44 lines
869 B
Bash
44 lines
869 B
Bash
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#!/bin/sh
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#
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check_hwpmc() {
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# should fail if hwpmc is not availble
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}
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KERNDIR="/boot/kernel"
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#
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# main
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#
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check_hwpmc
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if [ $# -lt 1 ]; then
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echo "No event-spec given. Assuming CPU_CLK_UNHALTED_CORE..."
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EVENT="CPU_CLK_UNHALTED_CORE"
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else
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EVENT=${1}
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fi
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if [ $# -lt 2 ]; then
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echo "No sleep time specified. Assuming 10 seconds..."
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SLEEP="10"
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else
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SLEEP=${2}
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fi
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echo "Instrumenting for ${SLEEP} seconds..."
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pmcstat -S ${EVENT} -O ${EVENT}.pmc sleep ${SLEEP}
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echo "Extracting stack trace..."
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pmcstat -R ${EVENT}.pmc -z100 -G ${EVENT}.stacks.txt
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echo "Annotating..."
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pmcannotate -k ${KERNDIR} ${EVENT}.pmc ${KERNDIR}/kernel > ${EVENT}.annotated.txt
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echo "Extracting gprof(1) profile data..."
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pmcstat -R ${EVENT}.pmc -g
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gprof -K ${KERNDIR}/kernel ${EVENT}/kernel.gmon > ${EVENT}.gprof-kernel.txt
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if [ -d ${EVENT} ]; then
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echo "Cleaning up..."
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rm -r ${EVENT}
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fi
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