DTrace - Archive of obsolete content
dtrace is sun microsystem's dynamic tracing framework that allows developers to instrument a program with probes that have little to no effect on performance when not in use and very little when active.
...mozilla dtrace support has been added by the sun dtrace team and can be used on solaris 10 and mac os x 10.5.
... dtrace has been largely supplanted by the gecko profiler and other tools, so this documentation has been archived.
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dtrace
dtrace is a powerful mac os x kernel instrumentation system that can be used to profile wakeups.
... invocation dtrace must be invoked as the super-user.
... sudo dtrace -n 'mach_kernel::wakeup { @[ustack()] = count(); }' -p $firefox_pid > $output_file let's break that down further.
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Index - Archive of obsolete content
414 dtrace archive, dtrace, performance, profiling, qa, testing dtrace is sun microsystem's dynamic tracing framework that allows developers to instrument a program with probes that have little to no effect on performance when not in use and very little when active.
...mozilla dtrace support has been added by the sun dtrace team and can be used on solaris 10 and mac os x 10.5.

Archived Mozilla and build documentation - Archive of obsolete content
dtrace dtrace is sun microsystem's dynamic tracing framework that allows developers to instrument a program with probes that have little to no effect on performance when not in use and very little when active.
...mozilla dtrace support has been added by the sun dtrace team and can be used on solaris 10 and mac os x 10.5.

Power profiling overview
some tools can provide high-context wakeup measurements: dtrace (on mac) and perf (on linux.) source-level instrumentation, such as timerfirings logging, can identify which timers are firing frequently.
... for high wakeup counts, use dtrace or perf or timerfirings logging.

Index of archived content - Archive of obsolete content
in-depth links contents.rdf toolbarbindings.xml creating a skin for seamonkey 2.x getting started chrome.manifest install.rdf creating a hybrid cd creating regular expressions for a microsummary generator dtrace dehydra dehydra frequently asked questions dehydra function reference dehydra object reference installing dehydra using dehydra developing new mozilla features devmo 1.0 launch roadmap download manager improvements in firefox 3 download manag...

Makefile - variables
libobjs have_dtrace sun microsystem's dynamic tracing environment is available.

Profiling with Xperf
xperf is part of the microsoft windows performance toolkit, and has functionality similar to that of shark, oprofile, and (for some things) dtrace/instruments.