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2026-03-11 - 05:48
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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 Wed Mar 11, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1414321690,4sleep0172099cyclictest22:18:410
1031221530,3sleep2173099cyclictest22:46:452
3174221490,4sleep2173099cyclictest20:59:182
1068911240,8ptp4l9450-21kworker/3:119:55:413
172602750,2sleep30-21swapper/322:54:173
106891690,1ptp4l401ktimersoftd/323:12:483
106891670,9ptp4l401ktimersoftd/300:06:293
13472665,10sleep20-21swapper/219:55:302
66022620,1sleep20-21swapper/223:15:242
313612590,4sleep09-21ksoftirqd/022:34:310
106891580,1ptp4l401ktimersoftd/322:29:353
213732560,2sleep10-21swapper/100:36:451
106891560,1ptp4l401ktimersoftd/320:20:463
276512550,2sleep10-21swapper/122:31:111
12092540,2sleep00-21swapper/021:04:140
80952520,3sleep28098-21irqrtprio20:09:202
1720994639,4cyclictest0-21swapper/019:59:000
106891430,1ptp4l401ktimersoftd/301:21:133
1724994237,3cyclictest0-21swapper/119:59:001
106891420,1ptp4l401ktimersoftd/323:51:003
106891400,1ptp4l401ktimersoftd/301:07:293
106891390,1ptp4l401ktimersoftd/300:58:563
106891390,1ptp4l401ktimersoftd/300:13:103
106891380,1ptp4l401ktimersoftd/322:42:053
106891380,1ptp4l401ktimersoftd/322:37:053
106891380,1ptp4l401ktimersoftd/322:24:283
106891380,1ptp4l401ktimersoftd/301:17:333
106891380,1ptp4l401ktimersoftd/301:17:333
106891380,1ptp4l401ktimersoftd/300:28:413
106891380,1ptp4l401ktimersoftd/300:03:253
106891370,2ptp4l3568-21kworker/3:100:52:173
106891370,1ptp4l401ktimersoftd/323:55:263
106891370,1ptp4l401ktimersoftd/323:45:133
106891370,1ptp4l401ktimersoftd/323:26:283
106891370,1ptp4l401ktimersoftd/323:21:503
106891370,1ptp4l401ktimersoftd/323:04:083
106891370,1ptp4l401ktimersoftd/322:45:043
106891370,1ptp4l401ktimersoftd/322:11:223
106891370,1ptp4l401ktimersoftd/321:59:123
106891370,1ptp4l401ktimersoftd/300:45:383
106891370,1ptp4l401ktimersoftd/300:34:513
106891370,1ptp4l401ktimersoftd/300:33:253
106891370,1ptp4l401ktimersoftd/300:23:123
106891370,1ptp4l401ktimersoftd/300:15:303
106891370,0ptp4l401ktimersoftd/323:42:413
106891360,1ptp4l401ktimersoftd/323:34:563
106891360,1ptp4l401ktimersoftd/323:34:563
106891360,1ptp4l401ktimersoftd/323:14:143
106891360,1ptp4l401ktimersoftd/323:02:473
106891360,1ptp4l401ktimersoftd/322:50:093
106891360,1ptp4l401ktimersoftd/322:05:483
106891360,1ptp4l401ktimersoftd/320:54:143
106891360,1ptp4l401ktimersoftd/301:25:503
106891360,1ptp4l401ktimersoftd/301:09:463
106891360,0ptp4l401ktimersoftd/322:23:553
106891360,0ptp4l401ktimersoftd/322:14:343
106891350,1ptp4l401ktimersoftd/300:40:103
106891350,0ptp4l401ktimersoftd/321:07:233
106891350,0ptp4l401ktimersoftd/320:36:043
106891340,2ptp4l27015-21kworker/3:221:42:183
307932330,3sleep2321ktimersoftd/223:08:092
106891320,2ptp4l9450-21kworker/3:120:15:283
106891320,2ptp4l27015-21kworker/3:221:00:043
106891320,1ptp4l401ktimersoftd/321:44:243
106891320,1ptp4l401ktimersoftd/321:44:243
106891320,1ptp4l401ktimersoftd/321:29:223
106891320,1ptp4l401ktimersoftd/321:25:083
106891320,1ptp4l401ktimersoftd/301:00:283
142752310,2sleep20-21swapper/220:24:012
106891310,1ptp4l401ktimersoftd/320:41:113
319502300,4sleep2173099cyclictest22:35:092
256412300,4sleep1172499cyclictest21:54:211
