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181742d43f
For historical reasons data regarding NUMA configuration were split between the CPU definition and numatune. We cannot do anything about the XML still being split, but we certainly can at least store the relevant data in one place. This patch moves the NUMA stuff to the right place.
651 lines
20 KiB
C
651 lines
20 KiB
C
/*
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* cputest.c: Test the libvirtd internal CPU APIs
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*
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* Copyright (C) 2010-2014 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Jiri Denemark <jdenemar@redhat.com>
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include "internal.h"
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#include "virxml.h"
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#include "viralloc.h"
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#include "virbuffer.h"
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#include "testutils.h"
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#include "cpu_conf.h"
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#include "cpu/cpu.h"
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#include "cpu/cpu_map.h"
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#include "virstring.h"
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#define VIR_FROM_THIS VIR_FROM_CPU
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enum cpuTestBoolWithError {
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FAIL = -1,
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NO = 0,
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YES = 1
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};
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enum api {
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API_COMPARE,
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API_GUEST_DATA,
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API_BASELINE,
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API_UPDATE,
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API_HAS_FEATURE
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};
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static const char *apis[] = {
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"compare",
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"guest data",
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"baseline",
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"update",
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"has feature"
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};
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struct data {
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const char *arch;
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enum api api;
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const char *host;
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const char *name;
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const char **models;
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const char *modelsName;
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unsigned int nmodels;
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const char *preferred;
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unsigned int flags;
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int result;
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};
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static virCPUDefPtr
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cpuTestLoadXML(const char *arch, const char *name)
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{
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char *xml = NULL;
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xmlDocPtr doc = NULL;
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xmlXPathContextPtr ctxt = NULL;
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virCPUDefPtr cpu = NULL;
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if (virAsprintf(&xml, "%s/cputestdata/%s-%s.xml", abs_srcdir, arch, name) < 0)
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goto cleanup;
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if (!(doc = virXMLParseFileCtxt(xml, &ctxt)))
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goto cleanup;
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cpu = virCPUDefParseXML(ctxt->node, ctxt, VIR_CPU_TYPE_AUTO);
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cleanup:
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xmlXPathFreeContext(ctxt);
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xmlFreeDoc(doc);
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VIR_FREE(xml);
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return cpu;
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}
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static virCPUDefPtr *
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cpuTestLoadMultiXML(const char *arch,
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const char *name,
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unsigned int *count)
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{
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char *xml = NULL;
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xmlDocPtr doc = NULL;
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xmlXPathContextPtr ctxt = NULL;
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xmlNodePtr *nodes = NULL;
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virCPUDefPtr *cpus = NULL;
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int n;
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size_t i;
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if (virAsprintf(&xml, "%s/cputestdata/%s-%s.xml", abs_srcdir, arch, name) < 0)
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goto cleanup;
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if (!(doc = virXMLParseFileCtxt(xml, &ctxt)))
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goto cleanup;
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n = virXPathNodeSet("/cpuTest/cpu", ctxt, &nodes);
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if (n <= 0 || (VIR_ALLOC_N(cpus, n) < 0))
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goto cleanup;
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for (i = 0; i < n; i++) {
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ctxt->node = nodes[i];
