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2026-04-27 - 10:13
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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 376 highest latencies:
System rackbslot6.osadl.org (updated Mon Apr 27, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
693421700,5sleep31257199cyclictest01:10:103
50121460,3sleep01254999cyclictest23:25:210
1068911200,8ptp4l10049-21kworker/3:020:21:333
46212680,4sleep01254999cyclictest00:35:060
106891660,1ptp4l401ktimersoftd/322:57:593
310992650,5sleep01254999cyclictest01:00:320
122302654,10sleep00-21swapper/020:22:170
106891650,1ptp4l401ktimersoftd/323:34:433
73312620,2sleep00-21swapper/000:36:430
62052620,2sleep20-21swapper/222:57:482
106891610,1ptp4l401ktimersoftd/323:02:103
37802600,1sleep10-21swapper/100:00:271
106891600,1ptp4l401ktimersoftd/322:31:343
306592550,1sleep30-21swapper/300:28:033
185312540,3sleep118527-21ssh01:20:361
22162520,1sleep22217-21sh00:31:272
314382500,2sleep20-21swapper/223:23:462
123982504,33sleep20-21swapper/220:24:292
106891500,2ptp4l6631-21kworker/3:123:12:373
148802490,2sleep20-21swapper/201:17:202
106891480,2ptp4l10049-21kworker/3:020:49:193
106891470,1ptp4l401ktimersoftd/300:48:143
1225124526,8sleep10-21swapper/120:22:341
106891440,1ptp4l401ktimersoftd/300:44:333
106891430,1ptp4l401ktimersoftd/323:30:023
106891420,1ptp4l401ktimersoftd/323:40:183
106891400,2ptp4l20596-21kworker/3:100:22:273
106891400,1ptp4l401ktimersoftd/301:19:263
106891390,1ptp4l401ktimersoftd/301:06:183
106891390,1ptp4l401ktimersoftd/300:55:063
106891390,1ptp4l401ktimersoftd/300:55:063
106891390,0ptp4l401ktimersoftd/301:43:553
106891390,0ptp4l401ktimersoftd/301:39:183
106891390,0ptp4l401ktimersoftd/300:02:133
106891380,1ptp4l401ktimersoftd/323:57:083
106891380,1ptp4l401ktimersoftd/323:22:133
106891380,1ptp4l401ktimersoftd/322:44:593
106891380,1ptp4l401ktimersoftd/300:37:023
106891380,1ptp4l401ktimersoftd/300:33:523
106891370,1ptp4l401ktimersoftd/323:49:013
106891370,1ptp4l401ktimersoftd/323:08:003
106891370,1ptp4l401ktimersoftd/322:50:103
106891370,1ptp4l401ktimersoftd/322:47:363
106891370,1ptp4l401ktimersoftd/322:25:483
106891370,1ptp4l401ktimersoftd/321:40:183
106891370,1ptp4l401ktimersoftd/301:52:443
106891370,1ptp4l401ktimersoftd/301:33:113
106891370,1ptp4l401ktimersoftd/301:28:513
106891370,1ptp4l401ktimersoftd/301:00:423
106891370,1ptp4l401ktimersoftd/300:58:363
106891370,1ptp4l401ktimersoftd/300:58:363
106891370,1ptp4l401ktimersoftd/300:07:573
106891370,0ptp4l401ktimersoftd/301:45:393
120932360,4sleep09-21ksoftirqd/023:35:520
106891360,1ptp4l401ktimersoftd/322:36:233
106891360,1ptp4l401ktimersoftd/322:14:033
106891360,1ptp4l401ktimersoftd/321:58:413
106891360,1ptp4l401ktimersoftd/321:05:213
106891360,1ptp4l401ktimersoftd/300:19:093
106891360,1ptp4l401ktimersoftd/300:14:053
106891360,0ptp4l401ktimersoftd/301:22:593
179912350,3sleep21256599cyclictest01:53:342
106891350,2ptp4l10049-21kworker/3:020:40:473
106891350,0ptp4l401ktimersoftd/323:16:473
106891340,1ptp4l401ktimersoftd/323:50:523
106891340,12ptp4l401ktimersoftd/321:20:263
12565993317,6cyclictest33-21ksoftirqd/200:06:382
106891330,1ptp4l401ktimersoftd/321:30:263
106891320,1ptp4l401ktimersoftd/321:25:223
106891320,1ptp4l401ktimersoftd/321:25:223
192662310,3sleep112541-21cyclictest01:55:091
12565993115,7cyclictest33-21ksoftirqd/222:22:472
