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Re: [PATCH -tip 0/4] perf-probe updates: string support, etc.
- From: Chase Douglas <chase dot douglas at canonical dot com>
- To: Masami Hiramatsu <mhiramat at redhat dot com>
- Cc: Ingo Molnar <mingo at elte dot hu>, Arnaldo Carvalho de Melo <acme at redhat dot com>, lkml <linux-kernel at vger dot kernel dot org>, Paul Mackerras <paulus at samba dot org>, Peter Zijlstra <peterz at infradead dot org>, Mike Galbraith <efault at gmx dot de>, Frederic Weisbecker <fweisbec at gmail dot com>, systemtap <systemtap at sources dot redhat dot com>, DLE <dle-develop at lists dot sourceforge dot net>
- Date: Mon, 5 Jul 2010 10:30:47 -0400
- Subject: Re: [PATCH -tip 0/4] perf-probe updates: string support, etc.
- References: <20100519195717.2885.90799.stgit@localhost6.localdomain6>
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