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-rw-r--r--tools/perf/scripts/perl/Perf-Trace-Util/lib/Perf/Trace/Util.pm6
-rw-r--r--tools/perf/scripts/perl/bin/check-perf-trace-record2
-rw-r--r--tools/perf/scripts/perl/bin/failed-syscalls-record2
-rw-r--r--tools/perf/scripts/perl/bin/failed-syscalls-report8
-rw-r--r--tools/perf/scripts/perl/bin/rw-by-file-record3
-rw-r--r--tools/perf/scripts/perl/bin/rw-by-file-report8
-rw-r--r--tools/perf/scripts/perl/bin/rw-by-pid-record2
-rw-r--r--tools/perf/scripts/perl/bin/rw-by-pid-report2
-rw-r--r--tools/perf/scripts/perl/bin/rwtop-record2
-rw-r--r--tools/perf/scripts/perl/bin/rwtop-report23
-rw-r--r--tools/perf/scripts/perl/bin/wakeup-latency-record2
-rw-r--r--tools/perf/scripts/perl/bin/wakeup-latency-report2
-rw-r--r--tools/perf/scripts/perl/bin/workqueue-stats-record2
-rw-r--r--tools/perf/scripts/perl/bin/workqueue-stats-report2
-rw-r--r--tools/perf/scripts/perl/failed-syscalls.pl6
-rw-r--r--tools/perf/scripts/perl/rw-by-pid.pl60
-rw-r--r--tools/perf/scripts/perl/rwtop.pl199
-rw-r--r--tools/perf/scripts/perl/wakeup-latency.pl12
-rw-r--r--tools/perf/scripts/perl/workqueue-stats.pl12
19 files changed, 310 insertions, 45 deletions
diff --git a/tools/perf/scripts/perl/Perf-Trace-Util/lib/Perf/Trace/Util.pm b/tools/perf/scripts/perl/Perf-Trace-Util/lib/Perf/Trace/Util.pm
index f869c48dc9b0..d94b40c8ac85 100644
--- a/tools/perf/scripts/perl/Perf-Trace-Util/lib/Perf/Trace/Util.pm
+++ b/tools/perf/scripts/perl/Perf-Trace-Util/lib/Perf/Trace/Util.pm
@@ -15,6 +15,7 @@ our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } );
15 15
16our @EXPORT = qw( 16our @EXPORT = qw(
17avg nsecs nsecs_secs nsecs_nsecs nsecs_usecs print_nsecs 17avg nsecs nsecs_secs nsecs_nsecs nsecs_usecs print_nsecs
18clear_term
18); 19);
19 20
20our $VERSION = '0.01'; 21our $VERSION = '0.01';
@@ -55,6 +56,11 @@ sub nsecs_str {
55 return $str; 56 return $str;
56} 57}
57 58
59sub clear_term
60{
61 print "\x1b[H\x1b[2J";
62}
63
581; 641;
59__END__ 65__END__
60=head1 NAME 66=head1 NAME
diff --git a/tools/perf/scripts/perl/bin/check-perf-trace-record b/tools/perf/scripts/perl/bin/check-perf-trace-record
index e6cb1474f8e8..423ad6aed056 100644
--- a/tools/perf/scripts/perl/bin/check-perf-trace-record
+++ b/tools/perf/scripts/perl/bin/check-perf-trace-record
@@ -1,2 +1,2 @@
1#!/bin/bash 1#!/bin/bash
2perf record -c 1 -f -a -M -R -e kmem:kmalloc -e irq:softirq_entry -e kmem:kfree 2perf record -a -e kmem:kmalloc -e irq:softirq_entry -e kmem:kfree
diff --git a/tools/perf/scripts/perl/bin/failed-syscalls-record b/tools/perf/scripts/perl/bin/failed-syscalls-record
index f8885d389e6f..eb5846bcb565 100644
--- a/tools/perf/scripts/perl/bin/failed-syscalls-record
+++ b/tools/perf/scripts/perl/bin/failed-syscalls-record
@@ -1,2 +1,2 @@
1#!/bin/bash 1#!/bin/bash
2perf record -c 1 -f -a -M -R -e raw_syscalls:sys_exit 2perf record -a -e raw_syscalls:sys_exit $@
diff --git a/tools/perf/scripts/perl/bin/failed-syscalls-report b/tools/perf/scripts/perl/bin/failed-syscalls-report