12554993124,3cyclictest25-21ksoftirqd/123:15:051
106891310,1ptp4l401ktimersoftd/322:24:073
106891310,1ptp4l401ktimersoftd/322:05:323
106891310,1ptp4l401ktimersoftd/321:17:383
106891310,1ptp4l401ktimersoftd/321:00:243
12554993021,6cyclictest25-21ksoftirqd/123:35:291
12554993018,9cyclictest16948-21grep23:40:361
12549993026,3cyclictest9-21ksoftirqd/001:55:090
12549993019,8cyclictest9-21ksoftirqd/001:21:200
12571992922,4cyclictest41-21ksoftirqd/320:36:423
12565992921,5cyclictest33-21ksoftirqd/223:05:352
12554992920,6cyclictest25-21ksoftirqd/101:40:281
28722280,4sleep01254999cyclictest01:37:580
12565992822,3cyclictest33-21ksoftirqd/201:50:082
12565992819,6cyclictest500-21/usr/sbin/munin23:25:212
12554992820,6cyclictest25-21ksoftirqd/100:10:321
12565992712,6cyclictest33-21ksoftirqd/223:02:262
12554992722,3cyclictest25-21ksoftirqd/123:55:291
12554992722,3cyclictest25-21ksoftirqd/123:25:181
12554992722,3cyclictest25-21ksoftirqd/123:00:171
12554992722,3cyclictest25-21ksoftirqd/122:10:241
12554992722,3cyclictest25-21ksoftirqd/101:30:331
12554992722,3cyclictest25-21ksoftirqd/101:20:071
12554992715,7cyclictest47050irq/101-ens3-Tx22:40:161
106891270,1ptp4l401ktimersoftd/322:15:583
106891270,1ptp4l401ktimersoftd/321:39:393
106891270,0ptp4l401ktimersoftd/321:11:353
12565992621,3cyclictest33-21ksoftirqd/200:55:232
12565992621,3cyclictest33-21ksoftirqd/200:55:232
12565992620,3cyclictest33-21ksoftirqd/223:15:242
12565992620,3cyclictest33-21ksoftirqd/221:21:212
12565992620,3cyclictest33-21ksoftirqd/221:15:122
12565992620,3cyclictest33-21ksoftirqd/220:49:252
12565992619,4cyclictest33-21ksoftirqd/221:59:072
1255499263,19cyclictest5305-21gltestperf00:35:251
12554992621,3cyclictest25-21ksoftirqd/120:35:011
12554992621,3cyclictest25-21ksoftirqd/101:45:251
12554992619,5cyclictest25-21ksoftirqd/122:30:181
12554992619,4cyclictest25-21ksoftirqd/122:50:041
12554992619,4cyclictest25-21ksoftirqd/121:35:021
12554992619,4cyclictest25-21ksoftirqd/101:37:231
12549992620,3cyclictest9-21ksoftirqd/021:01:160
1254999261,3cyclictest121rcu_preempt23:57:010
1254999260,19cyclictest28545-21sed01:30:380
106891260,1ptp4l401ktimersoftd/320:50:203
106891260,1ptp4l401ktimersoftd/320:30:373
106891260,0ptp4l401ktimersoftd/321:46:173
106891260,0ptp4l401ktimersoftd/320:59:243
31522250,1sleep20-21swapper/221:10:212
202702250,1sleep00-21swapper/023:45:160
141002250,2sleep00-21swapper/020:25:230
12571992515,8cyclictest41-21ksoftirqd/323:35:223
12565992519,3cyclictest33-21ksoftirqd/223:35:222
12565992519,3cyclictest33-21ksoftirqd/221:25:132
12565992519,3cyclictest33-21ksoftirqd/221:25:132
12565992519,3cyclictest33-21ksoftirqd/221:05:302
12565992518,4cyclictest33-21ksoftirqd/222:11:232
12565992518,4cyclictest33-21ksoftirqd/221:52:042
12565992518,4cyclictest33-21ksoftirqd/221:40:082
12565992518,4cyclictest33-21ksoftirqd/201:13:232
12565992518,4cyclictest1736-21apt01:05:072
12554992520,3cyclictest25-21ksoftirqd/121:40:321
12554992520,3cyclictest25-21ksoftirqd/121:06:371
12554992520,3cyclictest25-21ksoftirqd/101:05:211
12554992520,3cyclictest25-21ksoftirqd/100:30:191
12554992520,3cyclictest25-21ksoftirqd/100:25:061
12554992519,3cyclictest25-21ksoftirqd/123:50:241
12554992519,3cyclictest25-21ksoftirqd/122:57:501
12554992519,3cyclictest25-21ksoftirqd/122:05:181
12554992519,3cyclictest25-21ksoftirqd/121:49:181
12554992519,3cyclictest25-21ksoftirqd/120:46:291
