1 #!/usr/bin/perl -w 1 #!/usr/bin/perl -w
2 # SPDX-License-Identifier: GPL-2.0-only 2 # SPDX-License-Identifier: GPL-2.0-only
3 # (c) 2009, Tom Zanussi <tzanussi@gmail.com> 3 # (c) 2009, Tom Zanussi <tzanussi@gmail.com>
4 4
5 # Display r/w activity for all processes 5 # Display r/w activity for all processes
6 6
7 # The common_* event handler fields are the mo 7 # The common_* event handler fields are the most useful fields common to
8 # all events. They don't necessarily correspo 8 # all events. They don't necessarily correspond to the 'common_*' fields
9 # in the status files. Those fields not avail 9 # in the status files. Those fields not available as handler params can
10 # be retrieved via script functions of the for 10 # be retrieved via script functions of the form get_common_*().
11 11
12 use 5.010000; 12 use 5.010000;
13 use strict; 13 use strict;
14 use warnings; 14 use warnings;
15 15
16 use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/P 16 use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/Perf-Trace-Util/lib";
17 use lib "./Perf-Trace-Util/lib"; 17 use lib "./Perf-Trace-Util/lib";
18 use Perf::Trace::Core; 18 use Perf::Trace::Core;
19 use Perf::Trace::Util; 19 use Perf::Trace::Util;
20 20
21 my %reads; 21 my %reads;
22 my %writes; 22 my %writes;
23 23
24 sub syscalls::sys_exit_read 24 sub syscalls::sys_exit_read
25 { 25 {
26 my ($event_name, $context, $common_cpu, $c 26 my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
27 $common_pid, $common_comm, $common_cal 27 $common_pid, $common_comm, $common_callchain,
28 $nr, $ret) = @_; 28 $nr, $ret) = @_;
29 29
30 if ($ret > 0) { 30 if ($ret > 0) {
31 $reads{$common_pid}{bytes_read} += $re 31 $reads{$common_pid}{bytes_read} += $ret;
32 } else { 32 } else {
33 if (!defined ($reads{$common_pid}{byte 33 if (!defined ($reads{$common_pid}{bytes_read})) {
34 $reads{$common_pid}{bytes_read} = 34 $reads{$common_pid}{bytes_read} = 0;
35 } 35 }
36 $reads{$common_pid}{errors}{$ret}++; 36 $reads{$common_pid}{errors}{$ret}++;
37 } 37 }
38 } 38 }
39 39
40 sub syscalls::sys_enter_read 40 sub syscalls::sys_enter_read
41 { 41 {
42 my ($event_name, $context, $common_cpu, $c 42 my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
43 $common_pid, $common_comm, $common_cal 43 $common_pid, $common_comm, $common_callchain,
44 $nr, $fd, $buf, $count) = @_; 44 $nr, $fd, $buf, $count) = @_;
45 45
46 $reads{$common_pid}{bytes_requested} += $c 46 $reads{$common_pid}{bytes_requested} += $count;
47 $reads{$common_pid}{total_reads}++; 47 $reads{$common_pid}{total_reads}++;
48 $reads{$common_pid}{comm} = $common_comm; 48 $reads{$common_pid}{comm} = $common_comm;
49 } 49 }
50 50
51 sub syscalls::sys_exit_write 51 sub syscalls::sys_exit_write
52 { 52 {
53 my ($event_name, $context, $common_cpu, $c 53 my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
54 $common_pid, $common_comm, $common_cal 54 $common_pid, $common_comm, $common_callchain,
55 $nr, $ret) = @_; 55 $nr, $ret) = @_;
56 56
57 if ($ret <= 0) { 57 if ($ret <= 0) {
58 $writes{$common_pid}{errors}{$ret}++; 58 $writes{$common_pid}{errors}{$ret}++;
59 } 59 }
60 } 60 }
61 61
62 sub syscalls::sys_enter_write 62 sub syscalls::sys_enter_write
63 { 63 {
