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2026-04-12 - 21:58
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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 Sun Apr 12, 2026 12:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227629399140,12cyclictest0-21swapper/307:37:433
227629399130,12cyclictest0-21swapper/311:30:093
227629399130,11cyclictest0-21swapper/311:05:093
227629399130,11cyclictest0-21swapper/307:45:123
227629399120,11cyclictest0-21swapper/312:20:123
227629399120,11cyclictest0-21swapper/312:10:113
227629399120,11cyclictest0-21swapper/312:05:123
227629399120,11cyclictest0-21swapper/307:25:113
2276293991110,0cyclictest0-21swapper/309:50:133
2276293991110,0cyclictest0-21swapper/309:40:113
227629399110,9cyclictest0-21swapper/311:10:133
227629399110,1cyclictest0-21swapper/307:50:113
227629399110,10cyclictest0-21swapper/310:35:193
227629399110,10cyclictest0-21swapper/309:00:193
227629399110,10cyclictest0-21swapper/307:55:103
227629399110,0cyclictest0-21swapper/312:00:233
227629399110,0cyclictest0-21swapper/311:50:013
227629399110,0cyclictest0-21swapper/308:20:013
227629399110,0cyclictest0-21swapper/308:10:003
2276293991010,0cyclictest0-21swapper/312:30:173
2276293991010,0cyclictest0-21swapper/311:35:153
2276293991010,0cyclictest0-21swapper/311:15:143
2276293991010,0cyclictest0-21swapper/309:10:103
227629399100,9cyclictest0-21swapper/310:05:113
227629399100,9cyclictest0-21swapper/308:35:043
227629399100,9cyclictest0-21swapper/308:25:113
227629399100,0cyclictest0-21swapper/311:55:123
227629399100,0cyclictest0-21swapper/309:55:193
227629399100,0cyclictest0-21swapper/307:35:003
22762939999,0cyclictest0-21swapper/311:24:203
22762939999,0cyclictest0-21swapper/311:00:133
22762939999,0cyclictest0-21swapper/310:30:183
22762939999,0cyclictest0-21swapper/310:20:133
22762939999,0cyclictest0-21swapper/309:25:123
22762939999,0cyclictest0-21swapper/308:50:203
22762939999,0cyclictest0-21swapper/307:40:173
22762939998,0cyclictest0-21swapper/309:35:133
22762939990,8cyclictest0-21swapper/309:05:183
22762939988,0cyclictest2367130-21turbostat10:55:013
22762939988,0cyclictest0-21swapper/312:25:163
22762939988,0cyclictest0-21swapper/310:55:183
22762939988,0cyclictest0-21swapper/310:45:113
22762939988,0cyclictest0-21swapper/309:15:193
22762939988,0cyclictest0-21swapper/308:30:133
22762939988,0cyclictest0-21swapper/307:20:133
22762939988,0cyclictest0-21swapper/307:10:003
22762939977,0cyclictest0-21swapper/311:50:143
22762939977,0cyclictest0-21swapper/309:33:293
22762939977,0cyclictest0-21swapper/308:10:123
22762939970,6cyclictest0-21swapper/312:15:133
2274578271,4sleep30-21swapper/307:05:143
22762939966,0cyclictest0-21swapper/311:26:313
22762939966,0cyclictest0-21swapper/310:15:133
22762939961,3cyclictest0-21swapper/308:15:123
22762939960,5cyclictest0-21swapper/309:45:173
22762939955,0cyclictest0-21swapper/311:40:123
22762939955,0cyclictest0-21swapper/310:25:143
22762939955,0cyclictest0-21swapper/310:14:583
22762939955,0cyclictest0-21swapper/309:20:203
