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Re: dependency on CONFIG_CPU_FREQ
- From: fche at redhat dot com (Frank Ch. Eigler)
- To: Li Guanglei <guanglei at cn dot ibm dot com>
- Cc: <systemtap at sourceware dot org>
- Date: 23 Jun 2006 07:50:07 -0400
- Subject: Re: dependency on CONFIG_CPU_FREQ
- References: <449BA1B4.8080202@cn.ibm.com>
Li Guanglei <guanglei@cn.ibm.com> writes:
> I found runtime/time.c make SystemTap dependent on CONFIG_CPU_FREQ.
Good point, the code should tolerate !CONFIG_CPU_FREQ.
> [...] I think most kernel running on servers/desktops don't have
> and needn't CONFIG_CPU_FREQ turned on, at least it's true for RH
> shipped kernel.
RH kernels (RHEL and Fedora) do have the cpufreq stuff turned on.
I suspect this actually benefits typical servers / desktops that
operate at less than 100% utilization.
- FChE