64 my ($event_name, $context, $common_cpu, $c 64 my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
65 $common_pid, $common_comm, $common_cal 65 $common_pid, $common_comm, $common_callchain,
66 $nr, $fd, $buf, $count) = @_; 66 $nr, $fd, $buf, $count) = @_;
67 67
68 $writes{$common_pid}{bytes_written} += $co 68 $writes{$common_pid}{bytes_written} += $count;
69 $writes{$common_pid}{total_writes}++; 69 $writes{$common_pid}{total_writes}++;
70 $writes{$common_pid}{comm} = $common_comm; 70 $writes{$common_pid}{comm} = $common_comm;
71 } 71 }
72 72
73 sub trace_end 73 sub trace_end
74 { 74 {
75 printf("read counts by pid:\n\n"); 75 printf("read counts by pid:\n\n");
76 76
77 printf("%6s %20s %10s %10s %10s\n", "p 77 printf("%6s %20s %10s %10s %10s\n", "pid", "comm",
78 "# reads", "bytes_requested", "byte 78 "# reads", "bytes_requested", "bytes_read");
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_ 82 foreach my $pid (sort { ($reads{$b}{bytes_read} || 0) <=>
83 ($reads{$a}{by 83 ($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_r 85 my $total_reads = $reads{$pid}{total_reads} || 0;
86 my $bytes_requested = $reads{$pid}{byt 86 my $bytes_requested = $reads{$pid}{bytes_requested} || 0;
87 my $bytes_read = $reads{$pid}{bytes_re 87 my $bytes_read = $reads{$pid}{bytes_read} || 0;
88 88
89 printf("%6s %-20s %10s %10s %10s\n 89 printf("%6s %-20s %10s %10s %10s\n", $pid, $comm,
90 $total_reads, $bytes_requested, 90 $total_reads, $bytes_requested, $bytes_read);
91 } 91 }
92 92
93 printf("\nfailed reads by pid:\n\n"); 93 printf("\nfailed reads by pid:\n\n");
94 94
95 printf("%6s %20s %6s %10s\n", "pid", "c 95 printf("%6s %20s %6s %10s\n", "pid", "comm", "error #", "# errors");
96 printf("%6s %20s %6s %10s\n", "------", 96 printf("%6s %20s %6s %10s\n", "------", "--------------------",
97 "------", "----------"); 97 "------", "----------");
98 98
99 my @errcounts = (); 99 my @errcounts = ();
100 100
101 foreach my $pid (keys %reads) { 101 foreach my $pid (keys %reads) {
102 foreach my $error (keys %{$reads{$pid} 102 foreach my $error (keys %{$reads{$pid}{errors}}) {
103 my $comm = $reads{$pid}{comm} || " 103 my $comm = $reads{$pid}{comm} || "";
104 my $errcount = $reads{$pid}{errors 104 my $errcount = $reads{$pid}{errors}{$error} || 0;
105 push @errcounts, [$pid, $comm, $er 105 push @errcounts, [$pid, $comm, $error, $errcount];
106 } 106 }
107 } 107 }
108 108
109 @errcounts = sort { $b->[3] <=> $a->[3] } 109 @errcounts = sort { $b->[3] <=> $a->[3] } @errcounts;
110 110
111 for my $i (0 .. $#errcounts) { 111 for my $i (0 .. $#errcounts) {
112 printf("%6d %-20s %6d %10s\n", $err 112 printf("%6d %-20s %6d %10s\n", $errcounts[$i][0],
113 $errcounts[$i][1], $errcounts[$ 113 $errcounts[$i][1], $errcounts[$i][2], $errcounts[$i][3]);
114 } 114 }
115 115
116 printf("\nwrite counts by pid:\n\n"); 116 printf("\nwrite counts by pid:\n\n");
117 117
118 printf("%6s %20s %10s %10s\n", "pid", " 118 printf("%6s %20s %10s %10s\n", "pid", "comm",
119 "# writes", "bytes_written"); 119 "# writes", "bytes_written");
120 printf("%6s %-20s %10s %10s\n", "------ 120 printf("%6s %-20s %10s %10s\n", "------", "--------------------",
121 "-----------", "----------"); 121 "-----------", "----------");
122 122
