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<p class="MsoNormal"><span lang="EN-US">Hi , maybe someone can help with the following topic.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">On x86_64 there is for quite some time coding in the JVM to detect the virtualization (e.g. VMWare, KVM, Xen …) .<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The info is later used in hs_err file output / jfr etc .<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">See<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><a href="https://github.com/openjdk/jdk/blob/34cdda5b8359cce33c2d4f92a41a620aea4f96e7/src/hotspot/cpu/x86/vm_version_x86.cpp#L608">https://github.com/openjdk/jdk/blob/34cdda5b8359cce33c2d4f92a41a620aea4f96e7/src/hotspot/cpu/x86/vm_version_x86.cpp#L608</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><a href="https://github.com/openjdk/jdk/blob/34cdda5b8359cce33c2d4f92a41a620aea4f96e7/src/hotspot/cpu/x86/vm_version_x86.cpp#L2032">https://github.com/openjdk/jdk/blob/34cdda5b8359cce33c2d4f92a41a620aea4f96e7/src/hotspot/cpu/x86/vm_version_x86.cpp#L2032</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> (x86_64 uses the cpuid call)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">On Linux ppc64(le) we have something similar (but this parses some /proc file system location ).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I think it would be nice to have the Virtualization detection on Linux aarch64 too .<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Is someone aware of some good ways to get the info on aarch64 ?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">On OS level , we can for example call this to get the info :<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">sudo dmidecode -s system-product-name<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">KVM Virtual Machine<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">(but calling stuff like dmidecode from the JVM is not really an option , and it also needs privileges [sudo] ) .<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">For the JVM we need something more lightweight (like cpuid call on x86_64 , or parsing a file on ppc64(le) ) .<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best regards, Matthias<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
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