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2026-08-02 - 18:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rackdslot1.osadl.org (updated Sun Aug 02, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
634622510,4sleep30-21swapper/307:08:093
634622510,4sleep30-21swapper/307:08:093
2398622490,3sleep2311rcuc/207:08:252
2398622490,3sleep2311rcuc/207:08:252
1621822010,8sleep116249-21multi.sh07:09:481
1621822010,8sleep116249-21multi.sh07:09:481
1438921980,3sleep00-21swapper/007:06:500
1438921980,3sleep00-21swapper/007:06:500
134491710,3ptp4l121rcu_preempt10:45:130
134491700,35ptp4l9-21ksoftirqd/007:11:370
134491630,4ptp4l0-21swapper/211:01:322
134491620,5ptp4l0-21swapper/108:40:291
134491610,5ptp4l0-21swapper/008:00:210
134491610,23ptp4l0-21swapper/212:33:092
134491600,4ptp4l0-21swapper/108:35:211
134491600,4ptp4l0-21swapper/108:35:211
271392590,1sleep327154-21od07:11:353
134491590,4ptp4l21167-21sh07:10:402
134491580,4ptp4l0-21swapper/307:30:233
134491580,3ptp4l2464-21meminfo07:50:222
134491570,3ptp4l0-21swapper/010:05:190
134491560,4ptp4l0-21swapper/110:36:391
134491560,2ptp4l0-21swapper/009:35:000
134491550,3ptp4l0-21swapper/307:22:383
134491540,5ptp4l0-21swapper/007:15:060
134491540,3ptp4l0-21swapper/112:06:081
134491540,3ptp4l0-21swapper/011:45:080
134491530,4ptp4l0-21swapper/308:01:543
134491530,3ptp4l0-21swapper/311:21:233
134491530,12ptp4l0-21swapper/008:05:220
134491530,12ptp4l0-21swapper/008:05:220
134491520,4ptp4l0-21swapper/308:28:103
134491520,4ptp4l0-21swapper/012:17:450
134491520,3ptp4l0-21swapper/108:15:271
134491520,16ptp4l0-21swapper/209:58:362
134491510,5ptp4l2614099cyclictest12:01:260
134491510,5ptp4l0-21swapper/007:31:430
134491510,4ptp4l0-21swapper/211:21:042
134491510,4ptp4l0-21swapper/112:03:581
134491510,4ptp4l0-21swapper/110:30:151
134491510,4ptp4l0-21swapper/011:13:310
134491510,4ptp4l0-21swapper/010:21:190
134491510,4ptp4l0-21swapper/008:43:190
134491510,3ptp4l0-21swapper/211:42:542
134491510,3ptp4l0-21swapper/012:14:030
134491510,11ptp4l0-21swapper/109:27:151
134491500,4ptp4l0-21swapper/210:05:072
134491500,4ptp4l0-21swapper/209:38:332
134491500,4ptp4l0-21swapper/108:58:271
134491500,4ptp4l0-21swapper/107:56:371
134491500,4ptp4l0-21swapper/012:30:290
134491500,4ptp4l0-21swapper/010:02:170
134491500,4ptp4l0-21swapper/009:12:010
134491500,4ptp4l0-21swapper/008:16:500
134491500,4ptp4l0-21swapper/007:59:080
134491500,3ptp4l0-21swapper/110:57:091
2614599492,44cyclictest0-21swapper/211:15:192
134491490,4ptp4l0-21swapper/309:51:123
134491490,4ptp4l0-21swapper/309:26:013
134491490,4ptp4l0-21swapper/210:01:082
134491490,4ptp4l0-21swapper/207:30:562
134491490,4ptp4l0-21swapper/110:17:311
134491490,4ptp4l0-21swapper/011:00:530
134491490,4ptp4l0-21swapper/009:56:030
134491490,3ptp4l0-21swapper/211:46:062
134491490,12ptp4l0-21swapper/009:48:450
134491490,11ptp4l0-21swapper/011:24:540
134491480,4ptp4l0-21swapper/311:50:013