22762939955,0cyclictest0-21swapper/308:45:163
22762939955,0cyclictest0-21swapper/308:40:133
22762939955,0cyclictest0-21swapper/307:15:003
14039850,3rtkit-daemon2339616-21ssh09:46:412
14039850,2rtkit-daemon2287245-21ntp_states07:35:192
14039850,2rtkit-daemon0-21swapper/207:05:062
2388771240,2sleep02388980-21ntpq11:45:160
2332153240,1sleep02332330-21cat09:30:150
22762939944,0cyclictest0-21swapper/312:35:153
22762939944,0cyclictest0-21swapper/310:02:323
22762939944,0cyclictest0-21swapper/308:55:393
22762939940,3cyclictest22968492sleep308:00:183
2275814242,1sleep10-21swapper/107:06:151
14039840,2rtkit-daemon766-21snmpd11:19:182
14039840,2rtkit-daemon766-21snmpd09:40:522
14039840,2rtkit-daemon621-21systemd-logind12:36:582
14039840,2rtkit-daemon621-21systemd-logind12:33:582
14039840,2rtkit-daemon621-21systemd-logind11:38:592
14039840,2rtkit-daemon1-21systemd12:09:162
14039840,2rtkit-daemon1-21systemd09:31:442
14039840,1rtkit-daemon1-21systemd09:21:582
2394941230,2sleep12395212-21df_inode12:00:181
2390593230,1sleep00-21swapper/011:50:130
2375776230,2sleep02375953-21ls11:15:140
2333728230,1sleep12333754-21apt-get09:35:121
22762939933,0cyclictest0-21swapper/310:40:023
2275788231,1sleep00-21swapper/007:05:540
14039830,2rtkit-daemon769-21ntpd10:10:112
14039830,2rtkit-daemon766-21snmpd07:23:152
14039830,2rtkit-daemon2278295-21munin-node11:44:572
14039830,1rtkit-daemon772-21lldpd10:41:292
14039830,1rtkit-daemon769-21ntpd10:50:552
14039830,1rtkit-daemon769-21ntpd08:45:142
14039830,1rtkit-daemon769-21ntpd08:02:132
14039830,1rtkit-daemon766-21snmpd08:19:322
14039830,1rtkit-daemon691-21gmain09:35:362
14039830,1rtkit-daemon622-21wpa_supplicant10:46:412
14039830,1rtkit-daemon606-21avahi-daemon11:26:402
14039830,1rtkit-daemon418-21systemd-journal11:20:112
14039830,1rtkit-daemon418-21systemd-journal07:40:002
14039830,1rtkit-daemon328-21plymouthd12:27:482
14039830,1rtkit-daemon328-21plymouthd11:10:312
14039830,1rtkit-daemon328-21plymouthd11:05:112
14039830,1rtkit-daemon328-21plymouthd10:20:122
14039830,1rtkit-daemon328-21plymouthd09:01:222
14039830,1rtkit-daemon328-21plymouthd08:10:122
14039830,1rtkit-daemon2388267-21awk11:45:112
14039830,1rtkit-daemon2323346-21diskmemload09:25:182
14039830,1rtkit-daemon2295064-21ntp_states07:55:152
14039830,1rtkit-daemon2278295-21munin-node10:30:472
14039830,1rtkit-daemon2278295-21munin-node10:05:102
14039830,1rtkit-daemon2278295-21munin-node08:58:242
14039830,1rtkit-daemon2117-21packagekitd09:50:162
14039830,1rtkit-daemon1410-21sendmail-mta07:32:472
14039830,1rtkit-daemon1410-21sendmail-mta07:10:262
14039830,1rtkit-daemon1322-21cron10:01:012
14039830,1rtkit-daemon1-21systemd12:20:332
14039830,1rtkit-daemon1-21systemd12:15:092
14039830,1rtkit-daemon1-21systemd12:10:422
14039830,1rtkit-daemon1-21systemd12:01:052
14039830,1rtkit-daemon1-21systemd11:31:392
14039830,1rtkit-daemon1-21systemd10:37:062
14039830,1rtkit-daemon1-21systemd10:26:032
14039830,1rtkit-daemon1-21systemd10:18:292
14039830,1rtkit-daemon1-21systemd09:58:152
14039830,1rtkit-daemon1-21systemd09:15:072
