b7a96f02fd
time of the idle thread. IOW Pulse now works :-) Renamed the idle thread/stack to start with 1 instead of 0 (first idle thread will be called "idle thread 1"). Minor cleanup. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13373 a95241bf-73f2-0310-859d-f6bbb57e9c96
100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/*
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* Copyright 2004, Stefano Ceccherini. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#include <OS.h>
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#include <KernelExport.h>
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#include <system_info.h>
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#include <arch/system_info.h>
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#include <vm.h>
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#include <debug.h>
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#include <port.h>
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#include <real_time_clock.h>
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#include <sem.h>
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#include <smp.h>
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#include <team.h>
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#include <thread.h>
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#include <vm_page.h>
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#include <string.h>
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const static int64 kKernelVersion = 0x1;
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const static char kKernelName[] = "kernel_" OBOS_ARCH;
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status_t
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_get_system_info(system_info *info, size_t size)
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{
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int32 i;
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if (size != sizeof(system_info))
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return B_BAD_VALUE;
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memset(info, 0, sizeof(system_info));
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info->boot_time = rtc_boot_time();
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info->cpu_count = smp_get_num_cpus();
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for (i = 0; i < info->cpu_count; i++)
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info->cpu_infos[i].active_time = thread_get_active_cpu_time(i);
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// ToDo: Add page_faults
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info->max_pages = vm_page_num_pages();
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info->used_pages = vm_page_num_pages() - vm_page_num_free_pages();
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info->used_threads = thread_used_threads();
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info->max_threads = thread_max_threads();
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info->used_teams = team_used_teams();
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info->max_teams = team_max_teams();
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info->used_ports = port_used_ports();
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info->max_ports = port_max_ports();
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info->used_sems = sem_used_sems();
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info->max_sems = sem_max_sems();
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info->kernel_version = kKernelVersion;
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strlcpy(info->kernel_name, kKernelName, B_FILE_NAME_LENGTH);
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strlcpy(info->kernel_build_date, __DATE__, B_OS_NAME_LENGTH);
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strlcpy(info->kernel_build_time, __TIME__, B_OS_NAME_LENGTH);
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// all other stuff is architecture specific
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return arch_get_system_info(info, size);
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}
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status_t
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system_info_init(struct kernel_args *args)
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{
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return arch_system_info_init(args);
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}
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// #pragma mark -
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status_t
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_user_get_system_info(system_info *userInfo, size_t size)
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{
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system_info info;
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status_t status;
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// The BeBook says get_system_info() always returns B_OK,
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// but that ain't true with invalid addresses
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if (userInfo == NULL || !IS_USER_ADDRESS(userInfo))
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return B_BAD_ADDRESS;
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status = _get_system_info(&info, size);
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if (status == B_OK) {
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if (user_memcpy(userInfo, &info, sizeof(system_info)) < B_OK)
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return B_BAD_ADDRESS;
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return B_OK;
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}
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return status;
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}
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