PT-1398 Updated way of getting MySQL PID

* PT-1900 WIP

* Fixed quoted strings regexes

* PT-1900 Fixed query rewriter to properly handle quoted text

* Fixed merge conflicts with 3.x branch

bin/pt-fingerprint

@@ -1565,8 +1565,8 @@ $bal         = qr/
 
 my $olc_re = qr/(?:--|#)[^'"\r\n]*(?=[\r\n]|\Z)/;  # One-line comments
 my $mlc_re = qr#/\*[^!].*?\*/#sm;                  # But not /*!version */
-my $vlc_re = qr#/\*.*?[0-9+].*?\*/#sm;             # For SHOW + /*!version */
-my $vlc_rf = qr#^(SHOW).*?/\*![0-9+].*?\*/#sm;     # Variation for SHOW
+my $vlc_re = qr#/\*.*?[0-9]+.*?\*/#sm;             # For SHOW + /*!version */
+my $vlc_rf = qr#^(?:SHOW).*?/\*![0-9]+(.*?)\*/#sm;     # Variation for SHOW
 
 
 sub new {
@@ -1581,7 +1581,8 @@ sub strip_comments {
    $query =~ s/$mlc_re//go;
    $query =~ s/$olc_re//go;
    if ( $query =~ m/$vlc_rf/i ) { # contains show + version
-      $query =~ s/$vlc_re//go;
+      my $qualifier = $1 || '';
+      $query =~ s/$vlc_re/$qualifier/go;
    }
    return $query;
 }
@@ -1652,9 +1653,15 @@ sub fingerprint {
    $query =~ s/\Ause \S+\Z/use ?/i       # Abstract the DB in USE
       && return $query;
 
-   $query =~ s/\\["']//g;                # quoted strings
-   $query =~ s/".*?"/?/sg;               # quoted strings
-   $query =~ s/'.*?'/?/sg;               # quoted strings
+   $query =~ s/([^\\])(\\')/$1/sg;    
+   $query =~ s/([^\\])(\\")/$1/sg;    
+   $query =~ s/\\\\//sg;              
+   $query =~ s/\\'//sg;               
+   $query =~ s/\\"//sg;                        
+   $query =~ s/([^\\])(".*?[^\\]?")/$1?/sg;    
+   $query =~ s/([^\\])('.*?[^\\]?')/$1?/sg;    
+
+   $query =~ s/\bfalse\b|\btrue\b/?/isg; # boolean values 
 
    if ( $self->{match_md5_checksums} ) {
       $query =~ s/([._-])[a-f0-9]{32}/$1?/g;
@@ -1704,6 +1711,13 @@ sub distill_verbs {
    $query =~ m/\A\s*UNLOCK TABLES/i  && return "UNLOCK";
    $query =~ m/\A\s*xa\s+(\S+)/i     && return "XA_$1";
 
+   if ( $query =~ m/\A\s*LOAD/i ) {
+      my ($tbl) = $query =~ m/INTO TABLE\s+(\S+)/i;
+      $tbl ||= '';
+      $tbl =~ s/`//g;
+      return "LOAD DATA $tbl";
+   }
+
    if ( $query =~ m/\Aadministrator command:/ ) {
       $query =~ s/administrator command:/ADMIN/;
       $query = uc $query;
@@ -1716,7 +1730,7 @@ sub distill_verbs {
       PTDEBUG && _d($query);
 
       $query = uc $query;
-      $query =~ s/\s+(?:GLOBAL|SESSION|FULL|STORAGE|ENGINE)\b/ /g;
+      $query =~ s/\s+(?:SESSION|FULL|STORAGE|ENGINE)\b/ /g;
       $query =~ s/\s+COUNT[^)]+\)//g;
 
