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Import Splunk Add-On for Unix and Linux version 9.2.0

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This commit is contained in:
Michael Erdely 2024-12-24 23:51:57 -05:00
commit 92ac2630a1
Signed by: mike
SSH key fingerprint: SHA256:ukbnfrRMaRYlBZXENtBTyO2jLnql5AA5m+SzZCfYQe0
77 changed files with 11487 additions and 0 deletions
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52
bin/iostat.sh Executable file
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#!/bin/sh
# SPDX-FileCopyrightText: 2024 Splunk, Inc.
# SPDX-License-Identifier: Apache-2.0
# suggested command for testing reads: $ find / -type f 2>/dev/null | xargs wc &> /dev/null &
# shellcheck disable=SC1091
. "$(dirname "$0")"/common.sh
if [ "$KERNEL" = "Linux" ] ; then
CMD='iostat -xky 1 1'
assertHaveCommand "$CMD"
# considers the device, r/s and w/s columns and returns output of the first interval
FILTER='/Device/ && /r\/s/ && /w\/s/ {f=1;}f'
elif [ "$KERNEL" = "SunOS" ] ; then
CMD='iostat -xn 1 2'
assertHaveCommand "$CMD"
# considers the device, r/s and w/s columns and returns output of the second interval
FILTER='/device/ && /r\/s/ && /w\/s/ {f++;} f==2'
elif [ "$KERNEL" = "AIX" ] ; then
CMD='iostat 1 2'
assertHaveCommand "$CMD"
# considers the disks, kb_read and kb_wrtn columns and returns output of the second interval
FILTER='/^cd/ {next} /Disks/ && /Kb_read/ && /Kb_wrtn/ {f++;} f==2'
elif [ "$KERNEL" = "FreeBSD" ] ; then
CMD='iostat -x -c 2'
assertHaveCommand "$CMD"
# considers the device, r/s and w/s columns and returns output of the second interval
FILTER='/device/ && /r\/s/ && /w\/s/ {f++;} f==2'
elif [ "$KERNEL" = "Darwin" ] ; then
CMD="eval $SPLUNK_HOME/bin/darwin_disk_stats ; sleep 2; echo Pause; $SPLUNK_HOME/bin/darwin_disk_stats"
# shellcheck disable=SC2086
assertHaveCommandGivenPath $CMD
# shellcheck disable=SC2016
HEADER='Device rReq_PS wReq_PS rKB_PS wKB_PS avgWaitMillis avgSvcMillis bandwUtilPct'
HEADERIZE="BEGIN {print \"$HEADER\"}"
PRINTF='{printf "%-10s %11s %11s %12s %12s %13s %13s %13s\n", device, rReq_PS, wReq_PS, rKB_PS, wKB_PS, avgWaitMillis, avgSvcMillis, bandwUtilPct}'
# shellcheck disable=SC2016
FILTER='BEGIN {FS="|"; after=0} /^Pause$/ {after=1; next} !/Bytes|Operations/ {next} {devices[$1]=$1; values[after,$1,$2]=$3; next}'
FORMAT='avgSvcMillis=bandwUtilPct="?";'
FUNC1='function getDeltaPS(disk, metric) {delta=values[1,disk,metric]-values[0,disk,metric]; return delta/2.0}'
# Calculates the latency by pulling the read and write latency fields from darwin__disk_stats and evaluating their sum
LATENCY='function getLatency(disk) {read=getDeltaPS(disk,"Latency Time (Read)"); write=getDeltaPS(disk,"Latency Time (Write)"); return expr read + write;}'
FUNC2='function getAllDeltasPS(disk) {rReq_PS=getDeltaPS(disk,"Operations (Read)"); wReq_PS=getDeltaPS(disk,"Operations (Write)"); rKB_PS=getDeltaPS(disk,"Bytes (Read)")/1024; wKB_PS=getDeltaPS(disk,"Bytes (Write)")/1024; avgWaitMillis=getLatency(disk);}'
SCRIPT="$HEADERIZE $FILTER $FUNC1 $LATENCY $FUNC2 END {$FORMAT for (device in devices) {getAllDeltasPS(device); $PRINTF}}"
$CMD | tee "$TEE_DEST" | awk "$SCRIPT" header="$HEADER"
echo "Cmd = [$CMD]; | awk '$SCRIPT' header=\"$HEADER\"" >> "$TEE_DEST"
exit 0
fi
$CMD | tee "$TEE_DEST" | $AWK "$FILTER"
echo "Cmd = [$CMD]; | $AWK '$FILTER'" >> "$TEE_DEST"