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2026-03-11 - 11:00
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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 Wed Mar 11, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
269632760,1sleep21364999cyclictest23:04:222
186272720,1sleep318629-21bash23:22:503
190162560,0sleep219011-21sshd22:36:062
252752550,1sleep2321ktimersoftd/223:06:552
249822550,0sleep30-21swapper/320:55:113
216542550,0sleep20-21swapper/223:31:142
128462550,0sleep00-21swapper/021:33:410
291892530,1sleep229158-21sshd00:02:022
318562510,0sleep20-21swapper/222:13:592
31252510,1sleep13122-21lspci22:29:201
234322510,1sleep2311rcuc/200:31:492
171692510,0sleep20-21swapper/222:08:552
3262500,0sleep30-21swapper/321:32:193
297232500,0sleep30-21swapper/323:29:143
286832500,0sleep20-21swapper/200:07:302
250452500,1sleep325044-21sshd23:31:313
248312500,2sleep21364999cyclictest21:45:152
191322500,0sleep2311rcuc/221:34:232
166012500,0sleep20-21swapper/221:51:212
301102490,0sleep00-21swapper/023:56:340
282112490,1sleep3660-21avahi-daemon23:12:413
184292490,0sleep10-21swapper/123:36:261
169582490,0sleep1241ktimersoftd/122:49:441
44782480,0sleep30-21swapper/322:00:273
199192480,1sleep0101ktimersoftd/022:05:370
134502480,0sleep3391rcuc/321:12:293
52252470,0sleep10-21swapper/122:24:001
262652470,0sleep30-21swapper/300:01:473
306142440,0sleep20-21swapper/221:20:562
134622319,7sleep20-21swapper/219:09:042
134402308,7sleep00-21swapper/019:08:460
135652290,0sleep10-21swapper/123:22:241
133202287,7sleep30-21swapper/319:07:183
1317322514,7sleep10-21swapper/119:05:261
168592240,0sleep116856-21consoletype23:25:201
311032200,1sleep031096-21bash22:50:500
171702180,0sleep10-21swapper/121:34:101
137142180,2sleep01364699cyclictest00:06:130
112782180,0sleep10-21swapper/122:01:131
172002160,0sleep20-21swapper/222:46:562
167472160,0sleep30-21swapper/321:51:223
136642160,0sleep30-21swapper/323:44:163
84062150,0sleep10-21swapper/123:49:191
82232150,0sleep08219-21lspci23:16:250
63322150,0sleep10-21swapper/100:19:271
25052150,1sleep12503-21lspci22:42:591
232762150,0sleep20-21swapper/221:41:402
208272150,0sleep30-21swapper/322:44:333
13649991513,1cyclictest20387-21lspci22:50:002
12342150,0sleep00-21swapper/000:13:300
39892140,0sleep10-21swapper/121:53:321
298752140,0sleep00-21swapper/000:26:550
254462140,1sleep225444-21lspci22:55:532
154652140,0sleep20-21swapper/221:37:232
135072140,0sleep20-21swapper/223:55:132
180252130,0sleep018012-21sshd22:15:540
177472130,0sleep00-21swapper/023:39:090
142102130,0sleep114208-21bash00:20:071
1364699130,1cyclictest28604-21lspci21:45:390
1364699130,12cyclictest23289-21sshd00:31:490
120032130,0sleep311993-21bash23:38:403
307722120,0sleep10-21swapper/100:07:421
279292120,0sleep00-21swapper/021:20:270
13650991210,1cyclictest0-21swapper/322:22:113
1365099120,1cyclictest8585-21grepconf.sh23:57:323
1365099120,1cyclictest21163-21bash23:09:223
1365099120,11cyclictest642-21systemd-logind22:51:223
1365099120,11cyclictest0-21swapper/323:15:523
13649991210,1cyclictest9705-21sshd23:24:512
