/*- * 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 1.9 2004/03/01 06:32:49 dillon Exp $ */ #include #include #include #include #include static int db_more(int *nl) { ++*nl; if (*nl == 20) { int c; db_printf("--More--"); c = cngetc(); db_printf("\r"); /* * A whole screenfull or just one line? */ switch (c) { case '\n': /* just one line */ *nl = 19; break; case ' ': *nl = 0; /* another screenfull */ break; default: /* exit */ db_printf("\n"); return(-1); } } return(0); } static void db_dump_td_tokens(thread_t td); void db_ps(dummy1, dummy2, dummy3, dummy4) 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; np = nprocs; if (allproc.lh_first != NULL) p = allproc.lh_first; else p = &proc0; if (db_more(&nl) < 0) return; db_printf(" pid proc addr uid ppid pgrp flag stat wmesg wchan cmd\n"); while (--np >= 0) { /* * XXX just take 20 for now... */ if (db_more(&nl) < 0) return; if (p == NULL) { printf("oops, ran out of processes early!\n"); break; } pp = p->p_pptr; if (pp == NULL) pp = p; db_printf("%5d %8p %8p %4d %5d %5d %06x %d", p->p_pid, (volatile void *)p, (void *)p->p_thread->td_pcb, p->p_ucred ? p->p_ucred->cr_ruid : 0, pp->p_pid, p->p_pgrp ? p->p_pgrp->pg_id : 0, p->p_flag, p->p_stat); if (p->p_wchan) { db_printf(" %6s %8p", p->p_wmesg, (void *)p->p_wchan); } else { db_printf(" "); } db_printf(" %s\n", p->p_comm ? p->p_comm : ""); db_dump_td_tokens(p->p_thread); p = p->p_list.le_next; if (p == NULL && np > 0) p = zombproc.lh_first; } /* * 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_tokreqbase) { lwkt_tokref_t ref; if (db_more(&nl) < 0) return; db_printf(" tokenrequests:"); for (ref = gd->gd_tokreqbase; ref; ref = ref->tr_next) { db_printf(" [r=%p,t=%p]", ref, ref->tr_tok); } db_printf("\n"); } if (db_more(&nl) < 0) return; db_printf(" INCOMMING 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(act) 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 %3d(%3d) %p %8.8s %s\n", np, td, (td->td_proc ? td->td_proc->p_pid : -1), td->td_flags, td->td_pri, td->td_pri & TDPRI_MASK, 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("\n"); if (db_more(&nl) < 0) return; db_printf(" tdq thread pid flags pri(act) sp wmesg comm\n"); TAILQ_FOREACH(td, &gd->gd_tdallq, td_allq) { if (db_more(&nl) < 0) return; db_printf(" %3d %p %3d %08x %3d(%3d) %p %8.8s %s\n", np, td, (td->td_proc ? td->td_proc->p_pid : -1), td->td_flags, td->td_pri, td->td_pri & TDPRI_MASK, 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); if (td->td_gd == tok->t_cpu) db_printf(",held"); if (ref->tr_magic == LWKT_TOKREF_MAGIC1) ; else if (ref->tr_magic == LWKT_TOKREF_MAGIC2) db_printf(",wait"); else db_printf(",badmagic"); db_printf("]"); } db_printf("\n"); }