Re: Very slow NSTableView
Re: Very slow NSTableView
- Subject: Re: Very slow NSTableView
- From: Jens Alfke <email@hidden>
- Date: Tue, 4 Jul 2017 12:56:04 -0700
> On Jul 4, 2017, at 12:00 AM, Graham Cox <email@hidden> wrote:
>
> Heh, well, I wish I knew.
> Instruments isn’t working. It’s a new machine which I set up from my older
> machine. XCode works fine, but Instruments doesn’t. I guess that just copying
> stuff over isn’t enough to install it.
FYI, you don’t need Instruments to do quick and dirty CPU sampling. Just use
the “sample” tool, or the View>Sample Process command in Activity Monitor.
Activity Monitor produces prettier output, but I find the CLI tool more
convenient to use — if I need to trigger the behavior by e.g. scrolling, I’ll
enter “sleep 5; sample MyApp 2” in Terminal, then switch to my app and start
scrolling until the sampling finishes.
—Jens
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