1364899120,1cyclictest28401-21lspci22:34:151
1364699120,1cyclictest0-21swapper/022:12:390
13650991110,0cyclictest0-21swapper/322:47:323
1365099110,10cyclictest0-21swapper/322:27:323
1365099110,10cyclictest0-21swapper/300:07:513
13649991110,0cyclictest0-21swapper/223:45:512
1364999110,10cyclictest0-21swapper/223:53:312
1364899119,1cyclictest674-21dbus-daemon21:16:051
1364899119,1cyclictest0-21swapper/122:51:341
1364899110,1cyclictest17270-21sshd21:37:351
1364899110,10cyclictest0-21swapper/121:43:151
1364899110,0cyclictest0-21swapper/122:05:151
1364699110,1cyclictest0-21swapper/022:43:390
1364699110,10cyclictest0-21swapper/023:13:090
1364699110,10cyclictest0-21swapper/022:38:390
1364699110,10cyclictest0-21swapper/021:13:380
1364699110,0cyclictest0-21swapper/022:56:190
1365099109,0cyclictest0-21swapper/321:26:223
1365099100,0cyclictest0-21swapper/323:02:513
1365099100,0cyclictest0-21swapper/321:40:223
1364999109,0cyclictest0-21swapper/223:42:002
1364999109,0cyclictest0-21swapper/221:19:212
1364999109,0cyclictest0-21swapper/200:19:312
1364999109,0cyclictest0-21swapper/200:10:212
1364999100,0cyclictest0-21swapper/223:27:312
1364999100,0cyclictest0-21swapper/223:15:402
1364899109,0cyclictest0-21swapper/123:09:351
1364899109,0cyclictest0-21swapper/122:14:241
1364899109,0cyclictest0-21swapper/121:00:151
1364899108,1cyclictest11103-21lspci23:57:441
1364899100,9cyclictest0-21swapper/123:18:441
1364699109,0cyclictest0-21swapper/023:22:190
1364699109,0cyclictest0-21swapper/023:00:090
1364699109,0cyclictest0-21swapper/022:32:290
1364699100,0cyclictest0-21swapper/023:52:290
1364699100,0cyclictest0-21swapper/023:48:390
1364699100,0cyclictest0-21swapper/022:48:390
1364699100,0cyclictest0-21swapper/021:28:390
136509998,0cyclictest0-21swapper/322:36:213
136509998,0cyclictest0-21swapper/322:19:323
136509998,0cyclictest0-21swapper/300:26:123
136509997,1cyclictest11197-21sshd00:14:223
136499998,0cyclictest0-21swapper/221:25:012
136499998,0cyclictest0-21swapper/221:14:312
136499998,0cyclictest0-21swapper/200:28:412
136499996,2cyclictest699-21gdbus00:20:242
136489998,0cyclictest0-21swapper/122:59:151
136489998,0cyclictest0-21swapper/122:35:251
136489998,0cyclictest0-21swapper/121:11:151
136489998,0cyclictest0-21swapper/100:25:151
136489997,1cyclictest11879-21sshd23:03:051
136489997,1cyclictest0-21swapper/100:13:251
136489996,2cyclictest674-21dbus-daemon00:03:251
136489994,2cyclictest15855-21sshd00:36:411
136469997,1cyclictest0-21swapper/000:02:490
32455280,1sleep232451-21sshd23:10:152
136509987,0cyclictest0-21swapper/300:23:323
136509986,1cyclictest660-21avahi-daemon00:15:233
136509986,1cyclictest17101-21lspci21:58:253
136509985,2cyclictest660-21avahi-daemon23:50:043
136509985,2cyclictest660-21avahi-daemon22:34:323
136509985,2cyclictest660-21avahi-daemon22:12:273
136509985,2cyclictest660-21avahi-daemon22:06:103
136509985,2cyclictest660-21avahi-daemon21:46:393
136509985,2cyclictest660-21avahi-daemon21:36:123
136509985,2cyclictest660-21avahi-daemon21:25:003
136509985,2cyclictest660-21avahi-daemon00:31:003
136509985,2cyclictest19421-21sshd22:55:223
