# failed system call counts
# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
# Licensed under the terms of the GNU GPL License version 2
#
# Displays system-wide failed system call totals
# If a [comm] arg is specified, only syscalls called by [comm] are displayed.

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;

my $for_comm = shift;

my %failed_syscalls;

sub raw_syscalls::sys_exit
{
	my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
	    $common_pid, $common_comm,
	    $id, $ret) = @_;

	if ($ret < 0) {
	    $failed_syscalls{$common_comm}++;
	}
}

sub syscalls::sys_exit
{
	raw_syscalls::sys_exit(@_)
}

sub trace_end
{
    printf("\nfailed syscalls by comm:\n\n");

    printf("%-20s  %10s\n", "comm", "# errors");
    printf("%-20s  %6s  %10s\n", "--------------------", "----------");

    foreach my $comm (sort {$failed_syscalls{$b} <=> $failed_syscalls{$a}}
		      keys %failed_syscalls) {
	next if ($for_comm && $comm ne $for_comm);

	printf("%-20s  %10s\n", $comm, $failed_syscalls{$comm});
    }
}
elected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=1f3d62090d3ba4d0c14e5271be87812fc577b197'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?h=nds-private-remove&amp;id=1f3d62090d3ba4d0c14e5271be87812fc577b197'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings?h=nds-private-remove&amp;id=1f3d62090d3ba4d0c14e5271be87812fc577b197'>dt-bindings</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/dma?h=nds-private-remove&amp;id=1f3d62090d3ba4d0c14e5271be87812fc577b197'>dma</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/dma/sun4i-a10.h?h=nds-private-remove&amp;id=1f3d62090d3ba4d0c14e5271be87812fc577b197'>sun4i-a10.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/dma/sun4i-a10.h?h=nds-private-remove&amp;id=1f3d62090d3ba4d0c14e5271be87812fc577b197&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>