Port improved pt-pmp

- Updated documentation for pt-eustack-resolver and pt-pmp
- Added pt-eustack-resolver, pt-pmp and other missed tools into docs/percona-toolkit.pod
- Removed quickstack support from pt-pmp. We do not need to port this
  improvement, because quickstack is not actively developed and does not
  create useful stack traces for Percona Server for MySQL 8.0.

bin/pt-eustack-resolver

@@ -113,16 +113,20 @@ foreach $lwp (sort {$a<=>$b} keys %sf)
 # ############################################################################
 # Documentation
 # ############################################################################
+
 =pod
 
 =head1 NAME
 
-pt-eustack-resover - Get stack traces for a selected program with eu-stack and resolve symbols 
+pt-eustack-resolver - Get stack traces for a selected program with C<eu-stack> 
+and resolve symbols.
 
 =head1 SYNOPSIS
 
 Usage: pt-eustack-resolver <pid>
 
+pt-eustack-resolver collects stack traces for the process with specified C<pid>.
+
 =head1 RISKS
 
 Percona Toolkit is mature, proven in the real world, and well tested,
@@ -143,17 +147,17 @@ server.  Before using this tool, please:
 
 =head1 DESCRIPTION
 
-pt-eustack-resover is the tool that gets stack traces for a selected program 
+pt-eustack-resolver is the tool that gets stack traces for a selected program 
-with eu-stack and resolves symbols. This is companion tool for L<pt-pmp>, called
+with C<eu-stack> and resolves symbols. This is companion tool for L<pt-pmp|pt-pmp.html>, called
-when option --dumper=pteu is specified.
+when option C<--dumper=pteu> is specified.
 
-eu-stack is a tool from elfutils package that prints a stack for each thread in 
+C<eu-stack> is a tool from L<elfutils|https://sourceware.org/elfutils> package that 
-a process or core file. eu-stack is faster than gdb and smaller overhead on the
+prints a stack for each thread in a process or core file. C<eu-stack> is faster 
-diagnosed process.
+than gdb and have smaller overhead on the diagnosed process.
 
 =head1 OUTPUT
 
-Stack for each thread, formatted similarly to `gdb thread apply all bt` output.
+Stack for each thread, formatted similarly to C<gdb thread apply all bt> output.
 
 =head1 ATTENTION
 
@@ -162,7 +166,7 @@ parameters are shown in the output.
 
 =head1 SYSTEM REQUIREMENTS
 
-You need eu-stack from the elfutils package.
+You need C<eu-stack> from the L<elfutils|https://sourceware.org/elfutils> package.
 
 =head1 BUGS
 

bin/pt-pmp

@@ -619,7 +619,7 @@ aggregate_stacktrace() {
                         }
                      }
                   }
-                  if ( dumper ~ /gdb/ || dumper ~ /qs/ ) {
+                  if ( dumper ~ /gdb/ ) {
                      targ = substr(\$0, index(\$0, \" in \") + 4);
                      if ( targ ~ / from / ) {
                         targ = substr(targ, 1, index(targ, \" from \") - 1);
@@ -735,14 +735,8 @@ main() {
            else
               die "Can't find eu-stack binary from elfutils or pt-eustack-resolver. Exiting"
            fi
-        elif [ $OPT_DUMPER == "qs" ]; then
-           if [ `_which quickstack` ]; then
-              quickstack -l -f -p $OPT_PID >> "$output_file"
-           else
-              die "Can't find quickstack binary from https://github.com/yoshinorim/quickstack. Exiting"
-           fi
         fi
-             
+        
         date +'TS %N.%s %F %T' >> "$output_file"
         sleep $OPT_INTERVAL
       done
@@ -851,7 +845,7 @@ Which binary to trace.
 
 short form: -d; type: string; default: gdb
 
-Which dumper use to get stack traces(gdb: gdb, eu: eu-stack, pteu: pt-eustack-resolver, qs: quickstack).
+Which dumper use to get stack traces(gdb: gdb, eu: eu-stack, pteu: pt-eustack-resolver).
 
