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.
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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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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 1.8 2004/08/13 02:50:58 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 "linprocfs.h"
73 * Various conversion macros
75 #define T2J(x) (((x) * 100) / (stathz ? stathz : hz)) /* ticks to jiffies */
76 #define T2S(x) ((x) / (stathz ? stathz : hz)) /* ticks to seconds */
77 #define B2K(x) ((unsigned long)((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)
89 char psbuf[512]; /* XXX - conservative */
90 unsigned long memtotal; /* total memory in bytes */
91 unsigned long memused; /* used memory in bytes */
92 unsigned long memfree; /* free memory in bytes */
93 unsigned long memshared; /* shared memory ??? */
94 unsigned long buffers, cached; /* buffer / cache memory ??? */
95 unsigned long long swaptotal; /* total swap space in bytes */
96 unsigned long long swapused; /* used swap space in bytes */
97 unsigned long long swapfree; /* free swap space in bytes */
100 if (uio->uio_rw != UIO_READ)
103 memtotal = physmem * PAGE_SIZE;
105 * The correct thing here would be:
107 memfree = vmstats.v_free_count * PAGE_SIZE;
108 memused = memtotal - memfree;
110 * but it might mislead linux binaries into thinking there
111 * is very little memory left, so we cheat and tell them that
112 * all memory that isn't wired down is free.
114 memused = vmstats.v_wire_count * PAGE_SIZE;
115 memfree = memtotal - memused;
116 if (swapblist == NULL) {
120 swaptotal = swapblist->bl_blocks * 1024LL; /* XXX why 1024? */
121 swapfree = (unsigned long long)swapblist->bl_root->u.bmu_avail * PAGE_SIZE;
123 swapused = swaptotal - swapfree;
125 for (object = TAILQ_FIRST(&vm_object_list); object != NULL;
126 object = TAILQ_NEXT(object, object_list))
127 if (object->shadow_count > 1)
128 memshared += object->resident_page_count;
129 memshared *= PAGE_SIZE;
131 * We'd love to be able to write:
135 * but bufspace is internal to vfs_bio.c and we don't feel
136 * like unstaticizing it just for linprocfs's sake.
139 cached = vmstats.v_cache_count * PAGE_SIZE;
143 " total: used: free: shared: buffers: cached:\n"
144 "Mem: %lu %lu %lu %lu %lu %lu\n"
145 "Swap: %llu %llu %llu\n"
146 "MemTotal: %9lu kB\n"
148 "MemShared:%9lu kB\n"
151 "SwapTotal:%9lu kB\n"
152 "SwapFree: %9lu kB\n",
153 memtotal, memused, memfree, memshared, buffers, cached,
154 swaptotal, swapused, swapfree,
155 B2K(memtotal), B2K(memfree),
156 B2K(memshared), B2K(buffers), B2K(cached),
157 B2K(swaptotal), B2K(swapfree));
159 return (uiomove_frombuf(psbuf, ps - psbuf, uio));
163 linprocfs_docpuinfo(curp, p, pfs, uio)
170 char psbuf[512]; /* XXX - conservative */
174 extern char *cpu_model; /* Yuck */
176 /* We default the flags to include all non-conflicting flags,
177 and the Intel versions of conflicting flags. Note the space
178 before each name; that is significant, and should be
181 static char *flags[] = {
182 "fpu", "vme", "de", "pse", "tsc",
183 "msr", "pae", "mce", "cx8", "apic",
184 "sep", "sep", "mtrr", "pge", "mca",
185 "cmov", "pat", "pse36", "pn", "b19",
186 "b20", "b21", "mmxext", "mmx", "fxsr",
187 "xmm", "b26", "b27", "b28", "b29",
191 if (uio->uio_rw != UIO_READ)
218 "vendor_id\t: %.20s\n"
222 0, cpu_vendor, class, cpu, cpu_id & 0xf);
