starlingx/integ
Code Issues Proposed changes

Relocate monitor-tools to stx-integ/tools/monitor-tools

Browse Source 
Move content from stx-utils into stx-integ or stx-update

Packages will be relocated to

stx-update:
    enable-dev-patch
    extras

stx-integ:
    config-files/
        io-scheduler

    filesystem/
        filesystem-scripts

    grub/
        grubby

    logging/
        logmgmt

    tools/
        collector
        monitor-tools

    tools/engtools/
        hostdata-collectors
        parsers

    utilities/
        build-info
        branding   (formerly wrs-branding)
        platform-util

Change-Id: Id181ee00015b41c50c75250384e7fbf36a300c1c
Story: 2002801
Task: 22687
Signed-off-by: Scott Little <scott.little@windriver.com>
This commit is contained in:
Scott Little 2018-08-01 12:28:32 -04:00
parent 7e8bdbf732
commit 9e02357329
8 changed files with 2689 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
centos_pkg_dirs
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@ -114,3 +114,4 @@ config-files/io-scheduler
tools/collector
grub/grubby
utilities/platform-util
tools/monitor-tools

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@ -0,0 +1,202 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
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"Work" shall mean the work of authorship, whether in Source or
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"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
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of this License, Derivative Works shall not include works that remain
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the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
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Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
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or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
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of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
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2
tools/monitor-tools/centos/build_srpm.data Normal file
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SRC_DIR=scripts
TIS_PATCH_VER=0

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tools/monitor-tools/centos/monitor-tools.spec Normal file
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Summary: Monitor tools package
Name: monitor-tools
Version: 1.0
Release: %{tis_patch_ver}%{?_tis_dist}
License: Apache-2.0
Group: base
Packager: Wind River <info@windriver.com>
URL: unknown
BuildArch: noarch
Source: %name-%version.tar.gz
#Requires: /usr/bin/perl
%description
This package contains data collection tools to monitor host performance.
Tools are general purpose engineering and debugging related. Includes
overall memory, cpu occupancy, per-task cpu, per-task scheduling, per-task
io.
%prep
%autosetup
%install
rm -rf $RPM_BUILD_ROOT
%global _buildsubdir %{_builddir}/%{name}-%{version}
install -d %{buildroot}/usr/bin
install %{_buildsubdir}/memtop %{buildroot}/usr/bin
install %{_buildsubdir}/schedtop %{buildroot}/usr/bin
install %{_buildsubdir}/occtop %{buildroot}/usr/bin
%files
%license LICENSE
%defattr(-,root,root,-)
/usr/bin/*

202
tools/monitor-tools/scripts/LICENSE Normal file
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@ -0,0 +1,202 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
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the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
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the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
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and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
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worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
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Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
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(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
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by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
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by You to the Licensor shall be under the terms and conditions of
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Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
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incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

