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2026-09-22 - 23:12
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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 Tue Sep 22, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
466421870,4sleep1898399cyclictest11:48:231
2404421550,4sleep1898399cyclictest14:21:561
1452821360,4sleep0897899cyclictest14:44:390
1068911150,8ptp4l7620-21kworker/3:109:42:393
45662730,2sleep20-21swapper/215:07:302
106891720,1ptp4l401ktimersoftd/312:59:403
898399700,3cyclictest31518-21ssh12:48:411
106891650,1ptp4l401ktimersoftd/313:47:583
898399649,22cyclictest26750-21sh12:43:551
106891640,1ptp4l401ktimersoftd/312:24:373
52682630,2sleep20-21swapper/211:49:242
85942624,10sleep10-21swapper/109:43:241
898399610,4cyclictest29726-21ssh12:14:161
175152600,2sleep10-21swapper/110:02:201
898399597,26cyclictest311412chrt10:32:031
89672590,2sleep30-21swapper/313:32:233
86552584,41sleep00-21swapper/009:44:120
29542580,2sleep2321ktimersoftd/212:52:312
106891580,1ptp4l401ktimersoftd/313:26:163
898399570,3cyclictest0-21swapper/111:35:001
106891550,1ptp4l401ktimersoftd/312:15:393
898399547,24cyclictest19285-21sendmail_mailqu11:12:271
86322544,37sleep20-21swapper/209:43:532
898399520,3cyclictest1940-21diskmemload14:16:191
298342520,1sleep30-21swapper/314:27:283
8983995010,28cyclictest1300-21seq12:17:401
898399498,25cyclictest91592chrt12:58:451
229122490,2sleep30-21swapper/312:40:443
898399488,26cyclictest32646-21/usr/sbin/munin13:57:371
898399480,2cyclictest103072chrt10:53:301
106891480,10ptp4l401ktimersoftd/315:15:573
106891480,10ptp4l401ktimersoftd/315:15:573
106891470,0ptp4l401ktimersoftd/309:54:083
898399467,24cyclictest25061-21/usr/sbin/munin11:27:281
8978994635,6cyclictest9-21ksoftirqd/011:27:290
250212460,2sleep10-21swapper/113:47:551
106891460,2ptp4l11387-21kworker/3:212:51:283
106891460,1ptp4l401ktimersoftd/313:57:343
106891460,1ptp4l401ktimersoftd/312:00:383
106891460,1ptp4l401ktimersoftd/311:55:113
106891450,8ptp4l401ktimersoftd/313:52:553
898399440,3cyclictest3376-21taskset12:52:381
898399433,31cyclictest21418-21apt-get13:12:181
898399433,31cyclictest16386-21apt-get14:47:231
898399420,4cyclictest24011-21ssh14:54:141
106891420,1ptp4l401ktimersoftd/312:42:443
8987994127,11cyclictest33-21ksoftirqd/212:07:272
106891410,1ptp4l401ktimersoftd/314:02:193
106891410,1ptp4l401ktimersoftd/312:11:143
106891410,0ptp4l401ktimersoftd/313:42:133
106891410,0ptp4l401ktimersoftd/313:42:133
898399393,29cyclictest1418-21apt-get10:37:171
898399393,29cyclictest13295-21apt-get11:02:161
898399392,29cyclictest22772-21apt-get11:22:171
106891390,1ptp4l401ktimersoftd/314:59:373
106891390,1ptp4l401ktimersoftd/314:41:503
106891390,1ptp4l401ktimersoftd/314:36:293
106891390,1ptp4l401ktimersoftd/313:07:473
106891390,1ptp4l401ktimersoftd/311:37:223
898399383,28cyclictest19394-21apt-get10:07:141
898399383,27cyclictest6159-21apt-get10:47:171
898399382,29cyclictest26113-21apt-get14:57:201
898399380,4cyclictest15308-21seq13:05:581
106891380,1ptp4l401ktimersoftd/315:03:593
106891380,1ptp4l401ktimersoftd/314:52:013
106891380,1ptp4l401ktimersoftd/314:24:203
106891380,1ptp4l401ktimersoftd/314:18:143
106891380,1ptp4l401ktimersoftd/312:17:373
106891380,1ptp4l401ktimersoftd/311:51:193
106891380,0ptp4l401ktimersoftd/313:29:123
898399373,26cyclictest9238-21apt-get09:47:151
898399373,26cyclictest24142-21apt-get10:17:131
