2 * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
3 * Copyright (c) 1999 Pierre Beyssac
4 * Copyright (c) 1993 Jan-Simon Pendry
6 * The Regents of the University of California. All rights reserved.
8 * This code is derived from software contributed to Berkeley by
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * @(#)procfs_status.c 8.4 (Berkeley) 6/15/94
41 * $FreeBSD: src/sys/i386/linux/linprocfs/linprocfs_misc.c,v 1.3.2.8 2001/06/25 19:46:47 pirzyk Exp $
42 * $DragonFly: src/sys/emulation/linux/i386/linprocfs/linprocfs_misc.c,v 1.3 2003/06/23 17:55:40 dillon Exp $
45 #include <sys/param.h>
46 #include <sys/blist.h>
47 #include <sys/dkstat.h>
49 #include <sys/kernel.h>
51 #include <sys/resourcevar.h>
52 #include <sys/systm.h>
54 #include <sys/vnode.h>
59 #include <vm/vm_map.h>
60 #include <vm/vm_param.h>
61 #include <vm/vm_object.h>
62 #include <vm/swap_pager.h>
63 #include <sys/vmmeter.h>
66 #include <machine/clock.h>
67 #include <machine/cputypes.h>
68 #include <machine/md_var.h>
70 #include <i386/linux/linprocfs/linprocfs.h>
73 * Various conversion macros
75 #define T2J(x) (((x) * 100UL) / (stathz ? stathz : hz)) /* ticks to jiffies */
76 #define T2S(x) ((x) / (stathz ? stathz : hz)) /* ticks to seconds */
77 #define B2K(x) ((x) >> 10) /* bytes to kbytes */
78 #define P2B(x) ((x) << PAGE_SHIFT) /* pages to bytes */
79 #define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* pages to kbytes */
82 linprocfs_domeminfo(curp, p, pfs, uio)
90 char psbuf[512]; /* XXX - conservative */
91 unsigned long memtotal; /* total memory in bytes */
92 unsigned long memused; /* used memory in bytes */
93 unsigned long memfree; /* free memory in bytes */
94 unsigned long memshared; /* shared memory ??? */
95 unsigned long buffers, cached; /* buffer / cache memory ??? */
96 unsigned long long swaptotal; /* total swap space in bytes */
97 unsigned long long swapused; /* used swap space in bytes */
98 unsigned long long swapfree; /* free swap space in bytes */
101 if (uio->uio_rw != UIO_READ)
104 memtotal = physmem * PAGE_SIZE;
106 * The correct thing here would be:
108 memfree = cnt.v_free_count * PAGE_SIZE;
109 memused = memtotal - memfree;
111 * but it might mislead linux binaries into thinking there
112 * is very little memory left, so we cheat and tell them that
113 * all memory that isn't wired down is free.
115 memused = cnt.v_wire_count * PAGE_SIZE;
116 memfree = memtotal - memused;
117 if (swapblist == NULL) {
121 swaptotal = (unsigned long long) swapblist->bl_blocks * 1024ULL; /* XXX why 1024? */
122 swapfree = (unsigned long long) swapblist->bl_root->u.bmu_avail * PAGE_SIZE;
124 swapused = swaptotal - swapfree;
126 for (object = TAILQ_FIRST(&vm_object_list); object != NULL;
127 object = TAILQ_NEXT(object, object_list))
128 if (object->shadow_count > 1)
129 memshared += object->resident_page_count;
130 memshared *= PAGE_SIZE;
132 * We'd love to be able to write:
136 * but bufspace is internal to vfs_bio.c and we don't feel
137 * like unstaticizing it just for linprocfs's sake.
