17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
227c478bd9Sstevel@tonic-gate /*
23f5533078Smishra * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
247c478bd9Sstevel@tonic-gate * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate #include <mdb/mdb_param.h>
287c478bd9Sstevel@tonic-gate #include <mdb/mdb_modapi.h>
297c478bd9Sstevel@tonic-gate #include <mdb/mdb_ks.h>
307c478bd9Sstevel@tonic-gate
317c478bd9Sstevel@tonic-gate #include "lgrp.h"
327c478bd9Sstevel@tonic-gate #include "cpupart_mdb.h"
337c478bd9Sstevel@tonic-gate
347c478bd9Sstevel@tonic-gate #include <sys/cpuvar.h>
357c478bd9Sstevel@tonic-gate #include <sys/cpupart.h>
367c478bd9Sstevel@tonic-gate
377c478bd9Sstevel@tonic-gate /* ARGSUSED */
387c478bd9Sstevel@tonic-gate static int
cpupart_cpulist_callback(uintptr_t addr,const void * arg,void * cb_data)397c478bd9Sstevel@tonic-gate cpupart_cpulist_callback(uintptr_t addr, const void *arg, void *cb_data)
407c478bd9Sstevel@tonic-gate {
417c478bd9Sstevel@tonic-gate cpu_t *cpu = (cpu_t *)arg;
427c478bd9Sstevel@tonic-gate
437c478bd9Sstevel@tonic-gate ulong_t *cpuset = cb_data;
447c478bd9Sstevel@tonic-gate
457c478bd9Sstevel@tonic-gate BT_SET(cpuset, cpu->cpu_id);
467c478bd9Sstevel@tonic-gate
477c478bd9Sstevel@tonic-gate return (WALK_NEXT);
487c478bd9Sstevel@tonic-gate }
497c478bd9Sstevel@tonic-gate
50f5533078Smishra #define CPUPART_IDWIDTH 3
51f5533078Smishra
52f5533078Smishra #ifdef _LP64
53f5533078Smishra #define CPUPART_CPUWIDTH 21
54f5533078Smishra #if defined(__amd64)
55f5533078Smishra #define CPUPART_TWIDTH 16
56f5533078Smishra #else
57f5533078Smishra #define CPUPART_TWIDTH 11
58f5533078Smishra #endif
59f5533078Smishra #else
60f5533078Smishra #define CPUPART_CPUWIDTH 13
61f5533078Smishra #define CPUPART_TWIDTH 8
62f5533078Smishra #endif
63f5533078Smishra
64f5533078Smishra
65f5533078Smishra #define CPUPART_THRDELT (CPUPART_IDWIDTH + CPUPART_CPUWIDTH)
66f5533078Smishra #define CPUPART_INDENT mdb_printf("%*s", CPUPART_THRDELT, "")
67f5533078Smishra
68f5533078Smishra int
cpupart_disp_threads(disp_t * disp)69f5533078Smishra cpupart_disp_threads(disp_t *disp)
70f5533078Smishra {
71f5533078Smishra dispq_t *dq;
72f5533078Smishra int i, npri = disp->disp_npri;
73f5533078Smishra proc_t p;
74f5533078Smishra kthread_t t;
75f5533078Smishra
76f5533078Smishra dq = mdb_alloc(sizeof (dispq_t) * npri, UM_SLEEP | UM_GC);
77f5533078Smishra
78f5533078Smishra if (mdb_vread(dq, sizeof (dispq_t) * npri,
79f5533078Smishra (uintptr_t)disp->disp_q) == -1) {
80f5533078Smishra mdb_warn("failed to read dispq_t at %p", disp->disp_q);
81f5533078Smishra return (DCMD_ERR);