227 if (!strcmp(cpu_vendor, "AuthenticAMD") && (class < 6)) {
229 } else if (!strcmp(cpu_vendor, "CyrixInstead")) {
233 for (i = 0; i < 32; i++)
234 if (cpu_feature & (1 << i))
235 ps += sprintf(ps, " %s", flags[i]);
236 ps += sprintf(ps, "\n");
239 "cpu MHz\t\t: %d.%02d\n"
240 "bogomips\t: %d.%02d\n",
241 (tsc_freq + 4999) / 1000000,
242 ((tsc_freq + 4999) / 10000) % 100,
243 (tsc_freq + 4999) / 1000000,
244 ((tsc_freq + 4999) / 10000) % 100);
247 return (uiomove_frombuf(psbuf, ps - psbuf, uio));
256 for (i = 0; i < ncpus; ++i) {
257 struct globaldata *gd = globaldata_find(i);
258 count += *(unsigned int *)((char *)&gd->gd_cnt + offset);
264 linprocfs_dostat(curp, p, pfs, uio)
275 "cpu %ld %ld %ld %ld\n"
282 T2J(cp_time[CP_USER]),
283 T2J(cp_time[CP_NICE]),
284 T2J(cp_time[CP_SYS] /*+ cp_time[CP_INTR]*/),
285 T2J(cp_time[CP_IDLE]),
286 cpucnt(offsetof(struct vmmeter, v_vnodepgsin)),
287 cpucnt(offsetof(struct vmmeter, v_vnodepgsout)),
288 cpucnt(offsetof(struct vmmeter, v_swappgsin)),
289 cpucnt(offsetof(struct vmmeter, v_swappgsout)),
290 cpucnt(offsetof(struct vmmeter, v_intr)),
291 cpucnt(offsetof(struct vmmeter, v_swtch)),
293 return (uiomove_frombuf(psbuf, ps - psbuf, uio));
297 linprocfs_douptime(curp, p, pfs, uio)
309 ps += sprintf(ps, "%ld.%02ld %ld.%02ld\n",
310 tv.tv_sec, tv.tv_usec / 10000,
311 T2S(cp_time[CP_IDLE]), T2J(cp_time[CP_IDLE]) % 100);
312 return (uiomove_frombuf(psbuf, ps - psbuf, uio));
316 linprocfs_doversion(curp, p, pfs, uio)
325 ps = version; /* XXX not entirely correct */
326 for (xlen = 0; ps[xlen] != '\n'; ++xlen)
329 return (uiomove_frombuf(ps, xlen, uio));
333 linprocfs_doprocstat(curp, p, pfs, uio)
339 char *ps, psbuf[1024];
342 ps += sprintf(ps, "%d", p->p_pid);
343 #define PS_ADD(name, fmt, arg) ps += sprintf(ps, " " fmt, arg)
344 PS_ADD("comm", "(%s)", p->p_comm);
345 PS_ADD("statr", "%c", '0'); /* XXX */
346 PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0);
347 PS_ADD("pgrp", "%d", p->p_pgid);
348 PS_ADD("session", "%d", p->p_session->s_sid);
349 PS_ADD("tty", "%d", 0); /* XXX */
350 PS_ADD("tpgid", "%d", 0); /* XXX */
351 PS_ADD("flags", "%u", 0); /* XXX */
352 PS_ADD("minflt", "%u", 0); /* XXX */
353 PS_ADD("cminflt", "%u", 0); /* XXX */
354 PS_ADD("majflt", "%u", 0); /* XXX */
355 PS_ADD("cminflt", "%u", 0); /* XXX */
356 PS_ADD("utime", "%d", 0); /* XXX */
357 PS_ADD("stime", "%d", 0); /* XXX */
358 PS_ADD("cutime", "%d", 0); /* XXX */
359 PS_ADD("cstime", "%d", 0); /* XXX */
360 PS_ADD("counter", "%d", 0); /* XXX */
361 PS_ADD("priority", "%d", 0); /* XXX */
362 PS_ADD("timeout", "%u", 0); /* XXX */
363 PS_ADD("itrealvalue", "%u", 0); /* XXX */
364 PS_ADD("starttime", "%d", 0); /* XXX */
365 PS_ADD("vsize", "%u", 0); /* XXX */
366 PS_ADD("rss", "%u", 0); /* XXX */
367 PS_ADD("rlim", "%u", 0); /* XXX */
368 PS_ADD("startcode", "%u", 0); /* XXX */
369 PS_ADD("endcode", "%u", 0); /* XXX */
370 PS_ADD("startstack", "%u", 0); /* XXX */
371 PS_ADD("kstkesp", "%u", 0); /* XXX */
372 PS_ADD("kstkeip", "%u", 0); /* XXX */
373 PS_ADD("signal", "%d", 0); /* XXX */
374 PS_ADD("blocked", "%d", 0); /* XXX */
375 PS_ADD("sigignore", "%d", 0); /* XXX */
376 PS_ADD("sigcatch", "%d", 0); /* XXX */
377 PS_ADD("wchan", "%u", 0); /* XXX */
379 ps += sprintf(ps, "\n");
381 return (uiomove_frombuf(psbuf, ps - psbuf, uio));
385 * Map process state to descriptive letter. Note that this does not
386 * quite correspond to what Linux outputs, but it's close enough.
