mirror of
https://github.com/kubernetes-sigs/node-feature-discovery.git
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4f4b0867b9
intel-cmt-cat repo is located in github/intel/ now, update links accordingly, correcting also some source file names pointed from files under rdt-discovery/. Updated also ref. to intel-cmt-cat in Dockerfile. No functional changes.
26 lines
669 B
C
26 lines
669 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include "machine.h"
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int main(int argc, char *argv[]) {
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struct cpuid_out res;
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// Logic below from https://github.com/intel/intel-cmt-cat/blob/master/lib/cap.c
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lcpuid(0x7, 0x0, &res);
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if (!(res.ebx & (1 << 12))) {
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return EXIT_FAILURE;
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}
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// check for overall monitoring capability first
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lcpuid(0xf, 0x0, &res);
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if (!(res.edx & (1 << 1))) {
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return EXIT_FAILURE;
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}
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// check for more detailed capability, CMT monitoring
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lcpuid(0xf, 0x1, &res);
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if (!(res.edx & (1 << 0))) {
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return EXIT_FAILURE;
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}
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// If we are here, then CMT cache monitoring capability is available.
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return EXIT_SUCCESS;
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}
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