mtr
perf-tools
mtr | perf-tools | |
---|---|---|
22 | 6 | |
2,537 | 9,601 | |
- | - | |
6.3 | 0.0 | |
about 2 months ago | 5 months ago | |
C | Shell | |
GNU General Public License v3.0 only | GNU General Public License v3.0 only |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
mtr
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Trippy 0.9.0 Release
As a reminder, Trippy combines the functionality of traceroute and ping and is designed to assist with the analysis of networking issues. You can think of it as a modern, cross platform, Rust based version of tools such as mtr, with a bunch of advanced features and a fancy TUI.
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Show HN: How did YOUR computer reach my server?
Cool project! Two suggestions, one serious, one frivolous:
- I wonder if you could get more accurate results by using TCP or UDP instead of ICMP. I think traditional traceroute has an option to use UDP, mtr [1] can use TCP or UDP, and tcptraceroute [2] can use TCP.
- This would be a perfect fit for some Talking Heads references. "And you may ask yourself, well, how did I get here?" [3]
[1] https://github.com/traviscross/mtr
[2] https://linux.die.net/man/1/tcptraceroute
[3] https://en.wikipedia.org/wiki/Once_in_a_Lifetime_(Talking_He...
- MTR Traceroute
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Internet goes out every day at 4:15pm
Run mtr, or whatever the Windows equivalent might be, and leave it running shortly before 4:15pm, and see where the traffic stops when the Internet shuts off.
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What software/tools should every sysadmin have on their desktop?
Lot of great stuff here, haven’t seen MTR yet: https://github.com/traviscross/mtr
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Troubleshooting Issues
Consider using MTR (software) towards the actual end-point of the SIP connection to get a combination of traceroute and ping which will be much more revealing. This will also allow you to quickly identify if the problem is local to your equipment or somewhere along the path. Consider allowing her to join a Google Conference from Teams to determine if it is provider related. Yes, port mirroring and wire shark is the gold standard and will display the "answer" on your screen quickly but it requires skills to know what to analyze, look at and how to interpret the data.
- ICMP, Ping, and Traceroute – What I Wish I Was Taught
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Tmux over ssh freezes faster then ssh session timeout
Have you tried something like mtr to check for connection issues? I would recommand the view you get when hitting d twice after starting it (with the colored graph for latencies).
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What's everyone working on this week (17/2022)?
Continuing to build trippy; a network diagnostic tool inspired by mtr. There is still a long way to go but it is getting closer to feature parity with mtr.
- Internet magically gets faster when opening speedtest?
perf-tools
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The Gems of Moreutils
For execsnoop, people running systems with DTrace can find the same:
* https://github.com/jorgev/dtrace-scripts/blob/master/execsno...
On macOS Monterey+ you'll probably have to install the Kernel Debug Kit per:
* https://developer.apple.com/forums/thread/692444
The Linux variant was written Brendan Gregg (who previous did a lot of work on Solaris, where DTrace was created):
* https://github.com/brendangregg/perf-tools/blob/master/execs...
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LINUX TOOLS PERFORMANCE for us !
by https://github.com/brendangregg/perf-tools
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Track what process modify file
It's not a library you can use but you might be able to take inspiration from something like opensnoop.
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Does any one know how to make perf in wsl2, show the info like Cycles, Instructionis.
There are several tools that might go by the name 'perf', are you talking about this one? https://github.com/brendangregg/perf-tools
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Which kernel functions are called upon page cache accesses?
I have an application and I'd like to measure its page cache hit/miss numbers. I found this tool called cachestat by Brendan Gregg, which uses the ftrace tool to count the number of 4 specific functions (mark_page_accessed(), mark_buffer_dirty(), add_to_page_cache_lru(), and account_page_dirtied()) to find out the total number of page cache accesses and page cache misses. Detailed information can be found here, but basically, total number of page cache accesses and page cache misses can be calculated as below:
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Using Distributed Tracing in Microservices Architecture
Program(Process) Tracing (ptrace) Tools: Establishes tracing operation during the execution of the application. Contains the traces of the index of instructions executed and the data referenced during execution. These are greatly used by developers for debugging purposes. Some examples of ptrace tools are, Strace, Ltrace, Opensnoop, and Valgrind Lackey.
What are some alternatives?
Wireshark - Read-only mirror of Wireshark's Git repository at https://gitlab.com/wireshark/wireshark. ⚠️ GitHub won't let us disable pull requests. ⚠️ THEY WILL BE IGNORED HERE ⚠️ Upload them at GitLab instead.
mitmproxy - An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
iperf - iperf3: A TCP, UDP, and SCTP network bandwidth measurement tool
Sysdig - Linux system exploration and troubleshooting tool with first class support for containers
trippy - A network diagnostic tool
strace - strace is a diagnostic, debugging and instructional userspace utility for Linux
httpstat - curl statistics made simple
grml - Grmls core configuration files for zsh, vim, screen…
ltrace