+ echo '===== instance-type ====='
===== instance-type =====
++ curl -sX PUT http://169.254.169.254/latest/api/token -H 'X-aws-ec2-metadata-token-ttl-seconds: 300'
+ TOKEN=AQAEAO8kxScGxMoWpJfBewU0Jl3NK3fhHa0anp-5sZdyxGU-0CbqXg==
+ curl -s -H 'X-aws-ec2-metadata-token: AQAEAO8kxScGxMoWpJfBewU0Jl3NK3fhHa0anp-5sZdyxGU-0CbqXg==' http://169.254.169.254/latest/meta-data/instance-type
m8a.large+ echo

+ echo '===== uname ====='
===== uname =====
+ uname -a
Linux ip-172-31-92-195 6.17.0-1019-aws #19~24.04.1-Ubuntu SMP Tue Jun 23 18:53:06 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux
+ echo '===== lscpu ====='
===== lscpu =====
+ lscpu
Architecture:                            x86_64
CPU op-mode(s):                          32-bit, 64-bit
Address sizes:                           48 bits physical, 48 bits virtual
Byte Order:                              Little Endian
CPU(s):                                  2
On-line CPU(s) list:                     0,1
Vendor ID:                               AuthenticAMD
BIOS Vendor ID:                          Advanced Micro Devices, Inc.
Model name:                              AMD EPYC 9R45
BIOS Model name:                         AMD EPYC 9R45  CPU @ 2.6GHz
BIOS CPU family:                         107
CPU family:                              26
Model:                                   2
Thread(s) per core:                      1
Core(s) per socket:                      2
Socket(s):                               1
Stepping:                                1
BogoMIPS:                                5199.99
Flags:                                   fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology nonstop_tsc cpuid extd_apicid aperfmperf tsc_known_freq pni pclmulqdq monitor ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy cr8_legacy abm sse4a misalignsse 3dnowprefetch topoext perfctr_core ssbd perfmon_v2 ibrs ibpb stibp ibrs_enhanced vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid avx512f avx512dq rdseed adx smap avx512ifma clflushopt clwb avx512cd sha_ni avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves avx_vnni avx512_bf16 clzero xsaveerptr rdpru wbnoinvd arat avx512vbmi pku ospke avx512_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg avx512_vpopcntdq rdpid movdiri movdir64b fsrm avx512_vp2intersect flush_l1d
Hypervisor vendor:                       KVM
Virtualization type:                     full
L1d cache:                               96 KiB (2 instances)
L1i cache:                               64 KiB (2 instances)
L2 cache:                                2 MiB (2 instances)
L3 cache:                                8 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0,1
Vulnerability Gather data sampling:      Not affected
Vulnerability Ghostwrite:                Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Old microcode:             Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Mitigation; IBPB on VMEXIT only
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; Enhanced / Automatic IBRS; IBPB conditional; STIBP disabled; PBRSB-eIBRS Not affected; BHI Not affected
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected
+ echo '===== lscpu-cache ====='
===== lscpu-cache =====
+ lscpu -C
NAME ONE-SIZE ALL-SIZE WAYS TYPE        LEVEL  SETS PHY-LINE COHERENCY-SIZE
L1d       48K      96K   12 Data            1    64        1             64
L1i       32K      64K    8 Instruction     1    64        1             64
L2         1M       2M   16 Unified         2  1024        1             64
L3         8M       8M    4 Unified         3 32768        1             64
+ echo '===== cpuinfo ====='
===== cpuinfo =====
+ head -40 /proc/cpuinfo
processor	: 0
vendor_id	: AuthenticAMD
cpu family	: 26
model		: 2
model name	: AMD EPYC 9R45
stepping	: 1
microcode	: 0xb002162
cpu MHz		: 4295.287
cache size	: 1024 KB
physical id	: 0
siblings	: 2
core id		: 0
cpu cores	: 2
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 16
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology nonstop_tsc cpuid extd_apicid aperfmperf tsc_known_freq pni pclmulqdq monitor ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy cr8_legacy abm sse4a misalignsse 3dnowprefetch topoext perfctr_core ssbd perfmon_v2 ibrs ibpb stibp ibrs_enhanced vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid avx512f avx512dq rdseed adx smap avx512ifma clflushopt clwb avx512cd sha_ni avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves avx_vnni avx512_bf16 clzero xsaveerptr rdpru wbnoinvd arat avx512vbmi pku ospke avx512_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg avx512_vpopcntdq rdpid movdiri movdir64b fsrm avx512_vp2intersect flush_l1d
bugs		: sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass srso ibpb_no_ret spectre_v2_user
bogomips	: 5199.99
TLB size	: 192 4K pages
clflush size	: 64
cache_alignment	: 64
address sizes	: 48 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: AuthenticAMD
cpu family	: 26
model		: 2
model name	: AMD EPYC 9R45
stepping	: 1
microcode	: 0xb002162
cpu MHz		: 4295.748
cache size	: 1024 KB
physical id	: 0
siblings	: 2
core id		: 1
+ echo '===== THP ====='
===== THP =====
+ cat /sys/kernel/mm/transparent_hugepage/enabled
always [madvise] never
+ echo '===== meminfo ====='
===== meminfo =====
+ head -5 /proc/meminfo
MemTotal:        7942192 kB
MemFree:         6268592 kB
MemAvailable:    7133664 kB
Buffers:           40756 kB
Cached:          1039380 kB
+ echo '===== dmidecode-memory ====='
===== dmidecode-memory =====
+ dmidecode -t memory
# dmidecode 3.5
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.

