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2026-04-10 - 22:44
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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 792 highest latencies:
System rack1slot3.osadl.org (updated Fri Apr 10, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
233704199136,5cyclictest0-21swapper/308:15:133
2337041991311,1cyclictest0-21swapper/312:05:103
233704199130,1cyclictest0-21swapper/309:40:113
233704199130,11cyclictest0-21swapper/310:30:103
233704199130,11cyclictest0-21swapper/309:50:113
2337041991210,1cyclictest0-21swapper/309:30:123
233704199120,1cyclictest0-21swapper/309:35:123
233704199120,11cyclictest0-21swapper/310:25:173
233704199120,11cyclictest0-21swapper/308:50:153
233704199120,11cyclictest0-21swapper/308:25:183
233704199120,11cyclictest0-21swapper/307:20:123
233704199120,0cyclictest0-21swapper/311:10:113
2337041991110,0cyclictest0-21swapper/312:35:123
2337041991110,0cyclictest0-21swapper/310:00:123
233704199110,10cyclictest0-21swapper/308:05:163
233704199110,10cyclictest0-21swapper/307:15:003
233704199110,0cyclictest0-21swapper/311:40:103
233704199110,0cyclictest0-21swapper/311:10:023
233704199110,0cyclictest0-21swapper/311:00:023
233704199110,0cyclictest0-21swapper/308:45:163
233704199110,0cyclictest0-21swapper/308:40:173
233704199110,0cyclictest0-21swapper/307:39:463
233704199109,1cyclictest0-21swapper/311:30:123
233704199109,0cyclictest0-21swapper/307:10:113
2337041991010,0cyclictest0-21swapper/311:30:013
2337041991010,0cyclictest0-21swapper/310:10:173
2337041991010,0cyclictest0-21swapper/308:55:123
233704199100,9cyclictest0-21swapper/312:20:163
233704199100,9cyclictest0-21swapper/309:05:113
233704199100,1cyclictest0-21swapper/311:55:103
233704199100,0cyclictest0-21swapper/312:30:153
233704199100,0cyclictest0-21swapper/308:15:003
233704199100,0cyclictest0-21swapper/308:00:193
23370419999,0cyclictest0-21swapper/312:10:163
23370419999,0cyclictest0-21swapper/311:40:013
23370419999,0cyclictest0-21swapper/311:20:163
23370419999,0cyclictest0-21swapper/310:45:153
23370419999,0cyclictest0-21swapper/309:45:153
23370419999,0cyclictest0-21swapper/307:55:143
23370419999,0cyclictest0-21swapper/307:45:163
23370419990,8cyclictest0-21swapper/311:50:173
23370419990,8cyclictest0-21swapper/309:15:173
23370419990,8cyclictest0-21swapper/309:10:173
23370419990,8cyclictest0-21swapper/307:45:003
23370419988,0cyclictest0-21swapper/312:26:173
23370419988,0cyclictest0-21swapper/311:00:113
23370419988,0cyclictest0-21swapper/310:50:183
23370419988,0cyclictest0-21swapper/308:20:193
23370419988,0cyclictest0-21swapper/307:29:143
23370419987,0cyclictest0-21swapper/311:15:203
23370419987,0cyclictest0-21swapper/310:35:173
2335398281,5sleep30-21swapper/307:05:133
23370419977,0cyclictest0-21swapper/310:15:193
23370419977,0cyclictest0-21swapper/309:00:143
23370419977,0cyclictest0-21swapper/307:30:093
23370419976,0cyclictest0-21swapper/312:00:143
23370419966,0cyclictest0-21swapper/311:45:133
23370419966,0cyclictest0-21swapper/310:42:493
23370419966,0cyclictest0-21swapper/310:42:493
23370419966,0cyclictest0-21swapper/309:25:123