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cpus[i] = virCPUDefParseXML(nodes[i], ctxt, VIR_CPU_TYPE_HOST);
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if (!cpus[i])
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goto cleanup_cpus;
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}
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*count = n;
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cleanup:
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VIR_FREE(xml);
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VIR_FREE(nodes);
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xmlXPathFreeContext(ctxt);
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xmlFreeDoc(doc);
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return cpus;
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cleanup_cpus:
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for (i = 0; i < n; i++)
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virCPUDefFree(cpus[i]);
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VIR_FREE(cpus);
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goto cleanup;
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}
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static int
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cpuTestCompareXML(const char *arch,
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virCPUDef *cpu,
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const char *name,
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bool updateCPU)
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{
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char *xml = NULL;
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char *expected = NULL;
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char *actual = NULL;
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int ret = -1;
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if (virAsprintf(&xml, "%s/cputestdata/%s-%s.xml",
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abs_srcdir, arch, name) < 0)
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goto cleanup;
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if (virtTestLoadFile(xml, &expected) < 0)
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goto cleanup;
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if (!(actual = virCPUDefFormat(cpu, NULL, updateCPU)))
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goto cleanup;
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if (STRNEQ(expected, actual)) {
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if (virTestGetVerbose())
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fprintf(stderr, "\nCompared to %s-%s.xml", arch, name);
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virtTestDifference(stderr, expected, actual);
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(xml);
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VIR_FREE(expected);
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VIR_FREE(actual);
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return ret;
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}
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static const char *
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cpuTestCompResStr(virCPUCompareResult result)
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{
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switch (result) {
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case VIR_CPU_COMPARE_ERROR: return "ERROR";
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case VIR_CPU_COMPARE_INCOMPATIBLE: return "INCOMPATIBLE";
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case VIR_CPU_COMPARE_IDENTICAL: return "IDENTICAL";
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case VIR_CPU_COMPARE_SUPERSET: return "SUPERSET";
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case VIR_CPU_COMPARE_LAST: break;
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}
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return "unknown";
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}
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static const char *
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cpuTestBoolWithErrorStr(enum cpuTestBoolWithError result)
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{
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switch (result) {
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case FAIL: return "FAIL";
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case NO: return "NO";
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case YES: return "YES";
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}
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return "unknown";
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}
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static int
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cpuTestCompare(const void *arg)
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{
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const struct data *data = arg;
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int ret = -1;
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virCPUDefPtr host = NULL;
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virCPUDefPtr cpu = NULL;
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virCPUCompareResult result;
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if (!(host = cpuTestLoadXML(data->arch, data->host)) ||
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!(cpu = cpuTestLoadXML(data->arch, data->name)))
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goto cleanup;
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result = cpuCompare(host, cpu, false);
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if (data->result == VIR_CPU_COMPARE_ERROR)
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virResetLastError();
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if (data->result != result) {
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if (virTestGetVerbose()) {
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fprintf(stderr, "\nExpected result %s, got %s\n",
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cpuTestCompResStr(data->result),
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cpuTestCompResStr(result));
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/* Pad to line up with test name ... in virTestRun */
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fprintf(stderr, "%74s", "... ");
