Re: [RFC PATCH 3/3] kernel tracing prototype

From: Martin Bligh
Date: Fri Dec 05 2008 - 10:38:02 EST


>> - vanilla 2.6.26 kernel, CONFIG_MARKERS=n
>> Throughput 759.352 MB/sec 4
>> - markers compiled in, tracing disabled
>> Throughput 754.18 MB/sec 4
>
> Is your kernel built with -freorder-blocks? This option dramatically
> reduces the cost of inactive markers/tracepoints.

I'm curious why we wouldn't turn that on by default in the makefile?
At least if CONFIG_MARKERS is on.
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