140 cached = cnt.v_cache_count * PAGE_SIZE;
144 " total: used: free: shared: buffers: cached:\n"
145 "Mem: %lu %lu %lu %lu %lu %lu\n"
146 "Swap: %llu %llu %llu\n"
147 "MemTotal: %9lu kB\n"
149 "MemShared:%9lu kB\n"
152 "SwapTotal:%9llu kB\n"
153 "SwapFree: %9llu kB\n",
154 memtotal, memused, memfree, memshared, buffers, cached,
155 swaptotal, swapused, swapfree,
156 B2K(memtotal), B2K(memfree),
157 B2K(memshared), B2K(buffers), B2K(cached),
158 B2K(swaptotal), B2K(swapfree));
161 xlen -= uio->uio_offset;
162 ps = psbuf + uio->uio_offset;
163 xlen = imin(xlen, uio->uio_resid);
164 return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
168 linprocfs_docpuinfo(curp, p, pfs, uio)
176 char psbuf[512]; /* XXX - conservative */
180 extern char *cpu_model; /* Yuck */
182 /* We default the flags to include all non-conflicting flags,
183 and the Intel versions of conflicting flags. Note the space
184 before each name; that is significant, and should be
187 static char *flags[] = {
188 "fpu", "vme", "de", "pse", "tsc",
189 "msr", "pae", "mce", "cx8", "apic",
190 "sep", "sep", "mtrr", "pge", "mca",
191 "cmov", "pat", "pse36", "pn", "b19",
192 "b20", "b21", "mmxext", "mmx", "fxsr",
193 "xmm", "b26", "b27", "b28", "b29",
197 if (uio->uio_rw != UIO_READ)
224 "vendor_id\t: %.20s\n"
228 0, cpu_vendor, class, cpu, cpu_id & 0xf);
233 if (!strcmp(cpu_vendor, "AuthenticAMD") && (class < 6)) {
235 } else if (!strcmp(cpu_vendor, "CyrixInstead")) {
239 for (i = 0; i < 32; i++)
240 if (cpu_feature & (1 << i))
241 ps += sprintf(ps, " %s", flags[i]);
242 ps += sprintf(ps, "\n");
245 "cpu MHz\t\t: %d.%02d\n"
246 "bogomips\t: %d.%02d\n",
247 (tsc_freq + 4999) / 1000000,
248 ((tsc_freq + 4999) / 10000) % 100,
249 (tsc_freq + 4999) / 1000000,
250 ((tsc_freq + 4999) / 10000) % 100);
254 xlen -= uio->uio_offset;
255 ps = psbuf + uio->uio_offset;
256 xlen = imin(xlen, uio->uio_resid);
257 return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
261 linprocfs_dostat(curp, p, pfs, uio)
273 "cpu %ld %ld %ld %ld\n"
280 T2J(cp_time[CP_USER]),
281 T2J(cp_time[CP_NICE]),
282 T2J(cp_time[CP_SYS] /*+ cp_time[CP_INTR]*/),
283 T2J(cp_time[CP_IDLE]),
292 xlen -= uio->uio_offset;
293 ps = psbuf + uio->uio_offset;
294 xlen = imin(xlen, uio->uio_resid);
295 return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
299 linprocfs_douptime(curp, p, pfs, uio)
312 ps += sprintf(ps, "%ld.%02ld %ld.%02ld\n",
313 tv.tv_sec, tv.tv_usec / 10000,
314 T2S(cp_time[CP_IDLE]), T2J(cp_time[CP_IDLE]) % 100);
316 xlen -= uio->uio_offset;
317 ps = psbuf + uio->uio_offset;
318 xlen = imin(xlen, uio->uio_resid);
319 return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
323 linprocfs_doversion(curp, p, pfs, uio)
332 ps = version; /* XXX not entirely correct */
333 for (xlen = 0; ps[xlen] != '\n'; ++xlen)
336 xlen -= uio->uio_offset;
337 ps += uio->uio_offset;
338 xlen = imin(xlen, uio->uio_resid);
339 return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
343 linprocfs_doprocstat(curp, p, pfs, uio)
349 char *ps, psbuf[1024];
353 ps += sprintf(ps, "%d", p->p_pid);
354 #define PS_ADD(name, fmt, arg) ps += sprintf(ps, " " fmt, arg)
355 PS_ADD("comm", "(%s)", p->p_comm);
356 PS_ADD("statr", "%c", '0'); /* XXX */
357 PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0);
358 PS_ADD("pgrp", "%d", p->p_pgid);
359 PS_ADD("session", "%d", p->p_session->s_sid);
360 PS_ADD("tty", "%d", 0); /* XXX */
361 PS_ADD("tpgid", "%d", 0); /* XXX */
362 PS_ADD("flags", "%u", 0); /* XXX */
363 PS_ADD("minflt", "%u", 0); /* XXX */
364 PS_ADD("cminflt", "%u", 0); /* XXX */
365 PS_ADD("majflt", "%u", 0); /* XXX */
366 PS_ADD("cminflt", "%u", 0); /* XXX */
367 PS_ADD("utime", "%d", 0); /* XXX */
368 PS_ADD("stime", "%d", 0); /* XXX */
369 PS_ADD("cutime", "%d", 0); /* XXX */
370 PS_ADD("cstime", "%d", 0); /* XXX */
371 PS_ADD("counter", "%d", 0); /* XXX */
372 PS_ADD("priority", "%d", 0); /* XXX */
373 PS_ADD("timeout", "%u", 0); /* XXX */
374 PS_ADD("itrealvalue", "%u", 0); /* XXX */
375 PS_ADD("starttime", "%d", 0); /* XXX */
376 PS_ADD("vsize", "%u", 0); /* XXX */
377 PS_ADD("rss", "%u", 0); /* XXX */
378 PS_ADD("rlim", "%u", 0); /* XXX */
379 PS_ADD("startcode", "%u", 0); /* XXX */
380 PS_ADD("endcode", "%u", 0); /* XXX */
381 PS_ADD("startstack", "%u", 0); /* XXX */
382 PS_ADD("kstkesp", "%u", 0); /* XXX */
383 PS_ADD("kstkeip", "%u", 0); /* XXX */
384 PS_ADD("signal", "%d", 0); /* XXX */
385 PS_ADD("blocked", "%d", 0); /* XXX */
386 PS_ADD("sigignore", "%d", 0); /* XXX */
387 PS_ADD("sigcatch", "%d", 0); /* XXX */
388 PS_ADD("wchan", "%u", 0); /* XXX */
390 ps += sprintf(ps, "\n");
393 xlen -= uio->uio_offset;
394 ps = psbuf + uio->uio_offset;
395 xlen = imin(xlen, uio->uio_resid);
396 return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
400 * Map process state to descriptive letter. Note that this does not
401 * quite correspond to what Linux outputs, but it's close enough.
