libvirt/tests/nodeinfotest.c
Andrea Bolognani b7102e9031 tests: Add subcores3 nodeinfo test
This makes sure the subcore-unaware CPU counting logic is used
whenever the configuration is invalid.
2015-08-03 08:38:47 -04:00

268 lines
6.9 KiB
C

#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "testutils.h"
#include "internal.h"
#include "nodeinfopriv.h"
#include "virfile.h"
#include "virstring.h"
#define VIR_FROM_THIS VIR_FROM_NONE
#if !(defined __linux__)
int
main(void)
{
return EXIT_AM_SKIP;
}
#else
static int
linuxTestCompareFiles(char *sysfs_prefix,
const char *cpuinfofile,
virArch arch,
const char *outputfile)
{
int ret = -1;
char *actualData = NULL;
virNodeInfo nodeinfo;
FILE *cpuinfo;
cpuinfo = fopen(cpuinfofile, "r");
if (!cpuinfo) {
fprintf(stderr, "unable to open: %s : %s\n",
cpuinfofile, strerror(errno));
goto fail;
}
memset(&nodeinfo, 0, sizeof(nodeinfo));
if (linuxNodeInfoCPUPopulate(sysfs_prefix, cpuinfo, arch, &nodeinfo) < 0) {
if (virTestGetDebug()) {
virErrorPtr error = virSaveLastError();
if (error && error->code != VIR_ERR_OK)
VIR_TEST_DEBUG("\n%s\n", error->message);
virFreeError(error);
}
VIR_FORCE_FCLOSE(cpuinfo);
goto fail;
}
VIR_FORCE_FCLOSE(cpuinfo);
if (virAsprintf(&actualData,
"CPUs: %u/%u, MHz: %u, Nodes: %u, Sockets: %u, "
"Cores: %u, Threads: %u\n",
nodeinfo.cpus, VIR_NODEINFO_MAXCPUS(nodeinfo),
nodeinfo.mhz, nodeinfo.nodes, nodeinfo.sockets,
nodeinfo.cores, nodeinfo.threads) < 0)
goto fail;
if (virtTestCompareToFile(actualData, outputfile) < 0)
goto fail;
ret = 0;
fail:
VIR_FREE(actualData);
return ret;
}
# define TICK_TO_NSEC (1000ull * 1000ull * 1000ull / sysconf(_SC_CLK_TCK))
static int
linuxCPUStatsToBuf(virBufferPtr buf,
int cpu,
virNodeCPUStatsPtr param,
size_t nparams)
{
size_t i = 0;
if (cpu < 0)
virBufferAddLit(buf, "cpu:\n");
else
virBufferAsprintf(buf, "cpu%d:\n", cpu);
for (i = 0; i < nparams; i++)
virBufferAsprintf(buf, "%s: %llu\n", param[i].field,
param[i].value / TICK_TO_NSEC);
virBufferAddChar(buf, '\n');
return 0;
}
static int
linuxCPUStatsCompareFiles(const char *cpustatfile,
size_t ncpus,
const char *outfile)
{
int ret = -1;
char *actualData = NULL;
FILE *cpustat = NULL;
virNodeCPUStatsPtr params = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
size_t i;
int nparams = 0;
if (!(cpustat = fopen(cpustatfile, "r"))) {
virReportSystemError(errno, "failed to open '%s': ", cpustatfile);
goto fail;
}
if (linuxNodeGetCPUStats(NULL, 0, NULL, &nparams) < 0)
goto fail;
if (VIR_ALLOC_N(params, nparams) < 0)
goto fail;
if (linuxNodeGetCPUStats(cpustat, VIR_NODE_CPU_STATS_ALL_CPUS, params,
&nparams) < 0)
goto fail;
if (linuxCPUStatsToBuf(&buf, VIR_NODE_CPU_STATS_ALL_CPUS,
params, nparams) < 0)
goto fail;
for (i = 0; i < ncpus; i++) {
if (linuxNodeGetCPUStats(cpustat, i, params, &nparams) < 0)
goto fail;
if (linuxCPUStatsToBuf(&buf, i, params, nparams) < 0)
goto fail;
}
if (!(actualData = virBufferContentAndReset(&buf))) {
