[LITMUS^RT] Experiment Script
Sanjib Das
cnt.sanjib at googlemail.com
Sat May 3 16:55:07 CEST 2014
Hi Glenn,
Here is a segment of my syslog : (my system was not connected with network
i.e. LAN and also there was no external USB device connected during the
experiment )
May 3 15:30:31 lubdhok-lab kernel: [ 5897.872575] Switching to LITMUS^RT
plugin Linux.
May 3 15:30:32 lubdhok-lab kernel: [ 5898.581825] virtuoso-t[15646]:
segfault at ffffffffffffffff ip 0000000000939d75 sp 00007f1771a7ed50 error
7 in virtuoso-t[400000+b09000]
May 3 15:30:33 lubdhok-lab kernel: [ 5900.345664] Enabling feather-trace
event 501.
May 3 15:30:33 lubdhok-lab kernel: [ 5900.345669] ft_enable_event: enabled
1 events
...................................................................................................................
...................................................................................................................
May 3 15:30:33 lubdhok-lab kernel: [ 5900.350830] sched_trace kfifo with
buffer starting at: 0xffffffff81aac818
May 3 15:31:13 lubdhok-lab kernel: [ 5901.353520] C-EDF: Activate Plugin,
cluster configuration = 2
May 3 15:31:13 lubdhok-lab kernel: [ 5901.353527] C-EDF: 2 cluster(s) of
size = 2
May 3 15:31:13 lubdhok-lab kernel: [ 5901.353534] CPU = 0, shared cpu(s) =
0-1
May 3 15:31:13 lubdhok-lab kernel: [ 5901.353539] CPU = 2, shared cpu(s) =
2-3
May 3 15:31:13 lubdhok-lab kernel: [ 5901.353543] Switching to LITMUS^RT
plugin C-EDF.
May 3 15:31:13 lubdhok-lab kernel: [ 5904.360103] Setting up rt task
parameters for process 15681.
May 3 15:31:13 lubdhok-lab kernel: [ 5904.361164] Setting up rt task
parameters for process 15682.
May 3 15:31:13 lubdhok-lab kernel: [ 5904.362549] Setting up rt task
parameters for process 15683.
..................................................................................................................................
..................................................................................................................................
May 3 15:31:13 lubdhok-lab kernel: [ 5905.421205] time stamp buffer:
trying to allocate 8388608 time stamps.
May 3 15:31:13 lubdhok-lab kernel: [ 5905.448210] Enabling feather-trace
event 100.
May 3 15:31:13 lubdhok-lab kernel: [ 5905.448216] ft_enable_event: enabled
1 events
May 3 15:31:13 lubdhok-lab kernel: [ 5905.448220] Enabling feather-trace
event 101.
May 3 15:31:13 lubdhok-lab kernel: [ 5905.448222] ft_enable_event: enabled
2 events
..................................................................................................................................
..................................................................................................................................
May 3 15:31:13 lubdhok-lab kernel: [ 5905.448273] Enabling feather-trace
event 41.
May 3 15:31:13 lubdhok-lab kernel: [ 5905.448275] ft_enable_event: enabled
1 events
May 3 15:31:13 lubdhok-lab kernel: [ 5905.448277] Enabling feather-trace
event 208.
*May 3 15:31:13 lubdhok-lab kernel: [ 5905.448279] ft_enable_event:
enabled 1 eventsMay 3 15:31:13 lubdhok-lab kernel: [ 5929.678342] BUG:
soft lockup - CPU#1 stuck for 22s! [rtspin:15698]May 3 15:31:13
lubdhok-lab kernel: [ 5929.678345] BUG: soft lockup - CPU#0 stuck for 22s!
