mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-25 13:46:22 +00:00
PT-633 Added --mysql-only option to pt-stalk
This commit is contained in:
Carlos Salguero
@@ -49,8 +49,11 @@ collect() {
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local d="$1" # directory to save results in
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local p="$2" # prefix for each result file
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local mysqld_pid=""
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# Get pidof mysqld.
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local mysqld_pid=$(_pidof mysqld | awk '{print $1; exit;}')
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if [ ! "$OPT_MYSQL_ONLY" ]; then
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mysqld_pid=$(_pidof mysqld | awk '{print $1; exit;}')
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fi
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# Get memory allocation info before anything else.
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if [ "$CMD_PMAP" -a "$mysqld_pid" ]; then
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@@ -90,7 +93,7 @@ collect() {
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fi
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local tail_error_log_pid=""
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if [ "$mysql_error_log" ]; then
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if [ "$mysql_error_log" -a ! "$OPT_MYSQL_ONLY" ]; then
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log "The MySQL error log seems to be $mysql_error_log"
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tail -f "$mysql_error_log" >"$d/$p-log_error" &
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tail_error_log_pid=$!
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@@ -141,44 +144,46 @@ collect() {
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# Grab a few general things first. Background all of these so we can start
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# them all up as quickly as possible.
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ps -eaF >> "$d/$p-ps" &
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top -bn${OPT_RUN_TIME} >> "$d/$p-top" &
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if [ ! "$OPT_MYSQL_ONLY" ]; then
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ps -eaF >> "$d/$p-ps" &
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top -bn${OPT_RUN_TIME} >> "$d/$p-top" &
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[ "$mysqld_pid" ] && _lsof $mysqld_pid >> "$d/$p-lsof" &
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[ "$mysqld_pid" ] && _lsof $mysqld_pid >> "$d/$p-lsof" &
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if [ "$CMD_SYSCTL" ]; then
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$CMD_SYSCTL -a >> "$d/$p-sysctl" &
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fi
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if [ "$CMD_SYSCTL" ]; then
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$CMD_SYSCTL -a >> "$d/$p-sysctl" &
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fi
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# collect dmesg events from 60 seconds ago until present
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if [ "$CMD_DMESG" ]; then
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local UPTIME=`cat /proc/uptime | awk '{ print $1 }'`
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local START_TIME=$(echo "$UPTIME 60" | awk '{print ($1 - $2)}')
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$CMD_DMESG | perl -ne 'm/\[\s*(\d+)\./; if ($1 > '${START_TIME}') { print }' >> "$d/$p-dmesg" &
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fi
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# collect dmesg events from 60 seconds ago until present
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if [ "$CMD_DMESG" ]; then
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local UPTIME=`cat /proc/uptime | awk '{ print $1 }'`
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local START_TIME=$(echo "$UPTIME 60" | awk '{print ($1 - $2)}')
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$CMD_DMESG | perl -ne 'm/\[\s*(\d+)\./; if ($1 > '${START_TIME}') { print }' >> "$d/$p-dmesg" &
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fi
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local cnt=$(($OPT_RUN_TIME / $OPT_SLEEP_COLLECT))
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if [ "$CMD_VMSTAT" ]; then
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$CMD_VMSTAT $OPT_SLEEP_COLLECT $cnt >> "$d/$p-vmstat" &
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$CMD_VMSTAT $OPT_RUN_TIME 2 >> "$d/$p-vmstat-overall" &
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fi
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if [ "$CMD_IOSTAT" ]; then
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$CMD_IOSTAT -dx $OPT_SLEEP_COLLECT $cnt >> "$d/$p-iostat" &
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$CMD_IOSTAT -dx $OPT_RUN_TIME 2 >> "$d/$p-iostat-overall" &
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fi
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if [ "$CMD_MPSTAT" ]; then
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$CMD_MPSTAT -P ALL $OPT_SLEEP_COLLECT $cnt >> "$d/$p-mpstat" &
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$CMD_MPSTAT -P ALL $OPT_RUN_TIME 1 >> "$d/$p-mpstat-overall" &
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fi
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local cnt=$(($OPT_RUN_TIME / $OPT_SLEEP_COLLECT))
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if [ "$CMD_VMSTAT" ]; then
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$CMD_VMSTAT $OPT_SLEEP_COLLECT $cnt >> "$d/$p-vmstat" &
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$CMD_VMSTAT $OPT_RUN_TIME 2 >> "$d/$p-vmstat-overall" &
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fi
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if [ "$CMD_IOSTAT" ]; then
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$CMD_IOSTAT -dx $OPT_SLEEP_COLLECT $cnt >> "$d/$p-iostat" &
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$CMD_IOSTAT -dx $OPT_RUN_TIME 2 >> "$d/$p-iostat-overall" &
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fi
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if [ "$CMD_MPSTAT" ]; then
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$CMD_MPSTAT -P ALL $OPT_SLEEP_COLLECT $cnt >> "$d/$p-mpstat" &
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$CMD_MPSTAT -P ALL $OPT_RUN_TIME 1 >> "$d/$p-mpstat-overall" &
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fi
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# Collect multiple snapshots of the status variables. We use
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# mysqladmin -c even though it is buggy and won't stop on its
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# own in 5.1 and newer, because there is a chance that we will
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# get and keep a connection to the database; in troubled times
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# the database tends to exceed max_connections, so reconnecting
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# in the loop tends not to work very well.
