mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-11-03 20:01:16 +00:00
310 lines
8.7 KiB
C
310 lines
8.7 KiB
C
#include <config.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include "testutils.h"
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#include "internal.h"
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#define LIBVIRT_VIRHOSTCPUPRIV_H_ALLOW
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#include "virhostcpupriv.h"
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#include "virfile.h"
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#include "virstring.h"
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#include "virfilewrapper.h"
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#define VIR_FROM_THIS VIR_FROM_NONE
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#define SYSFS_SYSTEM_PATH "/sys/devices/system"
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#if !(defined __linux__)
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int
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main(void)
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{
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return EXIT_AM_SKIP;
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}
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#else
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static int
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linuxTestCompareFiles(const char *cpuinfofile,
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virArch arch,
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const char *outputfile)
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{
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g_autofree char *actualData = NULL;
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virNodeInfo nodeinfo;
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g_autoptr(FILE) cpuinfo = NULL;
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cpuinfo = fopen(cpuinfofile, "r");
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if (!cpuinfo) {
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fprintf(stderr, "unable to open: %s : %s\n",
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cpuinfofile, g_strerror(errno));
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return -1;
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}
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memset(&nodeinfo, 0, sizeof(nodeinfo));
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if (virHostCPUGetInfoPopulateLinux(cpuinfo, arch,
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&nodeinfo.cpus, &nodeinfo.mhz,
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&nodeinfo.nodes, &nodeinfo.sockets,
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&nodeinfo.cores, &nodeinfo.threads) < 0) {
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if (virTestGetDebug()) {
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if (virGetLastErrorCode())
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VIR_TEST_DEBUG("\n%s", virGetLastErrorMessage());
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}
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return -1;
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}
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actualData = g_strdup_printf("CPUs: %u/%u, MHz: %u, Nodes: %u, Sockets: %u, "
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"Cores: %u, Threads: %u\n",
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nodeinfo.cpus, VIR_NODEINFO_MAXCPUS(nodeinfo),
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nodeinfo.mhz, nodeinfo.nodes, nodeinfo.sockets,
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nodeinfo.cores, nodeinfo.threads);
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if (virTestCompareToFile(actualData, outputfile) < 0)
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return -1;
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return 0;
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}
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static int
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linuxCPUStatsToBuf(virBuffer *buf,
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int cpu,
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virNodeCPUStatsPtr param,
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size_t nparams)
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{
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size_t i = 0;
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unsigned long long tick_to_nsec;
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long long sc_clk_tck;
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if ((sc_clk_tck = sysconf(_SC_CLK_TCK)) < 0) {
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fprintf(stderr, "sysconf(_SC_CLK_TCK) fails : %s\n",
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g_strerror(errno));
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return -1;
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}
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tick_to_nsec = (1000ull * 1000ull * 1000ull) / sc_clk_tck;
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if (cpu < 0)
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virBufferAddLit(buf, "cpu:\n");
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else
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virBufferAsprintf(buf, "cpu%d:\n", cpu);
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for (i = 0; i < nparams; i++)
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virBufferAsprintf(buf, "%s: %llu\n", param[i].field,
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param[i].value / tick_to_nsec);
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virBufferAddChar(buf, '\n');
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return 0;
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}
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static int
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linuxCPUStatsCompareFiles(const char *cpustatfile,
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size_t ncpus,
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const char *outfile)
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{
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int ret = -1;
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g_autofree char *actualData = NULL;
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g_autoptr(FILE) cpustat = NULL;
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virNodeCPUStatsPtr params = NULL;
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g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
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size_t i;
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int nparams = 0;
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if (!(cpustat = fopen(cpustatfile, "r"))) {
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virReportSystemError(errno, "failed to open '%s': ", cpustatfile);
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goto fail;
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}
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if (virHostCPUGetStatsLinux(NULL, 0, NULL, &nparams) < 0)
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goto fail;
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params = g_new0(virNodeCPUStats, nparams);
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if (virHostCPUGetStatsLinux(cpustat, VIR_NODE_CPU_STATS_ALL_CPUS, params,
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&nparams) < 0)
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goto fail;
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if (linuxCPUStatsToBuf(&buf, VIR_NODE_CPU_STATS_ALL_CPUS,
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params, nparams) < 0)
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goto fail;
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for (i = 0; i < ncpus; i++) {
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if (virHostCPUGetStatsLinux(cpustat, i, params, &nparams) < 0)
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goto fail;
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if (linuxCPUStatsToBuf(&buf, i, params, nparams) < 0)
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goto fail;
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}
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actualData = virBufferContentAndReset(&buf);
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if (virTestCompareToFile(actualData, outfile) < 0)
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goto fail;
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ret = 0;
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fail:
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VIR_FREE(params);
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return ret;
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}
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struct linuxTestHostCPUData {
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const char *testName;
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virArch arch;
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};
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static int
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linuxTestHostCPU(const void *opaque)
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{
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int result = -1;
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g_autofree char *cpuinfo = NULL;
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g_autofree char *sysfs_prefix = NULL;
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g_autofree char *output = NULL;
