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PT-111 Collect MySQL variables

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This commit is contained in:
Carlos Salguero
2017-03-28 14:03:40 -03:00
parent 824ca05f98
commit 1926bd60b4
2 changed files with 49 additions and 8 deletions
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29
bin/pt-stalk
View File

@@ -813,8 +813,8 @@ collect() {
>> "$d/$p-stacktrace"
fi
$CMD_MYSQL $EXT_ARGV -e 'SHOW GLOBAL VARIABLES' >> "$d/$p-variables" &
sleep .2
collect_mysql_variables "$d/$p-variables" &
sleep .5
local mysql_version="$(awk '/^version[^_]/{print substr($2,1,3)}' "$d/$p-variables")"
@@ -907,7 +907,8 @@ collect() {
log "Loop start: $(date +'TS %s.%N %F %T')"
local start_time=$(date +'%s')
local curr_time=$start_time
local ps_instrumentation_enabled=$($CMD_MYSQL $EXT_ARGV -e "SELECT ENABLED FROM performance_schema.setup_instruments WHERE NAME = 'transaction';" | sed '2q;d' | sed 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/')
local ps_instrumentation_enabled=$($CMD_MYSQL $EXT_ARGV -e 'SELECT ENABLED FROM performance_schema.setup_instruments WHERE NAME = "transaction";' \
| sed "2q;d" | sed 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/')
if [ $ps_instrumentation_enabled != "yes" ]; then
log "Performance Schema instrumentation is disabled"
@@ -1099,7 +1100,7 @@ innodb_status() {
ps_locks_transactions() {
local outfile=$1
mysql -e 'select @@performance_schema' | grep "1" &>/dev/null
$CMD_MYSQL $EXT_ARGV -e 'select @@performance_schema' | grep "1" &>/dev/null
if [ $? -eq 0 ]; then
local status="select t.processlist_id, ml.* from performance_schema.metadata_locks ml join performance_schema.threads t on (ml.owner_thread_id=t.thread_id)\G"
@@ -1123,6 +1124,26 @@ ps_locks_transactions() {
}
collect_mysql_variables() {
local outfile=$1
local sql="SHOW GLOBAL VARIABLES"
echo -e "\n$sql\n" >> $outfile
$CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
sql="select * from performance_schema.variables_by_thread order by thread_id, variable_name;"
echo -e "\n$sql\n" >> $outfile
$CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
sql="select * from performance_schema.user_variables_by_thread order by thread_id, variable_name;"
echo -e "\n$sql\n" >> $outfile
$CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
sql="select * from performance_schema.status_by_thread order by thread_id, variable_name; "
echo -e "\n$sql\n" >> $outfile
$CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
}
# ###########################################################################
# End collect package
# ###########################################################################

28
lib/bash/collect.sh
View File

@@ -75,8 +75,8 @@ collect() {
# Get MySQL's variables if possible. Then sleep long enough that we probably
# complete SHOW VARIABLES if all's well. (We don't want to run mysql in the
# foreground, because it could hang.)
$CMD_MYSQL $EXT_ARGV -e 'SHOW GLOBAL VARIABLES' >> "$d/$p-variables" &
sleep .2
collect_mysql_variables "$d/$p-variables" &
sleep .5
# Get the major.minor version number. Version 3.23 doesn't matter for our
# purposes, and other releases have x.x.x* version conventions so far.
@@ -195,7 +195,7 @@ collect() {
local ps_instrumentation_enabled=$($CMD_MYSQL $EXT_ARGV -e 'SELECT ENABLED FROM performance_schema.setup_instruments WHERE NAME = "transaction";' \
| sed "2q;d" | sed 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/')
if [ $ps_instrumentation_enabled != "yes"]; then
if [ $ps_instrumentation_enabled != "yes" ]; then
log "Performance Schema instrumentation is disabled"
fi
@@ -248,7 +248,7 @@ collect() {
(echo $ts; transactions) >>"$d/$p-transactions" &
fi
if [ "${mysql_version}" '>' "5.6" ] && [ $ps_instrumentation_enabled == "yes"]; then
if [ "${mysql_version}" '>' "5.6" ] && [ $ps_instrumentation_enabled == "yes" ]; then
ps_locks_transactions "$d/$p-ps-locks-transactions"
fi
@@ -428,6 +428,26 @@ ps_locks_transactions() {
}
collect_mysql_variables() {
local outfile=$1
local sql="SHOW GLOBAL VARIABLES"
echo -e "\n$sql\n" >> $outfile
$CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
sql="select * from performance_schema.variables_by_thread order by thread_id, variable_name;"
echo -e "\n$sql\n" >> $outfile
$CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
sql="select * from performance_schema.user_variables_by_thread order by thread_id, variable_name;"
echo -e "\n$sql\n" >> $outfile
$CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
sql="select * from performance_schema.status_by_thread order by thread_id, variable_name; "
echo -e "\n$sql\n" >> $outfile
$CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
}
# ###########################################################################
# End collect package
# ###########################################################################