Linux Audio

Check our new training course

Loading...
v4.6
  1# perf script event handlers, generated by perf script -g perl
  2# (c) 2009, Tom Zanussi <tzanussi@gmail.com>
  3# Licensed under the terms of the GNU GPL License version 2
  4
  5# This script tests basic functionality such as flag and symbol
  6# strings, common_xxx() calls back into perf, begin, end, unhandled
  7# events, etc.  Basically, if this script runs successfully and
  8# displays expected results, perl scripting support should be ok.
  9
 10use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/Perf-Trace-Util/lib";
 11use lib "./Perf-Trace-Util/lib";
 12use Perf::Trace::Core;
 13use Perf::Trace::Context;
 14use Perf::Trace::Util;
 15
 16sub trace_begin
 17{
 18    print "trace_begin\n";
 19}
 20
 21sub trace_end
 22{
 23    print "trace_end\n";
 24
 25    print_unhandled();
 26}
 27
 28sub irq::softirq_entry
 29{
 30	my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
 31	    $common_pid, $common_comm,
 32	    $vec) = @_;
 33
 34	print_header($event_name, $common_cpu, $common_secs, $common_nsecs,
 35		     $common_pid, $common_comm);
 36
 37	print_uncommon($context);
 38
 39	printf("vec=%s\n",
 40	       symbol_str("irq::softirq_entry", "vec", $vec));
 41}
 42
 43sub kmem::kmalloc
 44{
 45	my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
 46	    $common_pid, $common_comm,
 47	    $call_site, $ptr, $bytes_req, $bytes_alloc,
 48	    $gfp_flags) = @_;
 49
 50	print_header($event_name, $common_cpu, $common_secs, $common_nsecs,
 51		     $common_pid, $common_comm);
 52
 53	print_uncommon($context);
 54
 55	printf("call_site=%p, ptr=%p, bytes_req=%u, bytes_alloc=%u, ".
 56	       "gfp_flags=%s\n",
 57	       $call_site, $ptr, $bytes_req, $bytes_alloc,
 58
 59	       flag_str("kmem::kmalloc", "gfp_flags", $gfp_flags));
 60}
 61
 62# print trace fields not included in handler args
 63sub print_uncommon
 64{
 65    my ($context) = @_;
 66
 67    printf("common_preempt_count=%d, common_flags=%s, common_lock_depth=%d, ",
 68	   common_pc($context), trace_flag_str(common_flags($context)),
 69	   common_lock_depth($context));
 70
 71}
 72
 73my %unhandled;
 74
 75sub print_unhandled
 76{
 77    if ((scalar keys %unhandled) == 0) {
 78	return;
 79    }
 80
 81    print "\nunhandled events:\n\n";
 82
 83    printf("%-40s  %10s\n", "event", "count");
 84    printf("%-40s  %10s\n", "----------------------------------------",
 85	   "-----------");
 86
 87    foreach my $event_name (keys %unhandled) {
 88	printf("%-40s  %10d\n", $event_name, $unhandled{$event_name});
 89    }
 90}
 91
 92sub trace_unhandled
 93{
 94    my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
 95	$common_pid, $common_comm) = @_;
 96
 97    $unhandled{$event_name}++;
 98}
 99
100sub print_header
101{
102	my ($event_name, $cpu, $secs, $nsecs, $pid, $comm) = @_;
103
104	printf("%-20s %5u %05u.%09u %8u %-20s ",
105	       $event_name, $cpu, $secs, $nsecs, $pid, $comm);
106}
v6.8
  1# perf script event handlers, generated by perf script -g perl
  2# (c) 2009, Tom Zanussi <tzanussi@gmail.com>
  3# Licensed under the terms of the GNU GPL License version 2
  4
  5# This script tests basic functionality such as flag and symbol
  6# strings, common_xxx() calls back into perf, begin, end, unhandled
  7# events, etc.  Basically, if this script runs successfully and
  8# displays expected results, perl scripting support should be ok.
  9
 10use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/Perf-Trace-Util/lib";
 11use lib "./Perf-Trace-Util/lib";
 12use Perf::Trace::Core;
 13use Perf::Trace::Context;
 14use Perf::Trace::Util;
 15
 16sub trace_begin
 17{
 18    print "trace_begin\n";
 19}
 20
 21sub trace_end
 22{
 23    print "trace_end\n";
 24
 25    print_unhandled();
 26}
 27
 28sub irq::softirq_entry
 29{
 30	my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
 31	    $common_pid, $common_comm, $common_callchain,
 32	    $vec) = @_;
 33
 34	print_header($event_name, $common_cpu, $common_secs, $common_nsecs,
 35		     $common_pid, $common_comm);
 36
 37	print_uncommon($context);
 38
 39	printf("vec=%s\n",
 40	       symbol_str("irq::softirq_entry", "vec", $vec));
 41}
 42
 43sub kmem::kmalloc
 44{
 45	my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
 46	    $common_pid, $common_comm, $common_callchain,
 47	    $call_site, $ptr, $bytes_req, $bytes_alloc,
 48	    $gfp_flags) = @_;
 49
 50	print_header($event_name, $common_cpu, $common_secs, $common_nsecs,
 51		     $common_pid, $common_comm);
 52
 53	print_uncommon($context);
 54
 55	printf("call_site=%p, ptr=%p, bytes_req=%u, bytes_alloc=%u, ".
 56	       "gfp_flags=%s\n",
 57	       $call_site, $ptr, $bytes_req, $bytes_alloc,
 58
 59	       flag_str("kmem::kmalloc", "gfp_flags", $gfp_flags));
 60}
 61
 62# print trace fields not included in handler args
 63sub print_uncommon
 64{
 65    my ($context) = @_;
 66
 67    printf("common_preempt_count=%d, common_flags=%s, common_lock_depth=%d, ",
 68	   common_pc($context), trace_flag_str(common_flags($context)),
 69	   common_lock_depth($context));
 70
 71}
 72
 73my %unhandled;
 74
 75sub print_unhandled
 76{
 77    if ((scalar keys %unhandled) == 0) {
 78	return;
 79    }
 80
 81    print "\nunhandled events:\n\n";
 82
 83    printf("%-40s  %10s\n", "event", "count");
 84    printf("%-40s  %10s\n", "----------------------------------------",
 85	   "-----------");
 86
 87    foreach my $event_name (keys %unhandled) {
 88	printf("%-40s  %10d\n", $event_name, $unhandled{$event_name});
 89    }
 90}
 91
 92sub trace_unhandled
 93{
 94    my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
 95	$common_pid, $common_comm, $common_callchain) = @_;
 96
 97    $unhandled{$event_name}++;
 98}
 99
100sub print_header
101{
102	my ($event_name, $cpu, $secs, $nsecs, $pid, $comm) = @_;
103
104	printf("%-20s %5u %05u.%09u %8u %-20s ",
105	       $event_name, $cpu, $secs, $nsecs, $pid, $comm);
106}