344
tools/monitor-tools/scripts/memtop Executable file
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@ -0,0 +1,344 @@
#!/usr/bin/perl
########################################################################
#
# Copyright (c) 2015 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
#
########################################################################
#
# Description:
# This displays overall memory information per sample period.
# Output includes total, used, avail, per-numa node breakdown of avail
# and free hugepages memory.
#
# Usage: memtop OPTIONS
# memtop [--delay=<seconds>] [--repeat=<num>] [--period=<seconds>] [--help]
#
# Summarize high-level memory usage.
use 5.10.0;
use warnings;
use strict;
use Benchmark ':hireswallclock';
use POSIX qw(strftime);
use Data::Dumper;
use File::Basename;
use File::Spec ();
use Time::HiRes qw(time usleep);
use Carp qw(croak carp);
# IEC and SI constants
use constant SI_k => 1.0E3;
use constant SI_M => 1.0E6;
use constant SI_G => 1.0E9;
use constant Ki => 1024.0;
use constant Mi => 1024.0*1024.0;
use constant Gi => 1024.0*1024.0*1024.0;
# Name of this program
our $TOOLNAME = basename($0);
our $VERSION = "0.1";
# Argument list parameters
our ($arg_debug,
$arg_delay,
$arg_repeat,
$arg_period) = ();
# Globals
our $t_0 = ();
our $t_1 = ();
our $t_elapsed = ();
our $t_final = ();
our $is_strict = ();
our $num_nodes = ();
#-------------------------------------------------------------------------------
# MAIN Program
#-------------------------------------------------------------------------------
# benchmark variables
my ($bd, $b0, $b1);
# Autoflush output
select(STDERR);
$| = 1;
select(STDOUT); # default
$| = 1;
# Parse input arguments and print tool usage if necessary
&parse_memtop_args(
\$::arg_debug,
\$::arg_delay,
\$::arg_repeat,
\$::arg_period,
);
# Print out some debugging information
if (defined $::arg_debug) {
$Data::Dumper::Indent = 1;
}
# Strict vs non-strict memory accounting
$::is_strict = &is_strict();
# Number of numa nodes
$::num_nodes = &num_numa_nodes();
# Print tool header and selected options
printf "%s %s -- ".
"selected options: delay = %.3fs, repeat = %d, period = %.3fs, %s, unit = %s\n",
$::TOOLNAME, $::VERSION,
$::arg_delay, $::arg_repeat, $::arg_period,
$::is_strict ? 'strict' : 'non-strict',
'MiB';
# Capture timestamp
$b0 = new Benchmark;
# Get current hires epoc timestamp
$::t_1 = time();
$::t_final = $::t_1 + $::arg_period;
# Set initial delay
$::t_elapsed = $::arg_delay;
# Main loop
my $delay = SI_M*$::arg_delay - 600.0;
REPEAT_LOOP: for (my $rep=1; $rep <= $::arg_repeat; $rep++) {
# Copy all state variables
$::t_0 = $::t_1;
# Sleep for desired interarrival time
usleep( $delay );
# Current hires epoc timestamp
$::t_1 = time();
# Delta calculation
$::t_elapsed = $::t_1 - $::t_0;
# Print summary
&print_memory(\$::t_1);
# Exit if we have reached period
last if ((defined $::t_final) && ($::t_1 > $::t_final));
}
# Print that tool has finished
print "done\n";
# Capture timestamp and report delta
if (defined $::arg_debug) {
$b1 = new Benchmark; $bd = Benchmark::timediff($b1, $b0);
printf "processing time: %s\n", timestr($bd);
}
exit 0;
################################################################################
# Parse input option arguments
sub parse_memtop_args {
(local *::arg_debug,
local *::arg_delay,
local *::arg_repeat,
local *::arg_period,
) = @_;
# Local variables
my ($fail, $arg_help);
# Use the Argument processing module
use Getopt::Long;
# Process input arguments
$fail = 0;
GetOptions(
"debug:i", \$::arg_debug,
"delay=f", \$::arg_delay,
"repeat=i", \$::arg_repeat,
"period=i", \$::arg_period,
"help|h", \$arg_help
) || GetOptionsMessage();
# Print help documentation if user has selected --help
&ListHelp() if (defined $arg_help);
# Validate options
if ((defined $::arg_repeat) && (defined $::arg_period)) {
$fail = 1;
warn "$::TOOLNAME: Input error: cannot specify both --repeat and --period options.\n";
}
if ((defined $::arg_delay) && ($::arg_delay < 0.01)) {
$fail = 1;
