[dragonfly.git] / sys / ddb / db_ps.c

/*-
 * Copyright (c) 1993 The Regents of the University of California.
 * All rights reserved.
 *
 * 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.
 *
 * $FreeBSD: src/sys/ddb/db_ps.c,v 1.20 1999/08/28 00:41:09 peter Exp $
 * $DragonFly: src/sys/ddb/db_ps.c,v 1.25 2008/06/29 21:38:21 dillon Exp $
 */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <sys/cons.h>

#include <ddb/ddb.h>

static void db_dump_td_tokens(thread_t td);

void
db_ps(db_expr_t dummy1, boolean_t dummy2, db_expr_t dummy3, char *dummy4)
{
	int np;
	int cpuidx;
	int nl = 0;
	volatile struct proc *p, *pp;
	struct lwp *lp;

	np = nprocs;

	if (allproc.lh_first != NULL)
		p = allproc.lh_first;
	else
		p = &proc0;
	lp = FIRST_LWP_IN_PROC(__DEVOLATILE(struct proc *, p));

	if (db_more(&nl) < 0)
	    return;
	db_printf("  pid      lwp  uid  ppid  pgrp  pflag  lflag stat  wmesg    wchan cmd\n");
	for (;;) {
		while (lp == NULL) {
			--np;
			p = p->p_list.le_next;
			if (p == NULL && np > 0)
				p = zombproc.lh_first;
			if (p == NULL)
				break;
			lp = FIRST_LWP_IN_PROC(__DEVOLATILE(struct proc *, p));
		}
		/*
		 * XXX just take 20 for now...
		 */
		if (db_more(&nl) < 0)
			return;
		if (p == NULL) {
			kprintf("oops, ran out of processes early!\n");
			break;
		}
		pp = p->p_pptr;
		if (pp == NULL)
			pp = p;

		db_printf("%5d %8p %4d %5d %5d %06x %06x  %d %d",
		    p->p_pid, (volatile void *)lp,
		    p->p_ucred ? p->p_ucred->cr_ruid : 0, pp->p_pid,
		    p->p_pgrp ? p->p_pgrp->pg_id : 0, p->p_flag,
		    lp->lwp_flag, p->p_stat, lp->lwp_stat);
		if (lp->lwp_wchan) {
			db_printf(" %6s %8p",
				(lp->lwp_wmesg ? lp->lwp_wmesg : "?"),
				lp->lwp_wchan);
		} else {
			db_printf("                 ");
		}
		db_printf(" %s\n", p->p_comm ? p->p_comm : "");
		db_dump_td_tokens(lp->lwp_thread);

		lp = lwp_rb_tree_RB_NEXT(lp);
    	}

	/*
	 * Dump running threads
	 */
	for (cpuidx = 0; cpuidx < ncpus; ++cpuidx) {
	    struct globaldata *gd = &CPU_prvspace[cpuidx].mdglobaldata.mi;
	    thread_t td;
	    int j;

	    if (db_more(&nl) < 0)
		return;
	    db_printf("cpu %d tdrunqmask %08x curthread %p reqflags %04x\n",
		    gd->gd_cpuid, gd->gd_runqmask,
		    gd->gd_curthread, gd->gd_reqflags);
	    if (gd->gd_curthread && gd->gd_curthread->td_preempted) {
		    db_printf("       PREEMPTING THREAD %p\n",
				gd->gd_curthread->td_preempted);
	    }

	    if (db_more(&nl) < 0)
		return;
	    db_printf("      INCOMING IPIQS:");
	    for (j = 0; j < ncpus; ++j) {
		lwkt_ipiq_t ip = globaldata_find(j)->gd_ipiq;
		if (ip != NULL) {
		    ip = &ip[cpuidx];
		    if (ip->ip_windex != ip->ip_rindex)
			db_printf(" cpu%d:%d", j, ip->ip_windex - ip->ip_rindex);
		}
	    }
	    db_printf("\n");