134491480,4ptp4l0-21swapper/308:38:133
134491480,4ptp4l0-21swapper/308:38:133
134491480,4ptp4l0-21swapper/112:25:071
134491480,4ptp4l0-21swapper/111:39:571
134491480,4ptp4l0-21swapper/109:14:361
134491480,4ptp4l0-21swapper/108:10:261
134491480,4ptp4l0-21swapper/010:11:070
134491480,4ptp4l0-21swapper/008:53:350
134491480,3ptp4l0-21swapper/211:10:512
134491480,3ptp4l0-21swapper/209:41:102
134491480,3ptp4l0-21swapper/208:39:262
134491480,3ptp4l0-21swapper/208:39:262
46198470,4rtkit-daemon0-21swapper/111:29:141
134491470,4ptp4l0-21swapper/307:38:023
134491470,4ptp4l0-21swapper/307:38:023
134491470,4ptp4l0-21swapper/112:16:341
134491470,4ptp4l0-21swapper/107:32:581
134491470,13ptp4l1472-21latency_hist11:20:010
134491470,11ptp4l0-21swapper/011:57:430
134491460,4ptp4l0-21swapper/310:54:403
134491460,4ptp4l0-21swapper/310:32:503
134491460,4ptp4l0-21swapper/308:50:493
134491460,3ptp4l0-21swapper/211:53:522
134491460,11ptp4l5016-21needreboot09:05:232
134491460,11ptp4l0-21swapper/309:00:273
134491450,5ptp4l0-21swapper/309:45:133
134491450,4ptp4l0-21swapper/308:19:283
134491450,4ptp4l0-21swapper/212:39:542
134491450,4ptp4l0-21swapper/211:31:032
134491450,4ptp4l0-21swapper/008:57:060
134491450,3ptp4l0-21swapper/310:59:473
134491450,11ptp4l0-21swapper/111:55:291
26146994433,10cyclictest41-21ksoftirqd/310:10:003
134491440,5ptp4l0-21swapper/308:55:223
134491440,4ptp4l15661-21apt-get10:40:122
134491440,4ptp4l0-21swapper/210:38:442
134491440,3ptp4l0-21swapper/209:54:542
134491440,3ptp4l0-21swapper/108:04:131
134491430,9ptp4l0-21swapper/010:50:450
134491430,4ptp4l32166-21apt-get12:25:042
134491430,4ptp4l13620-21df09:25:140
134491430,4ptp4l0-21swapper/207:59:242
134491430,4ptp4l0-21swapper/110:47:221
134491430,3ptp4l0-21swapper/210:20:432
134491430,3ptp4l0-21swapper/209:16:052
134491430,3ptp4l0-21swapper/110:43:051
134491420,6ptp4l29284-21sh07:11:381
134491420,5ptp4l12613-21ls09:20:281
134491420,5ptp4l0-21swapper/310:45:233
134491420,5ptp4l0-21swapper/212:05:112
134491420,5ptp4l0-21swapper/012:35:110
134491420,5ptp4l0-21swapper/008:25:200
134491420,4ptp4l32462-21ntp_states07:45:231
134491420,4ptp4l27799-21iostat_ios11:05:191
134491420,4ptp4l26741-21apt-get07:35:122
134491420,4ptp4l26741-21apt-get07:35:122
134491420,4ptp4l2318-21gnome-shell11:05:580
134491420,4ptp4l13325-21df_inode08:15:142
134491420,4ptp4l0-21swapper/312:10:233
134491420,4ptp4l0-21swapper/010:15:270
134491420,3ptp4l4307-21apt-get11:25:123
134491420,3ptp4l27799-21apt-get12:15:143
134491420,2ptp4l0-21swapper/112:10:171
134491420,11ptp4l0-21swapper/209:02:592
26146994128,10cyclictest41-21ksoftirqd/307:20:013
134491410,7ptp4l33-21ksoftirqd/209:14:492
134491410,6ptp4l0-21swapper/110:10:161
134491410,5ptp4l7331-21/usr/sbin/munin10:20:211
134491410,5ptp4l32731-21irqstats10:05:181
134491410,5ptp4l0-21swapper/310:10:123
134491410,5ptp4l0-21swapper/210:55:152
134491410,5ptp4l0-21swapper/209:30:132
