end-to-end test fails on riscv64 machine

[felixonmars]

Host operating system: output of uname -a

Linux abomasnow.felixc.at 6.6.52-win2030 #2024.10.01.15.13+6ab9daef0 SMP Tue Oct 1 15:22:07 UTC 2024 riscv64 GNU/Linux

node_exporter version: output of node_exporter --version

node_exporter, version 1.8.2 (branch: tarball, revision: 1.8.2)
  build user:       someone@builder
  build date:       20241110-13:24:22
  go version:       go1.23.2
  platform:         linux/riscv64
  tags:             unknown

node_exporter command line flags

n/a

node_exporter log output

n/a

Are you running node_exporter in Docker?

no

What did you do that produced an error?

Run end-to-end-test.sh

What did you expect to see?

Tests pass.

What did you see instead?

+++ /tmp/node_exporter_e2e_test.9UAsIc/e2e-output.txt   2024-11-10 13:28:23.283795133 +0000                                                                                                                                                                                       
@@ -273,24 +273,12 @@                                                                                                                                                                                                                                                             
 # HELP node_cooling_device_max_state Maximum throttle state of the cooling device                                                                                                                                                                                                
 # TYPE node_cooling_device_max_state gauge                                                                                                                                                                                                                                       
 node_cooling_device_max_state{name="0",type="Processor"} 3                                                                                                                                                                                                                       
-# HELP node_cpu_bug_info The `bugs` field of CPU information from /proc/cpuinfo taken from the first core.                                                                                                                                                                       
-# TYPE node_cpu_bug_info gauge                                                                                                                                                                                                                                                   
-node_cpu_bug_info{bug="cpu_meltdown"} 1                                                                                                                                                                                                                                          
-node_cpu_bug_info{bug="mds"} 1                                                                                                                                                                                                                                                   
-node_cpu_bug_info{bug="spectre_v1"} 1                                                                                                                                                                                                                                            
-node_cpu_bug_info{bug="spectre_v2"} 1                                                                                                                                                                                                                                            
 # HELP node_cpu_core_throttles_total Number of times this CPU core has been throttled.                                                                                                                                                                                           
 # TYPE node_cpu_core_throttles_total counter                                                                                                                                                                                                                                     
 node_cpu_core_throttles_total{core="0",package="0"} 5                                                                                                                                                                                                                            
 node_cpu_core_throttles_total{core="0",package="1"} 0                                                                                                                                                                                                                            
 node_cpu_core_throttles_total{core="1",package="0"} 0                                                                                                                                                                                                                            
 node_cpu_core_throttles_total{core="1",package="1"} 9                                                                                                                                                                                                                            
-# HELP node_cpu_flag_info The `flags` field of CPU information from /proc/cpuinfo taken from the first core.                                                                                                                                                                     
-# TYPE node_cpu_flag_info gauge                                                                                                                                                                                                                                                  
-node_cpu_flag_info{flag="aes"} 1                                                                                                                                                                                                                                                 
-node_cpu_flag_info{flag="avx"} 1                                                                                                                                                                                                                                                 
-node_cpu_flag_info{flag="avx2"} 1                                                                                                                                                                                                                                                
-node_cpu_flag_info{flag="constant_tsc"} 1                                                                                                                                                                                                                                        
 # HELP node_cpu_guest_seconds_total Seconds the CPUs spent in guests (VMs) for each mode.                                                                                                                                                                                        
 # TYPE node_cpu_guest_seconds_total counter                                                                                                                                                                                                                                      
 node_cpu_guest_seconds_total{cpu="0",mode="nice"} 0.01                                                                                                                                                                                                                           
@@ -309,16 +297,6 @@                                                                                                                                                                                                                                                              
 node_cpu_guest_seconds_total{cpu="6",mode="user"} 0.08                                                                                                                                                                                                                           
 node_cpu_guest_seconds_total{cpu="7",mode="nice"} 0.08                                                                                                                                                                                                                           
 node_cpu_guest_seconds_total{cpu="7",mode="user"} 0.09                                                                                                                                                                                                                           
-# HELP node_cpu_info CPU information from /proc/cpuinfo.                                                                                                                                                                                                                         
-# TYPE node_cpu_info gauge                                                                                                                                                                                                                                                       
-node_cpu_info{cachesize="8192 KB",core="0",cpu="0",family="6",microcode="0xb4",model="142",model_name="Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz",package="0",stepping="10",vendor="GenuineIntel"} 1                                                                              
-node_cpu_info{cachesize="8192 KB",core="0",cpu="4",family="6",microcode="0xb4",model="142",model_name="Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz",package="0",stepping="10",vendor="GenuineIntel"} 1                                                                              
-node_cpu_info{cachesize="8192 KB",core="1",cpu="1",family="6",microcode="0xb4",model="142",model_name="Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz",package="0",stepping="10",vendor="GenuineIntel"} 1                                                                              
-node_cpu_info{cachesize="8192 KB",core="1",cpu="5",family="6",microcode="0xb4",model="142",model_name="Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz",package="0",stepping="10",vendor="GenuineIntel"} 1                                                                              
-node_cpu_info{cachesize="8192 KB",core="2",cpu="2",family="6",microcode="0xb4",model="142",model_name="Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz",package="0",stepping="10",vendor="GenuineIntel"} 1                                                                              
-node_cpu_info{cachesize="8192 KB",core="2",cpu="6",family="6",microcode="0xb4",model="142",model_name="Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz",package="0",stepping="10",vendor="GenuineIntel"} 1                                                                              
-node_cpu_info{cachesize="8192 KB",core="3",cpu="3",family="6",microcode="0xb4",model="142",model_name="Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz",package="0",stepping="10",vendor="GenuineIntel"} 1                                                                              
-node_cpu_info{cachesize="8192 KB",core="3",cpu="7",family="6",microcode="0xb4",model="142",model_name="Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz",package="0",stepping="10",vendor="GenuineIntel"} 1                                                                              
 # HELP node_cpu_isolated Whether each core is isolated, information from /sys/devices/system/cpu/isolated.                                                                                                                                                                       
 # TYPE node_cpu_isolated gauge                                                                                                                                                                                                                                                   
 node_cpu_isolated{cpu="1"} 1

Similar to #2016. Maybe node_cpu_bug_info and node_cpu_info should be guarded within x86_64 as well?