diff options
Diffstat (limited to 'sys/compat/linux/linux_misc.c')
| -rw-r--r-- | sys/compat/linux/linux_misc.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c index c818c20..6c270fc 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -41,6 +41,7 @@ #include <sys/mutex.h> #include <sys/namei.h> #include <sys/proc.h> +#include <sys/blist.h> #include <sys/reboot.h> #include <sys/resourcevar.h> #include <sys/signalvar.h> @@ -49,6 +50,7 @@ #include <sys/sysproto.h> #include <sys/time.h> #include <sys/unistd.h> +#include <sys/vmmeter.h> #include <sys/vnode.h> #include <sys/wait.h> @@ -57,6 +59,9 @@ #include <vm/vm_kern.h> #include <vm/vm_map.h> #include <vm/vm_extern.h> +#include <vm/vm_object.h> +#include <vm/vm_zone.h> +#include <vm/swap_pager.h> #include <machine/frame.h> #include <machine/limits.h> @@ -93,6 +98,77 @@ static unsigned int linux_to_bsd_resource[LINUX_RLIM_NLIMITS] = }; #endif /*!__alpha__*/ +struct linux_sysinfo { + long uptime; /* Seconds since boot */ + unsigned long loads[3]; /* 1, 5, and 15 minute load averages */ + unsigned long totalram; /* Total usable main memory size */ + unsigned long freeram; /* Available memory size */ + unsigned long sharedram; /* Amount of shared memory */ + unsigned long bufferram; /* Memory used by buffers */ + unsigned long totalswap; /* Total swap space size */ + unsigned long freeswap; /* swap space still available */ + unsigned short procs; /* Number of current processes */ + char _f[22]; /* Pads structure to 64 bytes */ +}; + +#ifndef __alpha__ +int +linux_sysinfo(struct proc *p, struct linux_sysinfo_args *args) +{ + struct linux_sysinfo sysinfo; + vm_object_t object; + int i; + struct timespec ts; + + /* Uptime is copied out of print_uptime() procedure in kern_shutdown.c */ + getnanouptime(&ts); + i = 0; + if (ts.tv_sec >= 86400) { + ts.tv_sec %= 86400; + i = 1; + } + if (i || ts.tv_sec >= 3600) { + ts.tv_sec %= 3600; + i = 1; + } + if (i || ts.tv_sec >= 60) { + ts.tv_sec %= 60; + i = 1; + } + sysinfo.uptime=ts.tv_sec; + + /* Use the information from the mib to get our load averages */ + for (i = 0; i < 3; i++) + sysinfo.loads[i] = averunnable.ldavg[i]; + + sysinfo.totalram = physmem * PAGE_SIZE; + sysinfo.freeram = sysinfo.totalram - cnt.v_wire_count * PAGE_SIZE; + + sysinfo.sharedram = 0; + for (object = TAILQ_FIRST(&vm_object_list); object != NULL; + object = TAILQ_NEXT(object, object_list)) + if (object->shadow_count > 1) + sysinfo.sharedram += object->resident_page_count; + + sysinfo.sharedram *= PAGE_SIZE; + + sysinfo.bufferram = 0; + + if (swapblist == NULL) { + sysinfo.totalswap= 0; + sysinfo.freeswap = 0; + } else { + sysinfo.totalswap = swapblist->bl_blocks * 1024; + sysinfo.freeswap = swapblist->bl_root->u.bmu_avail * PAGE_SIZE; + } + + sysinfo.procs = 20; /* Hack */ + + return copyout((caddr_t)&sysinfo, (caddr_t)args->info, + sizeof(struct linux_sysinfo)); +} +#endif /*!__alpha__*/ + #ifndef __alpha__ int linux_alarm(struct proc *p, struct linux_alarm_args *args) |
