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2026-06-16 - 07:10
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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 rackeslot2.osadl.org (updated Tue Jun 16, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10340382690,1sleep01034036-21ssh22:33:300
11377222300,2sleep11137723-21cron23:45:011
760346992823,1cyclictest8908031systemd-run20:55:020
760347992715,2cyclictest67250irq/126-eno100:00:011
760347992414,2cyclictest67250irq/126-eno122:50:221
760347992414,2cyclictest67250irq/126-eno121:35:021
760346992313,4cyclictest1043480-21irqrtprio22:40:210
760346992219,2cyclictest865918-21apt-key20:35:010
31537912214,3phc2sys0-21swapper/319:10:023
760348992119,1cyclictest0-21swapper/222:05:022
760348992118,1cyclictest0-21swapper/223:45:012
760348992118,1cyclictest0-21swapper/222:25:222
760348992118,1cyclictest0-21swapper/220:30:012
760347992118,2cyclictest1167209-21systemd00:05:011
760347992112,1cyclictest67250irq/126-eno122:49:361
760347992112,1cyclictest67250irq/126-eno122:49:361
76034799210,3cyclictest890336-21apt-get20:55:021
760346992118,2cyclictest0-21swapper/021:10:010
760346992110,6cyclictest1086930-21cpuspeed_turbos23:10:160
760346992110,4cyclictest1128886-21sshd23:35:360
760347992017,2cyclictest660-21dbus-daemon22:20:021
760347992017,2cyclictest1181842-21idleruntime-cro00:15:011
760347992014,2cyclictest492398rtkit-daemon22:33:261
760346992013,6cyclictest1247-21mta-sts-daemon00:19:270
760346992012,7cyclictest0-21swapper/022:05:020
760347991916,2cyclictest660-21dbus-daemon19:15:021
760347991915,3cyclictest1040038-21mailstats22:35:271
76034699197,7cyclictest1209253-21rt-features00:30:240
76034699197,4cyclictest1162125-21cut00:00:220
76034699194,9cyclictest817598-21aten2.4-expect19:55:150
76034699194,9cyclictest1145460-21aten2.4-expect23:50:130
76034699193,3cyclictest844359-21kthreadcore20:15:210
760346991916,2cyclictest0-21swapper/022:20:010
760346991916,2cyclictest0-21swapper/000:10:020
760346991911,7cyclictest926375-21kthreadcore21:20:200
760346991911,7cyclictest693-21systemd-logind21:15:080
760346991910,1cyclictest944688-21ssh21:31:200
760348991816,1cyclictest0-21swapper/221:55:012
760348991816,1cyclictest0-21swapper/200:10:022
760348991815,1cyclictest0-21swapper/223:40:012
760348991815,1cyclictest0-21swapper/221:10:032
760348991811,5cyclictest1160645-21taskset00:00:172
760347991815,2cyclictest1020-21runrttasks23:25:191
760347991815,2cyclictest0-21swapper/121:50:021
76034699187,7cyclictest1200110-21cut00:25:200
76034699186,2cyclictest914269-21latency21:10:230
76034699185,8cyclictest171ktimers/022:39:120
760346991815,2cyclictest804371-21mailstats19:40:230
760346991815,2cyclictest782462-21kthreadcore19:25:210
760346991815,2cyclictest1005091-21sh22:15:020
760346991815,2cyclictest0-21swapper/000:10:260
760346991814,3cyclictest931838-21cpuspeed_turbos21:25:160
760346991814,3cyclictest849192-21kthreadcore20:20:210
760346991812,5cyclictest774716-21cron19:20:010
760346991810,4cyclictest0-21swapper/023:55:180
76034699180,2cyclictest1070629-21ssh22:57:410
760348991715,1cyclictest0-21swapper/223:25:162
760348991715,1cyclictest0-21swapper/221:20:012
760348991714,1cyclictest0-21swapper/222:45:592
760348991714,1cyclictest0-21swapper/222:45:592
760348991714,1cyclictest0-21swapper/222:20:012
760348991713,2cyclictest0-21swapper/221:30:192
760348991713,2cyclictest0-21swapper/200:30:362
