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perf_event_open: Add support for counting REF_CPU_CYCLES

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Using thread's tsc count instead of performance counter

Refs: #1025
Change-Id: I1d7a18f1c52f1d52087002d31818638a6b206014
This commit is contained in:
Ken Sato
2019-09-25 21:14:35 +09:00
committed by Masamichi Takagi
parent bc06d68d84
commit 309145587f
18 changed files with 2360 additions and 22 deletions
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40
test/issues/1025/C1025_aarch64.sh Executable file
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#!/bin/sh
. ../../common.sh
PERF_TYPE_HARDWARE=0
PERF_COUNT_HW_REF_CPU_CYCLES=9
ng=0
echo "*** C1025T01 ******************************************"
echo "** Linux's result *************************************"
echo "* REF_CPU_CYCLES event is NOT supported Linux on aarch64"
echo ""
echo "** McKernel's result *************************************"
echo "[type: HARDWARE, counter: HW_REF_CPU_CYCLES, exclude: none]"
${MCEXEC} ./perf_test 0 1 \
${PERF_TYPE_HARDWARE} ${PERF_COUNT_HW_REF_CPU_CYCLES} \
| tee ./mck_all_val.txt
echo "[type: HARDWARE, counter: HW_REF_CPU_CYCLES, exclude: user]"
${MCEXEC} ./perf_test 1 1 \
${PERF_TYPE_HARDWARE} ${PERF_COUNT_HW_REF_CPU_CYCLES} \
| tee ./mck_kernel_val.txt
echo "[type: HARDWARE, counter: HW_REF_CPU_CYCLES, exclude: kernel]"
${MCEXEC} ./perf_test 2 1 \
${PERF_TYPE_HARDWARE} ${PERF_COUNT_HW_REF_CPU_CYCLES} \
| tee ./mck_user_val.txt
mck_all_val=`grep "REF_CPU" ./mck_all_val.txt | grep -o [0-9]*`
mck_user_val=`grep "REF_CPU" ./mck_user_val.txt | grep -o [0-9]*`
mck_kernel_val=`grep "REF_CPU" ./mck_kernel_val.txt | grep -o [0-9]*`
if [ "x${mck_all_val}" != "x" ] && [ "x${mck_user_val}" != "x" ] && \
[ "x${mck_kernel_val}" != "x" ] ; then
echo "** C1025T01 PASSED"
else
echo "** C1025T01 FAILED"
fi
echo ""