Andrew Morton <akpm@linux-foundation.org> writes:

quoted text
> [...]
>> 	Please find the patches that enhance the 'trace' infrastructure
>> (available in the -mm tree) and which introduce two new APIs
>> relay_dump() and relay_printk().
>> [...]

quoted text
> I'm a bit perplexed by these trace patches
> (http://userweb.kernel.org/~akpm/mmotm/broken-out/trace-code [...]
> Is it useful?  Will it be useful?  [...]  I haven't heard much noise
> about it and I'm struggling to justify merging it.

Right.

quoted text
> Also, it's starting to look somewhat similar to ftrace, which also
> provides sort of high-bandwidth per-cpu channels into userspace for
> tracing purposes.

Perhaps ftrace ought to use this facility for its debugfs-facing bulk
data interface rather than an internal one that cannot be used by
anyone else.  Perhaps lttng could use it.  Systemtap could.  I believe
a grand unification at this level was the idea.

- FChE
--
unsubscribe notice
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/