12554992517,5cyclictest25-21ksoftirqd/100:15:181
12549992520,3cyclictest9-21ksoftirqd/000:20:200
12549992518,4cyclictest9-21ksoftirqd/020:54:010
106891250,1ptp4l401ktimersoftd/320:25:463
311092240,5sleep125-21ksoftirqd/101:00:331
12571992419,3cyclictest41-21ksoftirqd/321:55:033
1256599248,8cyclictest33-21ksoftirqd/220:35:192
1256599247,8cyclictest33-21ksoftirqd/221:00:292
12565992419,3cyclictest33-21ksoftirqd/222:05:212
12565992419,3cyclictest33-21ksoftirqd/220:50:172
12565992419,3cyclictest33-21ksoftirqd/220:30:012
12565992419,3cyclictest33-21ksoftirqd/201:30:142
12565992419,3cyclictest33-21ksoftirqd/200:40:252
12565992417,4cyclictest33-21ksoftirqd/223:12:262
12565992417,4cyclictest26592-21ptp4l23:50:272
12554992419,3cyclictest25-21ksoftirqd/122:15:211
12554992419,3cyclictest25-21ksoftirqd/121:20:241
12554992418,3cyclictest25-21ksoftirqd/122:35:231
12554992417,4cyclictest25-21ksoftirqd/122:04:161
12549992419,3cyclictest9-21ksoftirqd/000:15:190
12549992418,3cyclictest9-21ksoftirqd/022:10:570
12549992418,3cyclictest9-21ksoftirqd/020:59:150
106891240,1ptp4l401ktimersoftd/322:00:193
1256599237,5cyclictest33-21ksoftirqd/200:35:312
1256599233,17cyclictest20585-21/usr/sbin/munin22:40:292
12565992319,3cyclictest33-21ksoftirqd/201:37:072
12565992318,3cyclictest33-21ksoftirqd/223:30:202
12565992318,3cyclictest33-21ksoftirqd/221:37:372
12565992318,3cyclictest33-21ksoftirqd/220:30:172
12565992318,3cyclictest33-21ksoftirqd/200:19:412
12565992317,3cyclictest33-21ksoftirqd/221:31:152
12565992317,3cyclictest33-21ksoftirqd/200:54:202
12565992317,3cyclictest33-21ksoftirqd/200:54:202
12565992316,4cyclictest33-21ksoftirqd/220:42:392
12554992318,3cyclictest25-21ksoftirqd/121:25:321
12554992318,3cyclictest25-21ksoftirqd/121:25:321
12554992318,3cyclictest25-21ksoftirqd/100:25:251
12554992317,3cyclictest2610-21idleruntime-cro22:55:041
12554992317,3cyclictest25-21ksoftirqd/123:15:191
12554992317,3cyclictest25-21ksoftirqd/123:05:191
12554992317,3cyclictest25-21ksoftirqd/120:35:341
12554992317,3cyclictest25-21ksoftirqd/100:40:271
12554992316,4cyclictest25-21ksoftirqd/121:15:061
12549992318,3cyclictest9-21ksoftirqd/023:43:230
12549992318,3cyclictest9-21ksoftirqd/021:56:040
12549992318,3cyclictest9-21ksoftirqd/021:44:200
12549992318,3cyclictest9-21ksoftirqd/021:25:080
12549992318,3cyclictest9-21ksoftirqd/021:25:080
12549992317,4cyclictest9-21ksoftirqd/021:10:070
12549992317,3cyclictest9-21ksoftirqd/023:34:440
12549992317,3cyclictest9-21ksoftirqd/000:26:230
12549992316,4cyclictest9-21ksoftirqd/021:05:410
12549992316,4cyclictest9-21ksoftirqd/020:39:480
12549992316,4cyclictest9-21ksoftirqd/020:31:090
12549992315,5cyclictest233-21systemd-journal21:55:030
1256599228,5cyclictest33-21ksoftirqd/223:58:282
12565992218,3cyclictest33-21ksoftirqd/223:40:082
12565992217,3cyclictest33-21ksoftirqd/222:30:212
12565992217,3cyclictest33-21ksoftirqd/201:25:242
12565992217,3cyclictest33-21ksoftirqd/201:05:312
12565992216,3cyclictest33-21ksoftirqd/222:16:212
12565992215,4cyclictest33-21ksoftirqd/220:55:072
12565992215,4cyclictest24884-21latency_hist23:50:062
12565992214,5cyclictest12819-21cat00:10:192
12554992217,3cyclictest30506-21sed21:00:161
12554992217,3cyclictest25-21ksoftirqd/101:25:261
12554992216,3cyclictest25459-21tr20:50:141
12554992216,3cyclictest25-21ksoftirqd/123:25:051
12554992215,4cyclictest25-21ksoftirqd/121:55:401
