Christoph Hellwig wrote: > On Mon, Jun 22, 2009 at 01:01:35PM -0500, Felix Blyakher wrote: >>> To use it make sure CONFIG_EVENT_TRACING is enabled and then enable >>> all >>> xfs trace channels by: >>> >>> echo 1 > /sys/kernel/debug/tracing/events/xfs/enable >> Does event tracing work on ia64 platform? >> I spent some time on it over weekend, but was not able even >> to force "CONFIG_EVENT_TRACING=y" setting in the .config. >> Seems to build ok on x86_64, which does have CONFIG_TRACING >> in defconfig, and allows to set CONFIG_EVENT_TRACING. > > IA64 ftrace support was added earlier this year, but it seems it can't > be enabled anymore since the big config option reshuffle. Now tracing > support requires the architecture to define the TRACE_IRQFLAGS_SUPPORT > and STACKTRACE_SUPPORT symbols, which seems to be missing on ia64. Where are we at with this one, I'd like to get this in for XFS but I agree w/ Felix that throwing out a "working" trace infrastructure w/ nothing to replace it on ia64 would not be great. Is this just config confusion, or is the functionality actually missing on ia64? Thanks, -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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