqd/201:41:462
7067995021,6cyclictest33-21ksoftirqd/201:02:002
7067995020,6cyclictest33-21ksoftirqd/221:56:562
7067995019,6cyclictest33-21ksoftirqd/221:51:562
7067995019,6cyclictest33-21ksoftirqd/200:02:112
707399496,11cyclictest16875-21ssh23:21:343
707399496,10cyclictest9083-21sshd20:32:523
707399495,11cyclictest32618-21diskmemload01:24:263
707399495,11cyclictest18625-21/usr/sbin/munin22:02:033
707399495,10cyclictest32440-21ssh23:02:563
707399493,12cyclictest7066-21interrupts00:17:023
707399492,12cyclictest3638-21ssh01:52:163
707399492,12cyclictest11821-21timerandwakeup20:37:063
707399492,12cyclictest11821-21timerandwakeup20:37:063
7067994924,4cyclictest33-21ksoftirqd/223:56:572
7067994923,6cyclictest33-21ksoftirqd/222:11:532
7067994921,6cyclictest33-21ksoftirqd/221:12:092
7067994920,6cyclictest33-21ksoftirqd/221:02:022
7067994920,6cyclictest33-21ksoftirqd/220:31:572
7067994919,5cyclictest33-21ksoftirqd/222:37:012
7067994919,5cyclictest33-21ksoftirqd/222:37:012
706299490,3cyclictest3457-21ssh23:40:221
707399487,17cyclictest3197-21ssh22:33:253
707399486,15cyclictest31375-21runrttasks01:47:303
707399486,11cyclictest23717-21ssh00:33:503
707399485,11cyclictest32431-21cat21:21:573
707399485,10cyclictest11561-21ssh01:27:283
707399484,11cyclictest18789-21ssh00:28:403
707399483,12cyclictest12140-21sed22:42:083
707399483,11cyclictest30295-21latency_hist22:26:413
7067994823,6cyclictest33-21ksoftirqd/220:51:562
7067994820,7cyclictest33-21ksoftirqd/221:31:412
706799481,7cyclictest33-21ksoftirqd/200:36:452
7067994813,3cyclictest33-21ksoftirqd/222:52:022
7067994811,3cyclictest33-21ksoftirqd/200:17:052
707399475,11cyclictest11541-21taskset23:47:283
707399473,12cyclictest25193-21perl21:06:563
707399472,12cyclictest31785-21latency_hist21:21:413
707399471,20cyclictest0-21swapper/301:11:463
707399471,12cyclictest27385-21timerandwakeup00:37:123
7067994722,4cyclictest33-21ksoftirqd/221:22:032
7067994719,6cyclictest33-21ksoftirqd/220:41:572
7067994719,6cyclictest33-21ksoftirqd/220:41:572
7067994718,10cyclictest33-21ksoftirqd/201:32:022
7067994712,7cyclictest33-21ksoftirqd/222:16:562
706299470,3cyclictest19917-21ssh23:23:221
66412474,31sleep20-21swapper/220:27:302
707399465,10cyclictest6237-21taskset21:35:573
707399462,17cyclictest7660-21runrttasks23:44:103
707399462,12cyclictest22535-21timerandwakeup22:07:093
707399460,11cyclictest0-21swapper/322:16:413
707399456,12cyclictest3595-21sh00:12:383
707399455,12cyclictest18527-21taskset22:49:223
707399455,11cyclictest23658-21sh01:40:593
707399455,10cyclictest4783-21runrttasks23:07:503
707399448,5cyclictest0-21swapper/320:47:083
707399448,5cyclictest0-21swapper/320:47:083
706299441,3cyclictest12191-21taskset20:38:481
706299441,3cyclictest12191-21taskset20:38:481
706299430,2cyclictest0-21swapper/100:19:071
707399425,16cyclictest31047-21taskset23:35:273
7056994226,9cyclictest9-21ksoftirqd/023:01:530
707399413,16cyclictest22732-21runrttasks23:59:563
706299413,31cyclictest18704-21apt-get22:01:531
706299401,32cyclictest7425-21apt-get23:11:531
706299400,2cyclictest0-21swapper/121:29:111
707399396,20cyclictest3851-21chrt21:30:433
706299392,30cyclictest28188-21apt-get22:21:541