	    if (db_more(&nl) < 0)
		return;
	    db_printf("  tdq     thread pid    flags pri/cs/mp        sp    wmesg comm\n");
	    for (np = 0; np < 32; ++np) {
		TAILQ_FOREACH(td, &gd->gd_tdrunq[np], td_threadq) {
		    if (db_more(&nl) < 0)
			return;
		    db_printf("  %3d %p %3d %08x %2d/%02d/%02d %p %8.8s %s\n",
			np, td, 
			(td->td_proc ? td->td_proc->p_pid : -1),
			td->td_flags, 
			td->td_pri & TDPRI_MASK,
			td->td_pri / TDPRI_CRIT,
#ifdef SMP
			td->td_mpcount,
#else
			0,
#endif
			td->td_sp,
			td->td_wmesg ? td->td_wmesg : "-",
			td->td_proc ? td->td_proc->p_comm : td->td_comm);
		    if (td->td_preempted)
			db_printf("  PREEMPTING THREAD %p\n", td->td_preempted);
		    db_dump_td_tokens(td);
		}
	    }
	    if (db_more(&nl) < 0)
		return;
	    db_printf("\n");
	    if (db_more(&nl) < 0)
		return;
	    db_printf("  tdq     thread pid    flags pri/cs/mp        sp    wmesg comm\n");
	    TAILQ_FOREACH(td, &gd->gd_tdallq, td_allq) {
		if (db_more(&nl) < 0)
		    return;
		db_printf("  %3d %p %3d %08x %2d/%02d/%02d %p %8.8s %s\n",
		    np, td, 
		    (td->td_proc ? td->td_proc->p_pid : -1),
		    td->td_flags,
		    td->td_pri & TDPRI_MASK,
		    td->td_pri / TDPRI_CRIT,
#ifdef SMP
		    td->td_mpcount,
#else
		    0,
#endif
		    td->td_sp,
		    td->td_wmesg ? td->td_wmesg : "-",
		    td->td_proc ? td->td_proc->p_comm : td->td_comm);
		db_dump_td_tokens(td);
	    }
	}
	if (db_more(&nl) < 0)
	    return;
	db_printf("CURCPU %d CURTHREAD %p (%d)\n",
	    mycpu->gd_cpuid,
	    curthread,
	    (curthread->td_proc ? curthread->td_proc->p_pid : -1));
	db_dump_td_tokens(curthread);
}

static void
db_dump_td_tokens(thread_t td)
{
	lwkt_tokref_t ref;
	lwkt_token_t tok;

	if (td->td_toks == NULL)
		return;
	db_printf("    TOKENS:");
	for (ref = td->td_toks; ref; ref = ref->tr_next) {
		tok = ref->tr_tok;

