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authorLen Brown <len.brown@intel.com>2012-06-13 21:31:46 -0400
committerLen Brown <len.brown@intel.com>2012-07-19 22:26:33 -0400
commitc3ae331d1c2fe25edfbece73fda0bb312445b636 (patch)
treef8b0073148c028820bca3d5a0629f094cb7e6f44 /drivers/cpuidle
parentc98d5d9444732a032bc55d1a496bfa8439da9199 (diff)
tools/power: turbostat: fix large c1% issue
Under some conditions, c1% was displayed as very large number, much higher than 100%. c1% is not measured, it is derived as "that, which is left over" from other counters. However, the other counters are not collected atomically, and so it is possible for c1% to be calaculagted as a small negative number -- displayed as very large positive. There was a check for mperf vs tsc for this already, but it needed to also include the other counters that are used to calculate c1. Signed-off-by: Len Brown <len.brown@intel.com>
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