e6dc7903e4
to the private VM types are including vm_types.h now. * Removed vm_page, vm_area, vm_cache, and vm_address_space typedefs; it's cleaner this way, and the actual types are only used in C++ files now, anyway. * And that caused changes in many files... * Made commpage.h self-containing. * Minor cleanup. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22329 a95241bf-73f2-0310-859d-f6bbb57e9c96
149 lines
3.4 KiB
C
149 lines
3.4 KiB
C
/*
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* Copyright (c) 2004-2007, Haiku, Inc.
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* Distributed under the terms of the MIT license.
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*
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* Authors:
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* Stefano Ceccherini
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* Axel Dörfler, axeld@pinc-software.de
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*/
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#include <system_info.h>
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#include <OS.h>
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#include <KernelExport.h>
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#include <cpu.h>
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#include <debug.h>
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#include <kernel.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.h>
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#include <vm_page.h>
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#include <arch/system_info.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_" HAIKU_ARCH;
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// Haiku SVN revision. Will be set when copying the kernel to the image.
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// Lives in a separate section so that it can easily be found.
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static uint32 sHaikuRevision __attribute__((section("_haiku_revision")));
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static uint32 sHaikuRevision = 0;
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static int
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dump_info(int argc, char **argv)
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{
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int32 i;
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kprintf("kernel build: %s %s\n\n", __DATE__, __TIME__);
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kprintf("cpu count: %ld, active times:\n", smp_get_num_cpus());
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for (i = 0; i < smp_get_num_cpus(); i++)
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kprintf(" [%ld] %Ld\n", i + 1, cpu_get_active_time(i));
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// ToDo: Add page_faults
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kprintf("pages:\t\t%ld (%ld max)\n", vm_page_num_pages() - vm_page_num_free_pages(),
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vm_page_num_pages());
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kprintf("sems:\t\t%ld (%ld max)\n", sem_used_sems(), sem_max_sems());
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kprintf("ports:\t\t%ld (%ld max)\n", port_used_ports(), port_max_ports());
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kprintf("threads:\t%ld (%ld max)\n", thread_used_threads(), thread_max_threads());
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kprintf("teams:\t\t%ld (%ld max)\n", team_used_teams(), team_max_teams());
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return 0;
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}
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// #pragma mark -
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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 = cpu_get_active_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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add_debugger_command("info", &dump_info, "System info");
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return arch_system_info_init(args);
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}
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uint32
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get_haiku_revision(void)
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{
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return sHaikuRevision;
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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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