1 # failed system call counts 1 # failed system call counts 2 # (c) 2010, Tom Zanussi <tzanussi@gmail.com> 2 # (c) 2010, Tom Zanussi <tzanussi@gmail.com> 3 # Licensed under the terms of the GNU GPL Lice 3 # Licensed under the terms of the GNU GPL License version 2 4 # 4 # 5 # Displays system-wide failed system call tota 5 # Displays system-wide failed system call totals 6 # If a [comm] arg is specified, only syscalls 6 # If a [comm] arg is specified, only syscalls called by [comm] are displayed. 7 7 8 use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/P 8 use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/Perf-Trace-Util/lib"; 9 use lib "./Perf-Trace-Util/lib"; 9 use lib "./Perf-Trace-Util/lib"; 10 use Perf::Trace::Core; 10 use Perf::Trace::Core; 11 use Perf::Trace::Context; 11 use Perf::Trace::Context; 12 use Perf::Trace::Util; 12 use Perf::Trace::Util; 13 13 14 my $for_comm = shift; 14 my $for_comm = shift; 15 15 16 my %failed_syscalls; 16 my %failed_syscalls; 17 17 18 sub raw_syscalls::sys_exit 18 sub raw_syscalls::sys_exit 19 { 19 { 20 my ($event_name, $context, $common_cpu 20 my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs, 21 $common_pid, $common_comm, $common 21 $common_pid, $common_comm, $common_callchain, 22 $id, $ret) = @_; 22 $id, $ret) = @_; 23 23 24 if ($ret < 0) { 24 if ($ret < 0) { 25 $failed_syscalls{$common_comm}++; 25 $failed_syscalls{$common_comm}++; 26 } 26 } 27 } 27 } 28 28 29 sub syscalls::sys_exit 29 sub syscalls::sys_exit 30 { 30 { 31 raw_syscalls::sys_exit(@_) 31 raw_syscalls::sys_exit(@_) 32 } 32 } 33 33 34 sub trace_end 34 sub trace_end 35 { 35 { 36 printf("\nfailed syscalls by comm:\n\n"); 36 printf("\nfailed syscalls by comm:\n\n"); 37 37 38 printf("%-20s %10s\n", "comm", "# errors" 38 printf("%-20s %10s\n", "comm", "# errors"); 39 printf("%-20s %6s %10s\n", "------------ 39 printf("%-20s %6s %10s\n", "--------------------", "----------"); 40 40 41 foreach my $comm (sort {$failed_syscalls{$ 41 foreach my $comm (sort {$failed_syscalls{$b} <=> $failed_syscalls{$a}} 42 keys %failed_syscalls) { 42 keys %failed_syscalls) { 43 next if ($for_comm && $comm ne $for_co 43 next if ($for_comm && $comm ne $for_comm); 44 44 45 printf("%-20s %10s\n", $comm, $failed 45 printf("%-20s %10s\n", $comm, $failed_syscalls{$comm}); 46 } 46 } 47 } 47 }
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