       $query =~ s/\s+(?:FOR|FROM|LIKE|WHERE|LIMIT|IN)\b.+//ms;
@@ -1731,6 +1745,7 @@ sub distill_verbs {
    eval $QueryParser::tbl_ident;
    my ( $dds ) = $query =~ /^\s*($QueryParser::data_def_stmts)\b/i;
    if ( $dds) {
+      $query =~ s/\s+IF(?:\s+NOT)?\s+EXISTS/ /i;
       my ( $obj ) = $query =~ m/$dds.+(DATABASE|TABLE)\b/i;
       $obj = uc $obj if $obj;
       PTDEBUG && _d('Data def statment:', $dds, 'obj:', $obj);
@@ -1797,6 +1812,9 @@ sub distill {
          map { $verbs =~ s/$_/$alias_for{$_}/ } keys %alias_for;
          $query = $verbs;
       }
+      elsif ( $verbs && $verbs =~ m/^LOAD DATA/ ) {
+         return $verbs;
+      }
       else {
          my @tables = $self->__distill_tables($query, $table, %args);
          $query     = join(q{ }, $verbs, @tables);

bin/pt-index-usage

@@ -2520,9 +2520,13 @@ sub fingerprint {
    $query =~ s/\Ause \S+\Z/use ?/i       # Abstract the DB in USE
       && return $query;
 
-   $query =~ s/\\["']//g;                # quoted strings
-   $query =~ s/".*?"/?/sg;               # quoted strings
-   $query =~ s/'.*?'/?/sg;               # quoted strings
+   $query =~ s/([^\\])(\\')/$1/sg;    
+   $query =~ s/([^\\])(\\")/$1/sg;    
+   $query =~ s/\\\\//sg;              
+   $query =~ s/\\'//sg;               
+   $query =~ s/\\"//sg;                        
+   $query =~ s/([^\\])(".*?[^\\]?")/$1?/sg;    
+   $query =~ s/([^\\])('.*?[^\\]?')/$1?/sg;    
 
    $query =~ s/\bfalse\b|\btrue\b/?/isg; # boolean values
 

bin/pt-kill

@@ -4911,9 +4911,13 @@ sub fingerprint {
    $query =~ s/\Ause \S+\Z/use ?/i       # Abstract the DB in USE
       && return $query;
 
-   $query =~ s/\\["']//g;                # quoted strings
-   $query =~ s/".*?"/?/sg;               # quoted strings
-   $query =~ s/'.*?'/?/sg;               # quoted strings
+   $query =~ s/([^\\])(\\')/$1/sg;    
+   $query =~ s/([^\\])(\\")/$1/sg;    
+   $query =~ s/\\\\//sg;              
+   $query =~ s/\\'//sg;               
+   $query =~ s/\\"//sg;                        
+   $query =~ s/([^\\])(".*?[^\\]?")/$1?/sg;    
+   $query =~ s/([^\\])('.*?[^\\]?')/$1?/sg;    
 
    $query =~ s/\bfalse\b|\btrue\b/?/isg; # boolean values
 

bin/pt-query-digest

@@ -2945,9 +2945,13 @@ sub fingerprint {
    $query =~ s/\Ause \S+\Z/use ?/i       # Abstract the DB in USE
       && return $query;
 
-   $query =~ s/\\["']//g;                # quoted strings
-   $query =~ s/".*?"/?/sg;               # quoted strings
-   $query =~ s/'.*?'/?/sg;               # quoted strings
+   $query =~ s/([^\\])(\\')/$1/sg;    
+   $query =~ s/([^\\])(\\")/$1/sg;    
+   $query =~ s/\\\\//sg;              
+   $query =~ s/\\'//sg;               
+   $query =~ s/\\"//sg;                        
+   $query =~ s/([^\\])(".*?[^\\]?")/$1?/sg;    
+   $query =~ s/([^\\])('.*?[^\\]?')/$1?/sg;    
 
    $query =~ s/\bfalse\b|\btrue\b/?/isg; # boolean values 
 

bin/pt-stalk

@@ -822,7 +822,7 @@ collect() {
 
    local mysql_version="$(awk '/^version[^_]/{print substr($2,1,3)}' "$d/$p-variables")"
 
-   local mysql_error_log="$(awk '/^log_error /{print $2}' "$d/$p-variables")"
+   local mysql_error_log="$(awk '/^log_error/{print $2}' "$d/$p-variables")"
    if [ -z "$mysql_error_log" -a "$mysqld_pid" ]; then
       mysql_error_log="$(ls -l /proc/$mysqld_pid/fd | awk '/ 2 ->/{print $NF}')"
    fi
@@ -833,10 +833,10 @@ collect() {
       tail -f "$mysql_error_log" >"$d/$p-log_error" &
       tail_error_log_pid=$!
 
