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Firefox/Projects/Startup Time Improvements/joelr notes: Difference between revisions
Firefox/Projects/Startup Time Improvements/joelr notes (view source)
Revision as of 20:41, 27 August 2009
, 27 August 2009→DTrace tips and tricks
Joel Reymont (talk | contribs) |
Joel Reymont (talk | contribs) |
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= DTrace tips and tricks = | = DTrace tips and tricks = | ||
=== No need to sudo all the time === | |||
<pre> | |||
sudo chmod u+s `which dtrace` | |||
</pre> | |||
You can now run dtrace as yourself. Enjoy! | |||
=== timestamp vs vtimestamp === | === timestamp vs vtimestamp === | ||
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More likely than not, you are using copyinstr on memory that hasn't been paged in yet. Try saving the pointer on entry and doing the copying on return or later. | More likely than not, you are using copyinstr on memory that hasn't been paged in yet. Try saving the pointer on entry and doing the copying on return or later. | ||
''Italic text'' | |||