388 static char *state_str[] = {
400 linprocfs_doprocstatus(curp, p, pfs, uio)
406 char *ps, psbuf[1024];
412 if (p->p_stat > sizeof state_str / sizeof *state_str)
413 state = state_str[0];
415 state = state_str[(int)p->p_stat];
417 #define PS_ADD ps += sprintf
418 PS_ADD(ps, "Name:\t%s\n", p->p_comm); /* XXX escape */
419 PS_ADD(ps, "State:\t%s\n", state);
424 PS_ADD(ps, "Pid:\t%d\n", p->p_pid);
425 PS_ADD(ps, "PPid:\t%d\n", p->p_pptr ? p->p_pptr->p_pid : 0);
426 PS_ADD(ps, "Uid:\t%d %d %d %d\n", p->p_ucred->cr_ruid,
428 p->p_ucred->cr_svuid,
429 /* FreeBSD doesn't have fsuid */
431 PS_ADD(ps, "Gid:\t%d %d %d %d\n", p->p_ucred->cr_rgid,
433 p->p_ucred->cr_svgid,
434 /* FreeBSD doesn't have fsgid */
436 PS_ADD(ps, "Groups:\t");
437 for (i = 0; i < p->p_ucred->cr_ngroups; i++)
438 PS_ADD(ps, "%d ", p->p_ucred->cr_groups[i]);
444 PS_ADD(ps, "VmSize:\t%8lu kB\n", B2K(p->p_vmspace->vm_map.size));
445 PS_ADD(ps, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */
446 /* XXX vm_rssize seems to always be zero, how can this be? */
447 PS_ADD(ps, "VmRss:\t%8u kB\n", P2K(p->p_vmspace->vm_rssize));
448 PS_ADD(ps, "VmData:\t%8u kB\n", P2K(p->p_vmspace->vm_dsize));
449 PS_ADD(ps, "VmStk:\t%8u kB\n", P2K(p->p_vmspace->vm_ssize));
450 PS_ADD(ps, "VmExe:\t%8u kB\n", P2K(p->p_vmspace->vm_tsize));
451 PS_ADD(ps, "VmLib:\t%8u kB\n", P2K(0)); /* XXX */
456 * We support up to 128 signals, while Linux supports 32,
457 * but we only define 32 (the same 32 as Linux, to boot), so
458 * just show the lower 32 bits of each mask. XXX hack.
460 * NB: on certain platforms (Sparc at least) Linux actually
461 * supports 64 signals, but this code is a long way from
462 * running on anything but i386, so ignore that for now.
464 PS_ADD(ps, "SigPnd:\t%08x\n", p->p_siglist.__bits[0]);
465 PS_ADD(ps, "SigBlk:\t%08x\n", 0); /* XXX */
466 PS_ADD(ps, "SigIgn:\t%08x\n", p->p_sigignore.__bits[0]);
467 PS_ADD(ps, "SigCgt:\t%08x\n", p->p_sigcatch.__bits[0]);
470 * Linux also prints the capability masks, but we don't have
471 * capabilities yet, and when we do get them they're likely to
472 * be meaningless to Linux programs, so we lie. XXX
474 PS_ADD(ps, "CapInh:\t%016x\n", 0);
475 PS_ADD(ps, "CapPrm:\t%016x\n", 0);
476 PS_ADD(ps, "CapEff:\t%016x\n", 0);
479 return (uiomove_frombuf(psbuf, ps - psbuf, uio));
485 linprocfs_doloadavg(struct proc *curp, struct proc *p,
486 struct pfsnode *pfs, struct uio *uio)
488 char *ps, psbuf[512];
491 ps += sprintf(ps, "%d.%02d %d.%02d %d.%02d %d/%d %d\n",
492 (int)(averunnable.ldavg[0] / averunnable.fscale),
493 (int)(averunnable.ldavg[0] * 100 / averunnable.fscale % 100),
494 (int)(averunnable.ldavg[1] / averunnable.fscale),
495 (int)(averunnable.ldavg[1] * 100 / averunnable.fscale % 100),
496 (int)(averunnable.ldavg[2] / averunnable.fscale),
497 (int)(averunnable.ldavg[2] * 100 / averunnable.fscale % 100),
498 1, /* number of running tasks */
499 -1, /* number of tasks */
500 nextpid /* The last pid */
502 return(uiomove_frombuf(psbuf, ps - psbuf, uio));