1/3/2024 0 Comments Mac os system monitor![]() This makes it easier to examine filesystem changes caused by a particular app.To use it, you'll need to copy the file: fsevents.sofrom the bindings module, linked above, into: /System/Library/Frameworks/amework/Versions/2.3/lib/python2.3/site-packages(You can't do a normal Python install unless you have pyrex installed.)Then simply paste the following code into a text file, and save it in: /usr/local/bin and $ chmod +x scriptnameHere's the script (you can name it whatever you want): #! /usr/bin/python# Raw, mostly untested code. Using Garion's Python bindings, mentioned above, I whipped up a little script that sorts the file system events by PID. The disadvantage of that is that filesystem activity by several processes are all mixed up. The command line tools linked in the hint all log events as they happen. So if you try these tools and Spotlight seems to be working a bit harder than usual, the above may be the reason.] Note that Spotlight will not reindex the entire volume - it will only look for the changes that it missed. If you cause heavy enough file system activity (what's "heavy" will vary greatly, depending on your system and its currently available resources), both fslogger and Spotlight may miss events, causing Spotlight to spend some extra time looking at your volume. If you are going to test them, you should read the caveat on the fslogger page - here's a snippet of it: ![]() [ robg adds: I haven't tested any of these apps, GUI or command line. ![]() Track file changes to help with system recovery.$ sudo fslogger > ~/Desktop/NewAppFiles.log Now you have a record of all file system changes caused by the installer. It produces XML output.Ī typical use of these commands would be to first run one in Terminal, redirecting output to a file, then run an installer, terminating the command when the installer is done. Sandal: So far as I can tell, you have to dig into the Sonar bundle (GUI app above) to find the binary and source code, Sonar.app -> (Control-click and Show Package Contents) -> Contents -> Resources.It produces compact, plain text output that uses the following event codes: The binary is located in the app bundle in fseventer.app -> (Control-click and Show Package Contents) -> Contents -> Resources. fetool: Source and binary included with fseventer (GUI app above).fslogger: Provides verbose, plain text output.Now for the meat of this hint, the command line tools.Ĭopy each of these binaries to /usr/local/bin, and run each in Terminal using sudo, e.g., sudo fslogger. Yank (commercial): An uninstaller (I haven't tried it).Sonar (commercial): File activity monitor (I haven't tried it).fseventer (donationware): Provides a real-time graphical view of changes occuring in your filesystem.These are useful for, e.g., monitoring files created by installers, and so forth.įor reasons that will become clear in a moment, let me first mention a few GUI tools: Several command line and GUI tools are now available that can suscribe to the event notification system and provide a log of the events. OS X 10.4 has a private API that's used by Spotlight to monitor file system events such as file creation, renaming, and permission changes.
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