-      $CMD_MYSQLADMIN $EXT_ARGV
+      $CMD_MYSQLADMIN $EXT_ARGV debug
    else
       log "Could not find the MySQL error log"
-   fi
+   fi 
    if [ "${mysql_version}" '>' "5.1" ]; then
       local mutex="SHOW ENGINE INNODB MUTEX"
    else
@@ -869,12 +869,7 @@ collect() {
       local strace_pid=$!
    fi
 
-   local cnt=$(($OPT_RUN_TIME / $OPT_SLEEP_COLLECT))
-
-   $CMD_MYSQLADMIN $EXT_ARGV ext -i$OPT_SLEEP_COLLECT -c$cnt >>"$d/$p-mysqladmin" &
-   local mysqladmin_pid=$!
-
-   if [ ! "$OPT_MYSQL_ONLY" ]; then
+   if [ ! "$OPT_MYSQL_ONLY" ]; then 
       ps -eaF  >> "$d/$p-ps"  &
       top -bn${OPT_RUN_TIME} >> "$d/$p-top" &
 
@@ -887,9 +882,10 @@ collect() {
       if [ "$CMD_DMESG" ]; then
          local UPTIME=`cat /proc/uptime | awk '{ print $1 }'`
          local START_TIME=$(echo "$UPTIME 60" | awk '{print ($1 - $2)}')
-         $CMD_DMESG  | perl -ne 'm/\[\s*(\d+)\./; if ($1 > '${START_TIME}') { print }' >> "$d/$p-dmesg" &
+         $CMD_DMESG  | perl -ne 'm/\[\s*(\d+)\./; if ($1 > '${START_TIME}') { print }' >> "$d/$p-dmesg" & 
       fi
 
+      local cnt=$(($OPT_RUN_TIME / $OPT_SLEEP_COLLECT))
       if [ "$CMD_VMSTAT" ]; then
          $CMD_VMSTAT $OPT_SLEEP_COLLECT $cnt >> "$d/$p-vmstat" &
          $CMD_VMSTAT $OPT_RUN_TIME 2 >> "$d/$p-vmstat-overall" &
@@ -902,7 +898,10 @@ collect() {
          $CMD_MPSTAT -P ALL $OPT_SLEEP_COLLECT $cnt >> "$d/$p-mpstat" &
          $CMD_MPSTAT -P ALL $OPT_RUN_TIME 1 >> "$d/$p-mpstat-overall" &
       fi
-   fi
+
+      $CMD_MYSQLADMIN $EXT_ARGV ext -i$OPT_SLEEP_COLLECT -c$cnt >>"$d/$p-mysqladmin" &
+      local mysqladmin_pid=$!
+   fi 
 
    local have_lock_waits_table=""
    $CMD_MYSQL $EXT_ARGV -e "SHOW TABLES FROM INFORMATION_SCHEMA" \
@@ -917,7 +916,7 @@ collect() {
    local ps_instrumentation_enabled=$($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
 
@@ -956,12 +955,12 @@ collect() {
          (echo $ts; df -k) >> "$d/$p-df" &
          (echo $ts; netstat -antp) >> "$d/$p-netstat"   &
          (echo $ts; netstat -s)    >> "$d/$p-netstat_s" &
-     fi
-      ($CMD_MYSQL $EXT_ARGV -e "SHOW FULL PROCESSLIST\G") \
+      fi
+      (echo $ts; $CMD_MYSQL $EXT_ARGV -e "SHOW FULL PROCESSLIST\G") \
          >> "$d/$p-processlist" &
       if [ "$have_lock_waits_table" ]; then
-         (lock_waits)   >>"$d/$p-lock-waits" &
-         (transactions) >>"$d/$p-transactions" &
+         (echo $ts; lock_waits)   >>"$d/$p-lock-waits" &
+         (echo $ts; transactions) >>"$d/$p-transactions" &
       fi
 
       if [ "${mysql_version}" '>' "5.6" ] && [ $ps_instrumentation_enabled == "yes" ]; then
@@ -969,10 +968,10 @@ collect() {
       fi
 
       if [ "${mysql_version}" '>' "5.6" ]; then
-         (ps_prepared_statements) >> "$d/$p-prepared-statements" &
+         (echo $ts; ps_prepared_statements) >> "$d/$p-prepared-statements" &
       fi
 
