mirror of https://github.com/BOINC/boinc.git
44 lines
1.8 KiB
Bash
Executable File
44 lines
1.8 KiB
Bash
Executable File
#! /bin/sh
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dbhost=`grep db_host ../config.xml | tr '[\<\>]' '[ ]' | head -1 | awk '{print $2}'`
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dbuser=`grep db_user ../config.xml | tr '[\<\>]' '[ ]' | head -1 | awk '{print $2}'`
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dbname=`grep db_name ../config.xml | tr '[\<\>]' '[ ]' | head -1 | awk '{print $2}'`
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MYSQL="mysql -D $dbname -h $dbhost -u $dbuser -N -B"
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DECAY_TIME=30*86400
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function median_query() {
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$MYSQL --execute="
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create temporary table medians (id int auto_increment primary key)
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select $1 from host
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where rpc_time>unix_timestamp(now())-($DECAY_TIME)
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and credit_per_cpu_sec>0
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order by $1;
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create temporary table ids
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select round(avg(id)-0.5) as id from medians;
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insert into ids select round(avg(id)+0.5) from medians;
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select avg($1) from medians where id in (
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select id from ids
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);
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drop table medians;
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drop table ids;"
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}
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median_credit_per_cpu_sec=`median_query credit_per_cpu_sec`
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median_p_fpops=`median_query p_fpops`
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median_p_iops=`median_query p_iops`
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ratio=`$MYSQL --execute="select ($median_p_fpops+$median_p_iops)/($median_credit_per_cpu_sec)*5.787037037037e-13"`
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nrows=`$MYSQL --execute="select count(id) from credit_multiplier"`
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if [ $nrows = 0 ] ; then
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$MYSQL --execute="insert into credit_multiplier values (0,unix_timestamp(now())-86400,1.0)"
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fi
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last_value=`$MYSQL --execute="select multiplier from credit_multiplier where (unix_timestamp(now())-time)=(select min(unix_timestamp(now())-time) from credit_multiplier)"`
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last_time=`$MYSQL --execute="select unix_timestamp(now())-time from credit_multiplier where (unix_timestamp(now())-time)=(select min(unix_timestamp(now())-time) from credit_multiplier)"`
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value=`$MYSQL --execute="select ($last_value*(($DECAY_TIME)-$last_time)+$ratio*$last_time)/($DECAY_TIME)"`
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$MYSQL --execute="insert into credit_multiplier values (0,unix_timestamp(now()),$value);"
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exit 0
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