706299392,30cyclictest16317-21apt-get21:56:521
707399383,9cyclictest28975-21/usr/sbin/munin00:07:053
707399382,10cyclictest14304-21fschecks_time21:51:563
707399374,11cyclictest85862chrt21:40:393
706299373,28cyclictest27173-21apt-get21:11:521
706299373,28cyclictest0-21swapper/101:56:581
706299372,29cyclictest7323-21apt-get20:31:501
706299372,29cyclictest22567-21apt-get01:06:571
7062993720,14cyclictest25-21ksoftirqd/122:08:271
706299371,3cyclictest32405-21ssh01:49:161
7062993710,24cyclictest11249-21apt-get00:21:571
706299370,4cyclictest12960-21apt-get20:41:501
706299370,4cyclictest12960-21apt-get20:41:501
106891370,1ptp4l401ktimersoftd/321:01:253
707399364,14cyclictest13154-21taskset21:48:133
706299362,28cyclictest0-21swapper/121:51:521
706299362,27cyclictest7984-21apt-get00:51:571
706299362,27cyclictest4667-21apt-get23:41:551
706299362,27cyclictest27307-21apt-get23:31:531
706299361,4cyclictest29945-21sh00:41:111
706299361,3cyclictest19045-21taskset00:29:071
706299361,28cyclictest15327-21apt-get20:46:521
706299361,28cyclictest15327-21apt-get20:46:521
706299360,5cyclictest4519-21fschecks_count21:31:551
706299360,4cyclictest2576-21apt-get23:06:541
706299360,4cyclictest25664-21sed21:06:591
706299360,4cyclictest1299-21taskset21:23:241
706299360,3cyclictest11644-21/usr/sbin/munin21:46:561
706299360,2cyclictest12505-21apt-get23:16:541
706299360,2cyclictest0-21swapper/101:27:331
706299360,2cyclictest0-21swapper/101:03:161
106891360,1ptp4l401ktimersoftd/321:42:053
706299353,26cyclictest10477-21apt-get22:41:521
706299352,27cyclictest12830-21apt-get00:56:561
706299351,29cyclictest0-21swapper/100:41:551
706299351,28cyclictest14806-21apt-get01:31:571
706299350,4cyclictest655-21ssh00:10:591
706299350,4cyclictest32297-21ssh23:02:421
706299350,4cyclictest32133-21unixbench-2d22:27:091
706299350,4cyclictest24516-21ssh00:35:121
706299350,3cyclictest27169-21ssh01:43:371
706299350,3cyclictest24709-21ssh00:01:591
706299350,3cyclictest23863-21/usr/sbin/munin22:11:561
706299350,3cyclictest22399-21acpi21:01:511
706299350,2cyclictest0-21swapper/101:19:171
706299346,25cyclictest24006-21unixbench_multi23:27:111
706299346,25cyclictest14613-21cpuspeed_turbos23:51:571
706299342,27cyclictest20311-21apt-get22:51:541
7062993414,17cyclictest6191-21sh01:22:121
7062993413,18cyclictest3288-21ls00:46:571
706299340,3cyclictest5559-21rm01:55:101
706299340,3cyclictest27229-21/usr/sbin/munin22:17:091
706299340,3cyclictest10705-21vmstat21:42:121
706299340,30cyclictest23112-21rm00:00:351
706299340,2cyclictest64-21kswapd000:11:551
706299340,2cyclictest0-21swapper/121:16:591
706299332,25cyclictest570-21apt-get22:31:521
706299330,3cyclictest31515-21ssh01:16:091
706299330,3cyclictest29239-21rm23:00:541
7062993216,13cyclictest25-21ksoftirqd/121:00:101
706299321,3cyclictest7063-21sed20:31:391
706299320,4cyclictest17639-21acpi20:51:511
706299320,3cyclictest7593-21memory21:37:001
706299320,3cyclictest17326-21ssh22:47:171
7056993227,3cyclictest9-21ksoftirqd/000:31:440
707399306,6cyclictest6051-21snmpd21:56:533
707399304,11cyclictest29077-21taskset21:14:443
7056993025,3cyclictest111rcuc/001:42:050
7056992923,3cyclictest9-21ksoftirqd/000:01:430