Handle 0x0008, DMI type 16, 23 bytes
Physical Memory Array
	Location: System Board Or Motherboard
	Use: System Memory
	Error Correction Type: Unknown
	Maximum Capacity: 8 GB
	Error Information Handle: Not Provided
	Number Of Devices: 1

Handle 0x0009, DMI type 17, 34 bytes
Memory Device
	Array Handle: 0x0008
	Error Information Handle: Not Provided
	Total Width: 80 bits
	Data Width: 64 bits
	Size: 8 GB
	Form Factor: DIMM
	Set: None
	Locator: Not Specified
	Bank Locator: Not Specified
	Type: DDR5
	Type Detail: Unknown Fast-paged RAMBus Window DRAM
	Speed: 6400 MT/s
	Manufacturer: Not Specified
	Serial Number: Not Specified
	Asset Tag: Not Specified
	Part Number: Not Specified
	Rank: Unknown
	Configured Memory Speed: Unknown

+ echo '===== dmidecode-processor ====='
===== dmidecode-processor =====
+ dmidecode -t processor
# dmidecode 3.5
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.

Handle 0x0004, DMI type 4, 42 bytes
Processor Information
	Socket Designation: CPU 0
	Type: Central Processor
	Family: Zen
	Manufacturer: Advanced Micro Devices, Inc.
	ID: 21 0F B0 00 FF FB 8B 17
	Signature: Family 26, Model 2, Stepping 1
	Flags:
		FPU (Floating-point unit on-chip)
		VME (Virtual mode extension)
		DE (Debugging extension)
		PSE (Page size extension)
		TSC (Time stamp counter)
		MSR (Model specific registers)
		PAE (Physical address extension)
		MCE (Machine check exception)
		CX8 (CMPXCHG8 instruction supported)
		APIC (On-chip APIC hardware supported)
		SEP (Fast system call)
		MTRR (Memory type range registers)
		PGE (Page global enable)
		MCA (Machine check architecture)
		CMOV (Conditional move instruction supported)
		PAT (Page attribute table)
		PSE-36 (36-bit page size extension)
		CLFSH (CLFLUSH instruction supported)
		MMX (MMX technology supported)
		FXSR (FXSAVE and FXSTOR instructions supported)
		SSE (Streaming SIMD extensions)
		SSE2 (Streaming SIMD extensions 2)
		HTT (Multi-threading)
	Version: AMD EPYC 9R45
	Voltage: 0.9 V
	External Clock: 100 MHz
	Max Speed: 4500 MHz
	Current Speed: 2600 MHz
	Status: Populated, Enabled
	Upgrade: <OUT OF SPEC>
	L1 Cache Handle: 0x0005
	L2 Cache Handle: 0x0006
	L3 Cache Handle: 0x0007
	Serial Number: Not Specified
	Asset Tag: Not Specified
	Part Number: Not Specified
	Core Count: 2
	Core Enabled: 2
	Thread Count: 2
	Characteristics:
		64-bit capable
		Multi-Core
		Execute Protection

+ echo '===== dmidecode-system ====='
===== dmidecode-system =====
+ dmidecode -t system
# dmidecode 3.5
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.

Handle 0x0001, DMI type 1, 27 bytes
System Information
	Manufacturer: Amazon EC2
	Product Name: m8a.large
	Version: Not Specified
	Serial Number: ec2331dc-2e47-08bd-fd5e-9f9b0d024cb7
	UUID: ec2331dc-2e47-08bd-fd5e-9f9b0d024cb7
	Wake-up Type: Power Switch
	SKU Number: Not Specified
	Family: Not Specified

+ echo '===== dmidecode-bios ====='
===== dmidecode-bios =====
+ dmidecode -t bios
# dmidecode 3.5
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
	Vendor: Amazon EC2
	Version: 1.0
	Release Date: 10/16/2017
	Address: 0xF0000
	Runtime Size: 64 kB
	ROM Size: 64 kB
	Characteristics:
		PCI is supported
		EDD is supported
		ACPI is supported
		Targeted content distribution is supported
		System is a virtual machine
	BIOS Revision: 1.0

+ echo '===== lshw-memory ====='
===== lshw-memory =====
+ lshw -short -c memory
H/W path       Device           Class          Description
==========================================================
/0/1                            memory         64KiB BIOS
/0/4/5                          memory         7680KiB L1 cache
/0/4/6                          memory         96MiB L2 cache
/0/4/7                          memory         384MiB L3 cache
/0/8                            memory         8GiB System Memory
/0/8/0                          memory         8GiB DIMM Fast-paged RAMBUS Window DRAM 6400 MHz (0.2 ns)
+ echo '===== numactl ====='
===== numactl =====
+ numactl -H
available: 1 nodes (0)
node 0 cpus: 0 1
node 0 size: 7756 MB
node 0 free: 6120 MB
node distances:
node   0 
  0:  10 
+ echo '===== cpu-freq ====='
===== cpu-freq =====
+ cat /proc/cpuinfo
+ grep -i mhz
cpu MHz		: 4152.412
cpu MHz		: 4159.604