23370419966,0cyclictest0-21swapper/309:20:183
23370419965,0cyclictest0-21swapper/309:59:033
23370419960,0cyclictest0-21swapper/312:15:173
2399513252,2sleep22399668-21grep09:45:142
23370419955,0cyclictest0-21swapper/310:07:313
14039850,2rtkit-daemon2428516-21apt-get10:55:142
14039850,2rtkit-daemon0-21swapper/107:05:221
2418055241,1sleep22418081-21apt-get10:30:102
23370419944,0cyclictest0-21swapper/310:20:033
23370419944,0cyclictest0-21swapper/307:50:163
23370419940,3cyclictest2371918-21chrt08:35:223
23370419940,3cyclictest2370037-21chrt08:30:463
2336635241,0sleep00-21swapper/007:06:540
2335894241,1sleep20-21swapper/207:05:162
14039840,2rtkit-daemon766-21snmpd11:53:192
14039840,2rtkit-daemon766-21snmpd11:37:192
14039840,2rtkit-daemon766-21snmpd09:21:422
14039840,2rtkit-daemon766-21snmpd07:45:051
14039840,2rtkit-daemon622-21wpa_supplicant10:01:042
14039840,2rtkit-daemon2384063-21diskmemload12:11:022
14039840,2rtkit-daemon2384063-21diskmemload09:30:112
14039840,2rtkit-daemon2370641-21apt-get08:35:112
14039840,2rtkit-daemon2339045-21munin-node09:35:142
14039840,2rtkit-daemon1-21systemd12:38:322
14039840,2rtkit-daemon1-21systemd12:20:482
14039840,1rtkit-daemon766-21snmpd10:21:372
14039840,1rtkit-daemon606-21avahi-daemon08:58:142
2443885230,0sleep02444077-21strings11:30:140
2395350230,2sleep02395540-21needreboot09:35:150
2374212230,1sleep02374224-21apt-get08:45:010
2366791230,1sleep12366817-21apt-get08:25:121
14039830,2rtkit-daemon691-21gmain10:45:122
14039830,2rtkit-daemon418-21systemd-journal07:55:151
14039830,2rtkit-daemon1410-21sendmail-mta08:01:061
14039830,1rtkit-daemon769-21ntpd11:34:072
14039830,1rtkit-daemon769-21ntpd09:06:042
14039830,1rtkit-daemon769-21ntpd09:04:182
14039830,1rtkit-daemon766-21snmpd11:40:572
14039830,1rtkit-daemon766-21snmpd10:12:172
14039830,1rtkit-daemon622-21wpa_supplicant11:45:302
14039830,1rtkit-daemon606-21avahi-daemon11:56:472
14039830,1rtkit-daemon418-21systemd-journal07:54:411
14039830,1rtkit-daemon418-21systemd-journal07:24:551
14039830,1rtkit-daemon328-21plymouthd12:00:122
14039830,1rtkit-daemon328-21plymouthd10:40:022
14039830,1rtkit-daemon328-21plymouthd10:40:012
14039830,1rtkit-daemon328-21plymouthd10:35:192
14039830,1rtkit-daemon328-21plymouthd08:25:172
14039830,1rtkit-daemon328-21plymouthd07:35:161
14039830,1rtkit-daemon2435480-21idleruntime11:10:152
14039830,1rtkit-daemon2339916-21grep07:15:131
14039830,1rtkit-daemon2339045-21munin-node11:05:242
14039830,1rtkit-daemon2339045-21munin-node09:51:542
14039830,1rtkit-daemon2339045-21munin-node08:45:082
14039830,1rtkit-daemon2339045-21munin-node08:20:102
14039830,1rtkit-daemon2117-21packagekitd11:25:032
14039830,1rtkit-daemon1-21systemd12:34:442
14039830,1rtkit-daemon1-21systemd12:25:452
14039830,1rtkit-daemon1-21systemd12:15:282
14039830,1rtkit-daemon1-21systemd12:06:312
14039830,1rtkit-daemon1-21systemd11:20:092
14039830,1rtkit-daemon1-21systemd11:15:402
14039830,1rtkit-daemon1-21systemd11:01:322
14039830,1rtkit-daemon1-21systemd10:52:452
14039830,1rtkit-daemon1-21systemd10:17:002
14039830,1rtkit-daemon1-21systemd10:05:212