136509984,3cyclictest649-21polkitd23:46:033
136509980,7cyclictest0-21swapper/320:05:123
136499986,1cyclictest22883-21sshd22:02:312
136499986,1cyclictest13448-21lspci23:36:002
136499986,1cyclictest0-21swapper/222:23:312
136499985,2cyclictest674-21dbus-daemon22:00:012
136499985,2cyclictest32527-21sshd22:31:482
136499985,2cyclictest1-21systemd22:41:212
136499980,7cyclictest0-21swapper/219:38:212
136489987,0cyclictest0-21swapper/121:58:451
136489987,0cyclictest0-21swapper/121:27:451
136489986,1cyclictest660-21avahi-daemon21:45:131
136489986,1cyclictest6468-21lspci23:10:461
136489986,1cyclictest6309-21lspci23:51:501
136489986,1cyclictest21183-21lspci23:33:591
136489985,2cyclictest660-21avahi-daemon22:18:261
136469987,0cyclictest0-21swapper/022:03:280
136469987,0cyclictest0-21swapper/021:52:490
136469986,1cyclictest660-21avahi-daemon00:38:190
136469986,1cyclictest1026-21sshd00:23:480
136469985,2cyclictest660-21avahi-daemon23:26:510
136469985,2cyclictest660-21avahi-daemon22:20:560
136469985,2cyclictest660-21avahi-daemon21:44:120
10725280,6sleep010934-21sshd23:44:030
136509976,0cyclictest0-21swapper/300:35:223
136509974,1cyclictest674-21dbus-daemon21:18:033
136499975,1cyclictest660-21avahi-daemon22:25:292
136499975,1cyclictest660-21avahi-daemon22:15:092
136499975,1cyclictest660-21avahi-daemon20:55:002
136499975,1cyclictest660-21avahi-daemon00:36:472
136489976,0cyclictest0-21swapper/120:29:251
136489975,1cyclictest660-21avahi-daemon00:30:531
136489974,2cyclictest699-21gdbus23:40:171
136489973,2cyclictest27282-21sshd21:20:181
136469976,0cyclictest0-21swapper/019:55:190
136469976,0cyclictest0-21swapper/019:34:590
136469975,1cyclictest660-21avahi-daemon23:32:310
136469975,1cyclictest660-21avahi-daemon22:26:240
136469975,1cyclictest660-21avahi-daemon21:35:510
136469974,2cyclictest674-21dbus-daemon23:05:380
136469974,2cyclictest674-21dbus-daemon21:56:120
136469974,2cyclictest660-21avahi-daemon00:18:440
136509963,2cyclictest674-21dbus-daemon20:49:553
136509963,2cyclictest1002-21snmpd20:23:023
136509960,5cyclictest0-21swapper/319:34:223
136499964,1cyclictest0-21swapper/219:55:102
136489965,0cyclictest0-21swapper/119:30:141
136489965,0cyclictest0-21swapper/119:10:151
136489960,5cyclictest0-21swapper/119:25:051
136469965,0cyclictest0-21swapper/019:45:080
136469964,1cyclictest674-21dbus-daemon20:15:010
136469964,1cyclictest27801-21tty21:15:020
136469963,2cyclictest1002-21snmpd20:16:290
136469963,2cyclictest1002-21snmpd19:21:200
136469960,3cyclictest3054-21missed_timers20:00:160
136469960,3cyclictest3054-21missed_timers20:00:160
136469960,0cyclictest0-21swapper/020:05:280
136509954,0cyclictest0-21swapper/319:27:023
136509953,1cyclictest8997-21cat20:15:143
136509953,1cyclictest31165-21cat19:50:143
136509953,1cyclictest1002-21snmpd21:01:193
136509953,1cyclictest1002-21snmpd20:50:423
136509953,1cyclictest1002-21snmpd20:40:173
136509953,1cyclictest1002-21snmpd20:36:363
136509953,1cyclictest1002-21snmpd20:33:273
136509953,1cyclictest1002-21snmpd20:25:363
136509953,1cyclictest1002-21snmpd20:10:143
136509953,1cyclictest1002-21snmpd20:00:143