warn "$::TOOLNAME: Input error: --delay %f is less than 0.01.\n",
$::arg_delay;
}
if (@::ARGV) {
$fail = 1;
warn "$::TOOLNAME: Input error: not expecting these options: '@::ARGV'.\n";
}
# Set reasonable defaults
$::arg_delay ||= 1.0;
$::arg_repeat ||= 1;
if ($::arg_period) {
$::arg_repeat = $::arg_period / $::arg_delay;
} else {
$::arg_period = $::arg_delay * $::arg_repeat;
}
# Upon missing or invalid options, print usage
if ($fail == 1) {
&Usage();
exit 1;
}
}
# Print out a warning message and usage
sub GetOptionsMessage {
warn "$::TOOLNAME: Error processing input arguments.\n";
&Usage();
exit 1;
}
# Print out program usage
sub Usage {
printf "Usage: $::TOOLNAME OPTIONS\n";
printf " [--delay=<seconds>] [--repeat=<num>] [--period=<seconds>]\n";
printf " [--help]\n";
printf "\n";
}
# Print tool help
sub ListHelp {
printf "$::TOOLNAME -- displays high memory usage at high level\n";
&Usage();
printf " --delay=<seconds> : output interval (seconds): default: 1.0\n";
printf " --repeat=<num> : number of repeat samples: default: 1\n";
printf " --period=<seconds> : overall tool duration (seconds): default: --\n";
printf " --help : this help\n";
printf "\n";
exit 0;
}
# Print memory summary
sub print_memory {
(local *::t_1) = @_;
# counter
our $count;
$::count++; $::count %= 15;
my ($file, $n);
my %mem = ();
my %node = ();
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst);
($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($::t_1);
my $msec = 1000.0*($::t_1 - int($::t_1));
# Process all entries of MEMINFO
$file = '/proc/meminfo';
open(FILE, $file) || die "Cannot open file: $file ($!)";
while($_ = <FILE>) {
s/[\0\e\f\r\a]//g; chomp; # strip control characters if any
if (/^(\S+):\s+(\d+)\b/) {
$mem{$1} = $2;
}
}
close(FILE);
# Process all entries of per-Node MEMINFO
for ($n=0; $n < $::num_nodes; $n++) {
$file = sprintf('/sys/devices/system/node/node%d/meminfo', $n);
open(FILE, $file) || die "Cannot open file: $file ($!)";
while($_ = <FILE>) {
s/[\0\e\f\r\a]//g; chomp; # strip control characters if any
if (/^Node\s+(\d+)\s+(\S+):\s+(\d+)\b/) {
$node{$1}{$2} = $3;
}
}
close(FILE);
}
# Calculate available memory
if ($::is_strict) {
$mem{'Avail'} = $mem{'CommitLimit'} - $mem{'Committed_AS'};
} else {
$mem{'Avail'} = $mem{'MemFree'} +
$mem{'Cached'} +
$mem{'Buffers'} +
$mem{'SReclaimable'};
}
$mem{'Used'} = $mem{'MemTotal'} - $mem{'Avail'};
$mem{'Anon'} = $mem{'AnonPages'};
for ($n=0; $n < $::num_nodes; $n++) {
$node{$n}{'Avail'} = $node{$n}{'MemFree'} +
$node{$n}{'FilePages'} +
$node{$n}{'SReclaimable'};
$node{$n}{'HFree'} = $node{$n}{'HugePages_Free'} * $mem{'Hugepagesize'};
}
# Print heading every so often
if ($::count == 1) {
printf "%s ".
"%8s %8s %8s %7s %6s %6s %8s %8s %7s %7s %8s %8s",
'yyyy-mm-dd hh:mm:ss.fff',
'Tot', 'Used', 'Free', 'Ca', 'Buf', 'Slab', 'CAS', 'CLim', 'Dirty', 'WBack', 'Anon', 'Avail';
for ($n=0; $n < $::num_nodes; $n++) {
printf " %8s %8s", sprintf('%d:Avail', $n), sprintf('%d:HFree', $n);
}
printf "\n";
}
# Print one line memory summary
printf "%4d-%02d-%02d %02d:%02d:%02d.%03d ".
"%8.1f %8.1f %8.1f %7.1f %6.1f %6.1f %8.1f %8.1f %7.1f %7.1f %8.1f %8.1f",
1900+$year, 1+$mon, $mday, $hour, $min, $sec, $msec,
$mem{'MemTotal'}/Ki,
$mem{'Used'}/Ki,
$mem{'MemFree'}/Ki,
$mem{'Cached'}/Ki,
$mem{'Buffers'}/Ki,
$mem{'Slab'}/Ki,
$mem{'Committed_AS'}/Ki,
$mem{'CommitLimit'}/Ki,
$mem{'Dirty'}/Ki,
$mem{'Writeback'}/Ki,
$mem{'Anon'}/Ki,
$mem{'Avail'}/Ki;
for ($n=0; $n < $::num_nodes; $n++) {
printf " %8.1f %8.1f", $node{$n}{'Avail'}/Ki, $node{$n}{'HFree'}/Ki;
}
printf "\n";
}
sub num_numa_nodes {
my $file = '/proc/cpuinfo';
my %nodes = ();
open(FILE, $file) || die "Cannot open file: $file ($!)";
while($_ = <FILE>) {
s/[\0\e\f\r\a]//g; chomp; # strip control characters if any
if (/^physical\s+id\s+:\s+(\d+)\b/) {
$nodes{$1} = 1;
}
}
close(FILE);
return scalar keys %nodes;
}
sub is_strict {
my $value = 0;
my $file = '/proc/sys/vm/overcommit_memory';
open(FILE, $file) || die "Cannot open file: $file ($!)";
$_ = <FILE>;
$value = /(\d+)/;
close(FILE);
return ($value == 2) ? 1 : 0;
}
1;