14039830,1rtkit-daemon1-21systemd09:56:412
14039830,1rtkit-daemon1-21systemd09:40:032
14039830,1rtkit-daemon1-21systemd09:26:012
14039830,1rtkit-daemon1-21systemd09:13:052
14039830,1rtkit-daemon1-21systemd07:34:171
2464689220,1sleep02464765-21irqstats12:20:140
2460216220,0sleep00-21swapper/012:10:130
2450832220,0sleep00-21swapper/011:45:200
2446944220,0sleep10-21swapper/111:37:051
2432544220,1sleep00-21swapper/011:03:490
2407359220,1sleep12407389-21apt-get10:05:111
2405633220,1sleep10-21swapper/110:00:141
2390874220,1sleep02390981-21latency09:25:160
2390050220,2sleep02390052-21ssh09:23:510
2386777220,1sleep00-21swapper/009:15:150
2386330220,0sleep10-21swapper/109:15:121
2382385220,0sleep12382411-21apt-get09:05:101
2376629220,1sleep22376647-21awk08:50:102
2364879220,0sleep12364905-21apt-get08:20:131
2358612220,1sleep22358667-21dpkg08:05:002
2353147220,1sleep02353291-21cpu07:50:140
2349895220,1sleep02350045-21ntp_states07:40:170
2349275220,1sleep22349301-21apt-get07:40:112
2344947220,0sleep00-21swapper/007:28:160
2343109220,1sleep22343110-21sshd07:24:132
14039820,1rtkit-daemon691-21gmain08:10:031
14039820,1rtkit-daemon606-21avahi-daemon08:05:481
14039820,1rtkit-daemon2373851-21pool-udisksd08:40:372
14039820,1rtkit-daemon2349688-21cstates07:40:131
14039820,1rtkit-daemon2338492-21vmstat07:10:201
14039820,1rtkit-daemon1-21systemd08:19:452
14039820,1rtkit-daemon0-21swapper/209:15:092
14039820,0rtkit-daemon0-21swapper/210:25:402
14039820,0rtkit-daemon0-21swapper/208:30:092
14039820,0rtkit-daemon0-21swapper/108:15:031
14039820,0rtkit-daemon0-21swapper/107:25:211
2471147210,0sleep10-21swapper/112:35:161
2470497210,0sleep00-21swapper/012:35:110
2469979210,0sleep00-21swapper/012:32:390
2469032210,0sleep10-21swapper/112:30:161
2467985210,0sleep10-21swapper/112:28:281
2467630210,0sleep00-21swapper/012:25:220
2464248210,0sleep10-21swapper/112:20:111
2463186210,0sleep10-21swapper/112:15:191
2462409210,0sleep00-21swapper/012:15:140
2458471210,0sleep10-21swapper/112:05:151
2458399210,0sleep00-21swapper/012:05:140
2457333210,0sleep12457337-21ssh12:01:301
2455624210,0sleep00-21swapper/012:00:010
2455328210,1sleep00-21swapper/011:57:240
2453783210,0sleep10-21swapper/111:55:091
2451736210,0sleep00-21swapper/011:50:130
2451457210,0sleep10-21swapper/111:50:021
2449687210,0sleep10-21swapper/111:45:131
2448330210,0sleep10-21swapper/111:40:161
2447574210,0sleep00-21swapper/011:40:110
2445445210,0sleep00-21swapper/011:35:120
2442604210,0sleep10-21swapper/111:25:271
2441379210,0sleep00-21swapper/011:25:150
2440771210,0sleep10-21swapper/111:22:441
2440251210,0sleep00-21swapper/011:20:190
2438737210,0sleep10-21swapper/111:18:191
2437357210,0sleep00-21swapper/011:15:140
2435153210,0sleep00-21swapper/011:10:140
2433802210,0sleep10-21swapper/111:05:191
2432683210,0sleep00-21swapper/011:05:010
2429022210,0sleep10-21swapper/110:55:181
2428482210,0sleep00-21swapper/010:55:090
2427927210,0sleep00-21swapper/010:52:160
2426153210,0sleep10-21swapper/110:50:011
2424328210,0sleep00-21swapper/010:45:130
2423943210,0sleep10-21swapper/110:43:541
2423943210,0sleep10-21swapper/110:43:531
