AMD protsessor: erinevus redaktsioonide vahel

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|===Sissejuhatus===
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===Sissejuhatus===
   
 
TODO
  
TODO
104. rida: 104. rida:
   
 
====Kiirus (sagedus)====
  
====Kiirus (sagedus)====
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Protsessori omaduste vaatlemine
   
 
<pre>
  
<pre>
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root@pve-svc-02:~# turbostat
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turbostat version 2022.10.04 - Len Brown <lenb@kernel.org>
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Kernel command line: initrd=\EFI\proxmox\6.8.12-11-pve\initrd.img-6.8.12-11-pve root=ZFS=rpool/ROOT/pve-1 boot=zfs
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CPUID(0): AuthenticAMD 0x10 CPUID levels
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CPUID(1): family:model:stepping 0x19:50:0 (25:80:0) microcode 0x0
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CPUID(0x80000000): max_extended_levels: 0x80000023
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CPUID(1): SSE3 MONITOR - - - TSC MSR - HT -
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CPUID(6): APERF, No-TURBO, No-DTS, No-PTM, No-HWP, No-HWPnotify, No-HWPwindow, No-HWPepp, No-HWPpkg, No-EPB
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CPUID(7): No-SGX No-Hybrid
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RAPL: 234 sec. Joule Counter Range, at 280 Watts
  +
/dev/cpu_dma_latency: 2000000000 usec (default)
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current_driver: acpi_idle
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current_governor: menu
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current_governor_ro: menu
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cpu9: POLL: CPUIDLE CORE POLL IDLE
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cpu9: C1: ACPI FFH MWAIT 0x0
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cpu9: C2: ACPI IOPORT 0x414
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cpu9: C3: ACPI IOPORT 0x415
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cpu9: cpufreq driver: amd-pstate-epp
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cpu9: cpufreq governor: powersave
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cpu0: MSR_RAPL_PWR_UNIT: 0x000a1003 (0.125000 Watts, 0.000015 Joules, 0.000977 sec.)
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Core CPU Avg_MHz Busy% Bzy_MHz TSC_MHz IPC IRQ POLL C1 C2 C3 POLL% C1% C2% C3% CorWatt PkgWatt
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- - 10 0.35 2944 3593 0.71 2318 0 248 494 1334 0.00 0.13 0.66 98.87 0.12 4.66
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0 0 35 1.18 2944 3593 0.81 417 0 34 136 202 0.00 0.21 1.70 96.95 0.04 4.66
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0 6 8 0.27 2944 3593 0.36 217 0 12 31 149 0.00 0.17 0.28 99.30
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1 1 5 0.18 2944 3593 0.46 173 0 1 17 137 0.00 0.02 0.24 99.57 0.02
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1 7 11 0.37 2944 3593 0.83 214 0 89 55 50 0.00 0.13 0.43 99.08
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2 2 20 0.69 2944 3593 0.72 251 0 17 53 155 0.00 0.16 0.69 98.45 0.03
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2 8 6 0.19 2944 3593 0.34 199 0 28 22 136 0.00 0.48 0.25 99.10
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3 3 14 0.47 2944 3593 0.90 170 0 1 46 90 0.00 0.00 3.25 96.29 0.01
  +
3 9 5 0.18 2944 3593 0.34 176 0 34 24 106 0.00 0.03 0.30 99.51
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4 4 9 0.32 2944 3593 0.85 193 0 11 28 119 0.00 0.16 0.24 99.30 0.01
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4 10 1 0.04 2943 3593 0.34 97 0 6 60 28 0.00 0.10 0.37 99.49
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5 5 8 0.28 2944 3593 0.77 158 0 15 19 114 0.00 0.05 0.20 99.49 0.01
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5 11 2 0.06 2944 3593 0.60 53 0 0 3 48 0.00 0.00 0.01 99.94
   
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..
 
</pre>
  
</pre>
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kus
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* TODO
   
 
===Kasulikud materjalid===
  
===Kasulikud materjalid===

Redaktsioon: 11. oktoober 2025, kell 17:47

Sissejuhatus

TODO

Mõisted

TODO

AMD protsessorid

TODO

Süsteemi protsessori omaduste muutmine

Protsessorite arv

root@pwrk-02:~# lscpu
Architecture:             x86_64
  CPU op-mode(s):         32-bit, 64-bit
  Address sizes:          52 bits physical, 57 bits virtual
  Byte Order:             Little Endian
CPU(s):                   4
  On-line CPU(s) list:    0,1
  Off-line CPU(s) list:   2,3
Vendor ID:                AuthenticAMD
  BIOS Vendor ID:         QEMU
  Model name:             AMD Ryzen Threadripper PRO 7965WX 24-Cores
    BIOS Model name:      pc-q35-10.0  CPU @ 2.0GHz
    BIOS CPU family:      1
    CPU family:           25
    Model:                24
...

kus

  • On-line CPU(s) list: 0,1
  • Off-line CPU(s) list: 2,3

muudatuse tegemiseks sobib öelda 

root@pwrk-02:~# echo 0 > /sys/devices/system/cpu/cpu3/online
root@pwrk-02:~# echo 0 > /sys/devices/system/cpu/cpu2/online