592
tools/monitor-tools/scripts/occtop Executable file
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@ -0,0 +1,592 @@
#!/usr/bin/perl
########################################################################
#
# Copyright (c) 2015-2016 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
#
########################################################################
#
# Description:
# This displays per-core occupancy information per sample period.
# Output includes total occupancy, and per-core occupancy based on
# hi-resolution timings.
#
# Usage: occtop OPTIONS
# [--delay=<seconds>] [--repeat=<num>] [--period=<seconds>]
# [--header=<num>]
# [--help]
use strict;
use warnings;
use Data::Dumper;
use POSIX qw(uname strftime);
use Time::HiRes qw(clock_gettime usleep CLOCK_MONOTONIC CLOCK_REALTIME);
use Benchmark ':hireswallclock';
use Carp qw(croak carp);
# Define toolname
our $TOOLNAME = "occtop";
our $VERSION = "0.1";
# Constants
use constant SI_k => 1.0E3;
use constant SI_M => 1.0E6;
use constant SI_G => 1.0E9;
use constant Ki => 1024.0;
use constant Mi => 1024.0*1024.0;
use constant Gi => 1024.0*1024.0*1024.0;
# Globals
our %percpu_0 = ();
our %percpu_1 = ();
our %D_percpu = ();
our %loadavg = ();
our $D_total = 0.0;
our $tm_0 = 0.0;
our $tm_1 = 0.0;
our $tr_0 = 0.0;
our $tr_1 = 0.0;
our $tm_elapsed = 0.0;
our $tm_final = 0.0;
our $uptime = 0.0;
our $num_cpus = 1;
our $num_tasks = 0;
our $num_blk = 0;
our $print_host = 1;
our $is_schedstat = 1;
our $USER_HZ = 100; # no easy way to get this
our $CLOCK_NS = SI_G / $USER_HZ;
# Argument list parameters
our ($arg_debug,
$arg_delay,
$arg_repeat,
$arg_period,
$arg_header,
) = ();
#-------------------------------------------------------------------------------
# MAIN Program
#-------------------------------------------------------------------------------
my $MIN_DELAY = 0.001;
my $MAX_DELAY = 0.001;
# benchmark variables
my ($bd, $b0, $b1);
# Autoflush output
select(STDERR);
$| = 1;
select(STDOUT); # default
$| = 1;
# Parse input arguments and print tool usage if necessary
&parse_occtop_args(
\$::arg_debug,
\$::arg_delay,
\$::arg_repeat,
\$::arg_period,
\$::arg_header,
);
# Print out some debugging information
if (defined $::arg_debug) {
$Data::Dumper::Indent = 1;
}
# Check for schedstat support; fallback to stats
$is_schedstat = -e '/proc/schedstat' ? 1 : 0;
# Print out selected options
printf "selected options: delay = %.3fs, repeat = %d, header = %d, source = %s\n",
$::arg_delay, $::arg_repeat, $::arg_header, $is_schedstat ? 'schedstat' : 'jiffie';
# Capture timestamp
$b0 = new Benchmark;
# Get number of logical cpus
&get_num_logical_cpus(\$::num_cpus);
# Get current hires epoc timestamp
$::tm_1 = clock_gettime(CLOCK_MONOTONIC);
$::tr_1 = clock_gettime(CLOCK_REALTIME);