[rtspin:15701]*
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678355] Modules linked in:
hid_generic usbhid
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678356] Modules linked in:
hid_generic usbhid
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678362] hid ipt_MASQUERADE
iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4
xt_conntrack hid ipt_MASQUERADE iptable_nat
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678384] nf_conntrack ipt_REJECT
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678390] nf_nat_ipv4
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678396] xt_CHECKSUM
iptable_mangle xt_tcpudp
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678398] nf_nat
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678405] bridge stp llc
ip6table_filter
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678406] nf_conntrack_ipv4
nf_defrag_ipv4 xt_conntrack
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678412] ip6_tables
iptable_filter ip_tables ebtable_nat nf_conntrack ipt_REJECT xt_CHECKSUM
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678425] ebtables x_tables
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678431] iptable_mangle
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678439] rfcomm bnep bluetooth
parport_pc
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678439] xt_tcpudp bridge stp
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678445] ppdev llc
ip6table_filter ip6_tables
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678453] binfmt_misc arc4
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678458] iptable_filter
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678464] brcmsmac cordic brcmutil
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678466] ip_tables
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678473] mac80211 cfg80211
snd_hda_codec_hdmi
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678474] ebtable_nat
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678481] snd_hda_codec_conexant
snd_hda_intel intel_powerclamp
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678483] ebtables
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678489] snd_hda_codec coretemp
kvm_intel
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678491] x_tables
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678497] kvm joydev snd_hwdep
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678499] rfcomm
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678507] snd_pcm snd_page_alloc
uvcvideo snd_seq_midi
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678507] bnep bluetooth
parport_pc
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678513] snd_seq_midi_event
snd_rawmidi snd_seq videobuf2_vmalloc videobuf2_memops videobuf2_core
mei_me videodev psmouse mei ppdev binfmt_misc arc4
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678538] snd_seq_device snd_timer
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678544] brcmsmac
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678550] bcma snd lpc_ich
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678551] cordic
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678557] ideapad_laptop
serio_raw lp
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678559] brcmutil
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678565] intel_ips sparse_keymap
soundcore
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678567] mac80211
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678573] parport mac_hid
microcode
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678575] cfg80211
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678581] i915 i2c_algo_bit
drm_kms_helper
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678583] snd_hda_codec_hdmi
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678590] drm r8169 ahci libahci
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678590] snd_hda_codec_conexant
snd_hda_intel intel_powerclamp
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678597] mii wmi video
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678605] snd_hda_codec<4>[
5929.678608] CPU: 0 PID: 15701 Comm: rtspin Not tainted
3.10.5-litmus-rt-april-155192-g5b50be0 #4
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678612] Hardware name: LENOVO
0679 /Base Board Product Name, BIOS
29CN38WW(V2.15) 01/28/2011
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678615] task: ffff8800a4900000
ti: ffff8800b6e04000 task.ti: ffff8800b6e04000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678629] RIP:
0010:[<ffffffff816eae19>] [<ffffffff816eae19>]
_raw_spin_unlock_irqrestore+0x19/0x50
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678632] RSP:
0018:ffff8800b6e05ea0 EFLAGS: 00000296
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678635] RAX: 0000000000000000
RBX: ffffffff816eadda RCX: 000000000000c670
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678638] RDX: 0000000000000000
RSI: 0000000000000296 RDI: 0000000000000296
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678641] RBP: ffff8800b6e05ea8
R08: 0000000000000000 R09: 0000000000000000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678644] R10: 0000000000000000
R11: 0000000000000293 R12: ffffffff81375b95
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678647] R13: ffff8800b6e05e28
R14: ffff8800a4900000 R15: ffff880137c1a900
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678651] FS:
00007f7bcd339740(0000) GS:ffff880137c00000(0000) knlGS:0000000000000000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678654] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678657] CR2: 00007fd7800bc000
CR3: 00000000a08a3000 CR4: 00000000000007f0
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678660] DR0: 0000000000000000
DR1: 0000000000000000 DR2: 0000000000000000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678663] DR3: 0000000000000000
DR6: 00000000ffff0ff0 DR7: 0000000000000400
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678665] Stack:
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678669] ffff8800a4900000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678671] coretemp
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678677] ffff8800b6e05ed8
ffffffff8108efef 0000000000000296
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678679] kvm_intel kvm joydev
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678685] ffff8800b6e05f20
00007fff42e06b78 ffff8800b6e05f60 ffff8800b6e05f08
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678695] ffffffff81081175
0000000000000000 ffff8800b6e05f08 ffffffff81080e70
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678705] Call Trace:
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678707] snd_hwdep
[<ffffffff8108efef>] task_sched_runtime+0x4f/0xa0
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678724] [<ffffffff81081175>]
cpu_clock_sample+0x65/0xa0
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678729] [<ffffffff81080e70>] ?