		db_printf(" %p[tok=%p", ref, ref->tr_tok);
#ifdef SMP
		if (td == tok->t_ref->tr_owner)
		    db_printf(",held");
#endif
		db_printf("]");
	}
	db_printf("\n");
}
Commit	Line	Data
984263bc MD	1	/*-
	2	* Copyright (c) 1993 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
	33	* $FreeBSD: src/sys/ddb/db_ps.c,v 1.20 1999/08/28 00:41:09 peter Exp $
9daaf3d3	34	* $DragonFly: src/sys/ddb/db_ps.c,v 1.25 2008/06/29 21:38:21 dillon Exp $
984263bc MD	35	*/
	36	#include <sys/param.h>
	37	#include <sys/systm.h>
	38	#include <sys/proc.h>
	39	#include <sys/cons.h>
	40
	41	#include <ddb/ddb.h>
	42
41a01a4d MD	43	static void db_dump_td_tokens(thread_t td);
41a01a4d MD	44
984263bc	45	void
2c9702b2	46	db_ps(db_expr_t dummy1, boolean_t dummy2, db_expr_t dummy3, char *dummy4)
984263bc MD	47	{
984263bc MD	48	int np;
96728c05	49	int cpuidx;
984263bc MD	50	int nl = 0;
984263bc MD	51	volatile struct proc p, pp;
08f2f1bb	52	struct lwp *lp;
984263bc MD	53
	54	np = nprocs;
	55
	56	if (allproc.lh_first != NULL)
	57	p = allproc.lh_first;
	58	else
	59	p = &proc0;
3e291793	60	lp = FIRST_LWP_IN_PROC(__DEVOLATILE(struct proc *, p));
984263bc	61
41a01a4d MD	62	if (db_more(&nl) < 0)
41a01a4d MD	63	return;
c7e98b2f SS	64	db_printf(" pid lwp uid ppid pgrp pflag lflag stat wmesg wchan cmd\n");
c7e98b2f SS	65	for (;;) {
9daaf3d3 MD	66	while (lp == NULL) {
	67	--np;
	68	p = p->p_list.le_next;
	69	if (p == NULL && np > 0)
	70	p = zombproc.lh_first;
	71	if (p == NULL)
	72	break;
	73	lp = FIRST_LWP_IN_PROC(__DEVOLATILE(struct proc *, p));
	74	}
984263bc MD	75	/*
	76	* XXX just take 20 for now...
	77	*/
41a01a4d MD	78	if (db_more(&nl) < 0)
41a01a4d MD	79	return;
984263bc	80	if (p == NULL) {
26be20a0	81	kprintf("oops, ran out of processes early!\n");
984263bc MD	82	break;
	83	}
	84	pp = p->p_pptr;
	85	if (pp == NULL)
	86	pp = p;
	87
c7e98b2f SS	88	db_printf("%5d %8p %4d %5d %5d %06x %06x %d %d",
c7e98b2f SS	89	p->p_pid, (volatile void *)lp,
41c20dac	90	p->p_ucred ? p->p_ucred->cr_ruid : 0, pp->p_pid,
c7e98b2f SS	91	p->p_pgrp ? p->p_pgrp->pg_id : 0, p->p_flag,
c7e98b2f SS	92	lp->lwp_flag, p->p_stat, lp->lwp_stat);
08f2f1bb	93	if (lp->lwp_wchan) {
9daaf3d3 MD	94	db_printf(" %6s %8p",
	95	(lp->lwp_wmesg ? lp->lwp_wmesg : "?"),
	96	lp->lwp_wchan);
984263bc MD	97	} else {
	98	db_printf(" ");
	99	}
	100	db_printf(" %s\n", p->p_comm ? p->p_comm : "");
08f2f1bb	101	db_dump_td_tokens(lp->lwp_thread);
984263bc	102
3e291793	103	lp = lwp_rb_tree_RB_NEXT(lp);
984263bc	104	}
26a0694b MD	105
	106	/*
	107	* Dump running threads
	108	*/
96728c05	109	for (cpuidx = 0; cpuidx < ncpus; ++cpuidx) {
96728c05	110	struct globaldata *gd = &CPU_prvspace[cpuidx].mdglobaldata.mi;
41a01a4d MD	111	thread_t td;
41a01a4d MD	112	int j;
96728c05	113
41a01a4d MD	114	if (db_more(&nl) < 0)
41a01a4d MD	115	return;
235957ed	116	db_printf("cpu %d tdrunqmask %08x curthread %p reqflags %04x\n",
a2a5ad0d	117	gd->gd_cpuid, gd->gd_runqmask,
235957ed	118	gd->gd_curthread, gd->gd_reqflags);
e1de01e9 MD	119	if (gd->gd_curthread && gd->gd_curthread->td_preempted) {
	120	db_printf(" PREEMPTING THREAD %p\n",
