3c6274b8be
- when /proc/cpuinfo is read procfs retrievs information about cpus from the kernel, formats it and prints it
134 lines
3.7 KiB
C
134 lines
3.7 KiB
C
/* ProcFS - root.c - by Alen Stojanov and David van Moolenbroek */
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#include "inc.h"
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#include <machine/pci.h>
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#include "cpuinfo.h"
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FORWARD _PROTOTYPE( void root_hz, (void) );
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FORWARD _PROTOTYPE( void root_uptime, (void) );
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FORWARD _PROTOTYPE( void root_loadavg, (void) );
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FORWARD _PROTOTYPE( void root_kinfo, (void) );
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FORWARD _PROTOTYPE( void root_meminfo, (void) );
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FORWARD _PROTOTYPE( void root_pci, (void) );
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struct file root_files[] = {
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{ "hz", REG_ALL_MODE, (data_t) root_hz },
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{ "uptime", REG_ALL_MODE, (data_t) root_uptime },
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{ "loadavg", REG_ALL_MODE, (data_t) root_loadavg },
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{ "kinfo", REG_ALL_MODE, (data_t) root_kinfo },
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{ "meminfo", REG_ALL_MODE, (data_t) root_meminfo },
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{ "pci", REG_ALL_MODE, (data_t) root_pci },
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{ "cpuinfo", REG_ALL_MODE, (data_t) root_cpuinfo },
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{ NULL, 0, NULL }
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};
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/*===========================================================================*
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* root_hz *
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*===========================================================================*/
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PRIVATE void root_hz(void)
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{
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/* Print the system clock frequency.
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*/
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buf_printf("%lu\n", (long) sys_hz());
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}
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/*===========================================================================*
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* root_loadavg *
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*===========================================================================*/
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PRIVATE void root_loadavg(void)
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{
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/* Print load averages.
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*/
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double avg[3];
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if (procfs_getloadavg(avg, 3) != 3)
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return;
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buf_printf("%.2lf %.2lf %.2lf\n", avg[0], avg[1], avg[2]);
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}
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/*===========================================================================*
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* root_uptime *
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*===========================================================================*/
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PRIVATE void root_uptime(void)
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{
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/* Print the current uptime.
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*/
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clock_t ticks;
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if (getuptime(&ticks) != OK)
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return;
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buf_printf("%.2lf\n", (double) ticks / (double) sys_hz());
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}
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/*===========================================================================*
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* root_kinfo *
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*===========================================================================*/
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PRIVATE void root_kinfo(void)
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{
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/* Print general kernel information.
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*/
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struct kinfo kinfo;
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if (sys_getkinfo(&kinfo) != OK)
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return;
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buf_printf("%u %u\n", kinfo.nr_procs, kinfo.nr_tasks);
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}
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/*===========================================================================*
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* root_meminfo *
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*===========================================================================*/
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PRIVATE void root_meminfo(void)
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{
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/* Print general memory information.
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*/
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struct vm_stats_info vsi;
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if (vm_info_stats(&vsi) != OK)
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return;
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buf_printf("%u %lu %lu %lu %lu\n", vsi.vsi_pagesize,
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vsi.vsi_total, vsi.vsi_free, vsi.vsi_largest, vsi.vsi_cached);
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}
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/*===========================================================================*
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* root_pci *
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*===========================================================================*/
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PRIVATE void root_pci(void)
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{
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/* Print information about PCI devices present in the system.
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*/
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u16_t vid, did;
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u8_t bcr, scr, pifr;
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char *slot_name, *dev_name;
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int r, devind;
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static int first = TRUE;
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/* This should be taken care of behind the scenes by the PCI lib. */
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if (first) {
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pci_init();
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first = FALSE;
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}
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/* Iterate over all devices, printing info for each of them. */
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r = pci_first_dev(&devind, &vid, &did);
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while (r == 1) {
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slot_name = pci_slot_name(devind);
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dev_name = pci_dev_name(vid, did);
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bcr = pci_attr_r8(devind, PCI_BCR);
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scr = pci_attr_r8(devind, PCI_SCR);
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pifr = pci_attr_r8(devind, PCI_PIFR);
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buf_printf("%s %x/%x/%x %04X:%04X %s\n",
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slot_name ? slot_name : "-",
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bcr, scr, pifr, vid, did,
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dev_name ? dev_name : "");
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r = pci_next_dev(&devind, &vid, &did);
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}
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}
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