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}
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goto cleanup;
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}
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ret = 0;
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cleanup:
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virCPUDefFree(host);
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virCPUDefFree(cpu);
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return ret;
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}
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static int
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cpuTestGuestData(const void *arg)
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{
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const struct data *data = arg;
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int ret = -1;
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virCPUDefPtr host = NULL;
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virCPUDefPtr cpu = NULL;
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virCPUDefPtr guest = NULL;
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virCPUDataPtr guestData = NULL;
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virCPUCompareResult cmpResult;
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virBuffer buf = VIR_BUFFER_INITIALIZER;
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char *result = NULL;
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if (!(host = cpuTestLoadXML(data->arch, data->host)) ||
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!(cpu = cpuTestLoadXML(data->arch, data->name)))
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goto cleanup;
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cmpResult = cpuGuestData(host, cpu, &guestData, NULL);
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if (cmpResult == VIR_CPU_COMPARE_ERROR ||
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cmpResult == VIR_CPU_COMPARE_INCOMPATIBLE)
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goto cleanup;
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if (VIR_ALLOC(guest) < 0)
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goto cleanup;
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guest->arch = host->arch;
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guest->type = VIR_CPU_TYPE_GUEST;
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guest->match = VIR_CPU_MATCH_EXACT;
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guest->fallback = cpu->fallback;
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if (cpuDecode(guest, guestData, data->models,
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data->nmodels, data->preferred) < 0) {
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if (data->result < 0) {
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virResetLastError();
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ret = 0;
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}
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goto cleanup;
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}
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virBufferAsprintf(&buf, "%s+%s", data->host, data->name);
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if (data->nmodels)
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virBufferAsprintf(&buf, ",%s", data->modelsName);
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if (data->preferred)
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virBufferAsprintf(&buf, ",%s", data->preferred);
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virBufferAddLit(&buf, "-result");
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if (virBufferError(&buf)) {
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virBufferFreeAndReset(&buf);
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goto cleanup;
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}
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result = virBufferContentAndReset(&buf);
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ret = cpuTestCompareXML(data->arch, guest, result, false);
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cleanup:
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VIR_FREE(result);
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cpuDataFree(guestData);
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virCPUDefFree(host);
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virCPUDefFree(cpu);
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virCPUDefFree(guest);
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return ret;
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}
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static int
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cpuTestBaseline(const void *arg)
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{
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const struct data *data = arg;
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int ret = -1;
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virCPUDefPtr *cpus = NULL;
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virCPUDefPtr baseline = NULL;
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unsigned int ncpus = 0;
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char *result = NULL;
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const char *suffix;
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size_t i;
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if (!(cpus = cpuTestLoadMultiXML(data->arch, data->name, &ncpus)))
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goto cleanup;
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baseline = cpuBaseline(cpus, ncpus, NULL, 0, data->flags);
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if (data->result < 0) {
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virResetLastError();
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if (!baseline) {
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ret = 0;
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} else if (virTestGetVerbose()) {
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fprintf(stderr, "\n%-70s... ",
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"cpuBaseline was expected to fail but it succeeded");
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}
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goto cleanup;