-      slave_status "$d/$p-slave-status" "${mysql_version}"
+      slave_status "$d/$p-slave-status" "${mysql_version}" 
 
       curr_time=$(date +'%s')
    done
@@ -1077,7 +1076,7 @@ lock_waits() {
    LEFT JOIN INFORMATION_SCHEMA.PROCESSLIST AS p ON p.id = b.trx_mysql_thread_id
    ORDER BY wait_time DESC\G"
    $CMD_MYSQL $EXT_ARGV -e "$sql2"
-}
+} 
 
 transactions() {
    $CMD_MYSQL $EXT_ARGV -e "SELECT SQL_NO_CACHE * FROM INFORMATION_SCHEMA.INNODB_TRX ORDER BY trx_id\G"
@@ -1126,8 +1125,8 @@ rocksdb_status() {
 }
 
 ps_locks_transactions() {
-   local outfile=$1
-
+   local outfile=$1 
+   
    $CMD_MYSQL $EXT_ARGV -e 'select @@performance_schema' | grep "1" &>/dev/null
 
    if [ $? -eq 0 ]; then
@@ -1163,27 +1162,28 @@ slave_status() {
    local outfile=$1
    local mysql_version=$2
 
-   local sql="SHOW SLAVE STATUS\G"
-   echo -e "\n$sql\n" >> $outfile
-   $CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
-   if [ "${mysql_version}" '>' "5.6" ]; then
+   if [ "${mysql_version}" '<' "5.7" ]; then
+      local sql="SHOW SLAVE STATUS\G"  
+      echo -e "\n$sql\n" >> $outfile
+      $CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
+   else
       local sql="SELECT * FROM performance_schema.replication_connection_configuration JOIN performance_schema.replication_applier_configuration USING(channel_name)\G"
       echo -e "\n$sql\n" >> $outfile
       $CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
 
-      sql="SELECT * FROM performance_schema.replication_connection_status\G"
+      sql="SELECT * FROM replication_connection_status\G"
       echo -e "\n$sql\n" >> $outfile
       $CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
 
-      sql="SELECT * FROM performance_schema.replication_applier_status JOIN performance_schema.replication_applier_status_by_coordinator USING(channel_name)\G"
+      sql="SELECT * FROM replication_applier_status JOIN replication_applier_status_by_coordinator USING(channel_name)\G"
       echo -e "\n$sql\n" >> $outfile
       $CMD_MYSQL $EXT_ARGV -e "$sql" >> $outfile
    fi
+
 }
 
-
 collect_mysql_variables() {
-   local outfile=$1
+   local outfile=$1 
 
    local sql="SHOW GLOBAL VARIABLES"
    echo -e "\n$sql\n" >> $outfile
@@ -1192,11 +1192,11 @@ collect_mysql_variables() {
    sql="select * from performance_schema.variables_by_thread order by thread_id, variable_name;"
    echo -e "\n$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

bin/pt-table-usage

@@ -2946,9 +2946,13 @@ sub fingerprint {
    $query =~ s/\Ause \S+\Z/use ?/i       # Abstract the DB in USE
       && return $query;
 
-   $query =~ s/\\["']//g;                # quoted strings
-   $query =~ s/".*?"/?/sg;               # quoted strings
-   $query =~ s/'.*?'/?/sg;               # quoted strings
+   $query =~ s/([^\\])(\\')/$1/sg;    
+   $query =~ s/([^\\])(\\")/$1/sg;    
+   $query =~ s/\\\\//sg;              
+   $query =~ s/\\'//sg;               
+   $query =~ s/\\"//sg;                        
+   $query =~ s/([^\\])(".*?[^\\]?")/$1?/sg;    
+   $query =~ s/([^\\])('.*?[^\\]?')/$1?/sg;    
 