index 8bfc660e5056..e3a5e55d54ff 100644
--- a/tools/perf/scripts/perl/bin/failed-syscalls-report
+++ b/tools/perf/scripts/perl/bin/failed-syscalls-report
@@ -1,4 +1,10 @@
1#!/bin/bash 1#!/bin/bash
2# description: system-wide failed syscalls 2# description: system-wide failed syscalls
3# args: [comm] 3# args: [comm]
4perf trace -s ~/libexec/perf-core/scripts/perl/failed-syscalls.pl $1 4if [ $# -gt 0 ] ; then
5 if ! expr match "$1" "-" > /dev/null ; then
6 comm=$1
7 shift
8 fi
9fi
10perf trace $@ -s ~/libexec/perf-core/scripts/perl/failed-syscalls.pl $comm
diff --git a/tools/perf/scripts/perl/bin/rw-by-file-record b/tools/perf/scripts/perl/bin/rw-by-file-record
index b25056ebf963..5bfaae5a6cba 100644
--- a/tools/perf/scripts/perl/bin/rw-by-file-record
+++ b/tools/perf/scripts/perl/bin/rw-by-file-record
@@ -1,2 +1,3 @@
1#!/bin/bash 1#!/bin/bash
2perf record -c 1 -f -a -M -R -e syscalls:sys_enter_read -e syscalls:sys_enter_write 2perf record -a -e syscalls:sys_enter_read -e syscalls:sys_enter_write $@
3
diff --git a/tools/perf/scripts/perl/bin/rw-by-file-report b/tools/perf/scripts/perl/bin/rw-by-file-report
index eddb9ccce6a5..d83070b7eeb5 100644
--- a/tools/perf/scripts/perl/bin/rw-by-file-report
+++ b/tools/perf/scripts/perl/bin/rw-by-file-report
@@ -1,7 +1,13 @@
1#!/bin/bash 1#!/bin/bash
2# description: r/w activity for a program, by file 2# description: r/w activity for a program, by file
3# args: <comm> 3# args: <comm>
4perf trace -s ~/libexec/perf-core/scripts/perl/rw-by-file.pl $1 4if [ $# -lt 1 ] ; then
5 echo "usage: rw-by-file <comm>"
6 exit
7fi
8comm=$1
9shift
10perf trace $@ -s ~/libexec/perf-core/scripts/perl/rw-by-file.pl $comm
5 11
6 12
7 13
diff --git a/tools/perf/scripts/perl/bin/rw-by-pid-record b/tools/perf/scripts/perl/bin/rw-by-pid-record
index 8903979c5b6c..6e0b2f7755ac 100644
--- a/tools/perf/scripts/perl/bin/rw-by-pid-record
+++ b/tools/perf/scripts/perl/bin/rw-by-pid-record
@@ -1,2 +1,2 @@
1#!/bin/bash 1#!/bin/bash
2perf record -c 1 -f -a -M -R -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write 2perf record -a -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@
diff --git a/tools/perf/scripts/perl/bin/rw-by-pid-report b/tools/perf/scripts/perl/bin/rw-by-pid-report
index 7f44c25cc857..7ef46983f62f 100644
--- a/tools/perf/scripts/perl/bin/rw-by-pid-report
+++ b/tools/perf/scripts/perl/bin/rw-by-pid-report
@@ -1,6 +1,6 @@
1#!/bin/bash 1#!/bin/bash
2# description: system-wide r/w activity 2# description: system-wide r/w activity
3perf trace -s ~/libexec/perf-core/scripts/perl/rw-by-pid.pl 3perf trace $@ -s ~/libexec/perf-core/scripts/perl/rw-by-pid.pl
4 4
5 5
6 6
diff --git a/tools/perf/scripts/perl/bin/rwtop-record b/tools/perf/scripts/perl/bin/rwtop-record
new file mode 100644
index 000000000000..6e0b2f7755ac
--- /dev/null
+++ b/tools/perf/scripts/perl/bin/rwtop-record
@@ -0,0 +1,2 @@
1#!/bin/bash
2perf record -a -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@