134491410,4ptp4l9057-21df_inode10:25:161
134491410,4ptp4l6135-21apt-get08:00:152
134491410,4ptp4l31820-21apt-get11:15:131
134491410,4ptp4l24925-21apt-get11:00:131
134491410,4ptp4l1467-21apt-get11:20:031
134491410,4ptp4l0-21swapper/309:20:293
134491410,4ptp4l0-21swapper/109:00:161
134491410,4ptp4l0-21swapper/108:46:581
134491410,4ptp4l0-21swapper/011:30:190
134491410,3ptp4l25994-21ls09:50:240
134491410,3ptp4l2323-21llvmpipe-009:03:590
134491410,3ptp4l0-21swapper/309:42:213
134491410,3ptp4l0-21swapper/207:40:252
134491410,3ptp4l0-21swapper/207:20:072
46198400,9rtkit-daemon0-21swapper/112:22:571
134491400,5ptp4l30970-21sshd07:43:271
134491400,5ptp4l26984-21wc08:45:013
134491400,5ptp4l0-21swapper/311:30:143
134491400,5ptp4l0-21swapper/311:03:593
134491400,5ptp4l0-21swapper/309:38:373
134491400,5ptp4l0-21swapper/208:30:132
134491400,5ptp4l0-21swapper/109:30:201
134491400,5ptp4l0-21swapper/107:35:461
134491400,5ptp4l0-21swapper/107:35:461
134491400,5ptp4l0-21swapper/010:30:150
134491400,4ptp4l9281-21irqstats08:05:241
134491400,4ptp4l9281-21irqstats08:05:241
134491400,4ptp4l4559-21iostat09:05:190
134491400,4ptp4l20510-21diskstats08:30:163
134491400,4ptp4l18366-21diskstats09:35:150
134491400,4ptp4l15708-21apt-get09:30:123
134491400,4ptp4l0-21swapper/312:35:163
134491400,4ptp4l0-21swapper/312:05:153
134491400,4ptp4l0-21swapper/311:15:273
134491400,4ptp4l0-21swapper/310:36:583
134491400,4ptp4l0-21swapper/310:15:163
134491400,4ptp4l0-21swapper/212:20:242
134491400,4ptp4l0-21swapper/210:50:172
134491400,4ptp4l0-21swapper/210:46:292
134491400,4ptp4l0-21swapper/210:30:372
134491400,4ptp4l0-21swapper/209:25:162
134491400,4ptp4l0-21swapper/208:55:232
134491400,4ptp4l0-21swapper/207:15:202
134491400,4ptp4l0-21swapper/111:40:151
134491400,4ptp4l0-21swapper/108:32:451
134491400,4ptp4l0-21swapper/012:25:230
134491400,4ptp4l0-21swapper/012:20:250
134491400,4ptp4l0-21swapper/011:50:180
134491400,4ptp4l0-21swapper/011:25:070
134491400,4ptp4l0-21swapper/010:57:050
134491400,4ptp4l0-21swapper/008:45:130
134491400,4ptp4l0-21swapper/007:35:170
134491400,4ptp4l0-21swapper/007:35:170
134491400,3ptp4l8898-21apt-get11:35:132
134491400,3ptp4l5090-21memory10:15:222
134491400,3ptp4l29523-21apt-get11:10:131
134491400,3ptp4l27274-21apt-get09:55:133
134491400,3ptp4l22138-21apt-get07:25:120
134491400,3ptp4l1783-21apt-get10:10:132
134491400,3ptp4l16512-21ntp_states08:20:253
134491400,3ptp4l0-21swapper/011:35:200
134491400,3ptp4l0-21swapper/009:20:230
26146993934,3cyclictest41-21ksoftirqd/312:04:593
26146993933,4cyclictest41-21ksoftirqd/311:09:483
134491390,5ptp4l5073-21ntpq09:05:233
134491390,5ptp4l16471-21netstat08:20:241
134491390,5ptp4l0-21swapper/107:25:121
134491390,5ptp4l0-21swapper/011:40:220
134491390,5ptp4l0-21swapper/010:35:140
134491390,5ptp4l0-21swapper/008:30:050
134491390,5ptp4l0-21swapper/008:20:230
134491390,4ptp4l8713-21dpkg09:15:010
134491390,4ptp4l32299-21memory07:45:210