123 foreach my $pid (sort { ($writes{$b}{bytes 123 foreach my $pid (sort { ($writes{$b}{bytes_written} || 0) <=>
124 ($writes{$a}{bytes_wri 124 ($writes{$a}{bytes_written} || 0)} keys %writes) {
125 my $comm = $writes{$pid}{comm} || ""; 125 my $comm = $writes{$pid}{comm} || "";
126 my $total_writes = $writes{$pid}{total 126 my $total_writes = $writes{$pid}{total_writes} || 0;
127 my $bytes_written = $writes{$pid}{byte 127 my $bytes_written = $writes{$pid}{bytes_written} || 0;
128 128
129 printf("%6s %-20s %10s %10s\n", $pi 129 printf("%6s %-20s %10s %10s\n", $pid, $comm,
130 $total_writes, $bytes_written); 130 $total_writes, $bytes_written);
131 } 131 }
132 132
133 printf("\nfailed writes by pid:\n\n"); 133 printf("\nfailed writes by pid:\n\n");
134 134
135 printf("%6s %20s %6s %10s\n", "pid", "c 135 printf("%6s %20s %6s %10s\n", "pid", "comm", "error #", "# errors");
136 printf("%6s %20s %6s %10s\n", "------", 136 printf("%6s %20s %6s %10s\n", "------", "--------------------",
137 "------", "----------"); 137 "------", "----------");
138 138
139 @errcounts = (); 139 @errcounts = ();
140 140
141 foreach my $pid (keys %writes) { 141 foreach my $pid (keys %writes) {
142 foreach my $error (keys %{$writes{$pid 142 foreach my $error (keys %{$writes{$pid}{errors}}) {
143 my $comm = $writes{$pid}{comm} || 143 my $comm = $writes{$pid}{comm} || "";
144 my $errcount = $writes{$pid}{error 144 my $errcount = $writes{$pid}{errors}{$error} || 0;
145 push @errcounts, [$pid, $comm, $er 145 push @errcounts, [$pid, $comm, $error, $errcount];
146 } 146 }
147 } 147 }
148 148
149 @errcounts = sort { $b->[3] <=> $a->[3] } 149 @errcounts = sort { $b->[3] <=> $a->[3] } @errcounts;
150 150
151 for my $i (0 .. $#errcounts) { 151 for my $i (0 .. $#errcounts) {
152 printf("%6d %-20s %6d %10s\n", $err 152 printf("%6d %-20s %6d %10s\n", $errcounts[$i][0],
153 $errcounts[$i][1], $errcounts[$ 153 $errcounts[$i][1], $errcounts[$i][2], $errcounts[$i][3]);
154 } 154 }
155 155
156 print_unhandled(); 156 print_unhandled();
157 } 157 }
158 158
159 my %unhandled; 159 my %unhandled;
160 160
161 sub print_unhandled 161 sub print_unhandled
162 { 162 {
163 if ((scalar keys %unhandled) == 0) { 163 if ((scalar keys %unhandled) == 0) {
164 return; 164 return;
165 } 165 }
166 166
167 print "\nunhandled events:\n\n"; 167 print "\nunhandled events:\n\n";
168 168
169 printf("%-40s %10s\n", "event", "count"); 169 printf("%-40s %10s\n", "event", "count");
170 printf("%-40s %10s\n", "----------------- 170 printf("%-40s %10s\n", "----------------------------------------",
171 "-----------"); 171 "-----------");
172 172
173 foreach my $event_name (keys %unhandled) { 173 foreach my $event_name (keys %unhandled) {
174 printf("%-40s %10d\n", $event_name, $ 174 printf("%-40s %10d\n", $event_name, $unhandled{$event_name});
175 } 175 }
176 } 176 }
177 177
178 sub trace_unhandled 178 sub trace_unhandled
179 { 179 {
180 my ($event_name, $context, $common_cpu, $c 180 my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs,
181 $common_pid, $common_comm, $common_cal 181 $common_pid, $common_comm, $common_callchain) = @_;
182 182
183 $unhandled{$event_name}++; 183 $unhandled{$event_name}++;
184 } 184 }
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