106891300,0ptp4l401ktimersoftd/321:15:093
106891300,0ptp4l401ktimersoftd/320:27:323
1720992924,3cyclictest9-21ksoftirqd/022:29:040
106891290,0ptp4l401ktimersoftd/320:03:273
304132270,3sleep233-21ksoftirqd/200:13:462
1730992722,3cyclictest33-21ksoftirqd/223:27:532
1724992721,3cyclictest25-21ksoftirqd/123:09:241
1720992721,3cyclictest9-21ksoftirqd/022:44:220
1720992720,5cyclictest9-21ksoftirqd/000:29:180
1730992620,3cyclictest33-21ksoftirqd/222:24:212
1730992620,3cyclictest33-21ksoftirqd/220:38:452
1730992620,3cyclictest33-21ksoftirqd/220:15:142
1730992619,4cyclictest33-21ksoftirqd/221:51:172
1730992619,4cyclictest33-21ksoftirqd/221:34:592
1730992619,4cyclictest33-21ksoftirqd/221:17:492
1724992620,3cyclictest25-21ksoftirqd/123:33:451
1724992620,3cyclictest25-21ksoftirqd/123:33:451
1724992619,4cyclictest25-21ksoftirqd/123:21:571
1724992619,4cyclictest25-21ksoftirqd/120:58:131
1724992619,4cyclictest17175-21sed21:34:311
1720992621,3cyclictest9-21ksoftirqd/023:59:060
1720992621,3cyclictest9-21ksoftirqd/020:39:010
1720992620,3cyclictest9-21ksoftirqd/000:14:060
106891260,11ptp4l401ktimersoftd/320:30:263
106891260,10ptp4l401ktimersoftd/320:53:453
298732250,3sleep1172499cyclictest01:18:491
298732250,3sleep1172499cyclictest01:18:491
1737992518,4cyclictest41-21ksoftirqd/321:22:233
1737992518,4cyclictest41-21ksoftirqd/321:09:433
1737992518,4cyclictest41-21ksoftirqd/320:13:183
1730992521,3cyclictest33-21ksoftirqd/200:02:152
1730992519,3cyclictest33-21ksoftirqd/221:56:272
1730992519,3cyclictest33-21ksoftirqd/221:12:132
1730992519,3cyclictest33-21ksoftirqd/220:40:272
1730992519,3cyclictest33-21ksoftirqd/220:26:092
1730992519,3cyclictest33-21ksoftirqd/220:00:392
1730992518,4cyclictest33-21ksoftirqd/221:46:432
1730992518,4cyclictest33-21ksoftirqd/221:46:432
1730992518,4cyclictest33-21ksoftirqd/220:55:332
1730992518,4cyclictest33-21ksoftirqd/220:30:392
173099251,2cyclictest0-21swapper/200:55:422
1724992519,3cyclictest21651-21grep00:04:241
1724992518,4cyclictest25-21ksoftirqd/120:05:291
1724992518,4cyclictest25-21ksoftirqd/120:00:071
1724992518,4cyclictest25-21ksoftirqd/101:07:211
1720992520,3cyclictest9-21ksoftirqd/023:34:220
1720992520,3cyclictest9-21ksoftirqd/023:34:220
1720992520,3cyclictest9-21ksoftirqd/000:14:190
1720992519,4cyclictest9-21ksoftirqd/022:29:160
1720992519,3cyclictest9-21ksoftirqd/022:49:050
1720992519,3cyclictest9-21ksoftirqd/020:58:280
1720992519,3cyclictest9-21ksoftirqd/020:09:450
1720992519,3cyclictest9-21ksoftirqd/020:09:000
1720992518,4cyclictest9-21ksoftirqd/021:57:250
1607622518,3sleep233-21ksoftirqd/200:31:052
106891250,1ptp4l401ktimersoftd/321:51:573
106891250,0ptp4l401ktimersoftd/320:48:253
1730992419,3cyclictest33-21ksoftirqd/223:44:192
1730992418,3cyclictest33-21ksoftirqd/222:29:512
1730992418,3cyclictest33-21ksoftirqd/222:14:152
1730992418,3cyclictest33-21ksoftirqd/221:40:552
1730992418,3cyclictest33-21ksoftirqd/221:33:002
1730992417,4cyclictest33-21ksoftirqd/221:25:052
1730992417,4cyclictest33-21ksoftirqd/200:18:312
173099241,4cyclictest2894-21/usr/sbin/munin01:24:282
1724992419,3cyclictest25-21ksoftirqd/100:24:071
1724992418,3cyclictest16464-21tune2fs23:59:211
1720992418,3cyclictest9-21ksoftirqd/021:52:140
1720992417,4cyclictest9-21ksoftirqd/021:44:480
1720992417,4cyclictest9-21ksoftirqd/021:44:480
1720992417,4cyclictest233-21systemd-journal20:04:000
