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2026-04-20 - 02:19
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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 rack2slot0.osadl.org (updated Mon Apr 20, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24062790,1sleep22395-21sshd22:00:552
115122730,0sleep20-21swapper/222:12:492
59382720,0sleep10-21swapper/122:59:221
59382720,0sleep10-21swapper/122:59:221
160882620,0sleep30-21swapper/321:48:213
213302600,1sleep321320-21bash21:12:183
321982550,0sleep20-21swapper/222:31:072
150372550,0sleep30-21swapper/323:13:583
94202540,0sleep20-21swapper/222:56:502
94202540,0sleep20-21swapper/222:56:502
308302540,1sleep230833-21bash21:55:102
169102540,0sleep00-21swapper/023:33:290
7402530,0sleep20-21swapper/222:22:582
40402530,0sleep00-21swapper/000:38:500
304772530,0sleep230469-21bash23:48:292
196572530,0sleep10-21swapper/123:00:251
190772530,0sleep00-21swapper/023:44:460
185812530,0sleep10-21swapper/123:22:331
35512520,1sleep33542-21bash00:24:593
70222510,1sleep27024-21bash22:53:542
40352510,0sleep24031-21lspci23:24:062
206302510,1sleep0642-21systemd-logind22:55:040
206302510,1sleep0642-21systemd-logind22:55:040
220762500,0sleep20-21swapper/221:48:532
255062490,0sleep3391rcuc/300:37:533
243622490,0sleep129977-21packagekitd21:28:221
193802490,0sleep20-21swapper/200:15:132
73692480,0sleep30-21swapper/321:44:543
59422480,0sleep30-21swapper/323:21:273
215632480,0sleep121564-21bash21:57:051
180622480,1sleep018063-21bash00:12:180
132612480,0sleep10-21swapper/121:23:051
128572480,0sleep10-21swapper/122:48:521
105232480,0sleep10-21swapper/122:43:071
95592470,0sleep10-21swapper/100:08:511
42552470,0sleep00-21swapper/023:04:450
234492470,0sleep00-21swapper/023:53:240
185212460,1sleep218518-21sshd22:46:332
207412450,0sleep10-21swapper/122:35:391
281542430,0sleep125676-21kworker/1:321:54:571
160402297,7sleep20-21swapper/219:09:052
160582288,7sleep00-21swapper/019:09:180
160912277,7sleep30-21swapper/319:09:463
1609922514,7sleep10-21swapper/119:09:521
302842200,0sleep20-21swapper/222:06:042
89002180,1sleep0111rcuc/000:05:570
263022170,0sleep10-21swapper/123:42:351
247652170,1sleep00-21swapper/021:40:460
270142160,1sleep327010-21sshd23:25:593
1622899161,12cyclictest674-21dbus-daemon00:07:473
99312150,0sleep00-21swapper/023:38:260
82072150,0sleep10-21swapper/122:12:311
37752150,0sleep30-21swapper/300:13:543
322172150,0sleep3391rcuc/300:30:123
310492150,0sleep30-21swapper/322:03:243
264802150,1sleep00-21swapper/023:20:230
259302150,0sleep025927-21lspci21:38:100
240112150,1sleep123980-21sshd23:06:231
233052150,0sleep10-21swapper/119:25:131
1622699150,11cyclictest23195-21lspci21:32:061
105962150,1sleep01622399cyclictest21:56:080
55642140,0sleep30-21swapper/322:17:503
296352140,1sleep329637-21bash21:38:293
16227991413,0cyclictest321ktimersoftd/200:32:112
1622799140,13cyclictest0-21swapper/200:23:032
1622399140,12cyclictest16722-21sshd23:05:430
65362130,0sleep0111rcuc/022:40:010
16228991311,1cyclictest674-21dbus-daemon22:47:573
1622799135,1cyclictest33-21ksoftirqd/222:17:282
