From 59c7b5e334940fff29ea49aa722d1c43c88a436b Mon Sep 17 00:00:00 2001 From: John Kacur Date: Tue, 7 May 2019 15:26:38 +0200 Subject: [PATCH 1/2] queuelat: Assume queuelat and queuelat scripts are in the path Assume queuelat and queuelat scripts are in the path. Don't hardcode their location. Write the temporary data to /usr/tmp/outfile Signed-off-by: John Kacur --- src/queuelat/determine_maximum_mpps.sh | 35 +++++++++++++------------- 1 file changed, 17 insertions(+), 18 deletions(-) diff --git a/src/queuelat/determine_maximum_mpps.sh b/src/queuelat/determine_maximum_mpps.sh index cf7a8cab9cc4..cd45454720f7 100755 --- a/src/queuelat/determine_maximum_mpps.sh +++ b/src/queuelat/determine_maximum_mpps.sh @@ -8,6 +8,7 @@ PREAMBLE="taskset -c 2 chrt -f 1" MAXLAT="20000" CYCLES_PER_PACKET="300" +OUTFILE=/usr/tmp/outfile echo "Determining maximum mpps the machine can handle" echo "Will take a few minutes to determine mpps value" @@ -16,10 +17,10 @@ echo "And 10 minutes run to confirm the final mpps value is stable" for mpps in `seq 3 3 50`; do echo testing $mpps Mpps - outfile=`mktemp` - $PREAMBLE ./queuelat -m $MAXLAT -c $CYCLES_PER_PACKET -f `sh ./get_cpuinfo_mhz.sh` -p $mpps -t 30 > $outfile + OUTFILE=`mktemp` + $PREAMBLE queuelat -m $MAXLAT -c $CYCLES_PER_PACKET -f `sh get_cpuinfo_mhz.sh` -p $mpps -t 30 > $OUTFILE - exceeded=`grep exceeded $outfile` + exceeded=`grep exceeded $OUTFILE` if [ ! -z "$exceeded" ]; then echo mpps failed: $mpps break; @@ -32,10 +33,10 @@ first_mpps=$(($mpps - 1)) for mpps in `seq $first_mpps -1 3`; do echo testing $mpps Mpps - outfile=`mktemp` - $PREAMBLE ./queuelat -m $MAXLAT -c $CYCLES_PER_PACKET -f `sh ./get_cpuinfo_mhz.sh` -p $mpps -t 30 > $outfile + OUTFILE=`mktemp` + $PREAMBLE queuelat -m $MAXLAT -c $CYCLES_PER_PACKET -f `sh get_cpuinfo_mhz.sh` -p $mpps -t 30 > $OUTFILE - exceeded=`grep exceeded $outfile` + exceeded=`grep exceeded $OUTFILE` if [ -z "$exceeded" ]; then echo mpps success $mpps break; @@ -49,10 +50,10 @@ echo second loop mpps: $mpps for mpps in `seq $second_mpps 0.3 $first_mpps`; do echo testing $mpps Mpps - outfile=`mktemp` - $PREAMBLE ./queuelat -m $MAXLAT -c $CYCLES_PER_PACKET -f `sh ./get_cpuinfo_mhz.sh` -p $mpps -t 30 > $outfile + OUTFILE=`mktemp` + $PREAMBLE queuelat -m $MAXLAT -c $CYCLES_PER_PACKET -f `sh get_cpuinfo_mhz.sh` -p $mpps -t 30 > $OUTFILE - exceeded=`grep exceeded $outfile` + exceeded=`grep exceeded $OUTFILE` if [ ! -z "$exceeded" ]; then echo mpps failure $mpps break; @@ -66,10 +67,10 @@ third_mpps=`echo "$mpps -0.1" | bc` for mpps in `seq $third_mpps -0.1 3`; do echo testing $mpps Mpps - outfile=`mktemp` - $PREAMBLE ./queuelat -m $MAXLAT -c $CYCLES_PER_PACKET -f `sh ./get_cpuinfo_mhz.sh` -p $mpps -t 30 > $outfile + OUTFILE=`mktemp` + $PREAMBLE queuelat -m $MAXLAT -c $CYCLES_PER_PACKET -f `sh get_cpuinfo_mhz.sh` -p $mpps -t 30 > $OUTFILE - exceeded=`grep exceeded $outfile` + exceeded=`grep exceeded $OUTFILE` if [ -z "$exceeded" ]; then echo mpps success $mpps break; @@ -86,8 +87,8 @@ while [ $queuelat_failure == 1 ]; do echo "$mpps Mpps" for i in `seq 1 10`; do - $PREAMBLE ./queuelat -m $MAXLAT -c $CYCLES_PER_PACKET -f `./get_cpuinfo_mhz.sh` -p $mpps -t 30 > $outfile - exceeded=`grep exceeded $outfile` + $PREAMBLE ./queuelat -m $MAXLAT -c $CYCLES_PER_PACKET -f `get_cpuinfo_mhz.sh` -p $mpps -t 30 > $OUTFILE + exceeded=`grep exceeded $OUTFILE` if [ ! -z "$exceeded" ]; then echo "mpps failure (run $i) $mpps" @@ -108,8 +109,8 @@ while [ $queuelat_failure == 1 ]; do echo -n "Starting 10 minutes run with " echo "$mpps Mpps" - $PREAMBLE ./queuelat -m $MAXLAT -c $CYCLES_PER_PACKET -f `./get_cpuinfo_mhz.sh` -p $mpps -t 600 > $outfile - exceeded=`grep exceeded $outfile` + $PREAMBLE queuelat -m $MAXLAT -c $CYCLES_PER_PACKET -f `get_cpuinfo_mhz.sh` -p $mpps -t 600 > $OUTFILE + exceeded=`grep exceeded $OUTFILE` if [ ! -z "$exceeded" ]; then echo "mpps failure (run $i) $mpps" @@ -124,5 +125,3 @@ echo Final mpps is: $mpps unset queuelat_failure unset mpps - - -- 2.20.1