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}
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if (!baseline)
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goto cleanup;
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if (data->flags & VIR_CONNECT_BASELINE_CPU_EXPAND_FEATURES)
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suffix = "expanded";
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else
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suffix = "result";
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if (virAsprintf(&result, "%s-%s", data->name, suffix) < 0)
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goto cleanup;
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if (cpuTestCompareXML(data->arch, baseline, result, false) < 0)
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goto cleanup;
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for (i = 0; i < ncpus; i++) {
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virCPUCompareResult cmp;
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cmp = cpuCompare(cpus[i], baseline, false);
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if (cmp != VIR_CPU_COMPARE_SUPERSET &&
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cmp != VIR_CPU_COMPARE_IDENTICAL) {
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if (virTestGetVerbose()) {
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fprintf(stderr,
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"\nbaseline CPU is incompatible with CPU %zu\n", i);
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fprintf(stderr, "%74s", "... ");
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}
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ret = -1;
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goto cleanup;
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}
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}
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ret = 0;
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cleanup:
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if (cpus) {
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for (i = 0; i < ncpus; i++)
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virCPUDefFree(cpus[i]);
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VIR_FREE(cpus);
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}
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virCPUDefFree(baseline);
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VIR_FREE(result);
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return ret;
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}
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static int
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cpuTestUpdate(const void *arg)
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{
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const struct data *data = arg;
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int ret = -1;
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virCPUDefPtr host = NULL;
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virCPUDefPtr cpu = NULL;
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char *result = NULL;
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if (!(host = cpuTestLoadXML(data->arch, data->host)) ||
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!(cpu = cpuTestLoadXML(data->arch, data->name)))
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goto cleanup;
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if (cpuUpdate(cpu, host) < 0)
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goto cleanup;
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if (virAsprintf(&result, "%s+%s", data->host, data->name) < 0)
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goto cleanup;
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ret = cpuTestCompareXML(data->arch, cpu, result, true);
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cleanup:
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virCPUDefFree(host);
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virCPUDefFree(cpu);
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VIR_FREE(result);
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return ret;
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}
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static int
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cpuTestHasFeature(const void *arg)
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{
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const struct data *data = arg;
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int ret = -1;
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virCPUDefPtr host = NULL;
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virCPUDataPtr hostData = NULL;
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int result;
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if (!(host = cpuTestLoadXML(data->arch, data->host)))
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goto cleanup;
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if (cpuEncode(host->arch, host, NULL, &hostData,
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NULL, NULL, NULL, NULL) < 0)
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goto cleanup;
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result = cpuHasFeature(hostData, data->name);
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if (data->result == -1)
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virResetLastError();
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if (data->result != result) {
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if (virTestGetVerbose()) {
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fprintf(stderr, "\nExpected result %s, got %s\n",
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cpuTestBoolWithErrorStr(data->result),
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cpuTestBoolWithErrorStr(result));
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/* Pad to line up with test name ... in virTestRun */
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fprintf(stderr, "%74s", "... ");
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}
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goto cleanup;
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}
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ret = 0;
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cleanup:
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cpuDataFree(hostData);