16227991313,0cyclictest321ktimersoftd/220:40:492
1622799130,12cyclictest0-21swapper/223:39:332
1622699136,2cyclictest674-21dbus-daemon00:12:541
1622699130,0cyclictest0-21swapper/122:19:261
16223991311,1cyclictest674-21dbus-daemon00:19:330
128842130,1sleep112887-21bash00:25:411
117912130,0sleep00-21swapper/000:31:090
1622899120,1cyclictest7891-21bash00:03:073
1622899120,1cyclictest31197-21grep23:59:373
1622899120,1cyclictest10024-21sshd22:07:073
1622899120,11cyclictest674-21dbus-daemon23:42:273
1622799129,1cyclictest33-21ksoftirqd/223:41:012
1622799122,1cyclictest33-21ksoftirqd/221:37:422
16227991211,0cyclictest321ktimersoftd/223:57:542
16227991210,1cyclictest649-21polkitd22:39:232
1622799120,1cyclictest698-21gdbus21:54:222
1622799120,1cyclictest12920-21forks21:15:122
1622799120,1cyclictest0-21swapper/223:09:432
1622799120,11cyclictest23237-21sshd00:07:132
1622699126,1cyclictest660-21avahi-daemon23:32:021
1622699125,2cyclictest660-21avahi-daemon23:46:231
1622699125,2cyclictest660-21avahi-daemon00:23:101
1622699125,1cyclictest660-21avahi-daemon00:15:381
1622699125,1cyclictest649-21polkitd23:56:221
1622699123,1cyclictest649-21polkitd22:02:011
1622699120,1cyclictest28836-21bash21:17:061
1622699120,1cyclictest1073-21nfsd21:40:061
1622699120,11cyclictest0-21swapper/122:31:261
16223991211,0cyclictest0-21swapper/022:06:330
1622399120,1cyclictest27646-21diskstats20:55:130
1622399120,11cyclictest27672-21sshd23:26:030
16228991110,0cyclictest0-21swapper/323:31:273
16228991110,0cyclictest0-21swapper/321:22:163
1622899110,10cyclictest0-21swapper/323:01:073
1622899110,10cyclictest0-21swapper/322:34:473
1622799119,1cyclictest33-21ksoftirqd/221:40:192
1622799119,1cyclictest33-21ksoftirqd/220:50:122
1622799111,3cyclictest649-21polkitd23:04:192
16227991111,0cyclictest321ktimersoftd/200:37:232
16227991110,0cyclictest0-21swapper/221:24:022
1622799110,1cyclictest33-21ksoftirqd/223:54:222
1622799110,0cyclictest0-21swapper/223:26:522
1622799110,0cyclictest0-21swapper/200:03:432
1622699119,1cyclictest674-21dbus-daemon21:47:161
1622699116,1cyclictest4223-21lspci00:36:011
1622699115,1cyclictest660-21avahi-daemon23:54:091
1622699115,1cyclictest5731-21sshd00:00:121
1622699114,2cyclictest660-21avahi-daemon23:11:131
1622699114,1cyclictest674-21dbus-daemon22:21:461
1622699113,4cyclictest649-21polkitd22:28:101
1622699113,3cyclictest649-21polkitd22:53:571
1622699113,1cyclictest0-21swapper/123:26:171
1622699110,0cyclictest0-21swapper/123:37:361
1622699110,0cyclictest0-21swapper/119:24:061
16223991110,0cyclictest0-21swapper/022:23:030
1622399110,10cyclictest0-21swapper/023:45:230
1622399110,0cyclictest0-21swapper/000:28:030
70662100,0sleep00-21swapper/023:15:590
1622899109,0cyclictest0-21swapper/322:51:573
1622899109,0cyclictest0-21swapper/322:39:573
1622899109,0cyclictest0-21swapper/321:51:473
1622899109,0cyclictest0-21swapper/321:18:273
1622899100,0cyclictest0-21swapper/323:50:173
1622899100,0cyclictest0-21swapper/300:15:073
1622799109,0cyclictest0-21swapper/222:27:022
1622799109,0cyclictest0-21swapper/219:40:112
1622799103,1cyclictest33-21ksoftirqd/223:14:242
