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https://github.com/kubernetes-sigs/node-feature-discovery.git
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43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/*
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Copyright 2016 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#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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int ret, det=1;
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struct cpuid_out res;
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// Logic below from https://github.com/01org/intel-cmt-cat/blob/master/lib/host_cap.c
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// TODO(balajismaniam): Implement L3 CAT detection using brand string and MSR probing if
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// not detected using cpuid
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lcpuid(0x7, 0x0, &res);
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if (!(res.ebx & (1 << 15))) {
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det = 0;
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printf("NOT DETECTED");
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}
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else {
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lcpuid(0x10, 0x0, &res);
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if (!(res.ebx & (1 << 1))) {
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det = 0;
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printf("NOT DETECTED");
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}
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}
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if (det)
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printf("DETECTED");
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return 0;
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}
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