#!/bin/sh # SPDX-FileCopyrightText: 2024 Splunk, Inc. # SPDX-License-Identifier: Apache-2.0 # shellcheck disable=SC1091 . "$(dirname "$0")"/common.sh assertHaveCommand column HEADER='CPU pctUser pctNice pctSystem pctIowait pctIdle' HEADERIZE="BEGIN {print \"$HEADER\"}" PRINTF='{printf "%-3s %9s %9s %9s %9s %9s\n", cpu, pctUser, pctNice, pctSystem, pctIowait, pctIdle}' if [ "$KERNEL" = "Linux" ] ; then queryHaveCommand sar FOUND_SAR=$? queryHaveCommand mpstat FOUND_MPSTAT=$? if [ $FOUND_SAR -eq 0 ] ; then CMD='sar -P ALL 1 1' # shellcheck disable=SC2016 FORMAT='{cpu=$(NF-6); pctUser=$(NF-5); pctNice=$(NF-4); pctSystem=$(NF-3); pctIowait=$(NF-2); pctIdle=$NF}' elif [ $FOUND_MPSTAT -eq 0 ] ; then CMD='mpstat -P ALL 1 1' # shellcheck disable=SC2016 FORMAT='{cpu=$(NFIELDS-10); pctUser=$(NFIELDS-9); pctNice=$(NFIELDS-8); pctSystem=$(NFIELDS-7); pctIowait=$(NFIELDS-6); pctIdle=$NF}' else failLackMultipleCommands sar mpstat fi # shellcheck disable=SC2016 FILTER='($0 ~ /CPU/) { if($(NF-1) ~ /gnice/){ NFIELDS=NF; } else {NFIELDS=NF+1;} next} /Average|Linux|^$|%/ {next}' elif [ "$KERNEL" = "SunOS" ] ; then if [ "$SOLARIS_8" = "true" ] || [ "$SOLARIS_9" = "true" ] ; then CMD='eval mpstat -a -p 1 2 | tail -1 | sed "s/^[ ]*0/all/"; mpstat -p 1 2 | tail -r' else CMD='eval mpstat -aq -p 1 2 | tail -1 | sed "s/^[ ]*0/all/"; mpstat -q -p 1 2 | tail -r' fi assertHaveCommand "$CMD" # shellcheck disable=SC2016 FILTER='($1=="CPU") {exit 1}' # shellcheck disable=SC2016 FORMAT='{cpu=$1; pctUser=$(NF-4); pctNice="0"; pctSystem=$(NF-3); pctIowait=$(NF-2); pctIdle=$(NF-1)}' elif [ "$KERNEL" = "AIX" ] ; then queryHaveCommand mpstat queryHaveCommand lparstat FOUND_MPSTAT=$? FOUND_LPARSTAT=$? if [ $FOUND_MPSTAT -eq 0 ] && [ $FOUND_LPARSTAT -eq 0 ] ; then # Get extra fields from lparstat COUNT=$(lparstat | grep " app" | wc -l) if [ $COUNT -gt 0 ] ; then # Fetch value from "app" column of lparstat output FETCH_APP_COL_NUM='BEGIN {app_col_num = 8} { if($0 ~ /System configuration|^$/) {next} if($0 ~ / app/) { for(i=1; i<=NF; i++) { if($i == "app") { app_col_num = i; break; } } print app_col_num; exit 0; } }' APP_COL_NUM=$(lparstat | awk "$FETCH_APP_COL_NUM") CPUPool=$(lparstat | tail -1 | awk -v APP_COL_NUM=$APP_COL_NUM -F " " '{print $APP_COL_NUM}') else CPUPool=0 fi # Fetch other required fields from lparstat output OnlineVirtualCPUs=$(lparstat -i | grep "Online Virtual CPUs" | awk -F " " '{print $NF}') EntitledCapacity=$(lparstat -i | grep "Entitled Capacity " | awk -F " " '{print $NF}') DEFINE="-v CPUPool=$CPUPool -v OnlineVirtualCPUs=$OnlineVirtualCPUs -v EntitledCapacity=$EntitledCapacity" # Get cpu stats using mpstat command and manipulate the output for