$::tm_final = $::tm_1 + $::arg_delay*$::arg_repeat;
# Set initial delay
$::tm_elapsed = $::arg_delay;
$MAX_DELAY = $::arg_delay + $MIN_DELAY;
# Get overall per-cpu stats
if ($is_schedstat) {
&read_schedstat(\%::percpu_1);
} else {
&read_stat(\%::percpu_1);
}
# Main loop
REPEAT_LOOP: for (my $repeat=1; $repeat <= $::arg_repeat; $repeat++) {
# copy all state variables
%::tm_0 = (); %::tr_0 = (); %::percpu_0 = ();
$::tm_0 = $::tm_1; $::tr_0 = $::tr_1;
foreach my $cpu (keys %::percpu_1) { $::percpu_0{$cpu} = $::percpu_1{$cpu}; }
# estimate sleep delay to achieve desired interarrival by subtracting out
# the measured cpu runtime of the tool.
my $delay = $::arg_delay;
$delay = $MIN_DELAY if ($delay < $MIN_DELAY);
$delay = $MAX_DELAY if ($delay > $MAX_DELAY);
usleep( SI_M*$delay );
# Collect current state
$::tm_1 = (); $::tr_1 = (); %::percpu_1 = ();
# Get current hires epoc timestamp
$::tm_1 = clock_gettime(CLOCK_MONOTONIC);
$::tr_1 = clock_gettime(CLOCK_REALTIME);
# Get overall per-cpu stats
if ($is_schedstat) {
&read_schedstat(\%::percpu_1);
} else {
&read_stat(\%::percpu_1);
}
# Get current uptime
&get_uptime(\$::uptime);
# Get current loadavg
&get_loadavg(\%::loadavg, \$::runq, \$::num_tasks);
# Get current processes blocked
&get_blocked(\$::num_blk);
# Delta calculation
%::D_percpu = ();
$::tm_elapsed = $tm_1 - $tm_0;
foreach my $cpu (keys %::percpu_1) {
$::D_percpu{$cpu}{'runtime'} = ($::percpu_1{$cpu} - $::percpu_0{$cpu})/1.0E6;
if ($::tm_elapsed > 0.0) {
$::D_percpu{$cpu}{'occ'} = 100.0*$D_percpu{$cpu}{'runtime'}/1.0E3/$::tm_elapsed;
} else {
$::D_percpu{$cpu}{'occ'} = 0.0;
}
}
# Print tool header
if ($repeat == 1) {
&occtop_header(
\$::tr_1,
\$::uptime,
\%::loadavg,
\$::runq,
\$::num_blk,
\$::num_tasks,
\$::print_host,
);
}
# Print one-liner summary
&print_occtop(
\$::tr_1,
\$::num_cpus,
\%::D_percpu,
\$::arg_header,
);
# exit repeat loop if we have exceeded overall time
last if ($::tm_1 > $::tm_final);
} # REPEAT LOOP
# Print that tool has finished
print "done\n";
# Capture timestamp and report delta
$b1 = new Benchmark; $bd = Benchmark::timediff($b1, $b0);
printf "processing time: %s\n", timestr($bd);
exit 0;
#-------------------------------------------------------------------------------
# Parse per-cpu hi-resolution scheduling stats
sub read_schedstat
{
(local *::percpu) = @_;
my ($version, $timestamp);
my ($cpu, $cputime);
my ($fh, $file);
%::percpu = ();
# parse /proc/schedstat
$file = '/proc/schedstat';
open($fh, $file) || croak "Cannot open file: $file ($!)";
$_ = <$fh>; ($version) = /^version\s+(\d+)/;
$_ = <$fh>; ($timestamp) = /^timestamp\s+(\d+)/;
if ($version == 15) {
LOOP_SCHEDSTAT: while (<$fh>) {
# version 15: cputime is 7th field
if (/^cpu(\d+)\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+(\d+)\s+/) {