diff --git a/tools/perf/scripts/perl/bin/rwtop-report b/tools/perf/scripts/perl/bin/rwtop-report
new file mode 100644
index 000000000000..93e698cd3f38
--- /dev/null
+++ b/tools/perf/scripts/perl/bin/rwtop-report
@@ -0,0 +1,23 @@
1#!/bin/bash
2# description: system-wide r/w top
3# args: [interval]
4n_args=0
5for i in "$@"
6do
7 if expr match "$i" "-" > /dev/null ; then
8 break
9 fi
10 n_args=$(( $n_args + 1 ))
11done
12if [ "$n_args" -gt 1 ] ; then
13 echo "usage: rwtop-report [interval]"
14 exit
15fi
16if [ "$n_args" -gt 0 ] ; then
17 interval=$1
18 shift
19fi
20perf trace $@ -s ~/libexec/perf-core/scripts/perl/rwtop.pl $interval
21
22
23
diff --git a/tools/perf/scripts/perl/bin/wakeup-latency-record b/tools/perf/scripts/perl/bin/wakeup-latency-record
index 6abedda911a4..9f2acaaae9f0 100644
--- a/tools/perf/scripts/perl/bin/wakeup-latency-record
+++ b/tools/perf/scripts/perl/bin/wakeup-latency-record
@@ -1,5 +1,5 @@
1#!/bin/bash 1#!/bin/bash
2perf record -c 1 -f -a -M -R -e sched:sched_switch -e sched:sched_wakeup 2perf record -a -e sched:sched_switch -e sched:sched_wakeup $@
3 3
4 4
5 5
diff --git a/tools/perf/scripts/perl/bin/wakeup-latency-report b/tools/perf/scripts/perl/bin/wakeup-latency-report
index fce3adcb3249..a0d898f9ca1d 100644
--- a/tools/perf/scripts/perl/bin/wakeup-latency-report
+++ b/tools/perf/scripts/perl/bin/wakeup-latency-report
@@ -1,6 +1,6 @@
1#!/bin/bash 1#!/bin/bash
2# description: system-wide min/max/avg wakeup latency 2# description: system-wide min/max/avg wakeup latency
3perf trace -s ~/libexec/perf-core/scripts/perl/wakeup-latency.pl 3perf trace $@ -s ~/libexec/perf-core/scripts/perl/wakeup-latency.pl
4 4
5 5
6 6
diff --git a/tools/perf/scripts/perl/bin/workqueue-stats-record b/tools/perf/scripts/perl/bin/workqueue-stats-record
index fce6637b19ba..85301f2471ff 100644
--- a/tools/perf/scripts/perl/bin/workqueue-stats-record
+++ b/tools/perf/scripts/perl/bin/workqueue-stats-record
@@ -1,2 +1,2 @@
1#!/bin/bash 1#!/bin/bash
2perf record -c 1 -f -a -M -R -e workqueue:workqueue_creation -e workqueue:workqueue_destruction -e workqueue:workqueue_execution -e workqueue:workqueue_insertion 2perf record -a -e workqueue:workqueue_creation -e workqueue:workqueue_destruction -e workqueue:workqueue_execution -e workqueue:workqueue_insertion $@
diff --git a/tools/perf/scripts/perl/bin/workqueue-stats-report b/tools/perf/scripts/perl/bin/workqueue-stats-report
index 71cfbd182fb9..35081132ef97 100644
--- a/tools/perf/scripts/perl/bin/workqueue-stats-report
+++ b/tools/perf/scripts/perl/bin/workqueue-stats-report
@@ -1,6 +1,6 @@
1#!/bin/bash 1#!/bin/bash
2# description: workqueue stats (ins/exe/create/destroy) 2# description: workqueue stats (ins/exe/create/destroy)
3perf trace -s ~/libexec/perf-core/scripts/perl/workqueue-stats.pl 3perf trace $@ -s ~/libexec/perf-core/scripts/perl/workqueue-stats.pl
4 4
5 5
6 6
diff --git a/tools/perf/scripts/perl/failed-syscalls.pl b/tools/perf/scripts/perl/failed-syscalls.pl
index c18e7e27a84b..94bc25a347eb 100644
