freebsd_amp_hwpstate/sys/compat/linprocfs/linprocfs_misc.c

553 lines
16 KiB
C

/*
* Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
* Copyright (c) 1999 Pierre Beyssac
* Copyright (c) 1993 Jan-Simon Pendry
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)procfs_status.c 8.4 (Berkeley) 6/15/94
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/blist.h>
#include <sys/dkstat.h>
#include <sys/jail.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/resourcevar.h>
#include <sys/sbuf.h>
#include <sys/systm.h>
#include <sys/tty.h>
#include <sys/vnode.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <vm/vm_map.h>
#include <vm/vm_param.h>
#include <vm/vm_object.h>
#include <vm/vm_zone.h>
#include <vm/swap_pager.h>
#include <sys/exec.h>
#include <sys/user.h>
#include <sys/vmmeter.h>
#include <machine/clock.h>
#include <machine/cputypes.h>
#include <machine/md_var.h>
#include <compat/linux/linux_mib.h>
#include <compat/linprocfs/linprocfs.h>
/*
* Various conversion macros
*/
#define T2J(x) (((x) * 100) / (stathz ? stathz : hz)) /* ticks to jiffies */
#define T2S(x) ((x) / (stathz ? stathz : hz)) /* ticks to seconds */
#define B2K(x) ((x) >> 10) /* bytes to kbytes */
#define B2P(x) ((x) >> PAGE_SHIFT) /* bytes to pages */
#define P2B(x) ((x) << PAGE_SHIFT) /* pages to bytes */
#define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* pages to kbytes */
int
linprocfs_domeminfo(curp, p, pfs, uio)
struct proc *curp;
struct proc *p;
struct pfsnode *pfs;
struct uio *uio;
{
struct sbuf sb;
char *ps;
int r, xlen;
unsigned long memtotal; /* total memory in bytes */
unsigned long memused; /* used memory in bytes */
unsigned long memfree; /* free memory in bytes */
unsigned long memshared; /* shared memory ??? */
unsigned long buffers, cached; /* buffer / cache memory ??? */
unsigned long swaptotal; /* total swap space in bytes */
unsigned long swapused; /* used swap space in bytes */
unsigned long swapfree; /* free swap space in bytes */
vm_object_t object;
if (uio->uio_rw != UIO_READ)
return (EOPNOTSUPP);
memtotal = physmem * PAGE_SIZE;
/*
* The correct thing here would be:
*
memfree = cnt.v_free_count * PAGE_SIZE;
memused = memtotal - memfree;
*
* but it might mislead linux binaries into thinking there
* is very little memory left, so we cheat and tell them that
* all memory that isn't wired down is free.
*/
memused = cnt.v_wire_count * PAGE_SIZE;
memfree = memtotal - memused;
if (swapblist == NULL) {
swaptotal = 0;
swapfree = 0;
} else {
swaptotal = swapblist->bl_blocks * 1024; /* XXX why 1024? */
swapfree = swapblist->bl_root->u.bmu_avail * PAGE_SIZE;
}
swapused = swaptotal - swapfree;
memshared = 0;
TAILQ_FOREACH(object, &vm_object_list, object_list)
if (object->shadow_count > 1)
memshared += object->resident_page_count;
memshared *= PAGE_SIZE;
/*
* We'd love to be able to write:
*
buffers = bufspace;
*
* but bufspace is internal to vfs_bio.c and we don't feel
* like unstaticizing it just for linprocfs's sake.
*/
buffers = 0;
cached = cnt.v_cache_count * PAGE_SIZE;
sbuf_new(&sb, NULL, 512, 0);
sbuf_printf(&sb,
" total: used: free: shared: buffers: cached:\n"
"Mem: %lu %lu %lu %lu %lu %lu\n"
"Swap: %lu %lu %lu\n"
"MemTotal: %9lu kB\n"
"MemFree: %9lu kB\n"
"MemShared:%9lu kB\n"
"Buffers: %9lu kB\n"
"Cached: %9lu kB\n"
"SwapTotal:%9lu kB\n"
"SwapFree: %9lu kB\n",
memtotal, memused, memfree, memshared, buffers, cached,
swaptotal, swapused, swapfree,
B2K(memtotal), B2K(memfree),
B2K(memshared), B2K(buffers), B2K(cached),
B2K(swaptotal), B2K(swapfree));
sbuf_finish(&sb);
ps = sbuf_data(&sb) + uio->uio_offset;
xlen = sbuf_len(&sb) - uio->uio_offset;
xlen = imin(xlen, uio->uio_resid);
r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
sbuf_delete(&sb);
return r;
}
int
linprocfs_docpuinfo(curp, p, pfs, uio)
struct proc *curp;
struct proc *p;
struct pfsnode *pfs;
struct uio *uio;
{
struct sbuf sb;
char *ps;
int r, xlen;
int class, i, fqmhz, fqkhz;
/*
* We default the flags to include all non-conflicting flags,
* and the Intel versions of conflicting flags.