403 static char *state_str[] = {
415 linprocfs_doprocstatus(curp, p, pfs, uio)
421 char *ps, psbuf[1024];
427 if (p->p_stat > sizeof state_str / sizeof *state_str)
428 state = state_str[0];
430 state = state_str[(int)p->p_stat];
432 #define PS_ADD ps += sprintf
433 PS_ADD(ps, "Name:\t%s\n", p->p_comm); /* XXX escape */
434 PS_ADD(ps, "State:\t%s\n", state);
439 PS_ADD(ps, "Pid:\t%d\n", p->p_pid);
440 PS_ADD(ps, "PPid:\t%d\n", p->p_pptr ? p->p_pptr->p_pid : 0);
441 PS_ADD(ps, "Uid:\t%d %d %d %d\n", p->p_ucred->cr_ruid,
443 p->p_ucred->cr_svuid,
444 /* FreeBSD doesn't have fsuid */
446 PS_ADD(ps, "Gid:\t%d %d %d %d\n", p->p_ucred->cr_rgid,
448 p->p_ucred->cr_svgid,
449 /* FreeBSD doesn't have fsgid */
451 PS_ADD(ps, "Groups:\t");
452 for (i = 0; i < p->p_ucred->cr_ngroups; i++)
453 PS_ADD(ps, "%d ", p->p_ucred->cr_groups[i]);
459 PS_ADD(ps, "VmSize:\t%8u kB\n", B2K(p->p_vmspace->vm_map.size));
460 PS_ADD(ps, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */
461 /* XXX vm_rssize seems to always be zero, how can this be? */
462 PS_ADD(ps, "VmRss:\t%8u kB\n", P2K(p->p_vmspace->vm_rssize));
463 PS_ADD(ps, "VmData:\t%8u kB\n", P2K(p->p_vmspace->vm_dsize));
464 PS_ADD(ps, "VmStk:\t%8u kB\n", P2K(p->p_vmspace->vm_ssize));
465 PS_ADD(ps, "VmExe:\t%8u kB\n", P2K(p->p_vmspace->vm_tsize));
466 PS_ADD(ps, "VmLib:\t%8u kB\n", P2K(0)); /* XXX */
471 * We support up to 128 signals, while Linux supports 32,
472 * but we only define 32 (the same 32 as Linux, to boot), so
473 * just show the lower 32 bits of each mask. XXX hack.
475 * NB: on certain platforms (Sparc at least) Linux actually
476 * supports 64 signals, but this code is a long way from
477 * running on anything but i386, so ignore that for now.
479 PS_ADD(ps, "SigPnd:\t%08x\n", p->p_siglist.__bits[0]);
480 PS_ADD(ps, "SigBlk:\t%08x\n", 0); /* XXX */
481 PS_ADD(ps, "SigIgn:\t%08x\n", p->p_sigignore.__bits[0]);
482 PS_ADD(ps, "SigCgt:\t%08x\n", p->p_sigcatch.__bits[0]);
485 * Linux also prints the capability masks, but we don't have
486 * capabilities yet, and when we do get them they're likely to
487 * be meaningless to Linux programs, so we lie. XXX
489 PS_ADD(ps, "CapInh:\t%016x\n", 0);
490 PS_ADD(ps, "CapPrm:\t%016x\n", 0);
491 PS_ADD(ps, "CapEff:\t%016x\n", 0);
495 xlen -= uio->uio_offset;
496 ps = psbuf + uio->uio_offset;
497 xlen = imin(xlen, uio->uio_resid);
498 return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
504 linprocfs_doloadavg(curp, p, pfs, uio)
510 char *ps, psbuf[512];
516 "%d.%02d %d.%02d %d.%02d %d/%d %d\n",
517 (int)(averunnable.ldavg[0] / averunnable.fscale),
518 (int)(averunnable.ldavg[0] * 100 / averunnable.fscale % 100),
519 (int)(averunnable.ldavg[1] / averunnable.fscale),
520 (int)(averunnable.ldavg[1] * 100 / averunnable.fscale % 100),
521 (int)(averunnable.ldavg[2] / averunnable.fscale),
522 (int)(averunnable.ldavg[2] * 100 / averunnable.fscale % 100),
523 1, /* number of running tasks */
524 -1, /* number of tasks */
525 nextpid /* The last pid */
529 xlen -= uio->uio_offset;
530 ps = psbuf + uio->uio_offset;
531 xlen = imin(xlen, uio->uio_resid);
532 return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));