--- a/tools/perf/scripts/perl/failed-syscalls.pl
+++ b/tools/perf/scripts/perl/failed-syscalls.pl
@@ -11,6 +11,8 @@ use Perf::Trace::Core;
11use Perf::Trace::Context; 11use Perf::Trace::Context;
12use Perf::Trace::Util; 12use Perf::Trace::Util;
13 13
14my $for_comm = shift;
15
14my %failed_syscalls; 16my %failed_syscalls;
15 17
16sub raw_syscalls::sys_exit 18sub raw_syscalls::sys_exit
@@ -33,6 +35,8 @@ sub trace_end
33 35
34 foreach my $comm (sort {$failed_syscalls{$b} <=> $failed_syscalls{$a}} 36 foreach my $comm (sort {$failed_syscalls{$b} <=> $failed_syscalls{$a}}
35 keys %failed_syscalls) { 37 keys %failed_syscalls) {
36 printf("%-20s %10s\n", $comm, $failed_syscalls{$comm}); 38 next if ($for_comm && $comm ne $for_comm);
39
40 printf("%-20s %10s\n", $comm, $failed_syscalls{$comm});
37 } 41 }
38} 42}
diff --git a/tools/perf/scripts/perl/rw-by-pid.pl b/tools/perf/scripts/perl/rw-by-pid.pl
index da601fae1a00..9db23c9daf55 100644
--- a/tools/perf/scripts/perl/rw-by-pid.pl
+++ b/tools/perf/scripts/perl/rw-by-pid.pl
@@ -79,12 +79,12 @@ sub trace_end
79 printf("%6s %-20s %10s %10s %10s\n", "------", "--------------------", 79 printf("%6s %-20s %10s %10s %10s\n", "------", "--------------------",
80 "-----------", "----------", "----------"); 80 "-----------", "----------", "----------");
81 81
82 foreach my $pid (sort {$reads{$b}{bytes_read} <=> 82 foreach my $pid (sort { ($reads{$b}{bytes_read} || 0) <=>
83 $reads{$a}{bytes_read}} keys %reads) { 83 ($reads{$a}{bytes_read} || 0) } keys %reads) {
84 my $comm = $reads{$pid}{comm}; 84 my $comm = $reads{$pid}{comm} || "";
85 my $total_reads = $reads{$pid}{total_reads}; 85 my $total_reads = $reads{$pid}{total_reads} || 0;
86 my $bytes_requested = $reads{$pid}{bytes_requested}; 86 my $bytes_requested = $reads{$pid}{bytes_requested} || 0;
87 my $bytes_read = $reads{$pid}{bytes_read}; 87 my $bytes_read = $reads{$pid}{bytes_read} || 0;
88 88
89 printf("%6s %-20s %10s %10s %10s\n", $pid, $comm, 89 printf("%6s %-20s %10s %10s %10s\n", $pid, $comm,
90 $total_reads, $bytes_requested, $bytes_read); 90 $total_reads, $bytes_requested, $bytes_read);
@@ -96,16 +96,23 @@ sub trace_end
96 printf("%6s %20s %6s %10s\n", "------", "--------------------", 96 printf("%6s %20s %6s %10s\n", "------", "--------------------",
97 "------", "----------"); 97 "------", "----------");
98 98
99 foreach my $pid (keys %reads) { 99 my @errcounts = ();
100 my $comm = $reads{$pid}{comm};
101 foreach my $err (sort {$reads{$b}{comm} cmp $reads{$a}{comm}}
102 keys %{$reads{$pid}{errors}}) {
103 my $errors = $reads{$pid}{errors}{$err};
104 100
105 printf("%6d %-20s %6d %10s\n", $pid, $comm, $err, $errors); 101 foreach my $pid (keys %reads) {
102 foreach my $error (keys %{$reads{$pid}{errors}}) {
103 my $comm = $reads{$pid}{comm} || "";
104 my $errcount = $reads{$pid}{errors}{$error} || 0;
105 push @errcounts, [$pid, $comm, $error, $errcount];
106 } 106 }
107 } 107 }
108 108
109 @errcounts = sort { $b->[3] <=> $a->[3] } @errcounts;
110
