Files
android/tools/perf/scripts/perl/failed-syscalls.pl
threeeye bc1d038eac REVVL 6 Pro kernel bring-up: full working tree snapshot (2026-09-12)
Squashed backup commit (no shallow-clone history issues) of
xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream
commit 9eece662e) plus all fixes applied to get everpal_defconfig building
clean against a modern (GCC 15.2.0) toolchain -- see the previous commit
message on the lineage-23.2 branch (also in this repo history is not
available here since this is a squashed snapshot; full incremental history
lives in the local DL380 checkout and the upstream GitHub remote).

Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
2026-09-12 13:36:46 +00:00

48 lines
1.1 KiB
Raku

# 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});
}
}