mirror of https://github.com/htop-dev/htop.git
120 lines
3.2 KiB
C
120 lines
3.2 KiB
C
/*
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htop - DarwinMachine.c
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(C) 2014 Hisham H. Muhammad
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(C) 2023 htop dev team
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Released under the GNU GPLv2+, see the COPYING file
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in the source distribution for its full text.
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*/
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#include "darwin/DarwinMachine.h"
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#include <errno.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <sys/sysctl.h>
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#include "CRT.h"
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#include "Machine.h"
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#include "darwin/Platform.h"
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#include "darwin/PlatformHelpers.h"
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#include "generic/openzfs_sysctl.h"
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#include "zfs/ZfsArcStats.h"
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static void DarwinMachine_getHostInfo(host_basic_info_data_t* p) {
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mach_msg_type_number_t info_size = HOST_BASIC_INFO_COUNT;
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if (0 != host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)p, &info_size)) {
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CRT_fatalError("Unable to retrieve host info");
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}
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}
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static void DarwinMachine_freeCPULoadInfo(processor_cpu_load_info_t* p) {
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if (!p)
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return;
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if (!*p)
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return;
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if (0 != munmap(*p, vm_page_size)) {
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CRT_fatalError("Unable to free old CPU load information");
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}
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*p = NULL;
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}
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static unsigned DarwinMachine_allocateCPULoadInfo(processor_cpu_load_info_t* p) {
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mach_msg_type_number_t info_size = sizeof(processor_cpu_load_info_t);
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unsigned cpu_count;
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// TODO Improving the accuracy of the load counts would help a lot.
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if (0 != host_processor_info(mach_host_self(), PROCESSOR_CPU_LOAD_INFO, &cpu_count, (processor_info_array_t*)p, &info_size)) {
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CRT_fatalError("Unable to retrieve CPU info");
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}
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return cpu_count;
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}
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static void DarwinMachine_getVMStats(vm_statistics_t p) {
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mach_msg_type_number_t info_size = HOST_VM_INFO_COUNT;
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if (host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)p, &info_size) != 0) {
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CRT_fatalError("Unable to retrieve VM statistics");
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}
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}
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void Machine_scan(Machine* super) {
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DarwinMachine* host = (DarwinMachine*) super;
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/* Update the global data (CPU times and VM stats) */
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DarwinMachine_freeCPULoadInfo(&host->prev_load);
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host->prev_load = host->curr_load;
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DarwinMachine_allocateCPULoadInfo(&host->curr_load);
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DarwinMachine_getVMStats(&host->vm_stats);
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openzfs_sysctl_updateArcStats(&host->zfs);
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}
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Machine* Machine_new(UsersTable* usersTable, uid_t userId) {
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DarwinMachine* this = xCalloc(1, sizeof(DarwinMachine));
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Machine* super = &this->super;
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Machine_init(super, usersTable, userId);
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/* Initialize the CPU information */
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super->activeCPUs = DarwinMachine_allocateCPULoadInfo(&this->prev_load);
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super->existingCPUs = super->activeCPUs;
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DarwinMachine_getHostInfo(&this->host_info);
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DarwinMachine_allocateCPULoadInfo(&this->curr_load);
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/* Initialize the VM statistics */
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DarwinMachine_getVMStats(&this->vm_stats);
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/* Initialize the ZFS kstats, if zfs.kext loaded */
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openzfs_sysctl_init(&this->zfs);
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openzfs_sysctl_updateArcStats(&this->zfs);
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return super;
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}
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void Machine_delete(Machine* super) {
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DarwinMachine* this = (DarwinMachine*) super;
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DarwinMachine_freeCPULoadInfo(&this->prev_load);
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Machine_done(super);
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free(this);
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}
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bool Machine_isCPUonline(const Machine* host, unsigned int id) {
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assert(id < host->existingCPUs);
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// TODO: support offline CPUs and hot swapping
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(void) host; (void) id;
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return true;
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}
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