$cpu = $1; $cputime = $2;
$::percpu{$cpu} = $cputime;
}
}
} else {
croak "schedstat version: $version method not implemented.";
}
close($fh);
}
# Parse per-cpu jiffie stats; cputime excludes iowait.
sub read_stat
{
(local *::percpu) = @_;
my ($cpu, $cputime);
my ($user, $sys, $nice, $idle, $iowt, $hirq, $sirq);
my ($fh, $file);
%::percpu = ();
# parse /proc/stat
$file = '/proc/stat';
open($fh, $file) || croak "Cannot open file: $file ($!)";
LOOP_STAT: while (<$fh>) {
if (/^cpu(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+/) {
$cpu =$1; $user = $2; $sys = $3; $nice = $4; $idle = $5; $iowt = $6; $hirq = $7; $sirq = $8;
$cputime = $CLOCK_NS * ($user + $sys + $nice + $iowt + $hirq + $sirq);
$::percpu{$cpu} = $cputime;
}
}
close($fh);
}
# Parse load-average from /proc/loadavg
sub get_loadavg
{
(local *::loadavg, local *::runq, *::num_tasks) = @_;
$::loadavg{'1'} = 0.0;
$::loadavg{'5'} = 0.0;
$::loadavg{'15'} = 0.0;
$::runq = 0;
$::num_tasks = 0;
my $file = '/proc/loadavg';
open(my $fh, $file) || croak "Cannot open file: $file ($!)";
$_ = <$fh>;
if (/^(\S+)\s+(\S+)\s+(\S+)\s+(\d+)\/(\d+)\s+\d+/) {
$::loadavg{'1'} = $1;
$::loadavg{'5'} = $2;
$::loadavg{'15'} = $3;
$::runq = $4;
$::num_tasks = $5;
}
close($fh);
}
# Parse blocked from /proc/stat
sub get_blocked
{
(local *::num_blk) = @_;
$::num_blk = 0;
my $file = '/proc/stat';
open(my $fh, $file) || croak "Cannot open file: $file ($!)";
while ($_ = <$fh>) {
if (/^procs_blocked\s+(\d+)/) {
$::num_blk = $1;
}
}
close($fh);
}
# Parse uptime from /proc/uptime
sub get_uptime
{
(local *::uptime) = @_;
$::uptime = 0.0;
my $file = '/proc/uptime';
open(my $fh, $file) || croak "Cannot open file: $file ($!)";
$_ = <$fh>;
if (/^(\S+)\s+\S+/) {
$::uptime = $1;
}
close($fh);
}
# Get number of online logical cpus
sub get_num_logical_cpus {
(local *::num_cpus) = @_;
$::num_cpus = 0;
my $file = "/proc/cpuinfo";
open(my $fh, $file) || croak "Cannot open file: $file ($!)";
LOOP_CPUINFO: while (<$fh>) {
if (/^[Pp]rocessor\s+:\s\d+/) {
$::num_cpus++;
}
}
close($fh);
}
# Print occupancy summary
sub print_occtop {
(local *::tr_1,
local *::num_cpus,
local *::D_percpu,
local *::arg_header,
) = @_;
# counter
our $count;
$::count++; $::count %= $::arg_header;
$::count = 1 if ($::arg_header == 1);
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst);
($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($::tr_1);
my $msec = 1000.0*($::tr_1 - int($::tr_1));
# Print heading every so often
if ($::count == 1) {
printf "%s ".
"%7s ",
'yyyy-mm-dd hh:mm:ss.fff',
'total';
for (my $cpu=0; $cpu < $::num_cpus; $cpu++) {
printf "%5s ", $cpu;
}
print "\n";
}
# Print one summary
my $occ_total = 0.0;
for (my $cpu=0; $cpu < $::num_cpus; $cpu++) {
$occ_total += $::D_percpu{$cpu}{'occ'};
