The Network Logger Pro & IT apps for macOS can do all of these things. See short videos about Network Logger Pro or continue scrolling to see screenshots. The Network Status Panel: See your Connection Outage Log, Realtime Graphs of network speeds, sleep periods and a long term History Graph. Requires OS X 10.9+. MacOS 10.15 (Catalina) compatible. Added Log Confirmed/Unconfirmed popup. Added radio CW Keyer support for IC-7410, IC-9700. Start dxcluster after db loaded. Maintain Log selections after sort. QSL Remarks free-form. ADIF export EQSLQSLRCVD bug fixed. Improved window save position. Below the button you’ll see the name of the network you’re connected to as well as the IP address assigned to your Mac. If you choose an active ethernet connection, you’ll spy the same. Jul 21, 2009 prMac.com Saint Petersburg, Russia - ProteMac today announced ProteMac Meter 2.8, an update to their network Activity monitor and network traffic logger utility for Mac OS X. With a focus on ease-of-use, ProteMac Meter allows control network activity for every application on your Mac, showing you exactly what was transmitted and to where.
This article describes some of the commonly used features of Activity Monitor, a kind of task manager that allows you see how apps and other processes are affecting your CPU, memory, energy, disk, and network usage.
Open Activity Monitor from the Utilities folder of your Applications folder, or use Spotlight to find it.
Overview
The processes shown in Activity Monitor can be user apps, system apps used by macOS, or invisible background processes. Use the five category tabs at the top of the Activity Monitor window to see how processes are affecting your Mac in each category.
Add or remove columns in each of these panes by choosing View > Columns from the menu bar. The View menu also allows you to choose which processes are shown in each pane:
CPU
The CPU pane shows how processes are affecting CPU (processor) activity:
Click the top of the “% CPU” column to sort by the percentage of CPU capability used by each process. This information and the information in the Energy pane can help identify processes that are affecting Mac performance, battery runtime, temperature, and fan activity.
More information is available at the bottom of the CPU pane:
You can also see CPU or GPU usage in a separate window or in the Dock:
Memory
The Memory pane shows information about how memory is being used:
More information is available at the bottom of the Memory pane:
For more information about memory management, refer to the Apple Developer website.
Energy
The Energy pane shows overall energy use and the energy used by each app:
More information is available at the bottom of the Energy pane:
As energy use increases, the length of time that a Mac can operate on battery power decreases. If the battery life of your portable Mac is shorter than usual, you can use the Avg Energy Impact column to find apps that have been using the most energy recently. Quit those apps if you don't need them, or contact the developer of the app if you notice that the app's energy use remains high even when the app doesn't appear to be doing anything.
Disk
The Disk pane shows the amount of data that each process has read from your disk and written to your disk. It also shows 'reads in' and 'writes out' (IO), which is the number of times that your Mac accesses the disk to read and write data.
The information at the bottom of the Disk pane shows total disk activity across all processes. The graph moves from right to left and updates at the intervals set in View > Update Frequency. The graph also includes a pop-up menu to switch between showing IO or data as a unit of measurement. The color blue shows either the number of reads per second or the amount of data read per second. The color red shows either the number of writes out per second or the amount of data written per second.
To show a graph of disk activity in your Dock, choose View > Dock Icon > Show Disk Activity.
Network
The Network pane shows how much data your Mac is sending or receiving over your network. Use this information to identify which processes are sending or receiving the most data.
The information at the bottom of the Network pane shows total network activity across all apps. The graph moves from right to left and updates at the intervals set in View > Update Frequency. The graph also includes a pop-up menu to switch between showing packets or data as a unit of measurement. The color blue shows either the number of packets received per second or the amount of data received per second. The color red shows either the number of packets sent per second or the amount of data sent per second.
To show a graph of network usage in your Dock, choose View > Dock Icon > Show Network Usage.
Cache
In macOS High Sierra 10.13.4 or later, Activity Monitor shows the Cache pane when Content Caching is enabled in the Sharing pane of System Preferences. The Cache pane shows how much cached content that local networked devices have uploaded, downloaded, or dropped over time.