111 for my $i (0 .. $#errcounts) {
112 printf("%6d %-20s %6d %10s\n", $errcounts[$i][0],
113 $errcounts[$i][1], $errcounts[$i][2], $errcounts[$i][3]);
114 }
115
109 printf("\nwrite counts by pid:\n\n"); 116 printf("\nwrite counts by pid:\n\n");
110 117
111 printf("%6s %20s %10s %10s\n", "pid", "comm", 118 printf("%6s %20s %10s %10s\n", "pid", "comm",
@@ -113,11 +120,11 @@ sub trace_end
113 printf("%6s %-20s %10s %10s\n", "------", "--------------------", 120 printf("%6s %-20s %10s %10s\n", "------", "--------------------",
114 "-----------", "----------"); 121 "-----------", "----------");
115 122
116 foreach my $pid (sort {$writes{$b}{bytes_written} <=> 123 foreach my $pid (sort { ($writes{$b}{bytes_written} || 0) <=>
117 $writes{$a}{bytes_written}} keys %writes) { 124 ($writes{$a}{bytes_written} || 0)} keys %writes) {
118 my $comm = $writes{$pid}{comm}; 125 my $comm = $writes{$pid}{comm} || "";
119 my $total_writes = $writes{$pid}{total_writes}; 126 my $total_writes = $writes{$pid}{total_writes} || 0;
120 my $bytes_written = $writes{$pid}{bytes_written}; 127 my $bytes_written = $writes{$pid}{bytes_written} || 0;
121 128
122 printf("%6s %-20s %10s %10s\n", $pid, $comm, 129 printf("%6s %-20s %10s %10s\n", $pid, $comm,
123 $total_writes, $bytes_written); 130 $total_writes, $bytes_written);
@@ -129,16 +136,23 @@ sub trace_end
129 printf("%6s %20s %6s %10s\n", "------", "--------------------", 136 printf("%6s %20s %6s %10s\n", "------", "--------------------",
130 "------", "----------"); 137 "------", "----------");
131 138
132 foreach my $pid (keys %writes) { 139 @errcounts = ();
133 my $comm = $writes{$pid}{comm};
134 foreach my $err (sort {$writes{$b}{comm} cmp $writes{$a}{comm}}
135 keys %{$writes{$pid}{errors}}) {
136 my $errors = $writes{$pid}{errors}{$err};
137 140
138 printf("%6d %-20s %6d %10s\n", $pid, $comm, $err, $errors); 141 foreach my $pid (keys %writes) {
142 foreach my $error (keys %{$writes{$pid}{errors}}) {
143 my $comm = $writes{$pid}{comm} || "";
144 my $errcount = $writes{$pid}{errors}{$error} || 0;
145 push @errcounts, [$pid, $comm, $error, $errcount];
139 } 146 }
140 } 147 }
141 148
149 @errcounts = sort { $b->[3] <=> $a->[3] } @errcounts;
150
151 for my $i (0 .. $#errcounts) {
152 printf("%6d %-20s %6d %10s\n", $errcounts[$i][0],
153 $errcounts[$i][1], $errcounts[$i][2], $errcounts[$i][3]);
154 }
155
142 print_unhandled(); 156 print_unhandled();
143} 157}
144 158
diff --git a/tools/perf/scripts/perl/rwtop.pl b/tools/perf/scripts/perl/rwtop.pl
new file mode 100644
index 000000000000..4bb3ecd33472
--- /dev/null
+++ b/tools/perf/scripts/perl/rwtop.pl
@@ -0,0 +1,199 @@
1#!/usr/bin/perl -w
2# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
3# Licensed under the terms of the GNU GPL License version 2
4
5# read/write top
6#
7# Periodically displays system-wide r/w call activity, broken down by
8# pid. If an [interval] arg is specified, the display will be
9# refreshed every [interval] seconds. The default interval is 3
10# seconds.
