![]() ![]() Applications such as Safari don’t really need to be doing much when they are not visible – recall the great demo in the last Apple keynote that showed Safari having a nap when another window covered it? A new option in the power meter shows energy impact This tab shows you energy used over the last 8 hours or so, as well as which apps are “napping” – this is a unique new feature that is designed to put apps to sleep for periods of time when they do not need to run. With increased focus on saving energy (and thus extending battery life), Mavericks really helps you find out which applications and processes are using the most energy. In Mavericks, Activity Monitor has gained a new Energy section. ![]() View more details about each process (e.g. If you double click any process from the Process Name list, it will open a window that shows more details about that process (or just click the “i” button on the window), as well as more details about memory usage, some general statistics such as CPU %, and a list of open files and ports. This is a completely new Mavericks feature and can really help to speed things up and keep everything snappy. There is also the new “compressed memory” heading – basically when your Mac is running out of memory, it will compress some of that memory thus freeing up some of the space to use for other processes. If you have limited memory and your Mac is continually using virtual memory (hard disk space it treats as RAM), then this graph will clearly show that. The most notable feature is perhaps the new concept of “memory pressure” which is a chart that shows just how much strain the system is in, in terms of memory use. This section of Activity Monitor has a few new features, such as a nice summary at the bottom which shows all the different categories of memory (physical, virtual, app memory used and file cache size). The memory section quickly lets you see what applications are consuming the most memory – you can order the Memory column in ascending or descending order. Memory View details about memory used on your Mac In terms of Mavericks, there’s not really that much new in the CPU section, but it does give you the ability to see how loaded your system is. ![]() If you then click Zoom from the Window menu, you can see a fullscreen version of the CPU History window. Even if you close the Activity Monitor window (but not Quit), you can keep this little window open to monitor the workload on your Mac. There is also a nice CPU usage window (accessibly from Window -> CPU History) that launches a mini window that shows the activity of each CPU core. Customise the columns shown from the View menu From the View menu choose All processes, hierarchically. Now you can expand each one (using the little grey arrow next to the application name) to view more details about every process used by every application. It can also be useful to change the view to show processed hierarchically – that is, organised by application and every sub-process. Note that it’s possible to add more columns to this particular view – just select View -> Columns from the menu and choose which columns you want to see – the entire list is displayed and it can be customised any way you like. ![]() By default, there are 7 columns shown – such as the Process Name, %CPU used and time, number of threads, idle wake ups, the process ID and the user that is running that process. Network CPU The main screen of Activity MonitorĬlick on the CPU button to see details about your Mac’s processing activities.The first thing you’ll notice is a list of all the processes running, along with various options at the top: Can you track your activity via Planet Fitness app? ![]()
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