Use the Maximum Cache Pressure information to learn whether to adjust Content Caching settings to provide more disk space to the cache. Lower cache pressure is better. Learn more about cache activity.
The graph at the bottom shows total caching activity over time. Choose from the pop-up menu above the graph to change the interval: last hour, 24 hours, 7 days, or 30 days.
Learn more
Sometimes, while debugging your Web app (or client-side code using Necko), it can be useful to log HTTP traffic. This saves a log of HTTP-related information from your browser run into a file that you can examine (or upload to Bugzilla if a developer has asked you for a log).
Note: The Web Console also offers the ability to peek at HTTP transactions within Firefox. HTTP logging generally provides more detailed logging.
Using about:networking
This is the best and easiest way to do HTTP logging. At any point during while your browser is running, you can turn logging on and off. This allows you to capture only the 'interesting' part of the browser's behavior (i.e. your bug), which makes the HTTP log much smaller and easier to analyze.
Logging HTTP activity by manually setting environment variables
Sometimes the about:networking approach won't work, for instance if your bug occurs during startup, or you're running on mobile, etc. In that case you can set environment variables *before* you launch Firefox. Note that this approach winds up logging the whole browser history, so files can get rather large (they compress well :)
Setting environment variables differs by operating system. Don't let the scary-looking command line stuff frighten you off; it's not hard at all!
Windows
Linux
This section offers information on how to capture HTTP logs for Firefox running on Linux.
Mac OS X
These instructions show how to log HTTP traffic in Firefox on Mac OS X.
Note: The generated log file uses Unix-style line endings. Older editors may have problems with this, but if you're using an even reasonably modern Mac OS X application to view the log, you won't have any problems.
Start logging using command line arguments
Since Firefox 61 it's possible to start logging in a bit simpler way than setting environment variables: using command line arguments. Here is an example for the Windows platform, on other platforms we accept the same form of the arguments:
Advanced techniques
You can adjust some of the settings listed above to change what HTTP information get logged.
Limiting the size of the logged data
By default there is no limit to the size of log file(s), and they capture the logging throughout the time Firefox runs, from start to finish. These files can get quite large (gigabytes)! So we have added a 'rotate:SIZE_IN_MB' option to MOZ_LOG (we use it in the examples above). If you are using Firefox >= 51, setting this option saves only the last N megabytes of logging data, which helps keep them manageable in size. (Unknown modules are ignored, so it's OK to use 'rotate' in your environment even if you're running Firefox <= 50: it will do nothing).
This is accomplished by splitting the log into up to 4 separate files (their filenames have a numbered extension, .0, .1, .2, .3) The logging back end cycles the files it writes to, while ensuring that the sum of these files’ sizes will never go over the specified limit.Â
Note 1: the file with the largest number is not guarantied to be the last file written! We don’t move the files, we only cycle. Using the rotate module automatically adds timestamps to the log, so it’s always easy to recognize which file keeps the most recent data.
Note 2: rotate doesn’t support append. When you specify rotate, on every start all the files (including any previous non-rotated log file) are deleted to avoid any mixture of information. The
append module specified is then ignored.
Use 'sync' if your browser crashes or hangs
By default, HTTP logging buffers messages and only periodically writes them to disk (this is more efficient and also makes logging less likely to interfere with race conditions, etc). However, if you are seeing your browser crash (or hang) you should add ',sync' to the list of logging modules in your MOZ_LOG environment variable. This will cause each log message to be immediately written (and fflush()'d), which is likely to give us more information about your crash.
Logging only HTTP request and response headers
There are two ways to do this:
Turning off logging of socket-level transactions
If you're not interested in socket-level log information, either because it's not relevant to your bug or because you're debugging something that includes a lot of noise that's hard to parse through, you can do that. Simply remove the text
nsSocketTransport:5 from the commands above.
Turning off DNS query logging
You can turn off logging of host resolving (that is, DNS queries) by removing the text
nsHostResolver:5 from the commands above.
Enable Logging for try server runs
You can enable PR_LOGGING on try by hacking build/automation.py.in, in 'def environment'. For example:
Network Logger Windowsdef environment(...
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