82f5533078Smishra }
83f5533078Smishra
84f5533078Smishra CPUPART_INDENT;
85f5533078Smishra mdb_printf("|\n");
86f5533078Smishra CPUPART_INDENT;
87f5533078Smishra mdb_printf("+--> %3s %-*s %s\n", "PRI", CPUPART_TWIDTH, "THREAD",
88f5533078Smishra "PROC");
89f5533078Smishra
90f5533078Smishra for (i = npri - 1; i >= 0; i--) {
91f5533078Smishra uintptr_t taddr = (uintptr_t)dq[i].dq_first;
92f5533078Smishra
93*892ad162SToomas Soome while (taddr != 0) {
94f5533078Smishra if (mdb_vread(&t, sizeof (t), taddr) == -1) {
95f5533078Smishra mdb_warn("failed to read kthread_t at %p",
96f5533078Smishra taddr);
97f5533078Smishra return (DCMD_ERR);
98f5533078Smishra }
99f5533078Smishra
100f5533078Smishra if (mdb_vread(&p, sizeof (p),
101f5533078Smishra (uintptr_t)t.t_procp) == -1) {
102f5533078Smishra mdb_warn("failed to read proc_t at %p",
103f5533078Smishra t.t_procp);
104f5533078Smishra return (DCMD_ERR);
105f5533078Smishra }
106f5533078Smishra
107f5533078Smishra CPUPART_INDENT;
108f5533078Smishra mdb_printf("%9d %0*p %s\n", t.t_pri, CPUPART_TWIDTH,
109f5533078Smishra taddr, p.p_user.u_comm);
110f5533078Smishra
111f5533078Smishra taddr = (uintptr_t)t.t_link;
112f5533078Smishra }
113f5533078Smishra }
114f5533078Smishra
115f5533078Smishra return (DCMD_OK);
116f5533078Smishra }
117f5533078Smishra
1187c478bd9Sstevel@tonic-gate /* ARGSUSED */
1197c478bd9Sstevel@tonic-gate int
cpupart(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)1207c478bd9Sstevel@tonic-gate cpupart(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1217c478bd9Sstevel@tonic-gate {
1227c478bd9Sstevel@tonic-gate cpupart_t cpupart;
1237c478bd9Sstevel@tonic-gate int cpusetsize;
1247c478bd9Sstevel@tonic-gate int _ncpu;
1257c478bd9Sstevel@tonic-gate ulong_t *cpuset;
126f5533078Smishra uint_t verbose = FALSE;
1277c478bd9Sstevel@tonic-gate
128f5533078Smishra if (mdb_getopts(argc, argv,
129f5533078Smishra 'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) != argc)
1307c478bd9Sstevel@tonic-gate return (DCMD_USAGE);
1317c478bd9Sstevel@tonic-gate
1327c478bd9Sstevel@tonic-gate if (!(flags & DCMD_ADDRSPEC)) {
1337c478bd9Sstevel@tonic-gate if (mdb_walk_dcmd("cpupart_walk", "cpupart", argc, argv)
1347c478bd9Sstevel@tonic-gate == -1) {
1357c478bd9Sstevel@tonic-gate mdb_warn("can't walk 'cpupart'");
1367c478bd9Sstevel@tonic-gate return (DCMD_ERR);
1377c478bd9Sstevel@tonic-gate }
1387c478bd9Sstevel@tonic-gate return (DCMD_OK);
1397c478bd9Sstevel@tonic-gate }
1407c478bd9Sstevel@tonic-gate
1417c478bd9Sstevel@tonic-gate if (DCMD_HDRSPEC(flags)) {
142f5533078Smishra mdb_printf("%3s %?s %4s %4s %4s\n",
