On 11/19/2010 02:53 PM, Josef Weidendorfer wrote: > Valgrinds current profiling tools have a given use case: see how your code > performs regarding to cache behavior. If that is not an issue, you probably > should use other tools, such as strace, perf (for system-wide sampling), > or the newly announced "trace" tool. Sure, there is the possibility to extend > the Valgrind tools to cover further use cases, but sometimes you have to agree > that another measurement strategy is just better. E.g. Valgrind simply can not > see what is going on in the OS.
Thanks for all the help. I looked at perf and it gives us some of the
numbers we want. I guess perhaps I like the visualization tool
(KCachgrind) that comes with Valgrind, it makes the data mining so easy.
I'll give those other tools a go over and what results I get.
But don't discount Valgrind for other uses. I realize now that my cache
miss rate is less than 1% but it's still helping me find bottlenecks and
problems.
Do you have a URL for the "trace" tool? You can imagine searching for
that word isn't getting me very far. ;)
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