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virCPUDefFree(host);
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return ret;
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}
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static int (*cpuTest[])(const void *) = {
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cpuTestCompare,
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cpuTestGuestData,
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cpuTestBaseline,
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cpuTestUpdate,
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cpuTestHasFeature
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};
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static int
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cpuTestRun(const char *name, const struct data *data)
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{
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char *label = NULL;
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char *tmp;
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if (virAsprintf(&label, "CPU %s(%s): %s", apis[data->api], data->arch, name) < 0)
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return -1;
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tmp = virtTestLogContentAndReset();
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VIR_FREE(tmp);
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if (virtTestRun(label, cpuTest[data->api], data) < 0) {
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if (virTestGetDebug()) {
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char *log;
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if ((log = virtTestLogContentAndReset()) &&
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strlen(log) > 0)
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fprintf(stderr, "\n%s\n", log);
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VIR_FREE(log);
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}
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VIR_FREE(label);
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return -1;
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}
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VIR_FREE(label);
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return 0;
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}
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static const char *model486[] = { "486" };
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static const char *nomodel[] = { "nomodel" };
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static const char *models[] = { "qemu64", "core2duo", "Nehalem" };
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static const char *ppc_models[] = { "POWER7", "POWER7_v2.1", "POWER8_v1.0"};
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|
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static int
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mymain(void)
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{
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int ret = 0;
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#define DO_TEST(arch, api, name, host, cpu, \
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models, nmodels, preferred, flags, result) \
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do { \
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static struct data data = { \
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arch, api, host, cpu, models, \
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models == NULL ? NULL : #models, \
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nmodels, preferred, flags, result \
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}; \
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if (cpuTestRun(name, &data) < 0) \
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ret = -1; \
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} while (0)
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|
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#define DO_TEST_COMPARE(arch, host, cpu, result) \
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DO_TEST(arch, API_COMPARE, \
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host "/" cpu " (" #result ")", \
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host, cpu, NULL, 0, NULL, 0, result)
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#define DO_TEST_UPDATE(arch, host, cpu, result) \
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do { \
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DO_TEST(arch, API_UPDATE, \
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cpu " on " host, \
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host, cpu, NULL, 0, NULL, 0, 0); \
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DO_TEST_COMPARE(arch, host, host "+" cpu, result); \
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} while (0)
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#define DO_TEST_BASELINE(arch, name, flags, result) \
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do { \
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const char *suffix = ""; \
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char *label; \
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if ((flags) & VIR_CONNECT_BASELINE_CPU_EXPAND_FEATURES) \
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suffix = " (expanded)"; \
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if (virAsprintf(&label, "%s%s", name, suffix) < 0) { \
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ret = -1; \
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} else { \
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DO_TEST(arch, API_BASELINE, label, NULL, "baseline-" name, \
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NULL, 0, NULL, flags, result); \
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} \
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VIR_FREE(label); \
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} while (0)
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#define DO_TEST_HASFEATURE(arch, host, feature, result) \
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DO_TEST(arch, API_HAS_FEATURE, \
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host "/" feature " (" #result ")", \
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host, feature, NULL, 0, NULL, 0, result)
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|