1437c478bd9Sstevel@tonic-gate "ID",
1447c478bd9Sstevel@tonic-gate "ADDR",
145f5533078Smishra "NRUN",
1467c478bd9Sstevel@tonic-gate "#CPU",
1477c478bd9Sstevel@tonic-gate "CPUS");
1487c478bd9Sstevel@tonic-gate }
1497c478bd9Sstevel@tonic-gate
1507c478bd9Sstevel@tonic-gate if (mdb_vread(&cpupart, sizeof (cpupart_t), addr) == -1) {
1517c478bd9Sstevel@tonic-gate mdb_warn("unable to read 'cpupart_t' at %p", addr);
1527c478bd9Sstevel@tonic-gate return (DCMD_ERR);
1537c478bd9Sstevel@tonic-gate }
1547c478bd9Sstevel@tonic-gate
155f5533078Smishra mdb_printf("%3d %?p %4d %4d ",
1567c478bd9Sstevel@tonic-gate cpupart.cp_id,
1577c478bd9Sstevel@tonic-gate addr,
158f5533078Smishra cpupart.cp_kp_queue.disp_nrunnable,
1597c478bd9Sstevel@tonic-gate cpupart.cp_ncpus);
1607c478bd9Sstevel@tonic-gate
1617c478bd9Sstevel@tonic-gate if (cpupart.cp_ncpus == 0) {
1627c478bd9Sstevel@tonic-gate mdb_printf("\n");
1637c478bd9Sstevel@tonic-gate return (DCMD_OK);
1647c478bd9Sstevel@tonic-gate }
1657c478bd9Sstevel@tonic-gate
1667c478bd9Sstevel@tonic-gate /*
1677c478bd9Sstevel@tonic-gate * figure out what cpus we've got
1687c478bd9Sstevel@tonic-gate */
1697c478bd9Sstevel@tonic-gate if (mdb_readsym(&_ncpu, sizeof (int), "_ncpu") == -1) {
1707c478bd9Sstevel@tonic-gate mdb_warn("symbol '_ncpu' not found");
1717c478bd9Sstevel@tonic-gate return (DCMD_ERR);
1727c478bd9Sstevel@tonic-gate }
1737c478bd9Sstevel@tonic-gate
1747c478bd9Sstevel@tonic-gate /*
1757c478bd9Sstevel@tonic-gate * allocate enough space for set of longs to hold cpuid bitfield
1767c478bd9Sstevel@tonic-gate */
1777c478bd9Sstevel@tonic-gate
1787c478bd9Sstevel@tonic-gate cpusetsize = BT_BITOUL(_ncpu) * sizeof (ulong_t);
1797c478bd9Sstevel@tonic-gate cpuset = mdb_zalloc(cpusetsize, UM_SLEEP | UM_GC);
1807c478bd9Sstevel@tonic-gate
1817c478bd9Sstevel@tonic-gate if (mdb_pwalk("cpupart_cpulist", cpupart_cpulist_callback, cpuset,
1827c478bd9Sstevel@tonic-gate addr) == -1) {
1837c478bd9Sstevel@tonic-gate mdb_warn("unable to walk cpupart_cpulist");
1847c478bd9Sstevel@tonic-gate return (DCMD_ERR);
1857c478bd9Sstevel@tonic-gate }
1867c478bd9Sstevel@tonic-gate
1877c478bd9Sstevel@tonic-gate print_cpuset_range(cpuset, cpusetsize/sizeof (ulong_t), 0);
1887c478bd9Sstevel@tonic-gate
1897c478bd9Sstevel@tonic-gate mdb_printf("\n");
190f5533078Smishra /*
191f5533078Smishra * If there are any threads on kp queue and -v is specified
192f5533078Smishra */
193f5533078Smishra if (verbose && cpupart.cp_kp_queue.disp_nrunnable) {
194f5533078Smishra if (cpupart_disp_threads(&cpupart.cp_kp_queue) != DCMD_OK)
195f5533078Smishra return (DCMD_ERR);
196f5533078Smishra }