    $query =~ s/\bfalse\b|\btrue\b/?/isg; # boolean values 
 

bin/pt-upgrade

@@ -4818,9 +4818,13 @@ sub fingerprint {
    $query =~ s/\Ause \S+\Z/use ?/i       # Abstract the DB in USE
       && return $query;
 
-   $query =~ s/\\["']//g;                # quoted strings
-   $query =~ s/".*?"/?/sg;               # quoted strings
-   $query =~ s/'.*?'/?/sg;               # quoted strings
+   $query =~ s/([^\\])(\\')/$1/sg;    
+   $query =~ s/([^\\])(\\")/$1/sg;    
+   $query =~ s/\\\\//sg;              
+   $query =~ s/\\'//sg;               
+   $query =~ s/\\"//sg;                        
+   $query =~ s/([^\\])(".*?[^\\]?")/$1?/sg;    
+   $query =~ s/([^\\])('.*?[^\\]?')/$1?/sg;    
 
    $query =~ s/\bfalse\b|\btrue\b/?/isg; # boolean values 
 

lib/QueryRewriter.pm

@@ -173,9 +173,17 @@ sub fingerprint {
    $query =~ s/\Ause \S+\Z/use ?/i       # Abstract the DB in USE
       && return $query;
 
-   $query =~ s/\\["']//g;                # quoted strings
-   $query =~ s/".*?"/?/sg;               # quoted strings
-   $query =~ s/'.*?'/?/sg;               # quoted strings
+   # -----------------------------------------------------------
+   # Remove quoted strings 
+   # -----------------------------------------------------------
+   $query =~ s/([^\\])(\\')/$1/sg;    
+   $query =~ s/([^\\])(\\")/$1/sg;    
+   $query =~ s/\\\\//sg;              
+   $query =~ s/\\'//sg;               
+   $query =~ s/\\"//sg;                        
+   $query =~ s/([^\\])(".*?[^\\]?")/$1?/sg;    
+   $query =~ s/([^\\])('.*?[^\\]?')/$1?/sg;    
+   # -----------------------------------------------------------
 
    $query =~ s/\bfalse\b|\btrue\b/?/isg; # boolean values 
 
@@ -218,8 +226,8 @@ sub fingerprint {
    $query =~ s/\blimit \?(?:, ?\?| offset \?)?/limit ?/; # LIMIT
    # The following are disabled because of speed issues.  Should we try to
    # normalize whitespace between and around operators?  My gut feeling is no.
-   # $query =~ s/ , | ,|, /,/g;    # Normalize commas
-   # $query =~ s/ = | =|= /=/g;       # Normalize equals
+   # $query =~ s/ , | ,|, /,/g;                # Normalize commas
+   # $query =~ s/ = | =|= /=/g;                # Normalize equals
    # $query =~ s# [,=+*/-] ?|[,=+*/-] #+#g;    # Normalize operators
 
    # Remove ASC keywords from ORDER BY clause so these queries fingerprint

lib/bash/collect.sh

@@ -52,7 +52,8 @@ collect() {
    local mysqld_pid=""
    # Get pidof mysqld.
    if [ ! "$OPT_MYSQL_ONLY" ]; then
-      mysqld_pid=$(_pidof mysqld | awk '{print $1; exit;}')
+      port=$(mysql -ss -e 'SELECT @@port')
+      mysqld_pid=$(lsof -i ":${port}" | grep -i listen | cut -f 3 -d" ")
    fi
 
    # Get memory allocation info before anything else.

src/go/Makefile

@@ -3,10 +3,17 @@ help:                 ## Display this help message.
 	@grep '^[a-zA-Z]' $(MAKEFILE_LIST) | \
 		awk -F ':.*?## ' 'NF==2 {printf "  %-26s%s\n", $$1, $$2}'
 