898399370,4cyclictest9572-21ssh11:53:201
898399370,4cyclictest21259-21irqrtprio11:17:231
898399370,4cyclictest19967-21unixbench_singl13:42:391
898399370,4cyclictest19967-21unixbench_singl13:42:391
898399370,3cyclictest26400-21cut13:17:181
898399370,2cyclictest0-21swapper/113:32:261
106891370,1ptp4l401ktimersoftd/313:41:163
106891370,1ptp4l401ktimersoftd/313:41:163
106891370,1ptp4l401ktimersoftd/313:18:093
106891370,1ptp4l401ktimersoftd/312:53:293
106891370,1ptp4l401ktimersoftd/312:02:453
106891370,1ptp4l401ktimersoftd/312:02:453
106891370,0ptp4l401ktimersoftd/314:56:433
106891370,0ptp4l401ktimersoftd/312:28:143
106891370,0ptp4l401ktimersoftd/311:03:233
106891370,0ptp4l401ktimersoftd/310:33:473
898399363,27cyclictest22026-21apt-get12:07:211
8983993616,17cyclictest5428-21grep13:27:411
8983993615,18cyclictest5430-21sed12:22:291
898399360,9cyclictest0-21swapper/114:28:521
106891360,1ptp4l401ktimersoftd/315:10:053
106891360,1ptp4l401ktimersoftd/314:42:463
106891360,0ptp4l401ktimersoftd/311:25:373
106891360,0ptp4l401ktimersoftd/310:25:403
898399358,23cyclictest24562-21cat14:22:211
898399353,26cyclictest12280-21apt-get09:52:161
8983993515,17cyclictest17677-21sh13:42:001
8983993515,17cyclictest17677-21sh13:42:001
8983993515,17cyclictest14666-21sh14:44:531
898399350,3cyclictest6185-21ssh14:37:041
898399350,3cyclictest1940-21diskmemload14:40:481
898399350,3cyclictest11020-21awk12:27:371
898399350,3cyclictest0-21swapper/113:22:261
898399350,2cyclictest0-21swapper/115:12:301
898399350,2cyclictest0-21swapper/115:12:301
66442350,4sleep3899799cyclictest10:47:223
106891350,1ptp4l401ktimersoftd/314:15:113
106891350,1ptp4l401ktimersoftd/314:10:133
106891350,1ptp4l401ktimersoftd/313:13:093
8997993427,3cyclictest41-21ksoftirqd/313:02:253
898399348,22cyclictest20091-21sh12:37:251
898399341,29cyclictest32013-21memory15:02:291
8983993412,18cyclictest14551-21latency_hist14:12:091
898399340,4cyclictest1208-21snmp_o5powerctl11:42:281
898399340,3cyclictest49492sleep110:42:261
898399340,3cyclictest1940-21diskmemload11:58:361
898399340,3cyclictest17202-21sed13:07:301
898399340,3cyclictest0-21swapper/112:32:291
106891340,5ptp4l401ktimersoftd/310:03:313
106891340,1ptp4l401ktimersoftd/312:34:573
106891340,1ptp4l401ktimersoftd/311:12:333
898399338,21cyclictest663-21gdbus10:22:051
8983993316,14cyclictest25-21ksoftirqd/111:07:561
898399331,4cyclictest28791-21irqstats13:52:261
898399330,3cyclictest31681-21expr10:32:181
898399330,30cyclictest17612-21hddtemp_smartct12:02:221
898399330,30cyclictest17612-21hddtemp_smartct12:02:221
8978993322,5cyclictest9-21ksoftirqd/011:02:160
898399320,3cyclictest5114-21acpi14:02:191
106891320,1ptp4l401ktimersoftd/311:42:113
8997993125,4cyclictest41-21ksoftirqd/310:57:213
898399316,21cyclictest21667-21date10:12:031
898399316,21cyclictest21667-21date10:12:031
898399310,4cyclictest3885-21head15:07:251
106891310,1ptp4l401ktimersoftd/310:56:203
106891310,1ptp4l401ktimersoftd/310:31:333
8997993025,3cyclictest41-21ksoftirqd/311:37:043
8987993025,3cyclictest27125-1kworker/u9:013:52:212
8987993024,3cyclictest33-21ksoftirqd/211:17:042
8987993019,9cyclictest33-21ksoftirqd/214:02:202
898399305,21cyclictest14611-21acpi09:57:141
898399302,22cyclictest29931-21apt-get11:37:191
106891300,10ptp4l401ktimersoftd/311:10:363
8997992921,4cyclictest41-21ksoftirqd/310:12:193
8997992921,4cyclictest41-21ksoftirqd/310:12:193