*/
static char *flags[] = {
"fpu", "vme", "de", "pse", "tsc",
"msr", "pae", "mce", "cx8", "apic",
"sep", "sep", "mtrr", "pge", "mca",
"cmov", "pat", "pse36", "pn", "b19",
"b20", "b21", "mmxext", "mmx", "fxsr",
"xmm", "b26", "b27", "b28", "b29",
"3dnowext", "3dnow"
};
if (uio->uio_rw != UIO_READ)
return (EOPNOTSUPP);
switch (cpu_class) {
case CPUCLASS_286:
class = 2;
break;
case CPUCLASS_386:
class = 3;
break;
case CPUCLASS_486:
class = 4;
break;
case CPUCLASS_586:
class = 5;
break;
case CPUCLASS_686:
class = 6;
break;
default:
class = 0;
break;
}
sbuf_new(&sb, NULL, 512, 0);
sbuf_printf(&sb,
"processor\t: %d\n"
"vendor_id\t: %.20s\n"
"cpu family\t: %d\n"
"model\t\t: %d\n"
"stepping\t: %d\n",
0, cpu_vendor, class, cpu, cpu_id & 0xf);
sbuf_cat(&sb,
"flags\t\t:");
if (!strcmp(cpu_vendor, "AuthenticAMD") && (class < 6)) {
flags[16] = "fcmov";
} else if (!strcmp(cpu_vendor, "CyrixInstead")) {
flags[24] = "cxmmx";
}
for (i = 0; i < 32; i++)
if (cpu_feature & (1 << i))
sbuf_printf(&sb, " %s", flags[i]);
sbuf_cat(&sb, "\n");
if (class >= 5) {
fqmhz = (tsc_freq + 4999) / 1000000;
fqkhz = ((tsc_freq + 4999) / 10000) % 100;
sbuf_printf(&sb,
"cpu MHz\t\t: %d.%02d\n"
"bogomips\t: %d.%02d\n",
fqmhz, fqkhz, fqmhz, fqkhz);
}
sbuf_finish(&sb);
ps = sbuf_data(&sb) + uio->uio_offset;
xlen = sbuf_len(&sb) - uio->uio_offset;
xlen = imin(xlen, uio->uio_resid);
r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
sbuf_delete(&sb);
return r;
}
int
linprocfs_dostat(curp, p, pfs, uio)
struct proc *curp;
struct proc *p;
struct pfsnode *pfs;
struct uio *uio;
{
struct sbuf sb;
char *ps;
int r, xlen;
sbuf_new(&sb, NULL, 512, 0);
sbuf_printf(&sb,
"cpu %ld %ld %ld %ld\n"
"disk 0 0 0 0\n"
"page %u %u\n"
"swap %u %u\n"
"intr %u\n"
"ctxt %u\n"
"btime %ld\n",
T2J(cp_time[CP_USER]),
T2J(cp_time[CP_NICE]),
T2J(cp_time[CP_SYS] /*+ cp_time[CP_INTR]*/),
T2J(cp_time[CP_IDLE]),
cnt.v_vnodepgsin,
cnt.v_vnodepgsout,
cnt.v_swappgsin,
cnt.v_swappgsout,
cnt.v_intr,
cnt.v_swtch,
boottime.tv_sec);
sbuf_finish(&sb);
ps = sbuf_data(&sb) + uio->uio_offset;
xlen = sbuf_len(&sb) - uio->uio_offset;
xlen = imin(xlen, uio->uio_resid);
r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
sbuf_delete(&sb);
return r;
}
int
linprocfs_douptime(curp, p, pfs, uio)
struct proc *curp;
struct proc *p;
struct pfsnode *pfs;
struct uio *uio;
{
struct sbuf sb;
char *ps;
int r, xlen;
struct timeval tv;
getmicrouptime(&tv);
sbuf_new(&sb, NULL, 64, 0);
sbuf_printf(&sb, "%ld.%02ld %ld.%02ld\n",
tv.tv_sec, tv.tv_usec / 10000,
T2S(cp_time[CP_IDLE]), T2J(cp_time[CP_IDLE]) % 100);
sbuf_finish(&sb);
ps = sbuf_data(&sb) + uio->uio_offset;
xlen = sbuf_len(&sb) - uio->uio_offset;
xlen = imin(xlen, uio->uio_resid);
r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
sbuf_delete(&sb);
return r;
}
int
linprocfs_doversion(curp, p, pfs, uio)
