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Collectl: An Advanced All-in-One Performance Monitoring Tool for Linux
The predominant project of a Linux approach administrator is to make certain that the system is in an excellent condition. Collectl is used to collect performance information that describes the present process popularity. Unlike most of the other monitoring tools, collectldoes no longer center of attention in a restricted number of process metrics. Instead it can gather information on many different types of system resources such as cpu, disk, memory, network, sockets, tcp, inodes, infiniband, lustre, memory, nfs, processes, quadrics, slabs and buddyinfo. This article explains about how to install collectl.
Features
- It runs interactively, as a daemon or both.
- It displays the output in many formats.
- It has the capability to monitor almost any subsystem.
- It plays the role of many other utilities such as ps, top, iotop, vmstat.
- It has the ability to record and playback the captured data.
- Exports the data in various file formats. (this is very useful when you want to analyse the data with external tools).
- It can run as a service to monitor remote machines or an entire server cluster.
- Displays the data in the terminal, write to a file or a socket.
Installing collectl in Linux
To install collectl in Linux, it should require perl. Use the following command to install perl –
$ sudo apt-get install perl
To install collectl, use the following command –
$ sudo apt-get install collectl
The sample output should be like this –
Building dependency tree Reading state information... Done The following additional packages will be installed: aglfn apache2 apache2-bin apache2-data apache2-utils colplot gnuplot gnuplot-tex gnuplot5-data gnuplot5-qt libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap libgetopt-simple-perl liblua5.1-0 libwxbase3.0-0v5 libwxgtk3.0-0v5 perl-tk Suggested packages: apache2-doc apache2-suexec-pristine | apache2-suexec-custom feedgnuplot gnuplot-doc libgnuplot-iostream-dev python-gnuplot gnuplot5-doc The following NEW packages will be installed: aglfn apache2 apache2-bin apache2-data apache2-utils collectl colplot gnuplot gnuplot-tex gnuplot5-data gnuplot5-qt libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap libgetopt-simple-perl liblua5.1-0 libwxbase3.0-0v5 libwxgtk3.0-0v5 perl-tk 0 upgraded, 20 newly installed, 0 to remove and 20 not upgraded. Need to get 10.5 MB of archives. After this operation, 41.4 MB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 http://in.archive.ubuntu.com/ubuntu xenial/main amd64 libapr1 amd64 1.5.2-3 [86.0 kB] Get:2 http://in.archive.ubuntu.com/ubuntu xenial/main amd64 libaprutil1 amd64 1.5.4-1build1 [77.1 kB] Get:3 http://in.archive.ubuntu.com/ubuntu xenial/main amd64 libaprutil1-dbd-sqlite3 amd64 1.5.4-1build1 [10.6 kB] Get:4 http://in.archive.ubuntu.com/ubuntu xenial/main amd64 libaprutil1-ldap amd64 1.5.4-1build1 [8,720 B] Get:5 http://in.archive.ubuntu.com/ubuntu xenial/main amd64 liblua5.1-0 amd64 5.1.5-8ubuntu1 [102 kB] Get:6 http://in.archive.ubuntu.com/ubuntu xenial/main amd64 apache2-bin amd64 2.4.18-2ubuntu3 [918 kB] Get:7 http://in.archive.ubuntu.com/ubuntu xenial/main amd64 apache2-utils amd64 2.4.18-2ubuntu3 [81.1 kB] Get:8 http://in.archive.ubuntu.com/ubuntu xenial/main amd64 apache2-data all 2.4.18-2ubuntu3 [162 kB] ................................................................................................
