#!/usr/bin/perl -w# (c) 2009, Tom Zanussi <tzanussi@gmail.com># Licensed under the terms of the GNU GPL License version 2 # Displays workqueue stats## Usage:## perf record -c 1 -f -a -R -e workqueue:workqueue_creation -e# workqueue:workqueue_destruction -e workqueue:workqueue_execution# -e workqueue:workqueue_insertion## perf script -p -s tools/perf/scripts/perl/workqueue-stats.pl use 5.010000;use strict;use warnings; use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/Perf-Trace-Util/lib";use lib "./Perf-Trace-Util/lib";use Perf::Trace::Core;use Perf::Trace::Util; my @cpus; sub workqueue::workqueue_destruction{ my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs, $common_pid, $common_comm, $thread_comm, $thread_pid) = @_; $cpus[$common_cpu]{$thread_pid}{destroyed}++; $cpus[$common_cpu]{$thread_pid}{comm} = $thread_comm;} sub workqueue::workqueue_creation{ my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs, $common_pid, $common_comm, $thread_comm, $thread_pid, $cpu) = @_; $cpus[$common_cpu]{$thread_pid}{created}++; $cpus[$common_cpu]{$thread_pid}{comm} = $thread_comm;} sub workqueue::workqueue_execution{ my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs, $common_pid, $common_comm, $thread_comm, $thread_pid, $func) = @_; $cpus[$common_cpu]{$thread_pid}{executed}++; $cpus[$common_cpu]{$thread_pid}{comm} = $thread_comm;} sub workqueue::workqueue_insertion{ my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs, $common_pid, $common_comm, $thread_comm, $thread_pid, $func) = @_; $cpus[$common_cpu]{$thread_pid}{inserted}++; $cpus[$common_cpu]{$thread_pid}{comm} = $thread_comm;} sub trace_end{ print "workqueue work stats:\n\n"; my $cpu = 0; printf("%3s %6s %6s\t%-20s\n", "cpu", "ins", "exec", "name"); printf("%3s %6s %6s\t%-20s\n", "---", "---", "----", "----"); foreach my $pidhash (@cpus) { while ((my $pid, my $wqhash) = each %$pidhash) { my $ins = $$wqhash{'inserted'} || 0; my $exe = $$wqhash{'executed'} || 0; my $comm = $$wqhash{'comm'} || ""; if ($ins || $exe) { printf("%3u %6u %6u\t%-20s\n", $cpu, $ins, $exe, $comm); } } $cpu++; } $cpu = 0; print "\nworkqueue lifecycle stats:\n\n"; printf("%3s %6s %6s\t%-20s\n", "cpu", "created", "destroyed", "name"); printf("%3s %6s %6s\t%-20s\n", "---", "-------", "---------", "----"); foreach my $pidhash (@cpus) { while ((my $pid, my $wqhash) = each %$pidhash) { my $created = $$wqhash{'created'} || 0; my $destroyed = $$wqhash{'destroyed'} || 0; my $comm = $$wqhash{'comm'} || ""; if ($created || $destroyed) { printf("%3u %6u %6u\t%-20s\n", $cpu, $created, $destroyed, $comm); } } $cpu++; } print_unhandled();} my %unhandled; sub print_unhandled{ if ((scalar keys %unhandled) == 0) { return; } print "\nunhandled events:\n\n"; printf("%-40s %10s\n", "event", "count"); printf("%-40s %10s\n", "----------------------------------------", "-----------"); foreach my $event_name (keys %unhandled) { printf("%-40s %10d\n", $event_name, $unhandled{$event_name}); }} sub trace_unhandled{ my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs, $common_pid, $common_comm) = @_; $unhandled{$event_name}++;}
#!/usr/bin/perl -w
# (c) 2009, Tom Zanussi <tzanussi@gmail.com>
# Licensed under the terms of the GNU GPL License version 2
# Displays workqueue stats
#
# Usage:
#
# perf record -c 1 -f -a -R -e workqueue:workqueue_creation -e
# workqueue:workqueue_destruction -e workqueue:workqueue_execution
# -e workqueue:workqueue_insertion
#
# perf script -p -s tools/perf/scripts/perl/workqueue-stats.pl
use 5.010000;
use strict;
use warnings;
use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/Perf-Trace-Util/lib";
use lib "./Perf-Trace-Util/lib";
use Perf::Trace::Core;
use Perf::Trace::Util;
my @cpus;
sub workqueue::workqueue_destruction
{
my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
$common_pid, $common_comm,
$thread_comm, $thread_pid) = @_;
$cpus[$common_cpu]{$thread_pid}{destroyed}++;
$cpus[$common_cpu]{$thread_pid}{comm} = $thread_comm;
}
sub workqueue::workqueue_creation
{
my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
$common_pid, $common_comm,
$thread_comm, $thread_pid, $cpu) = @_;
$cpus[$common_cpu]{$thread_pid}{created}++;
$cpus[$common_cpu]{$thread_pid}{comm} = $thread_comm;
}
sub workqueue::workqueue_execution
{
my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
$common_pid, $common_comm,
$thread_comm, $thread_pid, $func) = @_;
$cpus[$common_cpu]{$thread_pid}{executed}++;
$cpus[$common_cpu]{$thread_pid}{comm} = $thread_comm;
}
sub workqueue::workqueue_insertion
{
my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
$common_pid, $common_comm,
$thread_comm, $thread_pid, $func) = @_;
$cpus[$common_cpu]{$thread_pid}{inserted}++;
$cpus[$common_cpu]{$thread_pid}{comm} = $thread_comm;
}
sub trace_end
{
print "workqueue work stats:\n\n";
my $cpu = 0;
printf("%3s %6s %6s\t%-20s\n", "cpu", "ins", "exec", "name");
printf("%3s %6s %6s\t%-20s\n", "---", "---", "----", "----");
foreach my $pidhash (@cpus) {
while ((my $pid, my $wqhash) = each %$pidhash) {
my $ins = $$wqhash{'inserted'} || 0;
my $exe = $$wqhash{'executed'} || 0;
my $comm = $$wqhash{'comm'} || "";
if ($ins || $exe) {
printf("%3u %6u %6u\t%-20s\n", $cpu, $ins, $exe, $comm);
}
}
$cpu++;
}
$cpu = 0;
print "\nworkqueue lifecycle stats:\n\n";
printf("%3s %6s %6s\t%-20s\n", "cpu", "created", "destroyed", "name");
printf("%3s %6s %6s\t%-20s\n", "---", "-------", "---------", "----");
foreach my $pidhash (@cpus) {
while ((my $pid, my $wqhash) = each %$pidhash) {
my $created = $$wqhash{'created'} || 0;
my $destroyed = $$wqhash{'destroyed'} || 0;
my $comm = $$wqhash{'comm'} || "";
if ($created || $destroyed) {
printf("%3u %6u %6u\t%-20s\n", $cpu, $created, $destroyed,
$comm);
}
}
$cpu++;
}
print_unhandled();
}
my %unhandled;
sub print_unhandled
{
if ((scalar keys %unhandled) == 0) {
return;
}
print "\nunhandled events:\n\n";
printf("%-40s %10s\n", "event", "count");
printf("%-40s %10s\n", "----------------------------------------",
"-----------");
foreach my $event_name (keys %unhandled) {
printf("%-40s %10d\n", $event_name, $unhandled{$event_name});
}
}
sub trace_unhandled
{
my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
$common_pid, $common_comm) = @_;
$unhandled{$event_name}++;
}