76034799178,2cyclictest67250irq/126-eno123:35:361
76034799177,2cyclictest0-21swapper/121:50:161
760347991714,2cyclictest991547-21cut22:05:201
760347991714,2cyclictest982976-21systemd-run22:00:021
760347991714,2cyclictest1152420-21true23:55:011
760347991714,2cyclictest1093728-21systemd23:15:011
760347991714,2cyclictest1072469-21fschecks_time23:00:191
760347991713,3cyclictest1103602-21kthreadcore23:20:201
760347991712,3cyclictest1065080-21fschecks_time22:55:181
760347991712,3cyclictest1013697-21/usr/sbin/munin22:20:191
76034799171,15cyclictest1174465-21awk00:10:011
760347991711,3cyclictest0-21swapper/121:10:141
76034699176,6cyclictest0-21swapper/000:35:210
76034699175,8cyclictest994957-21kthreadcore22:05:230
76034699171,4cyclictest1107658-21ssh23:22:470
760346991714,2cyclictest903006-21latency_hist21:05:020
760346991714,2cyclictest693-21systemd-logind23:20:010
760346991714,2cyclictest1121108-21sendmail_mailqu23:30:280
760346991714,2cyclictest1072089-21tr23:00:160
760346991714,2cyclictest1020514-21tr22:25:160
760346991713,3cyclictest867682-21kthreadcore20:35:230
760346991713,3cyclictest0-21swapper/019:55:010
760346991712,1cyclictest492398rtkit-daemon23:40:490
760346991711,2cyclictest67250irq/126-eno121:55:170
3153791170,2phc2sys0-21swapper/322:57:543
3153791170,2phc2sys0-21swapper/321:34:423
3153791170,2phc2sys0-21swapper/321:17:153
760348991614,1cyclictest0-21swapper/223:50:192
760348991614,1cyclictest0-21swapper/222:40:172
760348991614,1cyclictest0-21swapper/220:55:022
760348991613,1cyclictest0-21swapper/223:59:312
760348991613,1cyclictest0-21swapper/223:15:212
760348991613,1cyclictest0-21swapper/222:50:202
760348991613,1cyclictest0-21swapper/222:35:132
760348991613,1cyclictest0-21swapper/222:15:012
760348991613,1cyclictest0-21swapper/221:45:152
760348991613,1cyclictest0-21swapper/221:25:002
760348991613,1cyclictest0-21swapper/221:05:012
760348991613,1cyclictest0-21swapper/220:40:012
760348991613,1cyclictest0-21swapper/220:35:012
760348991613,1cyclictest0-21swapper/219:35:242
760348991613,1cyclictest0-21swapper/219:35:242
760348991611,3cyclictest0-21swapper/220:15:582
76034899161,12cyclictest0-21swapper/220:10:152
760347991613,2cyclictest990277-21systemd22:05:021
760347991613,2cyclictest902918-21latency_hist21:05:021
760347991613,2cyclictest812436-21irqcore19:50:191
760347991613,2cyclictest774726-21sh19:20:011
760347991613,2cyclictest1247-21mta-sts-daemon23:46:021
760347991613,2cyclictest1218738-21cut00:40:021
760347991613,2cyclictest1203882-21sh00:30:021
760347991613,2cyclictest1194384-21needreboot00:20:231
760347991613,2cyclictest1024714-21kthreadcore22:25:231
760347991612,3cyclictest821845-21kthreadcore19:55:231
760347991612,2cyclictest67250irq/126-eno121:35:211
76034699169,2cyclictest876110-21grep20:40:220
76034699168,7cyclictest0-21swapper/023:25:220
76034699163,6cyclictest67250irq/126-eno122:50:180
760346991614,1cyclictest1056699-21idleruntime-cro22:50:010
760346991614,1cyclictest1056699-21idleruntime-cro22:50:010
760346991614,1cyclictest0-21swapper/000:25:010
760346991613,2cyclictest958662-21pmu-power21:40:250
760346991613,2cyclictest948549-21kthreadcore21:35:220
760346991613,2cyclictest855266-21kthreadcore20:25:210
760346991613,2cyclictest840514-21head20:10:250
760346991613,2cyclictest824962-21kthreadcore20:00:210
760346991613,2cyclictest810147-21needreboot19:45:230
760346991613,2cyclictest793369-21aten_repower_cu19:35:140
760346991613,2cyclictest793369-21aten_repower_cu19:35:140