To run Collectl, use the following command –
$ collectl
The sample output should be like this –
waiting for 1 second sample... # #cpu sys inter ctxsw KBRead Reads KBWrit Writes KBIn PktIn KBOut PktOut 3 1 576 952 0 0 1428 175 0 0 0 0 1 1 372 998 0 0 0 0 0 2 0 0 2 1 477 896 0 0 0 0 0 1 0 0 2 1 437 1103 0 0 0 0 0 0 0 0 1 1 426 1045 0 0 160 14 0 4 0 0 2 1 392 962 0 0 0 0 0 6 0 0 2 1 358 920 0 0 0 0 0 2 0 0 2 1 421 1067 0 0 0 0 0 4 0 3 2 1 413 892 0 0 0 0 0 0 0 0 2 1 511 1771 0 0 0 0 0 0 0 0 6 2 759 3749 0 0 52 4 0 0 0 0 5 1 621 3251 0 0 0 0 0 0 0 0 6 2 771 4380 0 0 0 0 0 0 0 0 12 4 1080 8043 0 0 0 0 0 0 0 0 15 4 1215 8517 0 0 176 14 0 5 2 6 5 1 545 2512 0 0 212 20 1 1 0 1 5 1 502 2433 0 0 0 0 1 10 0 0 2 1 389 1173 0 0 0 0 0 4 0 0 20 3 1024 6732 0 0 0 0 0 1 0 0 27 5 1301 8061 0 0 0 0 0 0 0 0 2 1 749 3351 0 0 33932 53 0 2 0 1 8 2 791 4740 0 0 7788 31 0 0 0 0 # #cpu sys inter ctxsw KBRead Reads KBWrit Writes KBIn PktIn KBOut PktOut 10 3 856 5916 0 0 0 0 0 2 0 1 26 4 1176 6580 0 0 0 0 0 0 0 0 4 1 654 2984 0 0 0 0 0 0 0 0 3 1 451 1714 0 0 136 14 0 0 0 0 7 3 569 3232 0 0 0 0 0 0 0 0 4 2 726 1872 0 0 64 3 0 1 0 1 8 2 674 2750 0 0 0 0 0 6 0 0 7 2 610 3043 0 0 0 0 1 8 7 8 13 2 704 4142 0 0 0 0 2 6 0 3 10 2 831 3708 0 0 0 0 4 17 5 20 8 1 671 4091 0 0 0 0 0 4 0 0 5 1 614 3133 0 0 76 2 0 1 0 0 8 1 588 3025 0 0 0 0 0 1 0 0 8 1 676 3929 0 0 172 35 0 0 0 0 6 2 613 3100 0 0 48 2 0 1 0 0 3 1 757 3726 0 0 248 33 0 1 0 0 8 2 768 4200 0 0 156 3 0 0 0 0 2 1 449 1765 0 0 0 0 1 3 0 0 2 1 590 2032 0 0 0 0 0 0 0 0 2 1 583 1872 0 0 0 0 0 0 0 0 2 0 505 1445 0 0 0 0 2 9 0 0 3 1 609 2071 0 0 68 2 0 2 0 0 # #cpu sys inter ctxsw KBRead Reads KBWrit Writes KBIn PktIn KBOut PktOut 4 1 659 2958 0 0 0 0 1 7 2 4 2 1 618 2653 0 0 32 5 1 3 0 1 10 2 815 3966 0 0 0 0 1 6 0 0 4 1 480 1817 0 0 0 0 0 6 0 1 6 1 552 2502 0 0 264 5 1 8 0 0 6 2 612 3497 0 0 0 0 2 12 0 0 6 1 543 2670 0 0 0 0 1 2 0 0 5 1 519 2311 0 0 0 0 0 1 0 0 6 2 515 2463 0 0 0 0 1 7 0 0 7 2 616 3141 0 0 216 23 1 11 0 0 7 1 630 3578 0 0 0 0 1 15 0 0 8 2 641 3617 0 0 4 1 1 9 0 0 6 1 539 2369 0 0 0 0 1 8 0 0 9 1 680 3740 0 0 124 13 0 4 0 0 9 1 655 3997 0 0 0 0 1 7 0 0 4 1 595 1856 0 0 0 0 2 17 2 4 10 3 886 6428 0 0 20 5 0 4 0 0 10 2 1006 5959 0 0 0 0 0 6 0 0 3 2 746 1798 0 0 0 0 2 25 0 2 2 1 676 2194 0 0 32 2 1 7 0 0 4 1 713 2295 0 0 0 0 0 1 0 0 3 1 778 2313 0 0 4 1 0 3 0 0 # #cpu sys inter ctxsw KBRead Reads KBWrit Writes KBIn PktIn KBOut PktOut 2 1 523 1520 0 0 0 0 0 3 0 0 3 2 747 2625 0 0 0 0 0 5 0 0 3 1 688 2005 0 0 36 2 0 0 0 0 2 1 590 1180 0 0 168 21 0 1 0 0 1 1 464 1043 0 0 156 27 0 0 0 0 3 1 486 1202 0 0 188 3 0 0 0 0 3 1 674 2351 0 0 0 0 1 10 0 1 5 2 964 3355 0 0 0 0 1 6 0 0 .....................................................................................
