; Copyright (c) 2016-2017, Intel Corporation ; ; Redistribution and use in source and binary forms, with or without ; modification, are permitted provided that the following conditions are met: ; ; * Redistributions of source code must retain the above copyright notice, ; this list of conditions and the following disclaimer. ; * Redistributions in binary form must reproduce the above copyright notice, ; this list of conditions and the following disclaimer in the documentation ; and/or other materials provided with the distribution. ; * Neither the name of Intel Corporation nor the names of its contributors ; may be used to endorse or promote products derived from this software ; without specific prior written permission. ; ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ; ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ; POSSIBILITY OF SUCH DAMAGE. ; Test MTC-based TSC estimation. ; ; Variant: low MTC frequency ; ; the MTC frequency is too low for TMA to provide the full CTC ; estimate the missing bits using the next MTC ; ; opt:ptdump --time --no-tcal ; opt:ptdump --mtc-freq 12 --cpuid-0x15.eax 2 --cpuid-0x15.ebx 1 org 0x100000 bits 64 ; @pt p1: psb() ; @pt p2: psbend() ; @pt p3: tsc(0xa0018) ; @pt p4: tma(0xe020, 0x8) ; @pt p5: mtc(0xaf) ; @pt p6: mtc(0xb0) ; @pt .exp(ptdump) ;%0p1 psb ;%0p2 psbend ;%0p3 tsc a0018 tsc 00000000000a0018 ;%0p4 tma e020, 8 tsc 00000000000a0018 ;%0p5 mtc af tsc 00000000000a0800 ;%0p6 mtc b0 tsc 00000000000a1000