134491390,4ptp4l26651-21users09:50:321
134491390,4ptp4l2632-21ntp_states07:50:243
134491390,4ptp4l22406-21df_abs07:25:142
134491390,4ptp4l18883-21irqrtprio09:35:181
134491390,4ptp4l10436-21vmstat10:25:302
134491390,4ptp4l0-21swapper/312:26:543
134491390,4ptp4l0-21swapper/311:55:453
134491390,4ptp4l0-21swapper/311:35:193
134491390,4ptp4l0-21swapper/311:14:073
134491390,4ptp4l0-21swapper/310:25:033
134491390,4ptp4l0-21swapper/310:24:173
134491390,4ptp4l0-21swapper/310:01:043
134491390,4ptp4l0-21swapper/309:15:133
134491390,4ptp4l0-21swapper/309:10:213
134491390,4ptp4l0-21swapper/308:49:003
134491390,4ptp4l0-21swapper/308:10:183
134491390,4ptp4l0-21swapper/307:58:323
134491390,4ptp4l0-21swapper/307:45:273
134491390,4ptp4l0-21swapper/307:40:203
134491390,4ptp4l0-21swapper/211:05:202
134491390,4ptp4l0-21swapper/209:49:092
134491390,4ptp4l0-21swapper/112:36:581
134491390,4ptp4l0-21swapper/111:51:581
134491390,4ptp4l0-21swapper/111:30:221
134491390,4ptp4l0-21swapper/110:51:011
134491390,4ptp4l0-21swapper/109:15:171
134491390,4ptp4l0-21swapper/109:06:361
134491390,4ptp4l0-21swapper/012:05:010
134491390,4ptp4l0-21swapper/010:40:090
134491390,4ptp4l0-21swapper/010:26:310
134491390,4ptp4l0-21swapper/009:40:260
134491390,4ptp4l0-21swapper/008:35:200
134491390,4ptp4l0-21swapper/008:35:200
134491390,4ptp4l0-21swapper/008:10:270
134491390,4ptp4l0-21swapper/007:50:460
134491390,4ptp4l0-21swapper/007:40:190
134491390,4ptp4l0-21swapper/007:20:220
134491390,3ptp4l3534-21memory12:30:203
134491390,3ptp4l28644-21irqstats12:15:212
134491390,3ptp4l19111-21ls08:25:281
134491390,3ptp4l16347-21meminfo08:20:222
134491390,3ptp4l0-21swapper/311:40:243
134491390,3ptp4l0-21swapper/108:50:191
134491380,5ptp4l0-21swapper/207:47:542
134491380,4ptp4l9710-21find08:05:302
134491380,4ptp4l9710-21find08:05:302
134491380,4ptp4l31397-21/usr/sbin/munin12:20:253
134491380,4ptp4l0-21swapper/311:45:123
134491380,4ptp4l0-21swapper/308:05:303
134491380,4ptp4l0-21swapper/308:05:303
134491380,4ptp4l0-21swapper/307:25:023
134491380,4ptp4l0-21swapper/211:55:212
134491380,4ptp4l0-21swapper/208:50:282
134491380,4ptp4l0-21swapper/208:49:512
134491380,4ptp4l0-21swapper/208:43:282
134491380,4ptp4l0-21swapper/208:25:052
134491380,4ptp4l0-21swapper/208:10:202
134491380,4ptp4l0-21swapper/112:30:181
134491380,4ptp4l0-21swapper/111:45:151
134491380,4ptp4l0-21swapper/110:00:141
134491380,4ptp4l0-21swapper/109:46:121
134491380,4ptp4l0-21swapper/109:40:281
134491380,4ptp4l0-21swapper/107:22:321
134491380,4ptp4l0-21swapper/107:15:221
134491380,3ptp4l20688-21apt-get12:00:132
134491380,3ptp4l0-21swapper/310:40:133
134491380,3ptp4l0-21swapper/212:10:122
134491370,4ptp4l0-21swapper/211:25:022
134491370,4ptp4l0-21swapper/109:55:331
134491370,4ptp4l0-21swapper/107:52:361
134491370,3ptp4l0-21swapper/209:22:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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