760346991613,2cyclictest787544-21cpuspeed_turbos19:30:150
760346991613,2cyclictest1246-21mta-sts-daemon20:55:140
760346991612,3cyclictest963893-21kthreadcore21:45:220
760346991612,3cyclictest879818-21kthreadcore20:45:200
760346991611,4cyclictest778631-21kthreadcore19:20:220
760346991611,1cyclictest67250irq/126-eno123:46:370
760346991610,5cyclictest908923-21diskmemload23:08:530
760346991610,2cyclictest908923-21diskmemload21:51:050
3153791161,3phc2sys0-21swapper/319:25:153
3153791160,2phc2sys0-21swapper/322:44:393
3153791160,2phc2sys0-21swapper/300:34:103
3153791160,1phc2sys0-21swapper/323:21:153
760348991513,1cyclictest0-21swapper/223:05:022
760348991513,1cyclictest0-21swapper/222:25:022
760348991513,1cyclictest0-21swapper/220:50:022
760348991513,1cyclictest0-21swapper/219:30:012
760348991512,1cyclictest0-21swapper/221:30:002
760348991512,1cyclictest0-21swapper/219:45:002
760348991512,1cyclictest0-21swapper/219:16:212
760348991512,1cyclictest0-21swapper/219:10:012
760348991512,1cyclictest0-21swapper/200:38:552
760348991511,2cyclictest0-21swapper/223:45:252
760348991511,2cyclictest0-21swapper/223:10:182
760348991511,2cyclictest0-21swapper/222:30:162
760348991511,2cyclictest0-21swapper/221:43:522
760347991513,1cyclictest1242-21mta-sts-daemon19:30:141
760347991512,2cyclictest997912-21aten2.4-expect22:10:151
760347991512,2cyclictest936459-21phc2sys21:25:251
760347991512,2cyclictest924867-21fschecks_time21:20:171
760347991512,2cyclictest917142-21cpuspeed21:15:161
760347991512,2cyclictest848597-21gltestperf20:20:181
760347991512,2cyclictest831827-21kthreadcore20:05:231
760347991512,2cyclictest765-1atopacctd20:01:321
760347991512,2cyclictest1247-21mta-sts-daemon23:09:371
760347991512,2cyclictest1237-21mta-sts-daemon20:10:201
760347991512,2cyclictest1201712-21needreboot00:25:221
760347991512,2cyclictest1116217-21aten2.4-expect23:30:171
760347991511,3cyclictest905302-21kthreadcore21:05:211
760347991511,3cyclictest873639-21irqrtprio20:40:201
760347991511,3cyclictest864012-21kthreadcore20:30:211
760347991511,3cyclictest779368-21kthreadcore19:20:221
760347991511,3cyclictest1187275-21mailstats00:15:251
760347991510,3cyclictest805559-21tail19:45:141
760346991512,2cyclictest761895-21kthreadcore19:10:200
760346991512,2cyclictest1014158-21kthreadcore22:20:210
760346991510,1cyclictest492398rtkit-daemon20:05:260
3153791154,2phc2sys0-21swapper/322:21:483
3153791151,5phc2sys0-21swapper/320:55:143
3153791151,3phc2sys0-21swapper/323:43:483
3153791151,3phc2sys0-21swapper/322:30:143
3153791150,6phc2sys0-21swapper/319:40:193
3153791150,5phc2sys0-21swapper/319:55:193
3153791150,3phc2sys0-21swapper/321:51:093
3153791150,2phc2sys0-21swapper/323:34:293
76034899141,7cyclictest0-21swapper/222:10:012
760348991412,1cyclictest0-21swapper/223:10:012
760348991412,1cyclictest0-21swapper/223:00:002
760348991412,1cyclictest0-21swapper/221:15:032
760348991412,1cyclictest0-21swapper/220:00:012
760348991412,1cyclictest0-21swapper/219:25:012
760348991411,1cyclictest0-21swapper/221:55:212
760348991411,1cyclictest0-21swapper/219:15:022
760348991411,1cyclictest0-21swapper/200:25:192
760348991411,1cyclictest0-21swapper/200:15:222
760348991410,2cyclictest0-21swapper/219:35:032
760348991410,2cyclictest0-21swapper/200:20:272
760347991411,2cyclictest953940-21cpuspeed21:40:161
760347991411,2cyclictest895884-21ptp4l20:55:251
760347991411,2cyclictest841911-21aten_repower_fr20:15:151