struct proc *curp;
struct proc *p;
struct pfsnode *pfs;
struct uio *uio;
{
struct sbuf sb;
char *ps;
int r, xlen;
sbuf_new(&sb, NULL, 128, 0);
sbuf_printf(&sb,
"%s version %s (des@freebsd.org) (gcc version " __VERSION__ ")"
" #4 Sun Dec 18 04:30:00 CET 1977\n",
linux_get_osname(curp),
linux_get_osrelease(curp));
sbuf_finish(&sb);
ps = sbuf_data(&sb) + uio->uio_offset;
xlen = sbuf_len(&sb) - uio->uio_offset;
xlen = imin(xlen, uio->uio_resid);
r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
sbuf_delete(&sb);
return r;
}
int
linprocfs_doprocstat(curp, p, pfs, uio)
struct proc *curp;
struct proc *p;
struct pfsnode *pfs;
struct uio *uio;
{
struct kinfo_proc kp;
struct sbuf sb;
char *ps;
int r, xlen;
pid_t ppid;
PROCTREE_LOCK(PT_SHARED);
ppid = p->p_pptr ? p->p_pptr->p_pid : 0;
PROCTREE_LOCK(PT_RELEASE);
fill_kinfo_proc(p, &kp);
sbuf_new(&sb, NULL, 1024, 0);
sbuf_printf(&sb, "%d", p->p_pid);
#define PS_ADD(name, fmt, arg) sbuf_printf(&sb, " " fmt, arg)
PS_ADD("comm", "(%s)", p->p_comm);
PS_ADD("statr", "%c", '0'); /* XXX */
PS_ADD("ppid", "%d", ppid);
PS_ADD("pgrp", "%d", p->p_pgid);
PS_ADD("session", "%d", p->p_session->s_sid);
PS_ADD("tty", "%d", 0); /* XXX */
PS_ADD("tpgid", "%d", 0); /* XXX */
PS_ADD("flags", "%u", 0); /* XXX */
PS_ADD("minflt", "%u", 0); /* XXX */
PS_ADD("cminflt", "%u", 0); /* XXX */
PS_ADD("majflt", "%u", 0); /* XXX */
PS_ADD("cminflt", "%u", 0); /* XXX */
PS_ADD("utime", "%d", 0); /* XXX */
PS_ADD("stime", "%d", 0); /* XXX */
PS_ADD("cutime", "%d", 0); /* XXX */
PS_ADD("cstime", "%d", 0); /* XXX */
PS_ADD("counter", "%d", 0); /* XXX */
PS_ADD("priority", "%d", 0); /* XXX */
PS_ADD("timeout", "%u", 0); /* XXX */
PS_ADD("itrealvalue", "%u", 0); /* XXX */
PS_ADD("starttime", "%d", 0); /* XXX */
PS_ADD("vsize", "%u", kp.ki_size);
PS_ADD("rss", "%u", P2K(kp.ki_rssize));
PS_ADD("rlim", "%u", 0); /* XXX */
PS_ADD("startcode", "%u", (unsigned)0);
PS_ADD("endcode", "%u", 0); /* XXX */
PS_ADD("startstack", "%u", 0); /* XXX */
PS_ADD("esp", "%u", 0); /* XXX */
PS_ADD("eip", "%u", 0); /* XXX */
PS_ADD("signal", "%d", 0); /* XXX */
PS_ADD("blocked", "%d", 0); /* XXX */
PS_ADD("sigignore", "%d", 0); /* XXX */
PS_ADD("sigcatch", "%d", 0); /* XXX */
PS_ADD("wchan", "%u", 0); /* XXX */
PS_ADD("nswap", "%lu", (long unsigned)0); /* XXX */
PS_ADD("cnswap", "%lu", (long unsigned)0); /* XXX */
PS_ADD("exitsignal", "%d", 0); /* XXX */
PS_ADD("processor", "%d", 0); /* XXX */
#undef PS_ADD
sbuf_putc(&sb, '\n');
sbuf_finish(&sb);
ps = sbuf_data(&sb) + uio->uio_offset;
xlen = sbuf_len(&sb) - uio->uio_offset;
xlen = imin(xlen, uio->uio_resid);
r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
sbuf_delete(&sb);
return r;
}
/*
* Map process state to descriptive letter. Note that this does not
* quite correspond to what Linux outputs, but it's close enough.