sample_to_timespec+0x50/0x60
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678735] [<ffffffff8108123c>]
posix_cpu_clock_get+0x8c/0x150
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678737] snd_pcm snd_page_alloc
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678741] [<ffffffff81081313>]
thread_cpu_clock_get+0x13/0x20
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678747] [<ffffffff8107f635>]
SyS_clock_gettime+0x45/0xa0
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678753] [<ffffffff816f2cdd>]
system_call_fastpath+0x1a/0x1f
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678761] Code: uvcvideo
snd_seq_midi snd_seq_midi_event
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678769] 5d c3 e8 0b
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678776] snd_rawmidi snd_seq
videobuf2_vmalloc videobuf2_memops videobuf2_core mei_me videodev psmouse
mei snd_seq_device snd_timer bcma snd lpc_ich ideapad_laptop serio_raw lp
intel_ips sparse_keymap soundcore parport mac_hid microcode i915
i2c_algo_bit drm_kms_helper drm r8169 ahci libahci mii wmi video
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678842] CPU: 1 PID: 15698 Comm:
rtspin Not tainted 3.10.5-litmus-rt-april-155192-g5b50be0 #4
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678845] Hardware name: LENOVO
0679 /Base Board Product Name, BIOS
29CN38WW(V2.15) 01/28/2011
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678848] task: ffff88012fe69870
ti: ffff8800612e0000 task.ti: ffff8800612e0000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678851] RIP:
0010:[<ffffffff816f2cbd>] [<ffffffff816f2cbd>]
system_call_after_swapgs+0x5a/0x60
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678858] RSP:
0018:ffff8800612e1f88 EFLAGS: 00000246
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678862] RAX: 00000000000000e4
RBX: 00000000fffffffe RCX: 00007fff765cc7d2
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678865] RDX: 00000000006091c0
RSI: 00007fff764cf2b0 RDI: 0000000000000003
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678868] RBP: 00007fff764cf290
R08: 0000000000000000 R09: 000000005364ef97
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678871] R10: 0000000000000001
R11: 0000000000000293 R12: ffff8800612e1f08
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678874] R13: ffff8800612e1fd8
R14: ffffffff81081175 R15: ffff8800612e1f08
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678877] FS:
00007ff4adcc5740(0000) GS:ffff880137c40000(0000) knlGS:0000000000000000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678880] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678883] CR2: 00007f12c0472be0
CR3: 00000000a2398000 CR4: 00000000000007e0
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678886] DR0: 0000000000000000
DR1: 0000000000000000 DR2: 0000000000000000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678889] DR3: 0000000000000000
DR6: 00000000ffff0ff0 DR7: 0000000000000400
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678891] Stack:
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678894] 0000000000000293
0000000000000001 000000005364ef97 0000000000000000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678903] 00000000000000e4
00000000000578d8 00000000006091c0 00007fff764cf2b0
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678913] 0000000000000003
00000000000000e4 00007fff765cc7d2 0000000000000033
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678922] Call Trace:
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678925] Code: ef ff ff 5d c3
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678935] 44 66 0f
May 3 15:31:13 lubdhok-lab kernel: [ 5929.678940] 24 20 4c 89 44 24 18 4c
89 4c 24 10 4c 89 54 24 08 4c 89 1c 24 48 89 44 24 48 48 89 4c 24 50 f7 84