760347991411,2cyclictest781841-21grep19:25:181
760347991411,2cyclictest1095001-21tr23:15:191
760347991410,3cyclictest803181-21kthreadcore19:40:201
760347991410,3cyclictest760344-21cyclictest20:45:261
76034699148,2cyclictest17750irq/132-ahci[0000:00:17.0]19:10:020
3153791140,3phc2sys0-21swapper/322:19:443
3153791140,2phc2sys0-21swapper/323:45:203
3153791140,2phc2sys0-21swapper/323:38:393
3153791140,2phc2sys0-21swapper/321:28:453
3153791140,2phc2sys0-21swapper/321:22:313
10556002140,2sleep30-21swapper/322:46:443
10556002140,2sleep30-21swapper/322:46:443
76034899139,2cyclictest0-21swapper/220:59:002
76034899139,2cyclictest0-21swapper/220:01:422
760348991311,1cyclictest0-21swapper/200:15:022
760348991310,2cyclictest0-21swapper/221:35:032
760348991310,1cyclictest0-21swapper/223:30:222
760348991310,1cyclictest0-21swapper/220:40:502
760348991310,1cyclictest0-21swapper/220:05:202
76034799139,3cyclictest868545-21kthreadcore20:35:231
76034799139,2cyclictest794684-21kthreadcore19:35:201
76034799139,2cyclictest794684-21kthreadcore19:35:201
760347991310,2cyclictest855241-21kernelversion20:25:201
760347991310,2cyclictest1043311-21irqcore22:40:211
3153791132,2phc2sys0-21swapper/300:25:163
3153791130,2phc2sys0-21swapper/320:35:233
3153791130,2phc2sys0-21swapper/319:45:143
3153791130,2phc2sys0-21swapper/319:36:053
3153791130,2phc2sys0-21swapper/319:36:053
3153791130,1phc2sys0-21swapper/300:02:193
760348991210,1cyclictest0-21swapper/223:20:212
760348991210,1cyclictest0-21swapper/220:20:212
760348991210,1cyclictest0-21swapper/219:50:202
76034899120,2cyclictest0-21swapper/219:45:142
3153791121,4phc2sys0-21swapper/300:15:133
3153791120,4phc2sys0-21swapper/319:15:273
3153791120,3phc2sys0-21swapper/322:10:023
3153791120,2phc2sys0-21swapper/323:53:273
3153791120,2phc2sys0-21swapper/323:05:403
3153791120,2phc2sys0-21swapper/322:55:023
3153791120,2phc2sys0-21swapper/321:41:293
3153791120,2phc2sys0-21swapper/321:09:253
3153791120,2phc2sys0-21swapper/320:54:203
3153791120,2phc2sys0-21swapper/319:21:303
3153791120,2phc2sys0-21swapper/300:10:453
3153791120,1phc2sys0-21swapper/323:14:223
3153791120,1phc2sys0-21swapper/320:10:473
3153791120,1phc2sys0-21swapper/300:23:563
76034799114,5cyclictest760500-21date19:10:021
3153791112,2phc2sys0-21swapper/320:49:223
3153791112,2phc2sys0-21swapper/320:25:253
3153791111,2phc2sys0-21swapper/322:10:143
3153791110,2phc2sys0-21swapper/322:25:213
3153791110,2phc2sys0-21swapper/321:10:413
3153791110,1phc2sys0-21swapper/319:31:163
3153791101,2phc2sys0-21swapper/321:55:183
3153791101,2phc2sys0-21swapper/320:15:143
3153791101,2phc2sys0-21swapper/319:10:283
3153791101,2phc2sys0-21swapper/300:05:203
3153791100,2phc2sys0-21swapper/323:55:383
3153791100,2phc2sys0-21swapper/323:27:453
3153791100,2phc2sys0-21swapper/323:19:313
3153791100,2phc2sys0-21swapper/323:01:523
3153791100,2phc2sys0-21swapper/321:45:203
3153791100,2phc2sys0-21swapper/321:35:143
3153791100,2phc2sys0-21swapper/300:38:063
315379191,2phc2sys0-21swapper/322:00:403
315379191,2phc2sys0-21swapper/320:20:163
315379190,3phc2sys0-21swapper/320:09:563
315379190,2phc2sys0-21swapper/322:35:193
315379190,2phc2sys0-21swapper/321:00:163
315379190,2phc2sys0-21swapper/320:40:283
315379190,2phc2sys0-21swapper/320:00:173
315379190,2phc2sys0-21swapper/319:50:193
315379180,2phc2sys0-21swapper/320:30:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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