136509953,1cyclictest1002-21snmpd20:00:143
136509953,1cyclictest1002-21snmpd19:59:493
136509953,1cyclictest1002-21snmpd19:43:303
136509953,1cyclictest1002-21snmpd19:37:433
136509953,1cyclictest1002-21snmpd19:21:183
136509953,1cyclictest1002-21snmpd19:10:213
136509952,2cyclictest1002-21snmpd19:49:193
136509950,4cyclictest17852-21sshd19:15:353
136509950,2cyclictest29502-21/usr/sbin/munin21:05:143
136499954,0cyclictest0-21swapper/220:55:012
136499954,0cyclictest0-21swapper/219:45:012
136499953,1cyclictest674-21dbus-daemon20:30:002
136499953,1cyclictest674-21dbus-daemon19:19:592
136499953,1cyclictest4708-21df_inode20:05:132
136499953,1cyclictest2396-21/usr/sbin/munin20:00:132
136499953,1cyclictest2396-21/usr/sbin/munin20:00:132
136499953,1cyclictest18453-21crond20:40:002
136499953,1cyclictest1705-21sendmail19:13:112
136499953,1cyclictest1002-21snmpd21:06:122
136499953,1cyclictest1002-21snmpd21:01:522
136499953,1cyclictest1002-21snmpd20:22:382
136499953,1cyclictest1002-21snmpd20:17:312
136499953,1cyclictest1002-21snmpd20:11:472
136499953,1cyclictest1002-21snmpd19:51:372
136499953,1cyclictest1002-21snmpd19:44:132
136499953,1cyclictest1002-21snmpd19:30:422
136499953,1cyclictest1002-21snmpd19:25:362
136499953,1cyclictest1002-21snmpd19:22:002
136499952,2cyclictest13949-21head20:25:182
136499952,2cyclictest1002-21snmpd20:40:052
136499950,4cyclictest0-21swapper/220:46:112
136489954,0cyclictest0-21swapper/120:58:241
136489954,0cyclictest0-21swapper/120:38:451
136489954,0cyclictest0-21swapper/120:00:551
136489954,0cyclictest0-21swapper/120:00:551
136489954,0cyclictest0-21swapper/119:53:551
136489954,0cyclictest0-21swapper/119:16:351
136489953,1cyclictest6789-21tail20:10:131
136489953,1cyclictest1002-21snmpd21:06:221
136489953,1cyclictest1002-21snmpd20:42:351
136489953,1cyclictest1002-21snmpd20:31:441
136489953,1cyclictest1002-21snmpd20:15:051
136489953,1cyclictest1002-21snmpd20:07:071
136489953,1cyclictest1002-21snmpd19:56:161
136489953,1cyclictest1002-21snmpd19:24:151
136489952,2cyclictest29781-21cat19:45:181
136489951,3cyclictest25464-21ls19:35:181
136489950,1cyclictest26596-21/usr/sbin/munin19:40:151
136489950,0cyclictest0-21swapper/120:45:551
136469953,1cyclictest642-21systemd-logind19:55:010
136469953,1cyclictest26375-21perf19:40:000
136469953,1cyclictest21216-21cat20:45:130
136469953,1cyclictest15114-21cat20:30:140
136469953,1cyclictest13897-21grep20:25:180
136469953,1cyclictest1002-21snmpd21:05:550
136469953,1cyclictest1002-21snmpd21:00:160
136469953,1cyclictest1002-21snmpd20:55:140
136469953,1cyclictest1002-21snmpd20:52:390
136469953,1cyclictest1002-21snmpd20:41:060
136469953,1cyclictest1002-21snmpd20:35:120
136469953,1cyclictest1002-21snmpd20:20:050
136469953,1cyclictest1002-21snmpd19:42:160
136469953,1cyclictest1002-21snmpd19:28:010
136469953,1cyclictest1002-21snmpd19:16:480
136469953,1cyclictest1002-21snmpd19:10:330
136489942,1cyclictest1705-21sendmail20:50:101
136489942,1cyclictest11003-21if_eno220:20:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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