158072240,3sleep115912-21needreboot22:19:231
106891240,1ptp4l401ktimersoftd/323:31:483
106891240,1ptp4l401ktimersoftd/323:31:483
106891240,0ptp4l401ktimersoftd/320:08:153
293912230,2sleep00-21swapper/001:18:010
293912230,2sleep00-21swapper/001:18:010
240442230,2sleep1172499cyclictest01:12:141
182042230,4sleep2321ktimersoftd/200:34:172
1730992316,4cyclictest33-21ksoftirqd/221:23:552
1730992316,4cyclictest33-21ksoftirqd/221:06:572
172499233,17cyclictest6474-21sed21:14:161
1724992317,3cyclictest25-21ksoftirqd/122:49:241
1724992316,4cyclictest25-21ksoftirqd/121:12:341
1724992316,4cyclictest25-21ksoftirqd/120:17:461
1724992316,4cyclictest25-21ksoftirqd/100:33:041
172099239,4cyclictest292262ssh00:44:280
1720992318,3cyclictest9-21ksoftirqd/023:14:190
1720992318,3cyclictest9-21ksoftirqd/023:04:040
1720992317,4cyclictest9-21ksoftirqd/022:04:240
1720992316,4cyclictest9-21ksoftirqd/023:20:360
1720992316,4cyclictest9-21ksoftirqd/021:25:170
1720992316,4cyclictest9-21ksoftirqd/020:33:180
1720992316,4cyclictest9-21ksoftirqd/020:22:470
1720992315,5cyclictest14868-21tr22:19:160
106891230,1ptp4l401ktimersoftd/321:54:193
106891230,1ptp4l401ktimersoftd/321:34:143
82542220,5sleep125-21ksoftirqd/123:49:521
255412220,18sleep00-21swapper/020:44:270
214712220,18sleep10-21swapper/121:44:261
214712220,18sleep10-21swapper/121:44:261
193732221,17sleep119559-21users21:39:331
1730992217,3cyclictest33-21ksoftirqd/223:19:262
1730992216,3cyclictest33-21ksoftirqd/220:46:352
1730992215,4cyclictest6651-21grep23:49:202
1730992215,4cyclictest33-21ksoftirqd/220:08:192
1730992213,5cyclictest1929-21rt-features00:49:302
1724992216,3cyclictest28198-21grep00:44:211
1724992216,3cyclictest25-21ksoftirqd/120:32:381
1724992216,3cyclictest25-21ksoftirqd/100:42:511
1724992215,4cyclictest30387-21/usr/sbin/munin01:19:231
1724992215,4cyclictest25-21ksoftirqd/120:48:561
1724992215,4cyclictest11638-21sed23:54:231
1720992217,3cyclictest9-21ksoftirqd/000:04:220
1720992216,3cyclictest9-21ksoftirqd/001:12:130
1720992215,4cyclictest9-21ksoftirqd/021:39:470
1720992215,4cyclictest9-21ksoftirqd/021:15:060
1720992214,4cyclictest15303-21cron01:04:070
194392210,2sleep10-21swapper/122:55:331
1730992114,4cyclictest26704-21sh23:36:122
1730992114,4cyclictest26704-21sh23:36:122
1730992114,4cyclictest12016-21/usr/sbin/munin22:49:162
173099211,3cyclictest16212-21snmp_o5powerctl22:19:282
1730992112,5cyclictest22567-21timerandwakeup00:04:342
1724992116,3cyclictest26421-21sh23:04:041
1724992116,3cyclictest25-21ksoftirqd/123:04:241
1724992116,3cyclictest25-21ksoftirqd/121:07:081
1724992116,3cyclictest25-21ksoftirqd/120:50:021
1724992115,4cyclictest25-21ksoftirqd/121:20:491
1724992115,4cyclictest25-21ksoftirqd/120:24:121
1724992115,3cyclictest25-21ksoftirqd/120:20:011
1724992115,3cyclictest19582-21tr20:34:131
1724992115,3cyclictest15213-21grep23:24:251
1724992114,4cyclictest8358-21/usr/sbin/munin00:24:361
1724992114,4cyclictest7450-21sh22:44:191
1724992114,4cyclictest29007-21sshd00:11:231
1724992114,4cyclictest12042-21sh22:15:081
172499211,18cyclictest0-21swapper/121:34:021
172099216,10cyclictest18984-21ssh23:29:150
172099216,10cyclictest18984-21ssh23:29:150
172099213,14cyclictest0-21swapper/000:39:170
1720992116,3cyclictest9-21ksoftirqd/023:39:190
1720992116,3cyclictest9-21ksoftirqd/020:14:160