 =item --tids
 
@@ -859,6 +853,28 @@ short form: -t; type: string; default: *
 
 Extract traces only for specific tids.
 
+This option uses regular expressions to select threads. For example, if the
+collected stack trace has data for threads:
+
+  [New Thread 0x52173940 (LWP 23846)]
+  [New Thread 0x52132940 (LWP 23845)]
+  [New Thread 0x520f1940 (LWP 23844)]
+  [New Thread 0x520b0940 (LWP 23798)]
+  [New Thread 0x5206f940 (LWP 23776)]
+  [New Thread 0x5202e940 (LWP 23775)]
+  [New Thread 0x51fed940 (LWP 23774)]
+  [New Thread 0x51fac940 (LWP 23728)]
+  [New Thread 0x51f6b940 (LWP 23727)]
+  [New Thread 0x51f2a940 (LWP 21264)]
+  [New Thread 0x51ee9940 (LWP 21263)]
+  [New Thread 0x51ea8940 (LWP 21201)]
+
+C<-t 21> will print stack traces for threads 21264, 21263, 21201
+
+C<-t 21201,23846> will print stack traces for threads 21201, 23846
+
+C<-t 21201,237.8> will print stack traces for threads 21201, 23798, 23728
+
 =item --help
 
 Show help and exit.

docs/percona-toolkit.pod

@@ -50,6 +50,10 @@ An interactive I/O monitoring tool for GNU/Linux.
 
 Find duplicate indexes and foreign keys on MySQL tables.
 
+=item pt-eustack-resolver
+
+Get stack traces for a selected program with eu-stack and resolve symbols.
+
 =item pt-fifo-split
 
 Split files and pipe lines to a fifo without really splitting.
@@ -66,6 +70,10 @@ Convert queries into fingerprints.
 
 Log MySQL foreign key errors.
 
+=item pt-galera-log-explainer
+
+Filter, aggregate and summarize multiple galera logs together.
+
 =item pt-heartbeat
 
 Monitor MySQL replication delay.
@@ -78,6 +86,10 @@ Read queries from a log and analyze how they use indexes.
 
 Watch process IO and print a table of file and I/O activity.
 
+=item pt-k8s-debug-collector
+
+Collect debug data from a k8s/OpenShift cluster.
+
 =item pt-kill
 
 Kill MySQL queries that match certain criteria.
@@ -94,6 +106,10 @@ Performs checks on MongoDB indexes
 
 Reports query usage statistics by aggregating queries from MongoDB query profiler
 
+=item pt-mongodb-summary
+
+Collect information about a MongoDB cluster.
+
 =item pt-mysql-summary
 
 Summarize MySQL information nicely.
@@ -102,6 +118,10 @@ Summarize MySQL information nicely.
 
 ALTER tables without locking them.
 
+=item pt-pg-summary
+
+Collect information about a PostgreSQL cluster.
+
 =item pt-pmp
 
 Aggregate GDB stack traces for a selected program.
@@ -110,6 +130,10 @@ Aggregate GDB stack traces for a selected program.
 
 Analyze MySQL queries from logs, processlist, and tcpdump.
 
+=item pt-secure-collect
+
+Collect, sanitize, pack and encrypt data.
+
 =item pt-show-grants
 
 Canonicalize and print MySQL grants so you can effectively replicate, compare and version-control them.
@@ -545,7 +569,11 @@ Frank was a full-time Percona Toolkit developer employed by Percona until 2016.
 
 =item Carlos Salguero
 
-Carlos has been the project's lead developer since 2016. He is hired by Percona.
+Carlos has been the project's lead developer since 2016 until 2022.
+
+=item Sveta Smirnova
+
+Sveta has been the project's lead developer since 2022.
 
 =item Others