62642295,10sleep00-21swapper/020:27:070
7056992823,3cyclictest9-21ksoftirqd/021:21:400
7056992823,3cyclictest9-21ksoftirqd/020:36:390
7056992823,3cyclictest9-21ksoftirqd/000:41:450
7056992823,3cyclictest9-21ksoftirqd/000:02:000
7056992822,3cyclictest9-21ksoftirqd/022:49:330
7056992820,5cyclictest13425-21cron21:51:410
7056992722,3cyclictest9-21ksoftirqd/021:57:030
7056992721,3cyclictest9-21ksoftirqd/020:46:540
7056992721,3cyclictest9-21ksoftirqd/020:46:540
7056992621,3cyclictest9-21ksoftirqd/023:27:120
7056992621,3cyclictest9-21ksoftirqd/000:21:440
7056992620,3cyclictest9-21ksoftirqd/023:11:570
7056992615,6cyclictest9-21ksoftirqd/001:06:570
705699253,13cyclictest4733-21ssh01:21:570
7056992519,4cyclictest9-21ksoftirqd/021:32:370
7056992519,4cyclictest9-21ksoftirqd/021:11:530
7056992519,3cyclictest9-21ksoftirqd/022:22:460
7056992519,3cyclictest9-21ksoftirqd/001:00:330
7056992419,3cyclictest9-21ksoftirqd/023:37:010
7056992419,3cyclictest9-21ksoftirqd/022:31:530
7056992418,4cyclictest9-21ksoftirqd/022:31:360
7056992417,4cyclictest9-21ksoftirqd/021:06:190
705699241,19cyclictest0-21swapper/001:52:010
106891240,1ptp4l401ktimersoftd/321:02:063
7056992318,3cyclictest9-21ksoftirqd/021:31:410
7056992317,3cyclictest9-21ksoftirqd/022:10:100
7056992317,3cyclictest9-21ksoftirqd/020:42:330
7056992317,3cyclictest9-21ksoftirqd/020:42:330
7056992316,4cyclictest9-21ksoftirqd/020:58:480
7056992316,4cyclictest2723-21sh00:46:450
7056992316,4cyclictest10447-21acpi22:41:510
7056992315,5cyclictest22082-21grep00:32:040
229352230,5sleep09-21ksoftirqd/022:53:300
705699224,9cyclictest2584-21ssh23:06:540
7056992217,3cyclictest9-21ksoftirqd/021:22:010
7056992217,3cyclictest9-21ksoftirqd/001:17:000
7056992217,3cyclictest9-21ksoftirqd/000:56:450
7056992116,3cyclictest9-21ksoftirqd/022:37:010
7056992116,3cyclictest9-21ksoftirqd/022:37:010
7056992116,3cyclictest9-21ksoftirqd/020:41:390
7056992116,3cyclictest9-21ksoftirqd/020:41:390
7056992116,3cyclictest9-21ksoftirqd/001:31:490
7056992115,3cyclictest4817-21grep00:47:130
705699211,4cyclictest12218-21apt-config23:16:440
7056992111,8cyclictest9-21ksoftirqd/001:46:590
705699211,17cyclictest27720-21diskstats01:12:010
299422210,3sleep029891-21ssh00:07:020
139572210,17sleep013966-21ssh00:23:450
7056992014,3cyclictest23817-21perl22:11:560
7056992013,4cyclictest32618-21diskmemload23:51:420
7056992013,4cyclictest25924-21grep22:56:590
7056992012,7cyclictest0-21swapper/020:51:580
705699200,19cyclictest0-21swapper/023:42:100
705699192,15cyclictest25902-21tr22:16:540
7056991914,3cyclictest9550-21munin-node21:41:530
7056991914,3cyclictest13432-21apt-get21:51:430
7056991913,3cyclictest7503-21kernelversion21:36:590
7056991913,3cyclictest24261-21cut01:41:460
7056991912,4cyclictest7377-21gltestperf01:57:030
7056991912,4cyclictest32618-21diskmemload23:24:510
7056991912,4cyclictest32618-21diskmemload01:04:100
7056991911,5cyclictest19115-21tail22:01:570
186592190,2sleep00-21swapper/023:56:190
7056991812,3cyclictest9-21ksoftirqd/021:06:590
7056991811,4cyclictest2139-21awk00:12:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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