adding extra fields CMD='mpstat -a 1 1' # shellcheck disable=SC2016 FORMAT='BEGIN {flag = 0} { if($0 ~ /System configuration|^$/) {next} if(flag == 1) { # Prepend extra field values from lparstat for(i=NF+4; i>=4; i--) { $i = $(i-3); } if($0 ~ /ALL/) { $1 = CPUPool; $2 = OnlineVirtualCPUs; $3 = EntitledCapacity; } else { $1 = "-"; $2 = "-"; $3 = "-"; } } if($0 ~ /cpu /) { # Prepend extra field headers from lparstat for(i=NF+4; i>=4; i--) { $i = $(i-3); } $1 = "CPUPool"; $2 = "OnlineVirtualCPUs"; $3 = "EntitledCapacity"; flag = 1; } for(i=1; i<=NF; i++) { printf "%17s ", $i; } print ""; }' fi $CMD | tee "$TEE_DEST" | $AWK $DEFINE "$FORMAT" | column -t echo "Cmd = [$CMD]; | $AWK $DEFINE '$FORMAT'" >> "$TEE_DEST" exit elif [ "$KERNEL" = "Darwin" ] ; then HEADER='CPU pctUser pctSystem pctIdle' HEADERIZE="BEGIN {print \"$HEADER\"}" PRINTF='{printf "%-3s %9s %9s %9s \n", cpu, pctUser, pctSystem, pctIdle}' # top command here is used to get a single instance of cpu metrics CMD='top -l 1' assertHaveCommand "$CMD" # FILTER here skips all the rows that doesn't match "CPU". # shellcheck disable=SC2016 FILTER='($1 !~ "CPU") {next;}' # FORMAT here removes '%'in the end of the metrics. # shellcheck disable=SC2016 FORMAT='function remove_char(string, char_to_remove) { sub(char_to_remove, "", string); return string; } { cpu="all"; pctUser = remove_char($3, "%"); pctSystem = remove_char($5, "%"); pctIdle = remove_char($7, "%"); }' elif [ "$KERNEL" = "OpenBSD" ] ; then CMD='eval top -1 -b; top -b' assertHaveCommand "$CMD" # shellcheck disable=SC2016 FILTER='($0 !~ "^([0-9]+[\t ]+)?CPU"){next;}' # shellcheck disable=SC2016 FORMAT='{ if ($1 ~ /^[0-9]+$/) cpu="all"; else if ($1 ~ /^CPU[0-9]+$/) cpu=substr($1,4); else cpu=0; pctUser=substr($3,1,length($3)-1); pctNice=substr($5,1,length($5)-1); pctSystem=substr($7,1,length($7)-1); pctIowait=substr($11,1,length($11)-1); pctIdle=substr($13,1,length($13)-1); }' elif [ "$KERNEL" = "FreeBSD" ] ; then CMD='eval top -P -d2 c; top -d2 c' assertHaveCommand "$CMD" # shellcheck disable=SC2016 FILTER='($1 !~ "CPU") { next; }' # shellcheck disable=SC2016 FORMAT='function remove_char(string, char_to_remove) { sub(char_to_remove, "", string); return string; } { if ($1 == "CPU:") { cpu = "all"; } else { cpu = remove_char($2, ":"); } } { pctUser = remove_char($(NF-9), "%"); pctNice = remove_char($(NF-7), "%"); pctSystem = remove_char($(NF-5), "%"); pctIdle = remove_char($(NF-1), "%"); pctIowait = "0.0"; }' elif [ "$KERNEL" = "HP-UX" ] ; then queryHaveCommand sar FOUND_SAR=$? if [ $FOUND_SAR -eq 0 ] ; then CMD='sar -M 1 1 ALL' fi FILTER='/HP-UX|^$|%/ {next}' # shellcheck disable=SC2016 FORMAT='{k=0; if(5> "$TEE_DEST"