buffer_wait_start and buffer_wait_end were available because __wait_on_buffer() (linux/fs/buffer.c:124) was instrumented. It is not the case anymore so I'm afraid there are no equivalents.
Regards, Jérémie On Mon, Sep 16, 2013 at 9:23 AM, Steffen, Kai-Uwe (Kai-Uwe) <[email protected]> wrote: > Hi. > > > > Currently I’m working with LTTng 2.3.0 for Ubuntu 12.4, to see if this > version would meet our requirements. > > With old LTT and LTTng 0.x it was possible to trace page waits. > > Tracepoints were called “Page Wait” for LTT and “buffer_wait_start” > “buffer_wait_end” for LTTng 0.x. > > > > Now I looked for the tracepoints available with 2.3.0 and didn’t find > tracepoint for the page waits. > > > > Lttng list –k > > > > Can you tell me if there is a tracepoint available in LTTng 2.3 or is it not > supported yet? > > > > Thanks Kai > > > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > -- Jérémie Galarneau EfficiOS Inc. http://www.efficios.com _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