1720992115,4cyclictest9-21ksoftirqd/000:19:170
172099211,4cyclictest8395-21ssh22:12:170
1720992114,4cyclictest9-21ksoftirqd/020:27:320
1720992114,4cyclictest6968-21phc2sys00:54:300
1720992114,4cyclictest22760-21cron00:39:070
1720992114,4cyclictest22080-21df_inode20:39:160
1720992114,4cyclictest13802-21irqrtprio21:29:210
1720992114,4cyclictest1039-21sh01:21:350
1720992112,4cyclictest31780-21sh23:09:170
172099211,17cyclictest2825-21snmp_o5powerctl23:44:340
1720992110,8cyclictest2589-21uniq22:39:190
173099209,8cyclictest18016-21latency22:54:232
1730992015,3cyclictest33-21ksoftirqd/201:04:242
1730992014,3cyclictest29329-21sh21:59:342
1730992014,3cyclictest22860-21sh22:59:232
1730992014,3cyclictest1059-21grep23:09:342
1730992013,4cyclictest5806-21sh00:20:202
1730992013,4cyclictest31857-21sh01:19:302
1730992013,4cyclictest24745-21date00:39:342
1730992013,4cyclictest22506-21who01:09:382
1730992013,4cyclictest11335-21ls23:54:202
173099201,17cyclictest22127-21ssh23:31:462
173099201,17cyclictest22127-21ssh23:31:462
173099200,4cyclictest6116-21phc2sys22:09:242
173099200,18cyclictest0-21swapper/223:39:382
1724992015,3cyclictest5999-21tail00:54:251
1724992014,3cyclictest5117-21sh22:41:161
1724992014,3cyclictest30191-21head22:34:181
1724992014,3cyclictest29161-21cut23:39:221
1724992014,3cyclictest28594-21latency_hist23:39:061
1724992014,3cyclictest28594-21latency_hist23:39:061
1724992014,3cyclictest25-21ksoftirqd/123:19:041
1724992014,3cyclictest25-21ksoftirqd/100:16:221
1724992014,3cyclictest14277-21sh01:02:221
1724992013,4cyclictest27060-21diskmemload22:11:131
1724992013,4cyclictest23764-21pluginstate21:49:231
1724992013,4cyclictest1099-21hddtemp_smartct00:49:241
1724992010,7cyclictest32385-21needreboot20:59:221
1720992015,3cyclictest9-21ksoftirqd/022:03:280
1720992013,4cyclictest6270-21sh01:27:060
1720992013,4cyclictest27060-21diskmemload23:04:250
1720992013,4cyclictest27060-21diskmemload22:54:560
1720992013,4cyclictest27060-21diskmemload00:27:430
1720992013,4cyclictest16931-21grep01:04:300
1720992012,5cyclictest4741-21ssh00:53:320
1720992012,5cyclictest28210-21unixbench_multi20:49:310
1720992012,4cyclictest7215-21latency23:49:240
1720992011,6cyclictest16058-21/usr/sbin/munin23:59:180
173099192,14cyclictest26678-21cat01:14:282
173099192,14cyclictest26678-21cat01:14:282
1730991915,2cyclictest0-21swapper/222:43:132
1730991913,3cyclictest29417-21rt-features00:44:302
1730991913,3cyclictest27866-21readlink20:49:252
1730991912,4cyclictest8324-21sh00:24:152
1730991912,4cyclictest13697-21sh01:01:232
173099191,16cyclictest0-21swapper/222:04:442
1724991913,4cyclictest25-21ksoftirqd/122:25:121
1724991913,3cyclictest7352-21cat20:09:121
1724991913,3cyclictest6494-21sh01:27:291
1724991913,3cyclictest22918-21open_files20:39:221
1724991912,4cyclictest25-21ksoftirqd/121:25:221
1724991912,4cyclictest1639-21entropy23:44:221
172499191,15cyclictest32690-21diskstats22:04:191
172099193,10cyclictest14074-21apt-get23:24:170
1720991912,4cyclictest9-21ksoftirqd/021:09:150
1720991912,4cyclictest31239-21seq20:59:120
1720991912,4cyclictest16786-21mailstats21:34:240
1720991911,5cyclictest10444-21cron21:24:020
1724991812,3cyclictest32073-21latency_hist22:04:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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