diff options
Diffstat (limited to 'src/VBox/Main/src-server/darwin/PerformanceDarwin.cpp')
| -rw-r--r-- | src/VBox/Main/src-server/darwin/PerformanceDarwin.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/VBox/Main/src-server/darwin/PerformanceDarwin.cpp b/src/VBox/Main/src-server/darwin/PerformanceDarwin.cpp new file mode 100644 index 00000000..335e68bf --- /dev/null +++ b/src/VBox/Main/src-server/darwin/PerformanceDarwin.cpp @@ -0,0 +1,191 @@ +/* $Id: PerformanceDarwin.cpp $ */ +/** @file + * VBox Darwin-specific Performance Classes implementation. + */ + +/* + * Copyright (C) 2008-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * SPDX-License-Identifier: GPL-3.0-only + */ + +#include <mach/mach_error.h> +#include <mach/mach_host.h> +#include <mach/mach_init.h> +#include <mach/mach_time.h> +#include <mach/vm_statistics.h> +#include <sys/sysctl.h> +#include <sys/errno.h> +#include <iprt/errcore.h> +#include <iprt/log.h> +#include <iprt/mp.h> +#include <iprt/param.h> +#include <iprt/system.h> +#include "Performance.h" + +/* The following declarations are missing in 10.4.x SDK */ +/** @todo Replace them with libproc.h and sys/proc_info.h when 10.4 is no longer supported */ +extern "C" int proc_pidinfo(int pid, int flavor, uint64_t arg, void *buffer, int buffersize); +struct proc_taskinfo { + uint64_t pti_virtual_size; /* virtual memory size (bytes) */ + uint64_t pti_resident_size; /* resident memory size (bytes) */ + uint64_t pti_total_user; /* total time */ + uint64_t pti_total_system; + uint64_t pti_threads_user; /* existing threads only */ + uint64_t pti_threads_system; + int32_t pti_policy; /* default policy for new threads */ + int32_t pti_faults; /* number of page faults */ + int32_t pti_pageins; /* number of actual pageins */ + int32_t pti_cow_faults; /* number of copy-on-write faults */ + int32_t pti_messages_sent; /* number of messages sent */ + int32_t pti_messages_received; /* number of messages received */ + int32_t pti_syscalls_mach; /* number of mach system calls */ + int32_t pti_syscalls_unix; /* number of unix system calls */ + int32_t pti_csw; /* number of context switches */ + int32_t pti_threadnum; /* number of threads in the task */ + int32_t pti_numrunning; /* number of running threads */ + int32_t pti_priority; /* task priority*/ +}; +#define PROC_PIDTASKINFO 4 + +namespace pm { + +class CollectorDarwin : public CollectorHAL +{ +public: + CollectorDarwin(); + virtual int getRawHostCpuLoad(uint64_t *user, uint64_t *kernel, uint64_t *idle); + virtual int getHostMemoryUsage(ULONG *total, ULONG *used, ULONG *available); + virtual int getRawProcessCpuLoad(RTPROCESS process, uint64_t *user, uint64_t *kernel, uint64_t *total); + virtual int getProcessMemoryUsage(RTPROCESS process, ULONG *used); +private: + ULONG totalRAM; + uint32_t nCpus; +}; + +CollectorHAL *createHAL() +{ + return new CollectorDarwin(); +} + +CollectorDarwin::CollectorDarwin() +{ + uint64_t cb; + int rc = RTSystemQueryTotalRam(&cb); + if (RT_FAILURE(rc)) + totalRAM = 0; + else + totalRAM = (ULONG)(cb / 1024); + nCpus = RTMpGetOnlineCount(); + Assert(nCpus); + if (nCpus == 0) + { + /* It is rather unsual to have no CPUs, but the show must go on. */ + nCpus = 1; + } +} + +int CollectorDarwin::getRawHostCpuLoad(uint64_t *user, uint64_t *kernel, uint64_t *idle) +{ + kern_return_t krc; + mach_msg_type_number_t count; + host_cpu_load_info_data_t info; + + count = HOST_CPU_LOAD_INFO_COUNT; + + krc = host_statistics(mach_host_self(), HOST_CPU_LOAD_INFO, (host_info_t)&info, &count); + if (krc != KERN_SUCCESS) + { + Log(("host_statistics() -> %s", mach_error_string(krc))); + return RTErrConvertFromDarwinKern(krc); + } + + *user = (uint64_t)info.cpu_ticks[CPU_STATE_USER] + + info.cpu_ticks[CPU_STATE_NICE]; + *kernel = (uint64_t)info.cpu_ticks[CPU_STATE_SYSTEM]; + *idle = (uint64_t)info.cpu_ticks[CPU_STATE_IDLE]; + return VINF_SUCCESS; +} + +int CollectorDarwin::getHostMemoryUsage(ULONG *total, ULONG *used, ULONG *available) +{ + AssertReturn(totalRAM, VERR_INTERNAL_ERROR); + uint64_t cb; + int rc = RTSystemQueryAvailableRam(&cb); + if (RT_SUCCESS(rc)) + { + *total = totalRAM; + cb /= 1024; + *available = cb < ~(ULONG)0 ? (ULONG)cb : ~(ULONG)0; + *used = *total - *available; + } + return rc; +} + +static int getProcessInfo(RTPROCESS process, struct proc_taskinfo *tinfo) +{ + Log7(("getProcessInfo() getting info for %d", process)); + int cbRet = proc_pidinfo((pid_t)process, PROC_PIDTASKINFO, 0, tinfo, sizeof(*tinfo)); + if (cbRet <= 0) + { + int iErrNo = errno; + Log(("proc_pidinfo() -> %s", strerror(iErrNo))); + return RTErrConvertFromDarwin(iErrNo); + } + if ((unsigned int)cbRet < sizeof(*tinfo)) + { + Log(("proc_pidinfo() -> too few bytes %d", cbRet)); + return VERR_INTERNAL_ERROR; + } + return VINF_SUCCESS; +} + +int CollectorDarwin::getRawProcessCpuLoad(RTPROCESS process, uint64_t *user, uint64_t *kernel, uint64_t *total) +{ + struct proc_taskinfo tinfo; + + int rc = getProcessInfo(process, &tinfo); + if (RT_SUCCESS(rc)) + { + /* + * Adjust user and kernel values so 100% is when ALL cores are fully + * utilized (see @bugref{6345}). + */ + *user = tinfo.pti_total_user / nCpus; + *kernel = tinfo.pti_total_system / nCpus; + *total = mach_absolute_time(); + } + return rc; +} + +int CollectorDarwin::getProcessMemoryUsage(RTPROCESS process, ULONG *used) +{ + struct proc_taskinfo tinfo; + + int rc = getProcessInfo(process, &tinfo); + if (RT_SUCCESS(rc)) + { + uint64_t cKbResident = tinfo.pti_resident_size / 1024; + *used = cKbResident < ~(ULONG)0 ? (ULONG)cKbResident : ~(ULONG)0; + } + return rc; +} + +} + |