Messages in this thread | | | Date | Mon, 04 Nov 2013 08:17:24 -0700 | From | David Ahern <> | Subject | Re: [PATCH 3/3] perf tools: Check maximum frequency rate for record/top |
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On 11/4/13, 4:06 AM, Jiri Olsa wrote: > Adding the check for maximum allowed frequency rate > defined in following file: > /proc/sys/kernel/perf_event_max_sample_rate > > When we cross the maximum value we fail and display > detailed error message with advise.
perf commands should automatically adjust the default frequency too. If the user did not specify a frequency then this message is going to be confusing.
Though the algorithm that keeps lowering the rate should be tweaked as well.
David
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