12554992215,4cyclictest25-21ksoftirqd/120:25:441
1255499221,3cyclictest121rcu_preempt23:49:461
1255499221,18cyclictest7221-21grep01:10:211
1255499221,17cyclictest26547-21sed00:55:371
1255499221,17cyclictest26547-21sed00:55:371
12549992217,3cyclictest9-21ksoftirqd/022:22:090
12549992216,3cyclictest9-21ksoftirqd/023:53:420
12549992216,3cyclictest9-21ksoftirqd/021:19:300
12549992215,4cyclictest9-21ksoftirqd/021:47:530
12549992215,4cyclictest9-21ksoftirqd/000:10:180
1256599216,12cyclictest17170-21sh00:46:212
12565992115,3cyclictest33-21ksoftirqd/221:45:512
12565992114,4cyclictest5618-21sh00:02:222
12554992116,3cyclictest25-21ksoftirqd/122:25:211
12554992114,4cyclictest25-21ksoftirqd/120:58:151
12549992116,3cyclictest9-21ksoftirqd/023:10:350
12549992116,3cyclictest9-21ksoftirqd/022:07:360
12549992116,3cyclictest9-21ksoftirqd/020:45:440
12549992116,3cyclictest9-21ksoftirqd/000:40:240
12549992115,3cyclictest9-21ksoftirqd/022:18:080
12549992114,4cyclictest25606-21sh23:17:140
1254999211,10cyclictest16330-21turbostat.cron21:40:020
12565992015,3cyclictest33-21ksoftirqd/222:55:042
12565992015,3cyclictest33-21ksoftirqd/201:40:232
12565992014,3cyclictest26577-21df22:00:172
12565992013,4cyclictest27461-21cpuspeed_turbos00:25:202
12565992013,4cyclictest18632-21sh22:37:202
12565992013,4cyclictest10128-21sh22:29:382
12565992012,5cyclictest28526-21sh22:47:242
12565992012,3cyclictest33-21ksoftirqd/201:20:372
1255499202,16cyclictest15010-21tr00:45:191
12554992015,3cyclictest25-21ksoftirqd/123:30:201
12554992014,4cyclictest2301-21/usr/sbin/munin21:10:221
12554992014,3cyclictest5026-21unixbench_singl22:20:331
12554992014,3cyclictest25-21ksoftirqd/121:54:051
12554992014,3cyclictest25-21ksoftirqd/100:55:071
12554992014,3cyclictest25-21ksoftirqd/100:55:071
12554992014,3cyclictest15628-21awk21:35:311
12554992013,4cyclictest22764-21date20:45:021
12554992011,5cyclictest8653-21latency00:05:271
1254999208,10cyclictest20235-21gltestperf00:50:220
1254999208,10cyclictest20235-21gltestperf00:50:220
12549992016,3cyclictest9-21ksoftirqd/023:05:260
12549992015,3cyclictest9-21ksoftirqd/022:50:220
12549992015,3cyclictest9-21ksoftirqd/001:45:220
12549992014,3cyclictest9-21ksoftirqd/021:31:060
12549992014,3cyclictest7880-21/usr/sbin/munin23:00:270
12549992014,3cyclictest25054-21sh01:27:400
12549992013,4cyclictest6492-21awk22:25:200
12549992013,4cyclictest5460-21diskmemload22:47:140
12549992013,4cyclictest5460-21diskmemload22:43:100
12549992013,4cyclictest5460-21diskmemload01:15:520
12549992013,4cyclictest20817-21ls20:40:160
12549992012,4cyclictest639-21cron01:10:070
1254999200,17cyclictest32215-21cron23:25:050
12565991913,3cyclictest22928-21taskset00:20:232
1254999199,7cyclictest27934-21unixbench_multi22:00:320
12549991913,4cyclictest15494-21if_ens300:45:240
12549991913,3cyclictest5460-21diskmemload00:09:030
12549991913,3cyclictest5460-21diskmemload00:00:370
12549991912,4cyclictest9-21ksoftirqd/000:57:230
12549991912,4cyclictest9-21ksoftirqd/000:57:230
12549991912,4cyclictest7074-21basename21:20:130
12549991912,4cyclictest5460-21diskmemload01:44:150
1254999190,16cyclictest5684-21ssh22:56:550
12549991813,3cyclictest9-21ksoftirqd/022:34:220
12549991812,3cyclictest16726-21latency22:35:240
12549991811,4cyclictest11605-21latency_hist01:15:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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