Re: [libvirt] [PATCH] test_driver: implement virDomainGetCPUStats

Signed-off-by: Ilias Stamatis <stamatis.iliass(a)gmail.com&gt; --- src/test/test_driver.c | 131 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) diff --git a/src/test/test_driver.c b/src/test/test_driver.c index fcb80c9e47..2907c043cb 100644 --- a/src/test/test_driver.c +++ b/src/test/test_driver.c @@ -3258,6 +3258,136 @@ static int testDomainSetMetadata(virDomainPtr dom, return ret; } + +static int +testDomainGetDomainTotalCpuStats(virTypedParameterPtr params, + int nparams) +{ + if (nparams == 0) /* return supported number of params */ + return 3; + + if (virTypedParameterAssign(&params[0], VIR_DOMAIN_CPU_STATS_CPUTIME, + VIR_TYPED_PARAM_ULLONG, 77102913900) < 0) + return -1; + + if (nparams > 1 && + virTypedParameterAssign(&params[1], + VIR_DOMAIN_CPU_STATS_USERTIME, + VIR_TYPED_PARAM_ULLONG, 45650000000) < 0) + return -1; + + if (nparams > 2 && + virTypedParameterAssign(&params[2], + VIR_DOMAIN_CPU_STATS_SYSTEMTIME, + VIR_TYPED_PARAM_ULLONG, 11390000000) < 0) + return -1; + + if (nparams > 3) + nparams = 3; + + return nparams; +} + + +static int +testDomainGetPercpuStats(virTypedParameterPtr params, + unsigned int nparams, + int start_cpu, + unsigned int ncpus, + int total_cpus) +{ + size_t i; + int need_cpus; + int param_idx; + int ret = -1; + + /* return the number of supported params */ + if (nparams == 0 && ncpus != 0) + return 2; + + /* return total number of cpus */ + if (ncpus == 0) { + ret = total_cpus; + goto cleanup; + } + + if (start_cpu >= total_cpus) { + virReportError(VIR_ERR_INVALID_ARG, + _("start_cpu %d larger than maximum of %d"), + start_cpu, total_cpus - 1); + goto cleanup; + } + + /* return percpu cputime in index 0 */ + param_idx = 0; + + /* number of cpus to compute */ + need_cpus = MIN(total_cpus, start_cpu + ncpus); + + for (i = 0; i < need_cpus; i++) { + if (i < start_cpu) + continue; + int idx = (i - start_cpu) * nparams + param_idx; + if (virTypedParameterAssign(&params[idx], + VIR_DOMAIN_CPU_STATS_CPUTIME, + VIR_TYPED_PARAM_ULLONG, + 202542145062 + 10 * i) < 0)