}
printf "%4d-%02d-%02d %02d:%02d:%02d.%03d ".
"%7.1f ",
1900+$year, 1+$mon, $mday, $hour, $min, $sec, $msec,
$occ_total;
for (my $cpu=0; $cpu < $::num_cpus; $cpu++) {
printf "%5.1f ", $::D_percpu{$cpu}{'occ'};
}
print "\n";
}
# Print header
sub occtop_header {
(local *::tr_1,
local *::uptime,
local *::loadavg,
local *::runq,
local *::num_blk,
local *::num_tasks,
local *::print_host,
) = @_;
# process epoch to get current timestamp
my $mm_in_s = 60;
my $hh_in_s = 60*60;
my $dd_in_s = 24*60*60;
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst);
($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($::tr_1);
my $msec = 1000.0*($::tr_1 - int($::tr_1));
# convert uptime to elapsed <d>:<hh>:<mm>:<ss>
my ($up, $up_dd, $up_hh, $up_mm, $up_ss);
$up = int($::uptime);
$up_dd = int($up/$dd_in_s);
$up -= $dd_in_s*$up_dd;
$up_hh = int($up/$hh_in_s);
$up -= $hh_in_s*$up_hh;
$up_mm = int($up/$mm_in_s);
$up -= $mm_in_s*$up_mm;
$up_ss = $up;
#occtop -- 2014/03/03 02:00:21.357 ldavg:0.07, 0.09, 0.08 runq:1 nproc:440 up:6:13:00:56
printf "%s %s -- ".
"%4d-%02d-%02d %02d:%02d:%02d.%03d ".
"ldavg:%.2f, %.2f, %.2f runq:%d blk:%d nproc:%d ".
"up:%d:%02d:%02d:%02d\n",
$::TOOLNAME, $::VERSION,
1900+$year, 1+$mon, $mday, $hour, $min, $sec, $msec,
$::loadavg{'1'}, $::loadavg{'5'}, $::loadavg{'15'},
$::runq, $::num_blk, $::num_tasks,
$up_dd, $up_hh, $up_mm, $up_ss;
return if (!($::print_host));
# After first print, disable print host information
$::print_host = 0;
# Get host specific information
my ($OSTYPE, $NODENAME, $OSRELEASE, $version, $MACHINE);
($OSTYPE, $NODENAME, $OSRELEASE, $version, $MACHINE) = POSIX::uname();
my ($NODETYPE, $SUBFUNCTION, $BUILDINFO) = ('-', '-', '-');
my ($SW_VERSION, $BUILD_ID) = ('-', '-');
# Get platform nodetype and subfunction
PLATFORM: {
my $file = "/etc/platform/platform.conf";
open(FILE, $file) || next;
while($_ = <FILE>) {
s/[\0\e\f\r\a]//g; chomp; # strip control characters if any
if (/^nodetype=(\S+)/) {
$NODETYPE = $1;
}
if (/^subfunction=(\S+)/) {
$SUBFUNCTION = $1;
}
}
close(FILE);
}
# Get loadbuild info
BUILD: {
my $file = "/etc/build.info";
open(FILE, $file) || next;
while($_ = <FILE>) {
s/[\0\e\f\r\a]//g; chomp; # strip control characters if any
if (/^SW_VERSION=\"([^"]+)\"/) {
$SW_VERSION = $1;
}
if (/^BUILD_ID=\"([^"]+)\"/) {
$BUILD_ID = $1;
}
}
close(FILE);
}
$BUILDINFO = join(' ', $SW_VERSION, $BUILD_ID);
# Parse /proc/cpuinfo to get specific processor info
my ($n_cpu, $model_name, $cpu_MHz) = (0, '-', 0);
CPUINFO: {
my $file = "/proc/cpuinfo";
open(FILE, $file) || croak "Cannot open file: $file ($!)";
while($_ = <FILE>) {
s/[\0\e\f\r\a]//g; chomp; # strip control characters if any
if (/^[Pp]rocessor\s+:\s+\d+/) {
$n_cpu++;
} elsif (/^model name\s+:\s+(.*)$/) {
$_ = $1; s/\s+/ /g;
