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Re: [PATCH] instruction tracing probe
- From: fche at redhat dot com (Frank Ch. Eigler)
- To: Dave Nomura <dcnltc at us dot ibm dot com>
- Cc: systemtap at sourceware dot org
- Date: Mon, 30 Jun 2008 09:56:17 -0400
- Subject: Re: [PATCH] instruction tracing probe
- References: <4868220A.7050507@us.ibm.com>
Dave Nomura <dcnltc@us.ibm.com> writes:
> This patch set implements user space instruction tracing [...]
Nice work. Too bad the pwoerpc critical-region stuff makes it all
complicated enough to justify making it a near-clone of the
utrace_derived_probe rather than being integrated there.
> probe process(PID_OR_NAME).itrace [ if (<condition>) ]
> {
> // instr tracing code
> }
Eventually this (the conditions) will work fast. For now, it merely
works. :-)
- FChE