# dmesg -T
...

[Sat Oct 11 14:39:56 2025] smpboot: CPU 3 is now offline
[Sat Oct 11 14:40:00 2025] smpboot: CPU 2 is now offline

Tagasi lülitamiseks 

root@pwrk-02:~# echo 1 > /sys/devices/system/cpu/cpu2/online
root@pwrk-02:~# echo 1 > /sys/devices/system/cpu/cpu3/online

# dmesg -T
...

[Sat Oct 11 14:42:33 2025] smpboot: Booting Node 0 Processor 2 APIC 0x2
[Sat Oct 11 14:42:39 2025] smpboot: Booting Node 0 Processor 3 APIC 0x3

Muudatus kajastub samuti nt systool väljundis 

root@pwrk-02:~# systool -b cpu -v | grep -v ^MODA
Bus = "cpu"

  Device = "cpu0"
  Device path = "/sys/devices/system/cpu/cpu0"
    crash_notes_size    = "368"
    crash_notes         = "277c3e400"
    uevent              = "DRIVER=processor
"

  Device = "cpu1"
  Device path = "/sys/devices/system/cpu/cpu1"
    crash_notes_size    = "368"
    crash_notes         = "277cbe400"
    online              = "1"
    uevent              = "DRIVER=processor
"

  Device = "cpu2"
  Device path = "/sys/devices/system/cpu/cpu2"
    crash_notes_size    = "368"
    crash_notes         = "277d3e400"
    online              = "1"
    uevent              = "DRIVER=processor
"

  Device = "cpu3"
  Device path = "/sys/devices/system/cpu/cpu3"
    crash_notes_size    = "368"
    crash_notes         = "277dbe400"
    online              = "1"
    uevent              = "DRIVER=processor
"

Kiirus (sagedus)

Protsessori omaduste vaatlemine 

root@pve-svc-02:~# turbostat
turbostat version 2022.10.04 - Len Brown <lenb@kernel.org>
Kernel command line: initrd=\EFI\proxmox\6.8.12-11-pve\initrd.img-6.8.12-11-pve root=ZFS=rpool/ROOT/pve-1 boot=zfs
CPUID(0): AuthenticAMD 0x10 CPUID levels
CPUID(1): family:model:stepping 0x19:50:0 (25:80:0) microcode 0x0
CPUID(0x80000000): max_extended_levels: 0x80000023
CPUID(1): SSE3 MONITOR - - - TSC MSR - HT -
CPUID(6): APERF, No-TURBO, No-DTS, No-PTM, No-HWP, No-HWPnotify, No-HWPwindow, No-HWPepp, No-HWPpkg, No-EPB
CPUID(7): No-SGX No-Hybrid
RAPL: 234 sec. Joule Counter Range, at 280 Watts
/dev/cpu_dma_latency: 2000000000 usec (default)
current_driver: acpi_idle
current_governor: menu
current_governor_ro: menu
cpu9: POLL: CPUIDLE CORE POLL IDLE
cpu9: C1: ACPI FFH MWAIT 0x0
cpu9: C2: ACPI IOPORT 0x414
cpu9: C3: ACPI IOPORT 0x415
cpu9: cpufreq driver: amd-pstate-epp
cpu9: cpufreq governor: powersave
cpu0: MSR_RAPL_PWR_UNIT: 0x000a1003 (0.125000 Watts, 0.000015 Joules, 0.000977 sec.)
Core	CPU	Avg_MHz	Busy%	Bzy_MHz	TSC_MHz	IPC	IRQ	POLL	C1	C2	C3	POLL%	C1%	C2%	C3%	CorWatt	PkgWatt
-	-	10	0.35	2944	3593	0.71	2318	0	248	494	1334	0.00	0.13	0.66	98.87	0.12	4.66
0	0	35	1.18	2944	3593	0.81	417	0	34	136	202	0.00	0.21	1.70	96.95	0.04	4.66
0	6	8	0.27	2944	3593	0.36	217	0	12	31	149	0.00	0.17	0.28	99.30
1	1	5	0.18	2944	3593	0.46	173	0	1	17	137	0.00	0.02	0.24	99.57	0.02
1	7	11	0.37	2944	3593	0.83	214	0	89	55	50	0.00	0.13	0.43	99.08
2	2	20	0.69	2944	3593	0.72	251	0	17	53	155	0.00	0.16	0.69	98.45	0.03
2	8	6	0.19	2944	3593	0.34	199	0	28	22	136	0.00	0.48	0.25	99.10
3	3	14	0.47	2944	3593	0.90	170	0	1	46	90	0.00	0.00	3.25	96.29	0.01
3	9	5	0.18	2944	3593	0.34	176	0	34	24	106	0.00	0.03	0.30	99.51
4	4	9	0.32	2944	3593	0.85	193	0	11	28	119	0.00	0.16	0.24	99.30	0.01
4	10	1	0.04	2943	3593	0.34	97	0	6	60	28	0.00	0.10	0.37	99.49
5	5	8	0.28	2944	3593	0.77	158	0	15	19	114	0.00	0.05	0.20	99.49	0.01
5	11	2	0.06	2944	3593	0.60	53	0	0	3	48	0.00	0.00	0.01	99.94

..

kus

  • TODO

Kasulikud materjalid

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