11
12use 5.010000;
13use strict;
14use warnings;
15
16use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/Perf-Trace-Util/lib";
17use lib "./Perf-Trace-Util/lib";
18use Perf::Trace::Core;
19use Perf::Trace::Util;
20
21my $default_interval = 3;
22my $nlines = 20;
23my $print_thread;
24my $print_pending = 0;
25
26my %reads;
27my %writes;
28
29my $interval = shift;
30if (!$interval) {
31 $interval = $default_interval;
32}
33
34sub syscalls::sys_exit_read
35{
36 my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
37 $common_pid, $common_comm,
38 $nr, $ret) = @_;
39
40 print_check();
41
42 if ($ret > 0) {
43 $reads{$common_pid}{bytes_read} += $ret;
44 } else {
45 if (!defined ($reads{$common_pid}{bytes_read})) {
46 $reads{$common_pid}{bytes_read} = 0;
47 }
48 $reads{$common_pid}{errors}{$ret}++;
49 }
50}
51
52sub syscalls::sys_enter_read
53{
54 my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
55 $common_pid, $common_comm,
56 $nr, $fd, $buf, $count) = @_;
57
58 print_check();
59
60 $reads{$common_pid}{bytes_requested} += $count;
61 $reads{$common_pid}{total_reads}++;
62 $reads{$common_pid}{comm} = $common_comm;
63}
64
65sub syscalls::sys_exit_write
66{
67 my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
68 $common_pid, $common_comm,
69 $nr, $ret) = @_;
70
71 print_check();
72
73 if ($ret <= 0) {
74 $writes{$common_pid}{errors}{$ret}++;
75 }
76}
77
78sub syscalls::sys_enter_write
79{
80 my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
81 $common_pid, $common_comm,
82 $nr, $fd, $buf, $count) = @_;
83
84 print_check();
85
86 $writes{$common_pid}{bytes_written} += $count;
87 $writes{$common_pid}{total_writes}++;
88 $writes{$common_pid}{comm} = $common_comm;
89}
90
91sub trace_begin
92{
93 $SIG{ALRM} = \&set_print_pending;
94 alarm 1;
95}
96
97sub trace_end
98{
99 print_unhandled();
100 print_totals();
101}
102
103sub print_check()
104{
105 if ($print_pending == 1) {
106 $print_pending = 0;
107 print_totals();
108 }
109}
110
111sub set_print_pending()
112{
113 $print_pending = 1;
114 alarm $interval;
115}
116
117sub print_totals
118{
119 my $count;
120
121 $count = 0;
122
123 clear_term();
124
125 printf("\nread counts by pid:\n\n");
126
127 printf("%6s %20s %10s %10s %10s\n", "pid", "comm",
128 "# reads", "bytes_req", "bytes_read");
129 printf("%6s %-20s %10s %10s %10s\n", "------", "--------------------",
130 "----------", "----------", "----------");
131
132 foreach my $pid (sort { ($reads{$b}{bytes_read} || 0) <=>
133 ($reads{$a}{bytes_read} || 0) } keys %reads) {
134 my $comm = $reads{$pid}{comm} || "";
135 my $total_reads = $reads{$pid}{total_reads} || 0;
136 my $bytes_requested = $reads{$pid}{bytes_requested} || 0;
137 my $bytes_read = $reads{$pid}{bytes_read} || 0;
138
139 printf("%6s %-20s %10s %10s %10s\n", $pid, $comm,
140 $total_reads, $bytes_requested, $bytes_read);
141
142 if (++$count == $nlines) {
143 last;
144 }
145 }
146
147 $count = 0;
148
149 printf("\nwrite counts by pid:\n\n");
150
151 printf("%6s %20s %10s %13s\n", "pid", "comm",
152 "# writes", "bytes_written");
153 printf("%6s %-20s %10s %13s\n", "------", "--------------------",
154 "----------", "-------------");
155
156 foreach my $pid (sort { ($writes{$b}{bytes_written} || 0) <=>
157 ($writes{$a}{bytes_written} || 0)} keys %writes) {
158 my $comm = $writes{$pid}{comm} || "";
159 my $total_writes = $writes{$pid}{total_writes} || 0;
160 my $bytes_written = $writes{$pid}{bytes_written} || 0;
161
162 printf("%6s %-20s %10s %13s\n", $pid, $comm,
163 $total_writes, $bytes_written);
164
165 if (++$count == $nlines) {
166 last;
167 }
168 }
169
170 %reads = ();
171 %writes = ();
172}
173
174my %unhandled;
175
176sub print_unhandled