24 88 e0 ff ff d1 01 08 10 <0f> 85 4b 01 00 00 25 ff ff ff bf 3d 1e 02 00
00 0f 87 c2 00 00
May 3 15:31:13 lubdhok-lab kernel: [ 5929.679051] 1f 84 00 00 00 00 00 66
66 66 66 90 55 48 89 e5 53 48 89 f3 e8 2e ab 95 ff 66 90 48 89 df 57 9d
<66> 66 90 66 90 bf 01 00 00 00 e8 48 40 00 00 65 48 8b 04 25 30
*May 3 15:31:13 lubdhok-lab kernel: [ 5929.692344] BUG: soft lockup -
CPU#2 stuck for 22s! [rtspin:15700]*
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692349] Modules linked in:
hid_generic usbhid hid ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter
ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables rfcomm
bnep bluetooth parport_pc ppdev binfmt_misc arc4 brcmsmac cordic brcmutil
mac80211 cfg80211 snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_intel
intel_powerclamp snd_hda_codec coretemp kvm_intel kvm joydev snd_hwdep
snd_pcm snd_page_alloc uvcvideo snd_seq_midi snd_seq_midi_event snd_rawmidi
snd_seq videobuf2_vmalloc videobuf2_memops videobuf2_core mei_me videodev
psmouse mei snd_seq_device snd_timer bcma snd lpc_ich ideapad_laptop
serio_raw lp intel_ips sparse_keymap soundcore parport mac_hid microcode
i915 i2c_algo_bit drm_kms_helper drm r8169 ahci libahci mii wmi video
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692509] CPU: 2 PID: 15700 Comm:
rtspin Not tainted 3.10.5-litmus-rt-april-155192-g5b50be0 #4
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692513] Hardware name: LENOVO
0679 /Base Board Product Name, BIOS
29CN38WW(V2.15) 01/28/2011
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692517] task: ffff8800a49061c0
ti: ffff8800a08dc000 task.ti: ffff8800a08dc000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692520] RIP:
0033:[<0000000000401d0b>] [<0000000000401d0b>] 0x401d0a
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692531] RSP:
002b:00007fff061516f0 EFLAGS: 00000212
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692534] RAX: 0000000000000000
RBX: ffffffff816f2cdd RCX: 000000000003d33d
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692538] RDX: 0000000000608280
RSI: 000000002e9e7770 RDI: 000000000003d33e
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692541] RBP: 00000000ffffffff
R08: 0000000000000000 R09: 000000005364ef97
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692545] R10: 0000000000000002
R11: 0000000000000002 R12: 0000000007a70000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692548] R13: 00000000313d1031
R14: 0000000000000002 R15: ffffffff8107f659
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692552] FS:
00007fafa3cca740(0000) GS:ffff880137c80000(0000) knlGS:0000000000000000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692556] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692559] CR2: 00007f26500d0000
CR3: 00000000a0c62000 CR4: 00000000000007e0
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692562] DR0: 0000000000000000
DR1: 0000000000000000 DR2: 0000000000000000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692566] DR3: 0000000000000000
DR6: 00000000ffff0ff0 DR7: 0000000000000400
May 3 15:31:13 lubdhok-lab kernel: [ 5929.692568]
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706347] BUG: soft lockup - CPU#3
stuck for 22s! [rtspin:15713]
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706351] Modules linked in:
hid_generic usbhid hid ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter
ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables rfcomm
bnep bluetooth parport_pc ppdev binfmt_misc arc4 brcmsmac cordic brcmutil
mac80211 cfg80211 snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_intel
intel_powerclamp snd_hda_codec coretemp kvm_intel kvm joydev snd_hwdep
snd_pcm snd_page_alloc uvcvideo snd_seq_midi snd_seq_midi_event snd_rawmidi