1622799103,1cyclictest33-21ksoftirqd/221:26:522
1622799102,1cyclictest33-21ksoftirqd/223:17:252
1622799100,9cyclictest0-21swapper/219:34:222
1622799100,1cyclictest674-21dbus-daemon23:32:282
1622799100,0cyclictest0-21swapper/200:27:152
1622699109,0cyclictest0-21swapper/121:10:551
1622699104,1cyclictest699-21gdbus22:09:551
1622699104,1cyclictest674-21dbus-daemon23:15:331
1622699104,1cyclictest674-21dbus-daemon21:35:161
1622699104,1cyclictest660-21avahi-daemon00:31:421
1622399109,0cyclictest0-21swapper/022:39:230
1622399109,0cyclictest0-21swapper/022:34:130
1622399109,0cyclictest0-21swapper/021:54:230
1622399109,0cyclictest0-21swapper/021:20:130
1622399109,0cyclictest0-21swapper/020:41:530
1622399109,0cyclictest0-21swapper/020:32:030
1622399109,0cyclictest0-21swapper/019:30:120
1622399102,4cyclictest18209-21munin-run19:15:000
1622399100,9cyclictest0-21swapper/021:09:030
1622399100,9cyclictest0-21swapper/020:37:530
1622399100,6cyclictest19672-21idleruntime-cro22:55:000
1622399100,0cyclictest0-21swapper/023:10:530
1622399100,0cyclictest0-21swapper/021:15:130
162289998,0cyclictest0-21swapper/323:49:073
162289998,0cyclictest0-21swapper/321:56:073
162289997,1cyclictest0-21swapper/322:23:373
162279999,0cyclictest321ktimersoftd/219:29:022
162279998,0cyclictest0-21swapper/221:32:322
162279990,1cyclictest131rcu_sched22:43:152
162239999,0cyclictest0-21swapper/021:46:530
162239998,0cyclictest0-21swapper/022:14:130
162239998,0cyclictest0-21swapper/021:26:430
162289987,0cyclictest0-21swapper/322:43:573
162289986,1cyclictest7279-21lspci00:28:033
162289986,1cyclictest32647-21lspci22:25:373
162289986,1cyclictest31136-21lspci23:15:163
162289985,2cyclictest674-21dbus-daemon23:36:593
162289985,2cyclictest674-21dbus-daemon21:26:063
162289985,2cyclictest660-21avahi-daemon22:59:383
162289985,2cyclictest660-21avahi-daemon22:59:383
162289985,2cyclictest660-21avahi-daemon22:13:393
162289984,3cyclictest674-21dbus-daemon23:09:433
162279986,1cyclictest33-21ksoftirqd/219:20:002
162279981,1cyclictest674-21dbus-daemon21:10:592
162279980,1cyclictest121rcu_preempt00:10:172
162239987,0cyclictest0-21swapper/022:25:030
162239985,2cyclictest660-21avahi-daemon00:21:090
162239985,2cyclictest18721-21sshd23:55:410
162289976,0cyclictest0-21swapper/320:40:173
162289975,1cyclictest5493-21sshd21:30:013
162279977,0cyclictest321ktimersoftd/220:47:202
162279975,1cyclictest33-21ksoftirqd/221:05:002
162279970,0cyclictest0-21swapper/219:55:122
162269976,0cyclictest0-21swapper/119:15:361
162239976,0cyclictest0-21swapper/022:45:230
162239975,1cyclictest9-21ksoftirqd/022:15:040
162239975,1cyclictest674-21dbus-daemon00:00:290
162239975,1cyclictest660-21avahi-daemon21:30:190
162239974,2cyclictest674-21dbus-daemon21:11:180
162239974,2cyclictest660-21avahi-daemon22:00:150
162289964,1cyclictest5110-21grep20:00:123
162289963,2cyclictest1002-21snmpd21:06:293
162289963,2cyclictest1002-21snmpd20:47:193
162289963,2cyclictest1002-21snmpd20:19:403
162289963,2cyclictest1002-21snmpd19:15:233
162289960,0cyclictest0-21swapper/319:55:273
162279966,0cyclictest321ktimersoftd/220:58:432
162279966,0cyclictest321ktimersoftd/220:35:482