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struct linuxTestHostCPUData *data = (struct linuxTestHostCPUData *) opaque;
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const char *archStr = virArchToString(data->arch);
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sysfs_prefix = g_strdup_printf("%s/virhostcpudata/linux-%s",
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abs_srcdir, data->testName);
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cpuinfo = g_strdup_printf("%s/virhostcpudata/linux-%s-%s.cpuinfo",
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abs_srcdir, archStr, data->testName);
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output = g_strdup_printf("%s/virhostcpudata/linux-%s-%s.expected",
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abs_srcdir, archStr, data->testName);
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virFileWrapperAddPrefix(SYSFS_SYSTEM_PATH, sysfs_prefix);
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result = linuxTestCompareFiles(cpuinfo, data->arch, output);
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virFileWrapperRemovePrefix(SYSFS_SYSTEM_PATH);
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return result;
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}
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static int
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hostCPUSignature(const void *opaque)
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{
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const struct linuxTestHostCPUData *data = opaque;
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const char *arch = virArchToString(data->arch);
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g_autofree char *cpuinfo = NULL;
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g_autofree char *expected = NULL;
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g_autofree char *signature = NULL;
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g_autoptr(FILE) f = NULL;
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cpuinfo = g_strdup_printf("%s/virhostcpudata/linux-%s-%s.cpuinfo",
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abs_srcdir, arch, data->testName);
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expected = g_strdup_printf("%s/virhostcpudata/linux-%s-%s.signature",
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abs_srcdir, arch, data->testName);
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if (!(f = fopen(cpuinfo, "r"))) {
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virReportSystemError(errno,
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"Failed to open cpuinfo file '%s'", cpuinfo);
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return -1;
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}
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if (virHostCPUReadSignature(data->arch, f, &signature) < 0)
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return -1;
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if (!signature && !virFileExists(expected))
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return 0;
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return virTestCompareToFile(signature, expected);
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}
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struct nodeCPUStatsData {
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const char *name;
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int ncpus;
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bool shouldFail;
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};
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static int
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linuxTestNodeCPUStats(const void *data)
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{
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const struct nodeCPUStatsData *testData = data;
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int result = -1;
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g_autofree char *cpustatfile = NULL;
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g_autofree g_autofree char *outfile = NULL;
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cpustatfile = g_strdup_printf("%s/virhostcpudata/linux-cpustat-%s.stat",
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abs_srcdir, testData->name);
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outfile = g_strdup_printf("%s/virhostcpudata/linux-cpustat-%s.out",
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abs_srcdir, testData->name);
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result = linuxCPUStatsCompareFiles(cpustatfile,
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testData->ncpus,
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outfile);
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if (result < 0) {
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if (testData->shouldFail) {
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/* Expected error */
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result = 0;
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}
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} else {
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if (testData->shouldFail) {
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fprintf(stderr, "Expected a failure, got success");
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result = -1;
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}
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}
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return result;
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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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size_t i;
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const struct linuxTestHostCPUData nodeData[] = {
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{"test1", VIR_ARCH_X86_64},
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{"test1", VIR_ARCH_PPC},
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{"test2", VIR_ARCH_X86_64},
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{"test3", VIR_ARCH_X86_64},
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{"test4", VIR_ARCH_X86_64},
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{"test5", VIR_ARCH_X86_64},
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{"test6", VIR_ARCH_X86_64},
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{"test7", VIR_ARCH_X86_64},
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{"test8", VIR_ARCH_X86_64},
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{"raspberrypi", VIR_ARCH_ARMV6L},
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{"f21-mustang", VIR_ARCH_AARCH64},
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{"rhelsa-3.19.0-mustang", VIR_ARCH_AARCH64},
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{"rhel74-moonshot", VIR_ARCH_AARCH64},
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{"high-ids", VIR_ARCH_AARCH64},
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{"deconf-cpus", VIR_ARCH_PPC64},
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/* subcores, default configuration */
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{"subcores1", VIR_ARCH_PPC64},
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/* subcores, some of the cores are offline */
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{"subcores2", VIR_ARCH_PPC64},
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/* subcores, invalid configuration */
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{"subcores3", VIR_ARCH_PPC64},
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{"with-frequency", VIR_ARCH_S390X},
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{"with-die", VIR_ARCH_X86_64},
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};
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if (virInitialize() < 0)
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return EXIT_FAILURE;
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for (i = 0; i < G_N_ELEMENTS(nodeData); i++) {
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g_autofree char *sigTest = NULL;
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if (virTestRun(nodeData[i].testName, linuxTestHostCPU, &nodeData[i]) != 0)
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ret = -1;
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sigTest = g_strdup_printf("%s CPU signature", nodeData[i].testName);
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if (virTestRun(sigTest, hostCPUSignature, &nodeData[i]) != 0)
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ret = -1;
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}
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# define DO_TEST_CPU_STATS(name, ncpus, shouldFail) \
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do { \
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static struct nodeCPUStatsData data = { name, ncpus, shouldFail}; \
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if (virTestRun("CPU stats " name, linuxTestNodeCPUStats, &data) < 0) \
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ret = -1; \
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} while (0)
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DO_TEST_CPU_STATS("24cpu", 24, false);
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DO_TEST_CPU_STATS("24cpu", 25, true);
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return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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VIR_TEST_MAIN_PRELOAD(mymain, VIR_TEST_MOCK("virhostcpu"))
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#endif /* __linux__ */
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