*/
static char *state_str[] = {
"? (unknown)",
"I (idle)",
"R (running)",
"S (sleeping)",
"T (stopped)",
"Z (zombie)",
"W (waiting)",
"M (mutex)"
};
int
linprocfs_doprocstatus(curp, p, pfs, uio)
struct proc *curp;
struct proc *p;
struct pfsnode *pfs;
struct uio *uio;
{
struct kinfo_proc kp;
struct sbuf sb;
char *ps;
char *state;
int i, r, xlen;
segsz_t lsize;
pid_t ppid;
sbuf_new(&sb, NULL, 1024, 0);
mtx_lock_spin(&sched_lock);
if (p->p_stat > sizeof state_str / sizeof *state_str)
state = state_str[0];
else
state = state_str[(int)p->p_stat];
mtx_unlock_spin(&sched_lock);
PROCTREE_LOCK(PT_SHARED);
ppid = p->p_pptr ? p->p_pptr->p_pid : 0;
PROCTREE_LOCK(PT_RELEASE);
fill_kinfo_proc(p, &kp);
sbuf_printf(&sb, "Name:\t%s\n", p->p_comm); /* XXX escape */
sbuf_printf(&sb, "State:\t%s\n", state);
/*
* Credentials
*/
sbuf_printf(&sb, "Pid:\t%d\n", p->p_pid);
sbuf_printf(&sb, "PPid:\t%d\n", ppid);
PROC_LOCK(p);
sbuf_printf(&sb, "Uid:\t%d %d %d %d\n", p->p_cred->p_ruid,
p->p_ucred->cr_uid,
p->p_cred->p_svuid,
/* FreeBSD doesn't have fsuid */
p->p_ucred->cr_uid);
sbuf_printf(&sb, "Gid:\t%d %d %d %d\n", p->p_cred->p_rgid,
p->p_ucred->cr_gid,
p->p_cred->p_svgid,
/* FreeBSD doesn't have fsgid */
p->p_ucred->cr_gid);
sbuf_cat(&sb, "Groups:\t");
for (i = 0; i < p->p_ucred->cr_ngroups; i++)
sbuf_printf(&sb, "%d ", p->p_ucred->cr_groups[i]);
PROC_UNLOCK(p);
sbuf_putc(&sb, '\n');
/*
* Memory
*
* While our approximation of VmLib may not be accurate (I
* don't know of a simple way to verify it, and I'm not sure
* it has much meaning anyway), I believe it's good enough.
*
* The same code that could (I think) accurately compute VmLib
* could also compute VmLck, but I don't really care enough to
* implement it. Submissions are welcome.
*/
sbuf_printf(&sb, "VmSize:\t%8u kB\n", B2K(kp.ki_size));
sbuf_printf(&sb, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */
sbuf_printf(&sb, "VmRss:\t%8u kB\n", P2K(kp.ki_rssize));
sbuf_printf(&sb, "VmData:\t%8u kB\n", P2K(kp.ki_dsize));
sbuf_printf(&sb, "VmStk:\t%8u kB\n", P2K(kp.ki_ssize));
sbuf_printf(&sb, "VmExe:\t%8u kB\n", P2K(kp.ki_tsize));
lsize = B2P(kp.ki_size) - kp.ki_dsize -
kp.ki_ssize - kp.ki_tsize - 1;
sbuf_printf(&sb, "VmLib:\t%8u kB\n", P2K(lsize));
/*
* Signal masks
*
* We support up to 128 signals, while Linux supports 32,
* but we only define 32 (the same 32 as Linux, to boot), so
* just show the lower 32 bits of each mask. XXX hack.
*
* NB: on certain platforms (Sparc at least) Linux actually
* supports 64 signals, but this code is a long way from
* running on anything but i386, so ignore that for now.
*/
PROC_LOCK(p);
sbuf_printf(&sb, "SigPnd:\t%08x\n", p->p_siglist.__bits[0]);
/*
* I can't seem to find out where the signal mask is in
* relation to struct proc, so SigBlk is left unimplemented.
*/
sbuf_printf(&sb, "SigBlk:\t%08x\n", 0); /* XXX */
sbuf_printf(&sb, "SigIgn:\t%08x\n", p->p_sigignore.__bits[0]);
sbuf_printf(&sb, "SigCgt:\t%08x\n", p->p_sigcatch.__bits[0]);
PROC_UNLOCK(p);
/*
* Linux also prints the capability masks, but we don't have
* capabilities yet, and when we do get them they're likely to
* be meaningless to Linux programs, so we lie. XXX
*/
sbuf_printf(&sb, "CapInh:\t%016x\n", 0);
sbuf_printf(&sb, "CapPrm:\t%016x\n", 0);
sbuf_printf(&sb, "CapEff:\t%016x\n", 0);
sbuf_finish(&sb);
ps = sbuf_data(&sb) + uio->uio_offset;
xlen = sbuf_len(&sb) - uio->uio_offset;
xlen = imin(xlen, uio->uio_resid);
r = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
sbuf_delete(&sb);
return r;
}