177{
178 if ((scalar keys %unhandled) == 0) {
179 return;
180 }
181
182 print "\nunhandled events:\n\n";
183
184 printf("%-40s %10s\n", "event", "count");
185 printf("%-40s %10s\n", "----------------------------------------",
186 "-----------");
187
188 foreach my $event_name (keys %unhandled) {
189 printf("%-40s %10d\n", $event_name, $unhandled{$event_name});
190 }
191}
192
193sub trace_unhandled
194{
195 my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
196 $common_pid, $common_comm) = @_;
197
198 $unhandled{$event_name}++;
199}
diff --git a/tools/perf/scripts/perl/wakeup-latency.pl b/tools/perf/scripts/perl/wakeup-latency.pl
index ed58ef284e23..d9143dcec6c6 100644
--- a/tools/perf/scripts/perl/wakeup-latency.pl
+++ b/tools/perf/scripts/perl/wakeup-latency.pl
@@ -22,8 +22,8 @@ my %last_wakeup;
22 22
23my $max_wakeup_latency; 23my $max_wakeup_latency;
24my $min_wakeup_latency; 24my $min_wakeup_latency;
25my $total_wakeup_latency; 25my $total_wakeup_latency = 0;
26my $total_wakeups; 26my $total_wakeups = 0;
27 27
28sub sched::sched_switch 28sub sched::sched_switch
29{ 29{
@@ -67,8 +67,12 @@ sub trace_end
67{ 67{
68 printf("wakeup_latency stats:\n\n"); 68 printf("wakeup_latency stats:\n\n");
69 print "total_wakeups: $total_wakeups\n"; 69 print "total_wakeups: $total_wakeups\n";
70 printf("avg_wakeup_latency (ns): %u\n", 70 if ($total_wakeups) {
71 avg($total_wakeup_latency, $total_wakeups)); 71 printf("avg_wakeup_latency (ns): %u\n",
72 avg($total_wakeup_latency, $total_wakeups));
73 } else {
74 printf("avg_wakeup_latency (ns): N/A\n");
75 }
72 printf("min_wakeup_latency (ns): %u\n", $min_wakeup_latency); 76 printf("min_wakeup_latency (ns): %u\n", $min_wakeup_latency);
73 printf("max_wakeup_latency (ns): %u\n", $max_wakeup_latency); 77 printf("max_wakeup_latency (ns): %u\n", $max_wakeup_latency);
74 78
diff --git a/tools/perf/scripts/perl/workqueue-stats.pl b/tools/perf/scripts/perl/workqueue-stats.pl
index 511302c8a494..b84b12699b70 100644
--- a/tools/perf/scripts/perl/workqueue-stats.pl
+++ b/tools/perf/scripts/perl/workqueue-stats.pl
@@ -71,9 +71,9 @@ sub trace_end
71 printf("%3s %6s %6s\t%-20s\n", "---", "---", "----", "----"); 71 printf("%3s %6s %6s\t%-20s\n", "---", "---", "----", "----");
72 foreach my $pidhash (@cpus) { 72 foreach my $pidhash (@cpus) {
73 while ((my $pid, my $wqhash) = each %$pidhash) { 73 while ((my $pid, my $wqhash) = each %$pidhash) {
74 my $ins = $$wqhash{'inserted'}; 74 my $ins = $$wqhash{'inserted'} || 0;
75 my $exe = $$wqhash{'executed'}; 75 my $exe = $$wqhash{'executed'} || 0;
76 my $comm = $$wqhash{'comm'}; 76 my $comm = $$wqhash{'comm'} || "";
77 if ($ins || $exe) { 77 if ($ins || $exe) {
78 printf("%3u %6u %6u\t%-20s\n", $cpu, $ins, $exe, $comm); 78 printf("%3u %6u %6u\t%-20s\n", $cpu, $ins, $exe, $comm);
79 } 79 }
@@ -87,9 +87,9 @@ sub trace_end
87 printf("%3s %6s %6s\t%-20s\n", "---", "-------", "---------", "----"); 87 printf("%3s %6s %6s\t%-20s\n", "---", "-------", "---------", "----");
88 foreach my $pidhash (@cpus) { 88 foreach my $pidhash (@cpus) {
89 while ((my $pid, my $wqhash) = each %$pidhash) { 89 while ((my $pid, my $wqhash) = each %$pidhash) {
90 my $created = $$wqhash{'created'}; 90 my $created = $$wqhash{'created'} || 0;
91 my $destroyed = $$wqhash{'destroyed'}; 91 my $destroyed = $$wqhash{'destroyed'} || 0;
92 my $comm = $$wqhash{'comm'}; 92 my $comm = $$wqhash{'comm'} || "";
93 if ($created || $destroyed) { 93 if ($created || $destroyed) {
94 printf("%3u %6u %6u\t%-20s\n", $cpu, $created, $destroyed, 94 printf("%3u %6u %6u\t%-20s\n", $cpu, $created, $destroyed,
95 $comm); 95 $comm);
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-01 19:20:21 -0500