Messages in this thread | | | Date | Mon, 28 Apr 2008 14:49:35 -0400 | From | Christoph Hellwig <> | Subject | Re: [patch 00/37] Linux Kernel Markers instrumentation for sched-devel.git |
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On Mon, Apr 28, 2008 at 11:47:58AM -0700, Andrew Morton wrote: > > On Mon, Apr 28, 2008 at 11:36:10AM -0700, Andrew Morton wrote: > > > It hides the cosmetically-ugly bits, but not the deeply ugly: each of these > > > trace points is an extension to the kernel->userspace API, with all that > > > this implies. > > > > Not at all. It's only accessibe to kernel code, so it per defintion > > can't be a userspace API. > > eh? It adds human-readable printk strings.
It looks like a printk string but it isn't. You need a kernel module to actually connect to it and do the tracing.
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