virReportOOMError();
goto fail;
}
if (virtTestCompareToFile(actualData, outfile) < 0)
goto fail;
ret = 0;
fail:
virBufferFreeAndReset(&buf);
VIR_FORCE_FCLOSE(cpustat);
VIR_FREE(actualData);
VIR_FREE(params);
return ret;
}
struct linuxTestNodeInfoData {
const char *testName;
virArch arch;
};
static int
linuxTestNodeInfo(const void *opaque)
{
int result = -1;
char *cpuinfo = NULL;
char *sysfs_prefix = NULL;
char *output = NULL;
struct linuxTestNodeInfoData *data = (struct linuxTestNodeInfoData *) opaque;
const char *archStr = virArchToString(data->arch);
if (virAsprintf(&sysfs_prefix, "%s/nodeinfodata/linux-%s",
abs_srcdir, data->testName) < 0 ||
virAsprintf(&cpuinfo, "%s/nodeinfodata/linux-%s-%s.cpuinfo",
abs_srcdir, archStr, data->testName) < 0 ||
virAsprintf(&output, "%s/nodeinfodata/linux-%s-%s.expected",
abs_srcdir, archStr, data->testName) < 0) {
goto cleanup;
}
result = linuxTestCompareFiles(sysfs_prefix, cpuinfo, data->arch, output);
cleanup:
VIR_FREE(cpuinfo);
VIR_FREE(output);
VIR_FREE(sysfs_prefix);
return result;
}
struct nodeCPUStatsData {
const char *name;
int ncpus;
};
static int
linuxTestNodeCPUStats(const void *data)
{
const struct nodeCPUStatsData *testData = data;
int result = -1;
char *cpustatfile = NULL;
char *outfile = NULL;
if (virAsprintf(&cpustatfile, "%s/nodeinfodata/linux-cpustat-%s.stat",
abs_srcdir, testData->name) < 0 ||
virAsprintf(&outfile, "%s/nodeinfodata/linux-cpustat-%s.out",
abs_srcdir, testData->name) < 0)
goto fail;
result = linuxCPUStatsCompareFiles(cpustatfile,
testData->ncpus,
outfile);
fail:
VIR_FREE(cpustatfile);
VIR_FREE(outfile);
return result;
}
static int
mymain(void)
{
int ret = 0;
size_t i;
const struct linuxTestNodeInfoData nodeData[] = {
{"test1", VIR_ARCH_X86_64},
{"test1", VIR_ARCH_PPC},
{"test2", VIR_ARCH_X86_64},
{"test3", VIR_ARCH_X86_64},
{"test4", VIR_ARCH_X86_64},
{"test5", VIR_ARCH_X86_64},
{"test6", VIR_ARCH_X86_64},
{"test7", VIR_ARCH_X86_64},
{"test8", VIR_ARCH_X86_64},
{"raspberrypi", VIR_ARCH_ARMV6L},
{"f21-mustang", VIR_ARCH_AARCH64},
{"rhelsa-3.19.0-mustang", VIR_ARCH_AARCH64},
{"deconf-cpus", VIR_ARCH_PPC64},
/* subcores, default configuration */
{"subcores1", VIR_ARCH_PPC64},
/* subcores, some of the cores are offline */
{"subcores2", VIR_ARCH_PPC64},
/* subcores, invalid configuration */
{"subcores3", VIR_ARCH_PPC64},
};
if (virInitialize() < 0)
return EXIT_FAILURE;
for (i = 0; i < ARRAY_CARDINALITY(nodeData); i++)
if (virtTestRun(nodeData[i].testName, linuxTestNodeInfo, &nodeData[i]) != 0)
ret = -1;
# define DO_TEST_CPU_STATS(name, ncpus) \
do { \
static struct nodeCPUStatsData data = { name, ncpus }; \
if (virtTestRun("CPU stats " name, linuxTestNodeCPUStats, &data) < 0) \
ret = -1; \
} while (0)
DO_TEST_CPU_STATS("24cpu", 24);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIRT_TEST_MAIN_PRELOAD(mymain, abs_builddir "/.libs/nodeinfomock.so")
#endif /* __linux__ */