snd_seq videobuf2_vmalloc videobuf2_memops videobuf2_core mei_me videodev
psmouse mei snd_seq_device snd_timer bcma snd lpc_ich ideapad_laptop
serio_raw lp intel_ips sparse_keymap soundcore parport mac_hid microcode
i915 i2c_algo_bit drm_kms_helper drm r8169 ahci libahci mii wmi video
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706506] CPU: 3 PID: 15713 Comm:
rtspin Not tainted 3.10.5-litmus-rt-april-155192-g5b50be0 #4
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706510] Hardware name: LENOVO
0679 /Base Board Product Name, BIOS
29CN38WW(V2.15) 01/28/2011
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706514] task: ffff8800b6c00000
ti: ffff88002ad10000 task.ti: ffff88002ad10000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706517] RIP:
0033:[<0000000000401d09>] [<0000000000401d09>] 0x401d08
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706525] RSP:
002b:00007fff81a0f440 EFLAGS: 00000206
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706528] RAX: 0000000000000000
RBX: ffffffff816f2cdd RCX: 00000000000513f2
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706532] RDX: 0000000000606c14
RSI: 00000000216733e8 RDI: 00000000000513f3
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706535] RBP: 00000000ffffffff
R08: 0000000000000000 R09: 000000005364ef97
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706538] R10: 0000000000000003
R11: 0000000000000003 R12: 000000007a8dc000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706542] R13: 000000002d2f92d9
R14: 0000000000000003 R15: ffffffff8107f659
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706546] FS:
00007f257d6e5740(0000) GS:ffff880137cc0000(0000) knlGS:0000000000000000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706550] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706553] CR2: 00007f5264f35328
CR3: 00000000a0896000 CR4: 00000000000007e0
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706556] DR0: 0000000000000000
DR1: 0000000000000000 DR2: 0000000000000000
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706560] DR3: 0000000000000000
DR6: 00000000ffff0ff0 DR7: 0000000000000400
May 3 15:31:13 lubdhok-lab kernel: [ 5929.706562]
May 3 15:31:13 lubdhok-lab kernel: [ 5937.897291] Disabling feather-trace
event 100.
May 3 15:31:13 lubdhok-lab kernel: [ 5937.897297] ft_disable_event:
disabled 1 events
May 3 15:31:13 lubdhok-lab kernel: [ 5937.897299] Disabling feather-trace
event 101.
May 3 15:31:13 lubdhok-lab kernel: [ 5937.897301] ft_disable_event:
disabled 2 events
May 3 15:31:13 lubdhok-lab kernel: [ 5937.897303] Disabling feather-trace
event 106.
May 3 15:31:13 lubdhok-lab kernel: [ 5937.897305] ft_disable_event:
disabled 1 events
May 3 15:31:13 lubdhok-lab kernel: [ 5937.897308] Disabling feather-trace
event 107.
May 3 15:31:13 lubdhok-lab kernel: [ 5937.897310] ft_disable_event:
disabled 1 events
May 3 15:31:13 lubdhok-lab kernel: [ 5937.897312] Disabling feather-trace
event 102.
Thanks in advance
Sanjib
On Sat, May 3, 2014 at 4:36 PM, Sanjib Das <cnt.sanjib at googlemail.com>wrote:
> Hi Glenn,
>
> I have managed to generate the the experimental test cases and also parse
> and plot it for G-EDF,P-EDF and C-EDF with the flowing command
> :./gen_exps.py -f tasks=5,10,15,20,25 cpus=2 release_master=False P-EDF
> G-EDF C-EDF
> and also with
> ./gen_exps.py -f tasks=`seq -s, 10 2 50` cpus=2 release_master=False P-EDF
> G-EDF C-EDF
> ./gen_exps.py -f tasks=`seq -s, 5 5 50` cpus=2 release_master=False P-EDF
> G-EDF C-EDF
>
> Bu the strange thing where I am getting lost that when I generate the
> tasksets with
>
> ./gen_exps.py -f tasks=`seq -s, 5 5 100` cpus=2 release_master=False P-EDF
> G-EDF C-EDF
> my system stalls like as default (previous email).
>
> Can you please give me some clue..?
