Linux Shell Script View numa information _linux Shell

The

Nova provides NUMA-related advanced features under the NFV scenario, which provides a script to view the NUMA-related information for compute nodes.

#!/bin/bash function Get_nr_processor () {grep ' ^processor '/proc/cpuinfo | wc-l} function get_nr_socket () {grep ' Physical ID '/proc/cpuinfo | Awk-f: ' {print $ | "Sort-un"} ' | Wc-l} function Get_nr_siblings () {grep ' siblings '/proc/cpuinfo | awk-f: ' {print $ | ' Sort-un '} '} function Get_nr_cores_of_socket () {grep ' CPU cores '/proc/cpuinfo | awk-f: ' {print $ | "Sort-un"} '} echo ' ===== CPU topology Table ===== ' echo echo ' +--------------+---------+-----------+ ' echo ' | Processor ID | Core ID | Socket ID | ' echo ' +--------------+---------+-----------+ ' while read line; do if [-Z "$line"]; Then printf ' | %-12s | %-7s | %-9s |\n ' $p _id $c _id $s _id echo ' +--------------+---------+-----------+ ' continue fi if echo "$line" | Grep-q "^processor"; Then p_id= ' echo ' $line | Awk-f: ' {print $} ' | Tr-d ' ' fi if echo "$line" | Grep-q "^core id"; Then c_id= ' echo ' $line | Awk-f: ' {print $} ' | Tr-d ' ' fi if echo "$line" | Grep-q "^physical id"; Then s_id= ' echo ' $line | Awk-f: ' {print $} ' |
    Tr-d ' fi done </proc/cpuinfo echo Awk-f: ' {if ($ ~/processor/) {gsub (//, "", $);
  p_id=$2;
    else if ($ ~/physical Id/) {gsub (//, "", $);
    s_id=$2; ARR[S_ID]=ARR[S_ID] "p_id}} end{for (i in arr) printf" Socket%s:%s\n ", I, Arr[i];} '/proc/cpuinfo echo E Cho ' ===== CPU Info Summary ===== ' echo nr_processor= ' get_nr_processor ' echo ' Logical processors: $nr _processor ' Nr_socket = ' Get_nr_socket ' echo physical socket: $nr _socket "nr_siblings= ' get_nr_siblings ' echo" siblings in one socket: $nr _sibli  NGS "nr_cores= ' Get_nr_cores_of_socket ' echo" cores in one socket: $nr _cores "Let Nr_cores*=nr_socket echo" cores at Total: $NR _cores "If [" $nr _cores "=" $nr _processor "]; Then echo "Hyper-threading:off" Else echo "Hyper-threading:on" fi echo Echo ' ===== end ===== '

Query Results Sample:

===== CPU topology Table ===== +--------------+---------+-----------+ | Processor ID | Core ID |
Socket ID | +--------------+---------+-----------+
| 0 | 0 |
1 | +--------------+---------+-----------+
| 1 | 1 |
1 | +--------------+---------+-----------+
| 2 | 9 |
1 | +--------------+---------+-----------+
| 3 | 10 |
1 | +--------------+---------+-----------+
| 4 | 0 |
0 | +--------------+---------+-----------+
| 5 | 1 |
0 | +--------------+---------+-----------+
| 6 | 9 |
0 | +--------------+---------+-----------+
| 7 | 10 |
0 | +--------------+---------+-----------+
| 8 | 0 |
1 | +--------------+---------+-----------+
| 9 | 1 |
1 | +--------------+---------+-----------+
| 10 | 9 |
1 | +--------------+---------+-----------+
| 11 | 10 |
1 | +--------------+---------+-----------+
| 12 | 0 |
0 | +--------------+---------+-----------+
| 13 | 1 |
0 | +--------------+---------+-----------+
| 14 | 9 |
0 | +--------------+---------+-----------+
| 15 | 10 |
0 | +--------------+---------+-----------+ Socket 0:4 5 6 7 Socket 1:0 1 2 3 8 9 ===== CPU Info Summary = = = = Logical Processors:16 physical socket:2 siblings in one socket:8 cores into one socket:4 cores in Total:8 hyper-thr  Eading:on ===== End =====