As you have seen in the above output, it is very easy to work with the system metrics values present in the command output because it appears on a single line. You can also display statistics for all subsystems except slabs by combining the command with the below
For example, all option is shown as per below command –
$ sudo collectl --all
The sample output should be like this –
waiting for 1 second sample... # #cpu sys inter ctxsw Cpu0 Cpu1 Free Buff Cach Inac Slab Map Fragments KBRead Reads KBWrit Writes KBIn PktIn KBOut PktOut IP Tcp Udp Icmp Tcp Udp Raw Frag Handle Inodes Reads Writes Meta Comm 16 3 817 1542 430 390 1G 175M 1G 683M 193M 1G nsslkjjebbk 0 0 24 3 1 1 0 1 0 0 0 0 623 0 0 0 8160 240829 0 0 0 0 11 1 745 1324 316 426 1G 175M 1G 683M 193M 1G nsslkjjebbk 0 0 0 0 0 3 0 2 0 0 0 0 622 0 0 0 8160 240828 0 0 0 0 15 2 793 1683 371 424 1G 175M 1G 683M 193M 1G ssslkjjebbk 0 0 0 0 1 1 0 1 0 0 0 0 622 0 0 0 8160 240829 0 0 0 0 16 2 872 1875 427 446 1G 175M 1G 683M 193M 1G ssslkjjebbk 0 0 24 3 1 1 0 1 0 0 0 0 622 0 0 0 8160 240828 0 0 0 0 24 2 842 1383 473 368 1G 175M 1G 683M 193M 1G ssslkjjebbk 0 0 168 6 1 1 0 1 0 0 0 0 622 0 0 0 8160 240828 0 0 0 0 27 3 844 1099 478 365 1G 175M 1G 683M 193M 1G nsslkjjebbk 0 0 0 0 1 6 1 9 0 0 0 0 622 0 0 0 8160 240828 0 0 0 0 26 5 823 1238 396 428 1G 175M 1G 683M 193M 1G ssslkjjebbk 0 0 0 0 2 11 3 9 0 0 0 0 622 0 0 0 8160 240828 0 0 0 0 15 1 753 1276 361 391 1G 175M 1G 683M 193M 1G ssslkjjebbk 0 0 40 3 1 2 0 3 0 0 0 0 623 0 0 0 8160 240829 0 0 0 0
If you want to collect data about the memory, use the following command-
$ sudo collectl -sm
The sample output should be like this –
waiting for 1 second sample... # #Free Buff Cach Inac Slab Map 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G 1G 174M 2G 825M 170M 3G ...................................
To get the data on tcp, use the following command –
$ sudo collectl -st
The sample output should be like this –
# # IP Tcp Udp Icmp 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ............................
It is very easy to make collectl work as the top utility, just run the following command in your terminal-
$ sudo collectl --top
The sample output should be like this –
# TOP PROCESSES sorted by time (counters are /sec) 11:42:40 # PID User PR PPID THRD S VSZ RSS CP SysT UsrT Pct AccuTime RKB WKB MajF MinF Command # TOP PROCESSES sorted by time (counters are /sec) 11:42:44 9 24:47.28 0 0 0 37 compiz # TOP PROCESSES sorted by time (counters are /sec) 11:43:10Pct AccuTime RKB WKB MajF MinF Commandn/perl # TOP PROCESSES sorted by time (counters are /sec) 11:43:11Pct AccuTime RKB WKB MajF MinF Commandogle/chrome/chrome # PID User PR PPID THRD S VSZ RSS CP SysT UsrT Pct AccuTime RKB WKB MajF MinF Commandn/perl 30526 root 20 30525 0 R 74M 27M 1 0.01 0.08 9 00:03.41 0 0 0 0 /usr/bin/perl 13185 netdata 39 21351 0 S 20M 4M 0 0.01 0.03 4 02:56.04 0 8 0 3982 /bin/bash 871 root 20 787 1 S 369M 52M 0 0.01 0.01 2 26:54.20 0 0 0 2 /usr/lib/xorg/Xorg 1438 linux 20 1230 7 S 1G 225M 1 0.00 0.01 1 24:47.99 0 0 0 0 compiz 13055 netdata 39 21351 0 S 16M 3M 3 0.00 0.01 1 01:18.21 0 0 0 0 /usr/libexec/netdata/plugins.d/apps.plugin 17289 linux 20 1823 9 S 977M 236M 2 0.00 0.01 1 01:10.33 0 0 0 2 /opt/google/chrome/chrome 21577 netdata 39 21351 0 S 