> Thanks in Advance
>
> Sanjib
>
>
>
> On Fri, May 2, 2014 at 11:28 PM, Sanjib Das <cnt.sanjib at googlemail.com>wrote:
>
>> Hi Glenn,
>> Thank you very much for the suggestion. But before need another
>> suggestion :
>> I got this output by generating experiment with default values and the
>> run script could not make it simulate.
>>
>> root at lubdhok-*lab:~/littest/experiment-scripts# ./gen_exps.py *
>> Creating experiments with G-EDF generator...
>> Creating experiments with P-EDF generator...
>> Creating experiments with C-EDF generator...
>> Experiments saved in /home/sdas/littest/experiment-scripts/exps.
>> *root at lubdhok-lab:~/littest/experiment-scripts# ./run_exps.py *
>> Reading schedules from exps/*.
>> [Exp GSN-EDF_tasks=16_release-master=False]: Loading experiment 1 of 28.
>> [Exp GSN-EDF_tasks=16_release-master=False]: Enabling Logger
>> [Exp GSN-EDF_tasks=16_release-master=False]: Writing 0 proc entries
>> [Exp GSN-EDF_tasks=16_release-master=False]: Starting 1 regular tracers
>> [Exp GSN-EDF_tasks=16_release-master=False]: Switching to GSN-EDF
>> [Exp GSN-EDF_tasks=16_release-master=False]: Starting 16 tasks
>> [Exp GSN-EDF_tasks=16_release-master=False]: Sleeping until tasks are
>> ready for release...
>> [Exp GSN-EDF_tasks=16_release-master=False]: Starting 0 released tracers
>> [Exp GSN-EDF_tasks=16_release-master=False]: Releasing 16 tasks
>> [Exp GSN-EDF_tasks=16_release-master=False]: Waiting for program to
>> finish...
>> [Exp GSN-EDF_tasks=16_release-master=False]: Stopping exact tracers
>> [Exp GSN-EDF_tasks=16_release-master=False]: Saving results in
>> /home/sdas/littest/experiment-scripts/run-data/sched=GSN-EDF_tasks=16_release-master=False
>> [Exp GSN-EDF_tasks=16_release-master=False]: Stopping regular tracers
>> [Exp GSN-EDF_tasks=16_release-master=False]: Switching back to Linux
>> scheduler
>> [Exp GSN-EDF_tasks=16_release-master=False]: Experiment done!
>> [Exp C-EDF_tasks=8_release-master=True]: Loading experiment 2 of 28.
>> [Exp C-EDF_tasks=8_release-master=True]: Enabling Logger
>> [Exp C-EDF_tasks=8_release-master=True]: Writing 2 proc entries
>> [Exp C-EDF_tasks=8_release-master=True]: Starting 1 regular tracers
>> [Exp C-EDF_tasks=8_release-master=True]: Switching to C-EDF
>> [Exp C-EDF_tasks=8_release-master=True]: Starting 8 tasks
>> [Exp C-EDF_tasks=8_release-master=True]: Sleeping until tasks are ready
>> for release...
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *Non-zero return 234: /home/sdas/littest/liblitmus/rtspin -w -p 3 34 100
>> 30 Non-zero return 234: /home/sdas/littest/liblitmus/rtspin -w -p 3 13 50
>> 30[Exp C-EDF_tasks=8_release-master=True]: Re-released 6 tasks[Exp
>> C-EDF_tasks=8_release-master=True]: Killing all tasks[Exp
>> C-EDF_tasks=8_release-master=True]: Stopping regular tracers [Exp
>> C-EDF_tasks=8_release-master=True]: Switching back to Linux schedulerecho:
>> write error: Device or resource busyFailed experiment
>> C-EDF_tasks=8_release-master=TrueTask 0 failed with status: 234Task 0
>> failed with status: 234*
>> Check dmesg, tmp/exec-out.txt, and tmp/exec-err.txt
>> [Exp PSN-EDF_tasks=4_release-master=False]: Loading experiment 3 of 28.