14039830,1rtkit-daemon1-21systemd09:11:432
14039830,1rtkit-daemon1-21systemd08:30:172
2397657220,1sleep12397833-21python312:05:181
2382042220,1sleep02382168-21cpu11:30:110
2374255220,1sleep02374409-21ntp_states11:10:180
2368762220,1sleep00-21swapper/010:56:090
2362943220,0sleep10-21swapper/110:44:571
2356939220,1sleep10-21swapper/110:30:131
2339823220,0sleep10-21swapper/109:48:331
2337197220,0sleep10-21swapper/109:41:011
2331102220,0sleep00-21swapper/009:26:480
2328120220,1sleep12328288-21sed09:20:151
2310402220,1sleep00-21swapper/008:35:160
2307739220,1sleep10-21swapper/108:30:001
2306197220,1sleep22306492-21df08:25:132
2302428220,1sleep02302580-21memory08:15:140
2286223220,1sleep02286344-21grep07:35:000
2282646220,0sleep00-21swapper/007:25:110
2276425220,1sleep12276451-21apt-get07:10:121
14039820,1rtkit-daemon766-21snmpd08:50:052
14039820,1rtkit-daemon691-21gmain11:50:152
14039820,1rtkit-daemon691-21gmain11:00:032
14039820,1rtkit-daemon2278295-21munin-node07:25:012
14039820,1rtkit-daemon1410-21sendmail-mta11:55:022
14039820,1rtkit-daemon1410-21sendmail-mta08:05:172
14039820,1rtkit-daemon1-21systemd09:05:102
14039820,1rtkit-daemon1-21systemd08:40:402
14039820,0rtkit-daemon328-21plymouthd10:55:042
14039820,0rtkit-daemon328-21plymouthd07:50:282
14039820,0rtkit-daemon0-21swapper/208:35:092
14039820,0rtkit-daemon0-21swapper/208:20:042
14039820,0rtkit-daemon0-21swapper/207:45:022
14039820,0rtkit-daemon0-21swapper/207:15:122
2409365210,0sleep10-21swapper/112:35:081
2407911210,0sleep10-21swapper/112:30:161
2407774210,0sleep00-21swapper/012:30:150
2405208210,0sleep10-21swapper/112:25:111
2405189210,0sleep00-21swapper/012:25:020
2404652210,0sleep10-21swapper/112:22:191
2403296210,0sleep00-21swapper/012:20:140
2402660210,0sleep10-21swapper/112:18:201
2402331210,1sleep00-21swapper/012:15:220
2399902210,0sleep10-21swapper/112:10:181
2398926210,0sleep00-21swapper/012:10:050
2394817210,0sleep00-21swapper/012:00:170
2392676210,0sleep00-21swapper/011:55:120
2390077210,0sleep10-21swapper/111:50:021
2388293210,0sleep10-21swapper/111:45:131
2387570210,0sleep10-21swapper/111:41:121
2386610210,0sleep00-21swapper/011:40:150
2385616210,0sleep10-21swapper/111:37:331
2385511210,1sleep00-21swapper/011:36:350
2382825210,0sleep10-21swapper/111:30:161
2381140210,0sleep00-21swapper/011:25:190
2380647210,0sleep10-21swapper/111:25:151
2379150210,0sleep00-21swapper/011:20:340
2378264210,0sleep10-21swapper/111:20:151
2376515210,0sleep10-21swapper/111:15:191
2374410210,0sleep10-21swapper/111:10:191
2372165210,0sleep10-21swapper/111:05:141
2371299210,0sleep00-21swapper/011:05:010
2369983210,0sleep00-21swapper/011:00:170
2369200210,0sleep10-21swapper/111:00:021
2366729210,0sleep10-21swapper/110:51:331
2365287210,0sleep00-21swapper/010:50:120
2364002210,0sleep10-21swapper/110:45:171
2363923210,0sleep00-21swapper/010:45:170
2361124210,0sleep00-21swapper/010:40:110
2360054210,0sleep10-21swapper/110:35:201
2359010210,0sleep00-21swapper/010:35:070
2357876210,0sleep00-21swapper/010:30:200
2356377210,0sleep00-21swapper/010:27:190