2422245210,0sleep00-21swapper/010:40:120
2422245210,0sleep00-21swapper/010:40:110
2420588210,0sleep00-21swapper/010:35:160
2420125210,0sleep10-21swapper/110:35:051
2419561210,0sleep10-21swapper/110:32:091
2418221210,0sleep00-21swapper/010:30:120
2417315210,0sleep10-21swapper/110:25:391
2416347210,0sleep00-21swapper/010:25:140
2415202210,0sleep00-21swapper/010:20:230
2413894210,0sleep10-21swapper/110:20:121
2412983210,0sleep10-21swapper/110:16:431
2411523210,0sleep00-21swapper/010:15:100
2410858210,0sleep10-21swapper/110:11:191
2409227210,0sleep00-21swapper/010:10:020
2408329210,0sleep00-21swapper/010:05:180
2405008210,0sleep00-21swapper/010:00:010
2403438210,0sleep10-21swapper/109:55:141
2402927210,0sleep00-21swapper/009:55:010
2401516210,0sleep10-21swapper/109:50:141
2401219210,0sleep00-21swapper/009:50:120
2399981210,0sleep10-21swapper/109:45:171
2399802210,0sleep00-21swapper/009:45:160
2398634210,1sleep00-21swapper/009:43:530
2397215210,0sleep10-21swapper/109:40:141
2394815210,0sleep10-21swapper/109:35:041
2393779210,0sleep10-21swapper/109:30:201
2392936210,0sleep00-21swapper/009:30:160
2390429210,0sleep1341rcuc/109:25:131
2389753210,0sleep10-21swapper/109:20:431
2382374210,0sleep00-21swapper/009:05:010
2380910210,0sleep10-21swapper/109:00:151
2380662210,0sleep00-21swapper/009:00:140
2378799210,0sleep10-21swapper/108:55:151
2378635210,0sleep00-21swapper/008:55:130
2377405210,0sleep00-21swapper/008:50:170
2377050210,0sleep10-21swapper/108:50:131
2374706210,0sleep10-21swapper/108:45:021
2372935210,0sleep10-21swapper/108:40:131
2372668210,0sleep00-21swapper/008:40:120
2371233210,0sleep00-21swapper/008:35:170
2370370210,0sleep10-21swapper/108:35:021
2370070210,0sleep10-21swapper/108:31:131
2368731210,0sleep00-21swapper/008:30:120
2367758210,0sleep00-21swapper/008:25:190
2365307210,0sleep00-21swapper/008:20:160
2363203210,0sleep00-21swapper/008:15:140
2362367210,1sleep00-21swapper/008:10:470
2361651210,0sleep20-21swapper/208:10:162
2359852210,0sleep20-21swapper/208:05:172
2359566210,0sleep00-21swapper/008:05:150
2357083210,0sleep00-21swapper/008:00:130
2355139210,0sleep00-21swapper/007:55:140
2352477210,0sleep20-21swapper/207:45:192
2351478210,0sleep00-21swapper/007:45:130
2348212210,0sleep20-21swapper/207:35:192
2346998210,0sleep00-21swapper/007:35:000
2346614210,0sleep20-21swapper/207:30:182
2346194210,0sleep00-21swapper/007:30:170
2342027210,0sleep00-21swapper/007:20:150
2337723210,0sleep00-21swapper/007:10:150
2460042200,0sleep10-21swapper/112:10:021
2443351200,0sleep10-21swapper/111:30:031
2434995200,0sleep10-21swapper/111:10:031
2430315200,0sleep10-21swapper/111:00:021
2424313200,0sleep10-21swapper/110:45:051
2384289200,0sleep10-21swapper/109:10:041
2384288200,0sleep00-21swapper/009:10:020
2355005200,0sleep20-21swapper/207:55:032
2353094200,0sleep20-21swapper/207:50:042
2343407200,0sleep20-21swapper/207:25:022
2339563200,0sleep00-21swapper/007:15:040
2339288200,0sleep20-21swapper/207:15:012
2336911200,0sleep20-21swapper/207:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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