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lsof VS DTrace

Compare lsof VS DTrace and see what are their differences

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Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.
Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

lsof logo lsof

Lsof lists open files for running UNIX processes. It is a

DTrace logo DTrace

DTrace is a performance analysis and troubleshooting tool for Solaris, Mac OS X and FreeBSD.
  • lsof Landing page
    Landing page //
    2019-09-16
  • DTrace Landing page
    Landing page //
    2023-02-04

lsof features and specs

No features have been listed yet.

DTrace features and specs

  • Comprehensive Observability
    DTrace provides a comprehensive view of system behavior by observing metrics across various layers, including the operating system, hardware, and applications.
  • Real-time Analysis
    It allows for real-time tracing and diagnosing, which is critical for identifying performance bottlenecks as they occur.
  • Low-Overhead
    DTrace is designed to have minimal impact on system performance, making it suitable for use in production environments.
  • Dynamic Instrumentation
    It can dynamically enable and disable probes in a live system, which allows detailed monitoring without restarting the system or applications.
  • Cross-platform Support
    Originally developed for Solaris, DTrace has been ported to other operating systems like FreeBSD and MacOS, extending its usability.

Possible disadvantages of DTrace

  • Complexity
    DTrace's powerful capabilities can make it complex to learn and use effectively, especially for those unfamiliar with its scripting language.
  • Limited to Supported Platforms
    DTrace is not available on all operating systems, limiting its use to those systems that support it.
  • Security Concerns
    Since DTrace can access many parts of the system, there are potential security implications if not properly managed and secured.
  • Limited GUI Tools
    While DTrace is command-line oriented, it lacks advanced built-in graphical interfaces, which can be a drawback for users who prefer visual data representation.
  • Potential for Misuse
    Improper use of DTrace can lead to system instability or performance problems, particularly if inexperienced users enable extensive probes.

Analysis of lsof

Overall verdict

  • lsof (List Open Files) is a mature, battle-tested Unix/Linux utility that reliably reveals which files, sockets, and resources are opened by processes, making it an indispensable diagnostic tool for system administrators and developers.

Why this product is good

  • Provides comprehensive visibility into open files, network sockets, pipes, and devices tied to running processes
  • Extremely useful for troubleshooting 'device busy' errors, port conflicts, and locating processes holding onto deleted files
  • Highly portable across many Unix-like systems including FreeBSD, Linux, macOS, and Solaris
  • Long history of stable, well-maintained releases with extensive documentation and community support
  • Powerful filtering options let you query by user, process, port, file, or network connection

Recommended for

  • System administrators diagnosing resource and file-locking issues
  • Developers debugging network connections and socket usage
  • Security professionals investigating suspicious process activity and open network ports
  • Anyone needing to identify which process is using a specific file, directory, or port before unmounting or killing

lsof videos

+ Add

8 Basic lsof Commands Every Sysadmin Needs to Know

More videos:

  • Review - HakTip - Network monitoring in Linux with lsof

DTrace videos

+ Add

Dtrace Review

More videos:

  • Review - Dtrace Review
  • Review - !!Con 2016 - Finding out what's really going on, with DTrace! By Colin Jones

Category Popularity

0-100% (relative to lsof and DTrace)

lsof

DTrace

Command Line Tools
100 100%
Command Line Tools
0% 0
OS & Utilities
0 0%
OS & Utilities
100% 100
Performance Monitoring
100 100%
Performance Monitoring
0% 0
IDE
0 0%
IDE
100% 100

User comments

Share your experience with using lsof and DTrace. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, DTrace seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

lsof mentions (0)

We have not tracked any mentions of lsof yet. Tracking of lsof recommendations started around Mar 2021.

DTrace mentions (1)

  • Mactop
    I believe that macOS still ships with DTrace; Xcode Instruments was originally built on top of it. https://dtrace.org (Some people find it easier to write a one-line script that reports the timings that they need; I don't know if it helps you.). - Source: Hacker News / about 2 years ago

What are some alternatives?

When comparing lsof and DTrace, you can also consider the following products

htop - htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses. Latest release: htop 2.

OllyDbg - OllyDbg is a 32-bit assembler level analysing debugger.

Sysdig - Sysdig is an open source, system-level exploration that capture system state and activity from a running Linux instance, then save, filter and analyze.

X64dbg - X64dbg is a debugging software that can debug x64 and x32 applications.

vtop - vtop is a graphical command-line tool that uses unicode braille to chart CPU and memory usage.

SoftICE - SoftICE is a debugging software for windows and DOS that analyzes all your programs and repairs them.

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