On Mon, Aug 04, 2008 at 04:49:21PM -0500, David Smith wrote: > Roland McGrath wrote:
... Roland, David, > > 4. So, what's the plan? > > > > I need folks who might use global tracing to answer these questions: > > > > a. Do we want it? > > Yes. Systemtap currently does "global" tracing now, in a manner similar > to crash-suspend.c. The code looks for global CLONE, EXEC, and DEATH > events, so systemtap knows when threads come and go. Once systemtap > finds a process the user has told us he's interested in, it attaches > some additional per-thread engine(s). > > In the future, Frank has mentioned trying to do global memory map > tracing, which would require global syscall tracing (or future global > memory map tracing). Answer to (a) is surely yes, but... > > b. Do we want it right now? > > Yes. If you need beta testers, let me know. ... wouldn't it be better to first push the base utrace upstream and add this as a feature thereafter? Ananth