162279966,0cyclictest321ktimersoftd/220:33:062
162279965,0cyclictest0-21swapper/219:22:022
162279964,1cyclictest33-21ksoftirqd/221:10:002
162279963,2cyclictest1002-21snmpd20:01:302
162279963,2cyclictest1002-21snmpd19:35:022
162279960,0cyclictest0-21swapper/220:17:022
162269963,2cyclictest1002-21snmpd20:35:581
162269962,1cyclictest0-21swapper/120:45:561
7110250,0sleep00-21swapper/020:05:120
162289953,1cyclictest624-13audispd19:10:003
162289953,1cyclictest28456-21sed19:35:193
162289953,1cyclictest23659-21ls19:25:163
162289953,1cyclictest19723-21cat20:35:153
162289953,1cyclictest1002-21snmpd21:00:113
162289953,1cyclictest1002-21snmpd20:55:163
162289953,1cyclictest1002-21snmpd20:54:073
162289953,1cyclictest1002-21snmpd20:22:013
162289953,1cyclictest1002-21snmpd20:11:333
162289953,1cyclictest1002-21snmpd19:50:153
162289953,1cyclictest1002-21snmpd19:42:543
162289953,1cyclictest1002-21snmpd19:30:053
162289953,1cyclictest1002-21snmpd19:21:023
162289952,2cyclictest32613-21awk19:45:193
162289952,2cyclictest1002-21snmpd20:25:193
162289950,4cyclictest18379-21cat20:30:203
162289950,2cyclictest7568-21grep20:05:153
162279954,0cyclictest0-21swapper/220:07:312
162279953,1cyclictest848-21/usr/sbin/munin19:50:202
162279953,1cyclictest16707-21grep19:10:122
162279953,1cyclictest15670-21interrupts20:25:152
162279953,1cyclictest1002-21snmpd20:22:042
162279953,1cyclictest1002-21snmpd20:10:542
162279952,2cyclictest1002-21snmpd19:45:452
162269953,1cyclictest8289-21grep20:05:201
162269953,1cyclictest674-21dbus-daemon19:40:001
162269953,1cyclictest5460-21cat20:00:151
162269953,1cyclictest31251-21cpu19:45:101
162269953,1cyclictest15606-21cat20:25:151
162269953,1cyclictest13122-21/usr/sbin/munin20:20:201
162269953,1cyclictest11576-21cat20:15:151
162269953,1cyclictest1088-21ntpd20:10:171
162269953,1cyclictest1002-21snmpd21:02:201
162269953,1cyclictest1002-21snmpd20:57:071
162269953,1cyclictest1002-21snmpd20:50:221
162269953,1cyclictest1002-21snmpd20:32:431
162269953,1cyclictest1002-21snmpd19:55:031
162269953,1cyclictest1002-21snmpd19:54:151
162269953,1cyclictest1002-21snmpd19:40:421
162269953,1cyclictest1002-21snmpd19:30:561
162269952,2cyclictest48-21kauditd19:15:001
162269952,2cyclictest1002-21snmpd21:05:051
162269952,2cyclictest1002-21snmpd20:40:071
162239953,1cyclictest9-21ksoftirqd/020:25:000
162239953,1cyclictest29665-21cat19:40:140
162239953,1cyclictest25091-21crond20:54:550
162239953,1cyclictest18997-21/usr/sbin/munin19:15:120
162239953,1cyclictest1705-21sendmail19:27:390
162239953,1cyclictest15627-21mii-tool20:25:150
162239953,1cyclictest1002-21snmpd21:01:470
162239953,1cyclictest1002-21snmpd19:57:110
162239953,1cyclictest1002-21snmpd19:45:030
162239953,1cyclictest1002-21snmpd19:35:230
162239953,1cyclictest1002-21snmpd19:20:020
162239952,2cyclictest1002-21snmpd20:47:430
162239942,1cyclictest972-21tr19:50:120
162239942,1cyclictest90442sleep020:10:040
162239942,1cyclictest11312-21expr20:15:130
162239942,1cyclictest0-21swapper/020:00:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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