$model_name = $_;
} elsif (/^cpu MHz\s+:\s+(\S+)/) {
$cpu_MHz = $1;
} elsif (/^bogomips\s+:\s+(\S+)/) {
$cpu_MHz = $1 if ($cpu_MHz == 0);
}
}
close(FILE);
}
printf " host:%s nodetype:%s subfunction:%s\n",
$NODENAME, $NODETYPE, $SUBFUNCTION;
printf " arch:%s processor:%s speed:%.0f #CPUs:%d\n",
$MACHINE, $model_name, $cpu_MHz, $n_cpu;
printf " %s %s build:%s\n", $OSTYPE, $OSRELEASE, $BUILDINFO;
}
# Parse and validate command line arguments
sub parse_occtop_args {
(local *::arg_debug,
local *::arg_delay,
local *::arg_repeat,
local *::arg_period,
local *::arg_header,
) = @_;
# Local variables
my ($fail, $arg_help);
# Use the Argument processing module
use Getopt::Long;
# Print usage if no arguments
if (!@::ARGV) {
&Usage();
exit 0;
}
# Process input arguments
$fail = 0;
GetOptions(
"debug:i", \$::arg_debug,
"delay=f", \$::arg_delay,
"period=i", \$::arg_period,
"repeat=i", \$::arg_repeat,
"header:i", \$::arg_header,
"help|h", \$arg_help
) || GetOptionsMessage();
# Print help documentation if user has selected --help
&ListHelp() if (defined $arg_help);
# Validate options
if ((defined $::arg_repeat) && (defined $::arg_period)) {
$fail = 1;
warn "$::TOOLNAME: Input error: cannot specify both --repeat and --period options.\n";
}
if ((defined $::arg_delay) && ($::arg_delay < 0.01)) {
$fail = 1;
warn "$::TOOLNAME: Input error: --delay %f is less than 0.01.\n",
$::arg_delay;
}
if (@::ARGV) {
$fail = 1;
warn "$::TOOLNAME: Input error: not expecting these options: '@::ARGV'.\n";
}
# Set reasonable defaults
$::arg_header ||= 15;
$::arg_delay ||= 1.0;
$::arg_repeat ||= 1;
if ($::arg_period) {
$::arg_repeat = $::arg_period / $::arg_delay;
} else {
$::arg_period = $::arg_delay * $::arg_repeat;
}
# Upon missing or invalid options, print usage
if ($fail == 1) {
&Usage();
exit 1;
}
}
# Print out a warning message and usage
sub GetOptionsMessage {
warn "$::TOOLNAME: Error processing input arguments.\n";
&Usage();
exit 1;
}
# Print out program usage
sub Usage {
printf "Usage: $::TOOLNAME OPTIONS\n";
printf " [--delay=<seconds>] [--repeat=<num>] [--period=<seconds>]\n";
printf " [--header=<num>]\n";
printf " [--help]\n";
printf "\n";
}
# Print tool help
sub ListHelp {
printf "$::TOOLNAME -- display hi-resolution per-cpu occupancy\n";
&Usage();
printf "Options: miscellaneous\n";
printf " --delay=<seconds> : output interval (seconds): default: 1.0\n";
printf " --repeat=<num> : number of repeat samples: default: 1\n";
printf " --period=<seconds> : overall tool duration (seconds): default: --\n";
printf " --header=<num> : print header every num samples: default: 15\n";
printf " --help : this help\n";
exit 0;
}
1;

1312
tools/monitor-tools/scripts/schedtop Executable file
View File

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