2354914210,0sleep10-21swapper/110:25:121
2352942210,0sleep00-21swapper/010:20:140
2352766210,0sleep10-21swapper/110:20:071
2352195210,0sleep10-21swapper/110:17:201
2350392210,0sleep00-21swapper/010:14:500
2349068210,0sleep10-21swapper/110:10:151
2347851210,0sleep10-21swapper/110:05:421
2346257210,0sleep00-21swapper/010:05:020
2345397210,0sleep10-21swapper/110:00:181
2344152210,0sleep00-21swapper/010:00:010
2343628210,0sleep00-21swapper/009:55:210
2343144210,0sleep10-21swapper/109:55:181
2340427210,0sleep10-21swapper/109:50:141
2340281210,0sleep00-21swapper/009:50:130
2338779210,0sleep00-21swapper/009:45:160
2336431210,0sleep00-21swapper/009:40:160
2334697210,0sleep00-21swapper/009:35:190
2332331210,0sleep10-21swapper/109:30:161
2329671210,0sleep10-21swapper/109:25:131
2328046210,0sleep00-21swapper/009:20:140
2325741210,0sleep00-21swapper/009:15:140
2325573210,0sleep10-21swapper/109:15:071
2323076210,1sleep00-21swapper/009:06:420
2321734210,0sleep10-21swapper/109:05:151
2320282210,0sleep00-21swapper/009:00:170
2319822210,0sleep10-21swapper/109:00:141
2319199210,1sleep00-21swapper/008:56:170
2317981210,0sleep10-21swapper/108:55:151
2316634210,0sleep00-21swapper/008:50:170
2316101210,0sleep10-21swapper/108:50:141
2312096210,0sleep00-21swapper/008:40:120
2310579210,0sleep10-21swapper/108:35:171
2308785210,0sleep00-21swapper/008:30:200
2306555210,0sleep00-21swapper/008:25:150
2305820210,0sleep10-21swapper/108:24:561
2302581210,0sleep12302735-21ntpq08:15:171
2301062210,0sleep10-21swapper/108:10:191
2300296210,0sleep00-21swapper/008:10:140
2299762210,0sleep10-21swapper/108:09:271
2298310210,0sleep02298575-21diskstats08:05:150
2297546210,1sleep00-21swapper/008:00:300
2295231210,0sleep00-21swapper/007:55:170
2294298210,0sleep10-21swapper/107:55:101
2292484210,0sleep00-21swapper/007:50:140
2290521210,0sleep10-21swapper/107:45:141
2290481210,0sleep00-21swapper/007:45:130
2289365210,0sleep10-21swapper/107:40:171
2289310210,0sleep02289364-21sshd07:40:160
2286904210,0sleep00-21swapper/007:35:160
2286471210,0sleep10-21swapper/107:35:141
2286007210,0sleep10-21swapper/107:32:171
2281228210,0sleep00-21swapper/007:20:150
2280758210,0sleep10-21swapper/107:20:121
2279411210,0sleep00-21swapper/007:15:150
2409359200,0sleep00-21swapper/012:35:030
2396606200,0sleep00-21swapper/012:05:020
2392422200,0sleep10-21swapper/111:55:011
2367116200,0sleep10-21swapper/110:55:021
2350453200,0sleep00-21swapper/010:15:020
2323574200,0sleep10-21swapper/109:10:041
2323573200,0sleep00-21swapper/009:10:030
2313996200,0sleep00-21swapper/008:45:050
2313761200,0sleep10-21swapper/108:45:011
2311565200,0sleep10-21swapper/108:40:011
2307977200,0sleep10-21swapper/108:30:051
2304152200,0sleep00-21swapper/008:20:030
2296221200,0sleep10-21swapper/108:00:031
2292377200,0sleep10-21swapper/107:50:031
2282399200,0sleep10-21swapper/107:25:001
2278789200,0sleep10-21swapper/107:15:041
2276414200,0sleep00-21swapper/007:10:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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