Re: [PATCH -tip 0/4] perf-probe updates: string support, etc.

From: Chase Douglas
Date: Mon Jul 05 2010 - 10:31:12 EST


On May 19, 2010, at 3:57 PM, Masami Hiramatsu wrote:
> Hi,
>
> Here is a series of patches which improves perf probe to
> add below features. I cleared some coding style issues.
>
> - String support, which enables dynamic events to trace string
> variables instead of its address.
>
> - Fixed-index array entry support, which allows user to trace
> an array entry with digit index, e.g. array[0].
>
> - Global/static variable support, which allows user to trace
> global or static variables, as same as local one.
>
>
> TODOs (possible features):
> - Support dynamic array-indexing (var[var2])
> - Support force type-casting ((type)var)
> - Show what deta-structure member is assigned to each argument.
> - Better support for probes on modules
> - More debugger like enhancements(%next, --disasm, etc.)
>
> Thank you,
>
> ---
>
> Masami Hiramatsu (4):
> perf probe: Support static and global variables
> perf probe: Support tracing an entry of array
> perf probe: Support "string" type
> tracing/kprobes: Support "string" type

What's the status of these patches? They seem very useful to me, but I
don't see them in Arnaldo's tree at git.kernel.org.

Thanks,

-- Chase
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