It does not solve the problem of TOCTOU but is good enough for now. 'on run' runs once at application launch. The way a stay-open script works is there's 2 main handlers, the 'on run' and the 'on idle'. Save it as an application and check the 'stay open' box to make it stay open after you launch it. Report back: I have put this code through DEV/PRD, it works quite well. So here's an example applescript for you. I should re-align my objective to minimize impact to the server instead of tracing CPU utilization.Ġ,15,30,45 * * * * nice -20 /usr/bin/php /home/user/batchprocess.php thanks in advance!īased on the input below, I realized that "nice" is a better solution in my case. The background job is image compression (CPU intensive, not much I/O or network).Īny suggestion is welcome. (redundancy DB instance, Development instance, NAT instance) I have a few EC2 instances that never shuts down, so I want to utilize their processing power when idle. # I could use a bash script here to call PHP, if it is a good solution.Īnd I have the PHP script check for CPU idle: batchprocess.php allowsleepallowsleepcommand Allow the Mac to idle sleep only when. Note that you will have to open this AppleScript and leave it running in order for the action (launching an application on idle) to ever occur.How can I run a cron job(bash script) only when CPU idle >50%? It can be used to execute a Unix command when the Mac or the dis- play of the Mac.
You can adjust the required period of inactivity to match your needs. By default, the event will Sleep after 15 minutes. In the Windows app, click the gear icon and. However, you can change the idle detection duration: To do this in the Mac app, go to Preferences, then go to the General tab. By default, the idle timer alert will go off at 10 minutes. Click Continue to the What and When step. If you click Ignore in the top right, the timer is left to continue running and the total time remains as-is. Choose the template Power off after inactivity. You will also want to modify the line to open Transmission instead of TextEdit. Launch System Preferences and select Power Manager. In this case idle is only after 2 minutes, but you can easily change that to be longer if necessary. If idletime is greater than idleCheck_usr then (* If a key was tapped after the idleCheck_usr seconds it opens the app. If a key was tapped within the idleCheck seconds, it quits the app. If idletime is less than idleCheck then (* 20 is 20 seconds.
Set idletime to do shell script "ioreg -c IOHIDSystem | awk '/HIDIdleTime/ '" There's been similar discussion on the Macworld Forums some years ago, and a specific post that essentially entails creating and running an AppleScript that will monitor your usage and launch an application when you go "idle". And those simply have a configurable time that goes off after the set number of minutes when there's no mouse/keyboard activity occurring. The only programs I've seen to actually have idle features are Instant Messaging Clients and the recent Mac App Store releases of Growl.
This is a very hard feat to accomplish, primarily because there is no specific definition of "Idle".
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