lshw

Présentation de l’outil

lshw pour list hardware est un utilitaire qui permet de générer des informations détaillées sur la configuration matérielle du système. Pour cela il se base sur divers fichiers du répertoire /proc.

L’utilitaire doit être lancé en étant root ou avec sudo, autrement les informations récupérées ne seront que partielles. Un message d’alerte est alors remonté :

WARNING: output may be incomplete or inaccurate, you should run this program as super-user.

Installation

Debian/Ubuntu

sudo apt install -y lshw

RHEL/RockyLinux

sudo nf install -y lshw

Exemples d’utilisation

Informations CPU

# lshw -c cpu
  *-cpu                     
       description: CPU
       product: 12th Gen Intel(R) Core(TM) i5-1235U
       vendor: Intel Corp.
       physical id: 1a
       bus info: cpu@0
       version: 6.154.4
       serial: None
       slot: U3E1
       size: 4384MHz
       capacity: 4400MHz
       width: 64 bits
       clock: 100MHz
       capabilities: lm fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp x86-64 constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l2 cdp_l2 ssbd ibrs ibpb stibp ibrs_enhanced fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid rdt_a rdseed adx smap clflushopt clwb intel_pt sha_ni xsaveopt xsavec xgetbv1 xsaves split_lock_detect avx_vnni dtherm arat pln pts hwp hwp_notify hwp_act_window hwp_epp hwp_pkg_req hfi umip pku ospke waitpkg gfni vaes vpclmulqdq rdpid movdiri movdir64b fsrm md_clear serialize arch_lbr ibt flush_l1d arch_capabilities cpufreq
       configuration: cores=10 enabledcores=10 microcode=1068 threads=12

Informations mémoire

lshw -c memory
  *-memory                  
       description: System Memory
       physical id: 1
       slot: System board or motherboard
       size: 16GiB
     *-bank:0
          description: SODIMM DDR4 Synchronous 3200 MHz (0,3 ns)
          product: M471A1G44BB0-CWE
          vendor: Samsung
          physical id: 0
          serial: 341B347C
          slot: Controller0-ChannelA-DIMM0
          size: 8GiB
          width: 64 bits
          clock: 3200MHz (0.3ns)

     ...

     *-bank:4
          description: SODIMM DDR4 Synchronous 3200 MHz (0,3 ns)
          product: MT40A1G16RC-062E:B
          vendor: Micron Technology
          physical id: 4
          serial: 00000000
          slot: Controller1-ChannelA
          size: 8GiB
          width: 64 bits
          clock: 3200MHz (0.3ns)
  *-cache:0
       description: L1 cache
       physical id: 12
       slot: L1 Cache
       size: 96KiB
       capacity: 96KiB
       capabilities: synchronous internal write-back data
       configuration: level=1

  ...

  *-cache:2
       description: L2 cache
       physical id: 14
       slot: L2 Cache
       size: 2560KiB
       capacity: 2560KiB
       capabilities: synchronous internal write-back unified
       configuration: level=2

  ...

  *-cache:3
       description: L3 cache
       physical id: 15
       slot: L3 Cache
       size: 12MiB
       capacity: 12MiB
       capabilities: synchronous internal write-back unified
       configuration: level=3
  *-memory UNCLAIMED
       description: RAM memory
       product: Alder Lake PCH Shared SRAM
       vendor: Intel Corporation
       physical id: 14.2
       bus info: pci@0000:00:14.2
       version: 01
       width: 64 bits
       clock: 33MHz (30.3ns)
       capabilities: pm cap_list
       configuration: latency=0
       resources: iomemory:600-5ff iomemory:600-5ff memory:601d1d0000-601d1d3fff memory:601d1d8000-601d1d8fff

Informations disques

# lshw -c disk
  *-namespace:0             
       description: NVMe disk
       physical id: 0
       logical name: hwmon2
  *-namespace:1
       description: NVMe disk
       physical id: 2
       logical name: ng0n1
  *-namespace:2
       description: NVMe disk
       physical id: 1
       bus info: nvme@0:1
       logical name: nvme0n1
       configuration: wwid=eui.044a5012609251cc

Informations des cartes réseau

# lshw -c network
  *-network:0               
       description: Network controller
       product: Alder Lake-P PCH CNVi WiFi
       vendor: Intel Corporation
       physical id: 14.3
       bus info: pci@0000:00:14.3
       version: 01
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix bus_master cap_list
       configuration: driver=iwlwifi latency=0
       resources: iomemory:600-5ff irq:16 memory:601d1cc000-601d1cffff
  *-network:1
       description: Ethernet controller
       product: Ethernet Connection (16) I219-V
       vendor: Intel Corporation
       physical id: 1f.6
       bus info: pci@0000:00:1f.6
       version: 01
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi bus_master cap_list
       configuration: driver=e1000e latency=0
       resources: irq:172 memory:ae300000-ae31ffff

Bibliographie