19M 3M 2 0.01 0.00 1 00:01.54 0 0 0 142 /bin/bash 29665 root 20 2 0 S 0 0 2 0.01 0.00 1 00:00.08 0 0 0 0 kworker/2:1 1 root 20 0 0 S 181M 5M 2 0.00 0.00 0 00:02.43 0 0 0 0 /sbin/init 2 root 20 0 0 S 0 0 0 0.00 0.00 0 00:00.04 0 0 0 0 kthreadd 3 root 20 2 0 S 0 0 0 0.00 0.00 0 00:05.39 0 0 0 0 ksoftirqd/0 5 root 0 2 0 S 0 0 0 0.00 0.00 0 00:00.00 0 0 0 0 kworker/0:0H 7 root 20 2 0 S 0 0 0 0.00 0.00 0 01:11.84 0 0 0 0 rcu_sched 8 root 20 2 0 S 0 0 0 0.00 0.00 0 00:00.00 0 0 0 0 rcu_bh 9 root RT 2 0 S 0 0 0 0.00 0.00 0 00:01.40 0 0 0 0 migration/0 10 root RT 2 0 S 0 0 0 0.00 0.00 0 00:00.18 0 0 0 0 watchdog/0 11 root RT 2 0 S 0 0 1 0.00 0.00 0 00:00.15 0 0 0 0 watchdog/1 12 root RT 2 0 S 0 0 1 0.00 0.00 0 00:01.59 0 0 0 0 migration/1 13 root 20 2 0 S 0 0 1 0.00 0.00 0 00:01.57 0 0 0 0 ksoftirqd/1 15 root 0 2 0 S 0 0 1 0.00 0.00 0 00:00.00 0 0 0 0 kworker/1:0H 16 root RT 2 0 S 0 0 2 0.00 0.00 0 00:00.15 0 0 0 0 watchdog/2 17 root RT 2 0 S 0 0 2 0.00 0.00 0 00:02.60 0 0 0 0 migration/2
To use the collectl utility as the ps tool run the following command in your terminal-
$ sudo collectl -c1 -sZ -i:1
The sample output should be like this –
waiting for 1 second sample... ### RECORD 1 >>> linux <<< (1461824164.001) (Thu Apr 28 11:46:04 2016) ### # PROCESS SUMMARY (counters are /sec) # PID User PR PPID THRD S VSZ RSS CP SysT UsrT Pct AccuTime RKB WKB MajF MinF Command 1 root 20 0 0 S 181M 5M 0 0.00 0.00 0 00:02.43 0 0 0 0 /sbin/init 2 root 20 0 0 S 0 0 3 0.00 0.00 0 00:00.04 0 0 0 0 kthreadd 3 root 20 2 0 S 0 0 0 0.00 0.00 0 00:05.40 0 0 0 0 ksoftirqd/0 5 root 0 2 0 S 0 0 0 0.00 0.00 0 00:00.00 0 0 0 0 kworker/0:0H 7 root 20 2 0 S 0 0 0 0.00 0.00 0 01:12.13 0 0 0 0 rcu_sched 8 root 20 2 0 S 0 0 0 0.00 0.00 0 00:00.00 0 0 0 0 rcu_bh 9 root RT 2 0 S 0 0 0 0.00 0.00 0 00:01.41 0 0 0 0 migration/0 10 root RT 2 0 S 0 0 0 0.00 0.00 0 00:00.18 0 0 0 0 watchdog/0 11 root RT 2 0 S 0 0 1 0.00 0.00 0 00:00.15 0 0 0 0 watchdog/1 12 root RT 2 0 S 0 0 1 0.00 0.00 0 00:01.60 0 0 0 0 migration/1 13 root 20 2 0 S 0 0 1 0.00 0.00 0 00:01.57 0 0 0 0 ksoftirqd/1 15 root 0 2 0 S 0 0 1 0.00 0.00 0 00:00.00 0 0 0 0 kworker/1:0H 16 root RT 2 0 S 0 0 2 0.00 0.00 0 00:00.15 0 0 0 0 watchdog/2 17 root RT 2 0 S 0 0 2 0.00 0.00 0 00:02.61 0 0 0 0 migration/2 18 root 20 2 0 S 0 0 2 0.00 0.00 0 00:01.38 0 0 0 0 ksoftirqd/2 20 root 0 2 0 S 0 0 2 0.00 0.00 0 00:00.00 0 0 0 0 kworker/2:0H 21 root RT 2 0 S 0 0 3 0.00 0.00 0 00:00.14 0 0 0 0 watchdog/3 22 root RT 2 0 S 0 0 3 0.00 0.00 0 00:02.30 0 0 0 0 migration/3 23 root 20 2 0 S 0 0 3 0.00 0.00 0 00:01.08 0 0 0 0 ksoftirqd/3 25 root 0 2 0 S 0 0 3 0.00 0.00 0 00:00.00 0 0 0 0 kworker/3:0H 26 root 20 2 0 S 0 0 0 0.00 0.00 0 00:00.00 0 0 0 0 kdevtmpfs 27 root 0 2 0 S 0 0 2 0.00 0.00 0 00:00.00 0 0 0 0 netns 28 root 0 2 0 S 0 0 2 0.00 0.00 0 00:00.00 0 0 0 0 perf 29 root 20 2 0 S 0 0 0 0.00 0.00 0 00:00.03 0 0 0 0 khungtaskd ............................................................................................
To get more information about Collectl, use the following command –
$ man collectl
Congratulations! Now, you know “How to install Collectl and usage on a Linux”. We’ll learn more about these types of commands in our next Linux post. Keep reading!
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