8987992923,3cyclictest33-21ksoftirqd/212:32:272
898399291,4cyclictest11041-21cpuspeed_turbos10:57:161
8978992924,3cyclictest9-21ksoftirqd/011:57:050
8978992923,3cyclictest9-21ksoftirqd/012:12:200
126782290,2sleep20-21swapper/212:29:592
8997992823,3cyclictest41-21ksoftirqd/310:37:333
8997992822,3cyclictest41-21ksoftirqd/310:17:143
8987992823,3cyclictest33-21ksoftirqd/215:17:102
8987992823,3cyclictest33-21ksoftirqd/214:32:222
8987992823,3cyclictest33-21ksoftirqd/212:37:292
8987992823,3cyclictest33-21ksoftirqd/211:17:232
8987992822,3cyclictest33-21ksoftirqd/213:12:072
8987992820,3cyclictest33-21ksoftirqd/213:26:482
8978992823,3cyclictest9-21ksoftirqd/014:37:400
8978992823,3cyclictest9-21ksoftirqd/011:02:040
8987992723,3cyclictest33-21ksoftirqd/213:37:582
8987992723,3cyclictest33-21ksoftirqd/213:37:582
8987992722,3cyclictest33-21ksoftirqd/212:50:412
8987992722,3cyclictest33-21ksoftirqd/212:42:262
8987992722,3cyclictest33-21ksoftirqd/211:47:042
8987992720,4cyclictest33-21ksoftirqd/211:32:222
8987992720,4cyclictest33-21ksoftirqd/210:57:492
8987992720,4cyclictest33-21ksoftirqd/210:27:582
8987992712,4cyclictest33-21ksoftirqd/212:04:012
8987992712,4cyclictest33-21ksoftirqd/212:04:012
8987992711,8cyclictest33-21ksoftirqd/214:53:202
8978992722,3cyclictest9-21ksoftirqd/013:17:250
8978992722,3cyclictest9-21ksoftirqd/011:47:240
8978992721,3cyclictest9-21ksoftirqd/013:32:360
180072271,21sleep018102-21/usr/sbin/munin10:02:240
8997992621,3cyclictest41-21ksoftirqd/311:27:293
8987992621,3cyclictest33-21ksoftirqd/214:27:282
8987992621,3cyclictest33-21ksoftirqd/214:12:532
8987992621,3cyclictest33-21ksoftirqd/213:47:072
8987992621,3cyclictest33-21ksoftirqd/213:47:072
8987992621,3cyclictest33-21ksoftirqd/212:17:052
8987992621,3cyclictest33-21ksoftirqd/210:32:232
8987992620,3cyclictest33-21ksoftirqd/209:55:152
8987992620,3cyclictest33-21ksoftirqd/209:52:022
8987992619,4cyclictest33-21ksoftirqd/210:48:222
8987992619,4cyclictest33-21ksoftirqd/210:42:482
8987992619,4cyclictest33-21ksoftirqd/210:40:232
897899265,14cyclictest11542-21ssh13:02:190
897899264,13cyclictest21432-21ssh13:12:180
8978992621,3cyclictest9-21ksoftirqd/015:07:250
8997992520,3cyclictest41-21ksoftirqd/309:47:163
8987992520,3cyclictest33-21ksoftirqd/214:57:272
8987992520,3cyclictest33-21ksoftirqd/213:47:252
8987992519,4cyclictest33-21ksoftirqd/213:17:362
8987992519,4cyclictest33-21ksoftirqd/210:16:422
8987992519,4cyclictest33-21ksoftirqd/210:16:422
8987992519,3cyclictest33-21ksoftirqd/210:03:572
8987992518,4cyclictest33-21ksoftirqd/211:09:532
8987992512,10cyclictest25084-21expr14:22:262
8987992510,4cyclictest33-21ksoftirqd/212:57:112
8978992520,3cyclictest9-21ksoftirqd/013:37:350
8978992520,3cyclictest9-21ksoftirqd/013:37:350
8978992520,3cyclictest9-21ksoftirqd/012:47:300
8978992519,3cyclictest26205-21apt-get10:22:050
8978992515,8cyclictest24207-21latency_hist14:22:090
8978992513,6cyclictest9-21ksoftirqd/009:47:140
106891250,1ptp4l401ktimersoftd/309:57:303
8987992419,3cyclictest33-21ksoftirqd/213:02:222
8987992419,3cyclictest33-21ksoftirqd/211:52:222
8987992418,3cyclictest33-21ksoftirqd/214:11:052
898799241,7cyclictest12966-21snmp_o5powerctl14:42:342
8987992417,4cyclictest33-21ksoftirqd/211:31:452
8987992417,4cyclictest33-21ksoftirqd/210:00:562
8978992419,3cyclictest9-21ksoftirqd/012:07:280
8978992419,3cyclictest9-21ksoftirqd/011:57:240
8978992419,3cyclictest9-21ksoftirqd/009:52:030
