107 lines
2.6 KiB
Perl
107 lines
2.6 KiB
Perl
|
# perf trace event handlers, generated by perf trace -g perl
|
||
|
|
# (c) 2009, Tom Zanussi <tzanussi@gmail.com>
|
||
|
|
# Licensed under the terms of the GNU GPL License version 2
|
||
|
|
|
||
|
|
# This script tests basic functionality such as flag and symbol
|
||
|
|
# strings, common_xxx() calls back into perf, begin, end, unhandled
|
||
|
|
# events, etc. Basically, if this script runs successfully and
|
||
|
|
# displays expected results, perl scripting support should be ok.
|
||
|
|
|
||
|
|
use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/Perf-Trace-Util/lib";
|
||
|
|
use lib "./Perf-Trace-Util/lib";
|
||
|
|
use Perf::Trace::Core;
|
||
|
|
use Perf::Trace::Context;
|
||
|
|
use Perf::Trace::Util;
|
||
|
|
|
||
|
|
sub trace_begin
|
||
|
|
{
|
||
|
|
print "trace_begin\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
sub trace_end
|
||
|
|
{
|
||
|
|
print "trace_end\n";
|
||
|
|
|
||
|
|
print_unhandled();
|
||
|
|
}
|
||
|
|
|
||
|
|
sub irq::softirq_entry
|
||
|
|
{
|
||
|
|
my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
|
||
|
|
$common_pid, $common_comm,
|
||
|
|
$vec) = @_;
|
||
|
|
|
||
|
|
print_header($event_name, $common_cpu, $common_secs, $common_nsecs,
|
||
|
|
$common_pid, $common_comm);
|
||
|
|
|
||
|
|
print_uncommon($context);
|
||
|
|
|
||
|
|
printf("vec=%s\n",
|
||
|
|
symbol_str("irq::softirq_entry", "vec", $vec));
|
||
|
|
}
|
||
|
|
|
||
|
|
sub kmem::kmalloc
|
||
|
|
{
|
||
|
|
my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
|
||
|
|
$common_pid, $common_comm,
|
||
|
|
$call_site, $ptr, $bytes_req, $bytes_alloc,
|
||
|
|
$gfp_flags) = @_;
|
||
|
|
|
||
|
|
print_header($event_name, $common_cpu, $common_secs, $common_nsecs,
|
||
|
|
$common_pid, $common_comm);
|
||
|
|
|
||
|
|
print_uncommon($context);
|
||
|
|
|
||
|
|
printf("call_site=%p, ptr=%p, bytes_req=%u, bytes_alloc=%u, ".
|
||
|
|
"gfp_flags=%s\n",
|
||
|
|
$call_site, $ptr, $bytes_req, $bytes_alloc,
|
||
|
|
|
||
|
|
flag_str("kmem::kmalloc", "gfp_flags", $gfp_flags));
|
||
|
|
}
|
||
|
|
|
||
|
|
# print trace fields not included in handler args
|
||
|
|
sub print_uncommon
|
||
|
|
{
|
||
|
|
my ($context) = @_;
|
||
|
|
|
||
|
|
printf("common_preempt_count=%d, common_flags=%s, common_lock_depth=%d, ",
|
||
|
|
common_pc($context), trace_flag_str(common_flags($context)),
|
||
|
|
common_lock_depth($context));
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
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}++;
|
||
|
|
}
|
||
|
|
|
||
|
|
sub print_header
|
||
|
|
{
|
||
|
|
my ($event_name, $cpu, $secs, $nsecs, $pid, $comm) = @_;
|
||
|
|
|
||
|
|
printf("%-20s %5u %05u.%09u %8u %-20s ",
|
||
|
|
$event_name, $cpu, $secs, $nsecs, $pid, $comm);
|
||
|
|
}
|