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authorAlexey Makhalov <[email protected]>2016-10-19 22:02:11 -0700
committerThomas Gleixner <[email protected]>2016-10-21 10:12:11 +0200
commitcf11372949434fc4a6194b1ed9eb861d08032d08 (patch)
tree20c5ecbe1186df54f94b6762d17d47f9d9dd8491 /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf
parent1a1891d762d6e64daf07b5be4817e3fbb29e3c59 (diff)
x86/vmware: Read tsc_khz only once at boot time
Re-factor the vmware platform setup code to query the hypervisor for tsc frequency only once during boot. Since the VMware hypervisor guarantees constant TSC, calibrate_tsc now uses the saved value. Signed-off-by: Alexey Makhalov <[email protected]> Acked-by: Alok N Kataria <[email protected]> Cc: [email protected] Link: http://lkml.kernel.org/r/20161020050211.GA25304@amakhalov-virtual-machine Signed-off-by: Thomas Gleixner <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf')
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