8978992418,3cyclictest29604-21sh11:37:040
8978992417,4cyclictest9-21ksoftirqd/014:52:210
8978992417,4cyclictest9-21ksoftirqd/011:43:160
8978992417,4cyclictest9-21ksoftirqd/010:54:180
8978992417,4cyclictest9-21ksoftirqd/010:29:170
8978992417,4cyclictest11436-21ssh12:27:520
106891240,1ptp4l401ktimersoftd/311:17:163
106891240,1ptp4l401ktimersoftd/310:42:193
106891240,1ptp4l401ktimersoftd/310:08:403
8987992318,3cyclictest33-21ksoftirqd/215:12:282
8987992318,3cyclictest33-21ksoftirqd/214:17:292
8987992318,3cyclictest33-21ksoftirqd/213:12:192
8987992317,3cyclictest33-21ksoftirqd/210:21:382
897899234,12cyclictest64-21kswapd013:27:230
897899233,12cyclictest64-21kswapd014:27:240
8978992318,3cyclictest9-21ksoftirqd/014:12:300
8978992318,3cyclictest9-21ksoftirqd/012:32:210
8978992317,3cyclictest9-21ksoftirqd/015:15:430
8978992317,3cyclictest9-21ksoftirqd/015:15:430
8978992317,3cyclictest9-21ksoftirqd/015:06:510
8978992317,3cyclictest9-21ksoftirqd/011:15:290
8978992317,3cyclictest9-21ksoftirqd/010:14:230
8978992317,3cyclictest9-21ksoftirqd/010:14:230
8978992316,4cyclictest9-21ksoftirqd/011:08:430
8978992316,4cyclictest22915-21/usr/sbin/munin13:47:260
65542231,3sleep06567-21snmp_o5powerctl14:02:320
8987992217,3cyclictest33-21ksoftirqd/213:27:342
8987992217,3cyclictest33-21ksoftirqd/210:22:222
8987992215,4cyclictest12574-21fschecks_count11:57:222
897899224,9cyclictest1528-21ssh12:52:190
897899223,10cyclictest1803-21ssh14:32:210
8978992217,3cyclictest9-21ksoftirqd/014:07:200
8978992217,3cyclictest9-21ksoftirqd/013:52:200
8978992217,3cyclictest9-21ksoftirqd/013:07:390
8978992217,3cyclictest9-21ksoftirqd/012:02:240
8978992217,3cyclictest9-21ksoftirqd/012:02:240
8978992216,3cyclictest9-21ksoftirqd/011:38:260
8978992216,3cyclictest6082-21/usr/sbin/munin10:47:210
8978992216,3cyclictest29777-1kworker/u9:013:22:300
8978992215,4cyclictest5855-21latency_hist10:47:040
8978992215,4cyclictest24419-21fschecks_count10:17:160
8978992215,4cyclictest1940-21diskmemload15:01:440
8978992215,4cyclictest1940-21diskmemload13:01:000
8978992212,6cyclictest24316-21cstates12:42:200
898799213,15cyclictest31160-21ptp4l11:37:282
8987992114,4cyclictest47150irq/102-ens3-Tx15:02:332
8987992114,4cyclictest3953-21sh14:00:492
8987992114,4cyclictest14010-21sed11:02:222
8987992110,8cyclictest8453-21unixbench_multi14:37:402
8978992115,3cyclictest9-21ksoftirqd/011:26:490
8978992115,3cyclictest9-21ksoftirqd/011:18:100
8978992115,3cyclictest32563-21sh13:57:100
8978992115,3cyclictest26713-21sh14:23:090
8978992115,3cyclictest19597-21sh13:42:330
8978992115,3cyclictest19597-21sh13:42:330
8978992115,3cyclictest16306-21/usr/sbin/munin14:47:320
8987992014,3cyclictest4387-21cpu12:22:202
8987992014,3cyclictest33-21ksoftirqd/212:17:172
8987992014,3cyclictest18667-21sh14:48:252
8987992014,3cyclictest10665-21sh13:33:172
8978992014,3cyclictest3634-21sed10:42:040
8978992014,3cyclictest32499-21needreboot10:32:250
8978992014,3cyclictest21116-21seq10:07:490
8978992013,4cyclictest1940-21diskmemload12:20:270
8978992013,4cyclictest1055-21runrttasks12:23:170
897899201,16cyclictest20695-21ssh12:37:330
8987991913,3cyclictest33-21ksoftirqd/210:52:172
8987991913,3cyclictest20483-21open_inodes10:07:232
8978991913,3cyclictest14617-21bc09:57:140
898799182,12cyclictest23222-21sed11:22:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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