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$CMD_MYSQLADMIN $EXT_ARGV ext -i$OPT_SLEEP_COLLECT -c$cnt >>"$d/$p-mysqladmin" &
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local mysqladmin_pid=$!
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# Collect multiple snapshots of the status variables. We use
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# mysqladmin -c even though it is buggy and won't stop on its
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# own in 5.1 and newer, because there is a chance that we will
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# get and keep a connection to the database; in troubled times
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# the database tends to exceed max_connections, so reconnecting
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# in the loop tends not to work very well.
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$CMD_MYSQLADMIN $EXT_ARGV ext -i$OPT_SLEEP_COLLECT -c$cnt >>"$d/$p-mysqladmin" &
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local mysqladmin_pid=$!
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fi
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local have_lock_waits_table=""
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$CMD_MYSQL $EXT_ARGV -e "SHOW TABLES FROM INFORMATION_SCHEMA" \
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@@ -200,47 +205,48 @@ collect() {
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fi
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while [ $((curr_time - start_time)) -lt $OPT_RUN_TIME ]; do
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if [ ! "$OPT_MYSQL_ONLY" ]; then
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# We check the disk, but don't exit, because we need to stop jobs if we
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# need to exit.
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disk_space $d > $d/$p-disk-space
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check_disk_space \
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$d/$p-disk-space \
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"$OPT_DISK_BYTES_FREE" \
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"$OPT_DISK_PCT_FREE" \
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|| break
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# We check the disk, but don't exit, because we need to stop jobs if we
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# need to exit.
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disk_space $d > $d/$p-disk-space
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check_disk_space \
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$d/$p-disk-space \
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"$OPT_DISK_BYTES_FREE" \
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"$OPT_DISK_PCT_FREE" \
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|| break
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# Sleep between collect cycles.
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# Synchronize ourselves onto the clock tick, so the sleeps are 1-second
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sleep $(date +'%s.%N' | awk "{print $OPT_SLEEP_COLLECT - (\$1 % $OPT_SLEEP_COLLECT)}")
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local ts="$(date +"TS %s.%N %F %T")"
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# Sleep between collect cycles.
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# Synchronize ourselves onto the clock tick, so the sleeps are 1-second
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sleep $(date +'%s.%N' | awk "{print $OPT_SLEEP_COLLECT - (\$1 % $OPT_SLEEP_COLLECT)}")
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local ts="$(date +"TS %s.%N %F %T")"
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# #####################################################################
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# Collect data for this cycle.
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# #####################################################################
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if [ -d "/proc" ]; then
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if [ -f "/proc/diskstats" ]; then
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(echo $ts; cat /proc/diskstats) >> "$d/$p-diskstats" &
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fi
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if [ -f "/proc/stat" ]; then
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(echo $ts; cat /proc/stat) >> "$d/$p-procstat" &
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fi
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if [ -f "/proc/vmstat" ]; then
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(echo $ts; cat /proc/vmstat) >> "$d/$p-procvmstat" &
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fi
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if [ -f "/proc/meminfo" ]; then
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(echo $ts; cat /proc/meminfo) >> "$d/$p-meminfo" &
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fi
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if [ -f "/proc/slabinfo" ]; then
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(echo $ts; cat /proc/slabinfo) >> "$d/$p-slabinfo" &
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fi
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if [ -f "/proc/interrupts" ]; then
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(echo $ts; cat /proc/interrupts) >> "$d/$p-interrupts" &
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# #####################################################################
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# Collect data for this cycle.
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# #####################################################################
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if [ -d "/proc" ]; then
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if [ -f "/proc/diskstats" ]; then
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(echo $ts; cat /proc/diskstats) >> "$d/$p-diskstats" &
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fi
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if [ -f "/proc/stat" ]; then
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(echo $ts; cat /proc/stat) >> "$d/$p-procstat" &
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fi
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if [ -f "/proc/vmstat" ]; then
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(echo $ts; cat /proc/vmstat) >> "$d/$p-procvmstat" &
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fi
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if [ -f "/proc/meminfo" ]; then
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(echo $ts; cat /proc/meminfo) >> "$d/$p-meminfo" &
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fi
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if [ -f "/proc/slabinfo" ]; then
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(echo $ts; cat /proc/slabinfo) >> "$d/$p-slabinfo" &
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fi
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if [ -f "/proc/interrupts" ]; then
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(echo $ts; cat /proc/interrupts) >> "$d/$p-interrupts" &
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fi
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fi
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(echo $ts; df -k) >> "$d/$p-df" &
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(echo $ts; netstat -antp) >> "$d/$p-netstat" &
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(echo $ts; netstat -s) >> "$d/$p-netstat_s" &
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fi
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(echo $ts; df -k) >> "$d/$p-df" &
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(echo $ts; netstat -antp) >> "$d/$p-netstat" &
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(echo $ts; netstat -s) >> "$d/$p-netstat_s" &
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(echo $ts; $CMD_MYSQL $EXT_ARGV -e "SHOW FULL PROCESSLIST\G") \
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>> "$d/$p-processlist" &
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if [ "$have_lock_waits_table" ]; then
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