+DATE_FMT = +%FT%T%z
+ifdef SOURCE_DATE_EPOCH
+    BUILD_DATE ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "$(DATE_FMT)" 2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "$(DATE_FMT)" 2>/dev/null || date -u "$(DATE_FMT)")
+else
+    BUILD_DATE ?= $(shell date "$(DATE_FMT)")
+endif
+
 GO := go
 pkgs = $(shell find . -type d -name "pt-*" -exec basename {} \;)
 VERSION=$(shell git describe --abbrev=0 --tags)
-BUILD=$(shell date +%FT%T%z)
+BUILD=$(BUILD_DATE)
 GOVERSION=$(shell go version | cut --delimiter=" " -f3)
 COMMIT=$(shell git rev-list -1 HEAD)
 GOUTILSDIR ?= $(GOPATH)/bin

t/lib/QueryRewriter.t

@@ -162,7 +162,7 @@ is(
 # This is a known deficiency, fixes seem to be expensive though.
 is(
    $qr->fingerprint("select '\\\\' from foo"),
-   "select '\\ from foo",
+   "select ? from foo",
    "Does not handle all quoted strings",
 );
 
@@ -1478,6 +1478,19 @@ is(
    "Fingerprint db.tbl<number>name (preserve number)"
 );
 
+is(
+   $qr->fingerprint(
+      "SELECT i FROM d.t WHERE i=\"3\""
+   ),
+   "select i from d.t where i=?",
+   "Fingerprint db.tbl<number>name (preserve number)"
+);
+
+is(
+   $qr->fingerprint("CALL foo(1, 2, 3)"),
+   "call foo",
+   'Fingerprints stored procedure calls specially',
+);
 # #############################################################################
 # Done.
 # #############################################################################

t/pt-query-digest/samples/genlog005.txt

@@ -259,7 +259,7 @@ SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`, (SELECT DB_first_leve
 # EXPLAIN /*!50100 PARTITIONS*/
 SELECT USER()\G
 
-# Query 12: 0 QPS, 0x concurrency, ID 0x75A885FE43F31908754B91A2F3BD1E20 at byte 1082
+# Query 12: 0 QPS, 0x concurrency, ID 0x15BF4DCE0B364CE831C14D6853A472B7 at byte 1082
 # This item is included in the report because it matches --limit.
 # Scores: V/M = 0.00
 # Time range: all events occurred at 2016-06-07T19:07:02.565999Z
@@ -303,4 +303,4 @@ SELECT 1 FROM (SELECT `GRANTEE`, `IS_GRANTABLE` FROM `INFORMATION_SCHEMA`.`COLUM
 #    9 0xDDABDE67AC3044CAED549F59FFFA541B   0.0000  0.0%     1 0.0000  0.00 SELECT phpmyadmin.pma__navigationhiding
 #   10 0x35CCC630581DCD5AA46100310F18DEB9   0.0000  0.0%     1 0.0000  0.00 SELECT INFORMATION_SCHEMA.SCHEMATA
 #   11 0x7B48FAA9C951DD8A389FF9DA2DF3DF62   0.0000  0.0%     1 0.0000  0.00 SELECT
-#   12 0x75A885FE43F31908754B91A2F3BD1E20   0.0000  0.0%     1 0.0000  0.00 SELECT UNION INFORMATION_SCHEMA.COLUMN_PRIVILEGES INFORMATION_SCHEMA.TABLE_PRIVILEGES INFORMATION_SCHEMA.SCHEMA_PRIVILEGES INFORMATION_SCHEMA.USER_PRIVILEGES
+#   12 0x15BF4DCE0B364CE831C14D6853A472B7   0.0000  0.0%     1 0.0000  0.00 SELECT UNION INFORMATION_SCHEMA.COLUMN_PRIVILEGES INFORMATION_SCHEMA.TABLE_PRIVILEGES INFORMATION_SCHEMA.SCHEMA_PRIVILEGES INFORMATION_SCHEMA.USER_PRIVILEGES

t/pt-query-digest/samples/proclist001.txt

@@ -1 +1 @@
-# Exec time    100     10s      1s      3s      2s      3s   896ms      2s
+# Exec time    100      9s      2s      4s      3s      4s   786ms      3s