>> [Exp PSN-EDF_tasks=4_release-master=False]: Switching back to Linux
>> scheduler
>> echo: write error: Device or resource busy
>> System is corrupted! Fix state before continuing.
>> Scheduler is C-EDF, cannot switch to Linux!
>> 6 real-time tasks still running!
>> no crontab for root
>> Experiments ran: 3 of 28
>> Successful: 1
>> Failed: 2
>> Already Done: 0
>> Invalid Environment: 0
>> Successful experiment data saved in run-data.
>> root at lubdhok-lab:~/littest/experiment-scripts#
>>
>>
>> And always I have to reboot my OS kubuntu (root at lubdhok-lab:~/littest/experiment-scripts#
>> uname -a
>> Linux lubdhok-lab 3.10.5-litmus-rt-155192-g5b50be0 #3 SMP PREEMPT Fri Apr
>> 25 11:09:11 CEST 2014 x86_64 x86_64 x86_64 GNU/Linux)
>>
>> Thanks in advance
>> Sanjib
>>
>>
>>
>> On Tue, Apr 22, 2014 at 6:06 PM, Glenn Elliott <gelliott at cs.unc.edu>wrote:
>>
>>>
>>> On Apr 22, 2014, at 8:15 AM, Sanjib Das <cnt.sanjib at googlemail.com>
>>> wrote:
>>>
>>> Dear Everyone,
>>>
>>> I am using the experiment script from the following link
>>> https://github.com/LITMUS-RT/experiment-scripts to generate the
>>> synthetic tasks and was able to simulate for PSN-EDF.
>>>
>>> Can anyone help me how can I generate a reasonable about of taskset for
>>> simulation using PFAIR scheduling algorithm(Implementation of the PD^2
>>> pfair scheduling algorithm. This implementation realizes "early releasing),
>>> provided in LIRMUS-RT version 2013.1.
>>>
>>> I would be glade with any information that leads me to simulate the
>>> mentioned algorithm above.
>>>
>>> Regards
>>> Sanjib
>>>
>>>
>>>
>>> Hi Sanjib,
>>>
>>> In response to your other email on the availability of PFAIR, it’s in
>>> the latest Litmus kernel (code:
>>> https://github.com/LITMUS-RT/litmus-rt/blob/master/litmus/sched_pfair.c).
>>> Just make sure that you properly configure the kernel at compile-time to
>>> get it. As you might see in litmus/Kconfig (
>>> https://github.com/LITMUS-RT/litmus-rt/blob/master/litmus/Kconfig#L15),
>>> CONFIG_HIGH_RES_TIMERS and CONFIG_HZ_PERIODIC must be set and CONFIG_HZ
>>> must == 1000.
>>>
>>> Regarding the experiment-scripts, currently there are no task-set
>>> generators for pfair. I believe you could quickly copy and modify the
>>> C-EDF generator to create task sets for pfair (this is because the pfair
>>> plugin can be clustered along cache-level boundaries, just like C-EDF).
>>>
>>> My suggestion:
>>> Step 1: Replicate the CedfGenerator (
>>> https://github.com/LITMUS-RT/experiment-scripts/blob/master/gen/edf_generators.py#75),
>>> naming it CpfairGenerator or some such, and make the appropriate changes to
>>> make it use pfair.
>>> Step 2: Add your new generator to gen/__init__.py (
>>> https://github.com/LITMUS-RT/experiment-scripts/blob/master/gen/__init__.py
>>> )
>>> Step 3: I think that’s it. You should be able to follow the tutorial
>>> for gen_exps.py here: https://github.com/LITMUS-RT/experiment-scripts
>>>
>>> These changes should take more than 30 minutes to add and test (assuming
>>> that I haven’t missed anything). I’d be happy to accept a patch that adds
>>> pfair functionality.
>>>
>>> -Glenn
>>>
>>> _______________________________________________
>>> litmus-dev mailing list
>>> litmus-dev at lists.litmus-rt.org
>>> https://lists.litmus-rt.org/listinfo/litmus-dev
>>>
>>>
>>
>
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