	121	gd->gd_curthread->td_preempted);
	122	}
79bfc874	123
41a01a4d MD	124	if (db_more(&nl) < 0)
41a01a4d MD	125	return;
3f625015	126	db_printf(" INCOMING IPIQS:");
41a01a4d MD	127	for (j = 0; j < ncpus; ++j) {
	128	lwkt_ipiq_t ip = globaldata_find(j)->gd_ipiq;
	129	if (ip != NULL) {
	130	ip = &ip[cpuidx];
	131	if (ip->ip_windex != ip->ip_rindex)
	132	db_printf(" cpu%d:%d", j, ip->ip_windex - ip->ip_rindex);
	133	}
	134	}
	135	db_printf("\n");
	136
	137	if (db_more(&nl) < 0)
	138	return;
e93c7fb5	139	db_printf(" tdq thread pid flags pri/cs/mp sp wmesg comm\n");
96728c05 MD	140	for (np = 0; np < 32; ++np) {
96728c05 MD	141	TAILQ_FOREACH(td, &gd->gd_tdrunq[np], td_threadq) {
41a01a4d MD	142	if (db_more(&nl) < 0)
41a01a4d MD	143	return;
e93c7fb5	144	db_printf(" %3d %p %3d %08x %2d/%02d/%02d %p %8.8s %s\n",
96728c05 MD	145	np, td,
96728c05 MD	146	(td->td_proc ? td->td_proc->p_pid : -1),
e93c7fb5	147	td->td_flags,
96728c05	148	td->td_pri & TDPRI_MASK,
e93c7fb5 MD	149	td->td_pri / TDPRI_CRIT,
	150	#ifdef SMP
	151	td->td_mpcount,
	152	#else
	153	0,
	154	#endif
96728c05 MD	155	td->td_sp,
	156	td->td_wmesg ? td->td_wmesg : "-",
	157	td->td_proc ? td->td_proc->p_comm : td->td_comm);
e1de01e9 MD	158	if (td->td_preempted)
e1de01e9 MD	159	db_printf(" PREEMPTING THREAD %p\n", td->td_preempted);
41a01a4d	160	db_dump_td_tokens(td);
26a0694b	161	}
96728c05	162	}
41a01a4d MD	163	if (db_more(&nl) < 0)
41a01a4d MD	164	return;
96728c05	165	db_printf("\n");
41a01a4d MD	166	if (db_more(&nl) < 0)
41a01a4d MD	167	return;
e93c7fb5	168	db_printf(" tdq thread pid flags pri/cs/mp sp wmesg comm\n");
96728c05	169	TAILQ_FOREACH(td, &gd->gd_tdallq, td_allq) {
41a01a4d MD	170	if (db_more(&nl) < 0)
41a01a4d MD	171	return;
e93c7fb5	172	db_printf(" %3d %p %3d %08x %2d/%02d/%02d %p %8.8s %s\n",
96728c05 MD	173	np, td,
96728c05 MD	174	(td->td_proc ? td->td_proc->p_pid : -1),
e93c7fb5	175	td->td_flags,
96728c05	176	td->td_pri & TDPRI_MASK,
e93c7fb5 MD	177	td->td_pri / TDPRI_CRIT,
	178	#ifdef SMP
	179	td->td_mpcount,
	180	#else
	181	0,
	182	#endif
96728c05 MD	183	td->td_sp,
	184	td->td_wmesg ? td->td_wmesg : "-",
	185	td->td_proc ? td->td_proc->p_comm : td->td_comm);
41a01a4d	186	db_dump_td_tokens(td);
96728c05	187	}
26a0694b	188	}
41a01a4d MD	189	if (db_more(&nl) < 0)
41a01a4d MD	190	return;
52eedfb5	191	db_printf("CURCPU %d CURTHREAD %p (%d)\n",
96728c05 MD	192	mycpu->gd_cpuid,
96728c05 MD	193	curthread,
52eedfb5	194	(curthread->td_proc ? curthread->td_proc->p_pid : -1));
41a01a4d	195	db_dump_td_tokens(curthread);
984263bc	196	}
41a01a4d MD	197
	198	static void
	199	db_dump_td_tokens(thread_t td)
	200	{
	201	lwkt_tokref_t ref;
	202	lwkt_token_t tok;
	203
	204	if (td->td_toks == NULL)
	205	return;
	206	db_printf(" TOKENS:");
	207	for (ref = td->td_toks; ref; ref = ref->tr_next) {
	208	tok = ref->tr_tok;
	209
	210	db_printf(" %p[tok=%p", ref, ref->tr_tok);
dd55d707	211	#ifdef SMP
c6fbe95a	212	if (td == tok->t_ref->tr_owner)
41a01a4d	213	db_printf(",held");
dd55d707	214	#endif
41a01a4d MD	215	db_printf("]");
	216	}
	217	db_printf("\n");
	218	}
	219