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#define DO_TEST_GUESTDATA(arch, host, cpu, models, preferred, result) \
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DO_TEST(arch, API_GUEST_DATA, \
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host "/" cpu " (" #models ", pref=" #preferred ")", \
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host, cpu, models, \
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models == NULL ? 0 : sizeof(models) / sizeof(char *), \
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preferred, 0, result)
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|
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/* host to host comparison */
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DO_TEST_COMPARE("x86", "host", "host", VIR_CPU_COMPARE_IDENTICAL);
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DO_TEST_COMPARE("x86", "host", "host-better", VIR_CPU_COMPARE_INCOMPATIBLE);
|
|
DO_TEST_COMPARE("x86", "host", "host-worse", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_COMPARE("x86", "host", "host-amd-fake", VIR_CPU_COMPARE_INCOMPATIBLE);
|
|
DO_TEST_COMPARE("x86", "host", "host-incomp-arch", VIR_CPU_COMPARE_INCOMPATIBLE);
|
|
DO_TEST_COMPARE("x86", "host", "host-no-vendor", VIR_CPU_COMPARE_IDENTICAL);
|
|
DO_TEST_COMPARE("x86", "host-no-vendor", "host", VIR_CPU_COMPARE_INCOMPATIBLE);
|
|
|
|
/* guest to host comparison */
|
|
DO_TEST_COMPARE("x86", "host", "bogus-model", VIR_CPU_COMPARE_ERROR);
|
|
DO_TEST_COMPARE("x86", "host", "bogus-feature", VIR_CPU_COMPARE_ERROR);
|
|
DO_TEST_COMPARE("x86", "host", "min", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_COMPARE("x86", "host", "pentium3", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_COMPARE("x86", "host", "exact", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_COMPARE("x86", "host", "exact-forbid", VIR_CPU_COMPARE_INCOMPATIBLE);
|
|
DO_TEST_COMPARE("x86", "host", "exact-forbid-extra", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_COMPARE("x86", "host", "exact-disable", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_COMPARE("x86", "host", "exact-disable2", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_COMPARE("x86", "host", "exact-disable-extra", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_COMPARE("x86", "host", "exact-require", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_COMPARE("x86", "host", "exact-require-extra", VIR_CPU_COMPARE_INCOMPATIBLE);
|
|
DO_TEST_COMPARE("x86", "host", "exact-force", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_COMPARE("x86", "host", "strict", VIR_CPU_COMPARE_INCOMPATIBLE);
|
|
DO_TEST_COMPARE("x86", "host", "strict-full", VIR_CPU_COMPARE_IDENTICAL);
|
|
DO_TEST_COMPARE("x86", "host", "strict-disable", VIR_CPU_COMPARE_IDENTICAL);
|
|
DO_TEST_COMPARE("x86", "host", "strict-force-extra", VIR_CPU_COMPARE_IDENTICAL);
|
|
DO_TEST_COMPARE("x86", "host", "guest", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_COMPARE("x86", "host", "pentium3-amd", VIR_CPU_COMPARE_INCOMPATIBLE);
|
|
DO_TEST_COMPARE("x86", "host-amd", "pentium3-amd", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_COMPARE("x86", "host-worse", "nehalem-force", VIR_CPU_COMPARE_IDENTICAL);
|
|
DO_TEST_COMPARE("x86", "host-SandyBridge", "exact-force-Haswell", VIR_CPU_COMPARE_IDENTICAL);
|
|
|
|
DO_TEST_COMPARE("ppc64", "host", "strict", VIR_CPU_COMPARE_IDENTICAL);
|
|
DO_TEST_COMPARE("ppc64", "host", "exact", VIR_CPU_COMPARE_INCOMPATIBLE);
|
|
|
|
/* guest updates for migration
|
|
* automatically compares host CPU with the result */
|
|
DO_TEST_UPDATE("x86", "host", "min", VIR_CPU_COMPARE_IDENTICAL);
|
|
DO_TEST_UPDATE("x86", "host", "pentium3", VIR_CPU_COMPARE_IDENTICAL);
|
|
DO_TEST_UPDATE("x86", "host", "guest", VIR_CPU_COMPARE_SUPERSET);
|
|
DO_TEST_UPDATE("x86", "host", "host-model", VIR_CPU_COMPARE_IDENTICAL);
|
|
DO_TEST_UPDATE("x86", "host", "host-model-nofallback", VIR_CPU_COMPARE_IDENTICAL);
|
|
DO_TEST_UPDATE("x86", "host", "host-passthrough", VIR_CPU_COMPARE_IDENTICAL);
|
|
DO_TEST_UPDATE("x86", "host-invtsc", "host-model", VIR_CPU_COMPARE_SUPERSET);
|
|
|
|
/* computing baseline CPUs */
|
|
DO_TEST_BASELINE("x86", "incompatible-vendors", 0, -1);
|
|
DO_TEST_BASELINE("x86", "no-vendor", 0, 0);
|
|
DO_TEST_BASELINE("x86", "some-vendors", 0, 0);
|
|
DO_TEST_BASELINE("x86", "1", 0, 0);
|
|
DO_TEST_BASELINE("x86", "2", 0, 0);
|
|
DO_TEST_BASELINE("x86", "3", 0, 0);
|
|
DO_TEST_BASELINE("x86", "3", VIR_CONNECT_BASELINE_CPU_EXPAND_FEATURES, 0);
|
|
DO_TEST_BASELINE("x86", "4", 0, 0);
|
|
DO_TEST_BASELINE("x86", "4", VIR_CONNECT_BASELINE_CPU_EXPAND_FEATURES, 0);
|
|
DO_TEST_BASELINE("x86", "5", 0, 0);
|
|
DO_TEST_BASELINE("x86", "5", VIR_CONNECT_BASELINE_CPU_EXPAND_FEATURES, 0);
|
|
|
|
DO_TEST_BASELINE("ppc64", "incompatible-vendors", 0, -1);
|
|
DO_TEST_BASELINE("ppc64", "no-vendor", 0, 0);
|
|
/* CPU features */
|
|
DO_TEST_HASFEATURE("x86", "host", "vmx", YES);
|
|
DO_TEST_HASFEATURE("x86", "host", "lm", YES);
|
|
DO_TEST_HASFEATURE("x86", "host", "sse4.1", YES);
|
|
DO_TEST_HASFEATURE("x86", "host", "3dnowext", NO);
|
|
DO_TEST_HASFEATURE("x86", "host", "skinit", NO);
|
|
DO_TEST_HASFEATURE("x86", "host", "foo", FAIL);
|
|
|
|
/* computing guest data and decoding the data into a guest CPU XML */
|
|
DO_TEST_GUESTDATA("x86", "host", "guest", NULL, NULL, 0);
|
|
DO_TEST_GUESTDATA("x86", "host-better", "pentium3", NULL, NULL, 0);
|
|
DO_TEST_GUESTDATA("x86", "host-better", "pentium3", NULL, "pentium3", 0);
|
|
DO_TEST_GUESTDATA("x86", "host-better", "pentium3", NULL, "core2duo", 0);
|
|
DO_TEST_GUESTDATA("x86", "host-worse", "guest", NULL, NULL, 0);
|
|
DO_TEST_GUESTDATA("x86", "host", "strict-force-extra", NULL, NULL, 0);
|
|
DO_TEST_GUESTDATA("x86", "host", "nehalem-force", NULL, NULL, 0);
|
|
DO_TEST_GUESTDATA("x86", "host", "guest", model486, NULL, 0);
|
|
DO_TEST_GUESTDATA("x86", "host", "guest", models, NULL, 0);
|
|
DO_TEST_GUESTDATA("x86", "host", "guest", models, "Penryn", 0);
|
|
DO_TEST_GUESTDATA("x86", "host", "guest", models, "qemu64", 0);
|
|
DO_TEST_GUESTDATA("x86", "host", "guest", nomodel, NULL, -1);
|
|
DO_TEST_GUESTDATA("x86", "host", "guest-nofallback", models, "Penryn", -1);
|
|
DO_TEST_GUESTDATA("x86", "host", "host+host-model", models, "Penryn", 0);
|
|
DO_TEST_GUESTDATA("x86", "host", "host+host-model-nofallback",
|
|
models, "Penryn", -1);
|
|
|
|
DO_TEST_GUESTDATA("ppc64", "host", "guest", ppc_models, NULL, 0);
|
|
DO_TEST_GUESTDATA("ppc64", "host", "guest-nofallback", ppc_models, "POWER7_v2.1", -1);
|
|
|
|
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
|
|
}
|
|
|
|
VIRT_TEST_MAIN(mymain)
|