1977c478bd9Sstevel@tonic-gate
1987c478bd9Sstevel@tonic-gate return (DCMD_OK);
1997c478bd9Sstevel@tonic-gate }
2007c478bd9Sstevel@tonic-gate
2017c478bd9Sstevel@tonic-gate typedef struct cpupart_cpulist_walk {
2027c478bd9Sstevel@tonic-gate uintptr_t ccw_firstcpu;
203*892ad162SToomas Soome int ccw_cpusleft;
2047c478bd9Sstevel@tonic-gate } cpupart_cpulist_walk_t;
2057c478bd9Sstevel@tonic-gate
2067c478bd9Sstevel@tonic-gate int
cpupart_cpulist_walk_init(mdb_walk_state_t * wsp)2077c478bd9Sstevel@tonic-gate cpupart_cpulist_walk_init(mdb_walk_state_t *wsp)
2087c478bd9Sstevel@tonic-gate {
2097c478bd9Sstevel@tonic-gate cpupart_cpulist_walk_t *ccw;
2107c478bd9Sstevel@tonic-gate cpupart_t cpupart;
2117c478bd9Sstevel@tonic-gate
2127c478bd9Sstevel@tonic-gate ccw = mdb_alloc(sizeof (cpupart_cpulist_walk_t), UM_SLEEP | UM_GC);
2137c478bd9Sstevel@tonic-gate
2147c478bd9Sstevel@tonic-gate if (mdb_vread(&cpupart, sizeof (cpupart_t), wsp->walk_addr) == -1) {
2157c478bd9Sstevel@tonic-gate mdb_warn("couldn't read 'cpupart' at %p", wsp->walk_addr);
2167c478bd9Sstevel@tonic-gate return (WALK_ERR);
2177c478bd9Sstevel@tonic-gate }
2187c478bd9Sstevel@tonic-gate
2197c478bd9Sstevel@tonic-gate ccw->ccw_firstcpu = (uintptr_t)cpupart.cp_cpulist;
2207c478bd9Sstevel@tonic-gate ccw->ccw_cpusleft = cpupart.cp_ncpus;
2217c478bd9Sstevel@tonic-gate
2227c478bd9Sstevel@tonic-gate wsp->walk_data = ccw;
2237c478bd9Sstevel@tonic-gate wsp->walk_addr = ccw->ccw_firstcpu;
2247c478bd9Sstevel@tonic-gate
2257c478bd9Sstevel@tonic-gate return (WALK_NEXT);
2267c478bd9Sstevel@tonic-gate }
2277c478bd9Sstevel@tonic-gate
2287c478bd9Sstevel@tonic-gate int
cpupart_cpulist_walk_step(mdb_walk_state_t * wsp)2297c478bd9Sstevel@tonic-gate cpupart_cpulist_walk_step(mdb_walk_state_t *wsp)
2307c478bd9Sstevel@tonic-gate {
2317c478bd9Sstevel@tonic-gate cpupart_cpulist_walk_t *ccw = (cpupart_cpulist_walk_t *)
2327c478bd9Sstevel@tonic-gate wsp->walk_data;
2337c478bd9Sstevel@tonic-gate uintptr_t addr = wsp->walk_addr;
2347c478bd9Sstevel@tonic-gate cpu_t cpu;
2357c478bd9Sstevel@tonic-gate int status;
2367c478bd9Sstevel@tonic-gate
2377c478bd9Sstevel@tonic-gate if (mdb_vread(&cpu, sizeof (cpu_t), addr) == -1) {
2387c478bd9Sstevel@tonic-gate mdb_warn("couldn't read 'cpupart' at %p", addr);
2397c478bd9Sstevel@tonic-gate return (WALK_ERR);
2407c478bd9Sstevel@tonic-gate }
2417c478bd9Sstevel@tonic-gate
2427c478bd9Sstevel@tonic-gate status = wsp->walk_callback(addr, &cpu, wsp->walk_cbdata);
2437c478bd9Sstevel@tonic-gate
2447c478bd9Sstevel@tonic-gate if (status != WALK_NEXT)
2457c478bd9Sstevel@tonic-gate return (status);
2467c478bd9Sstevel@tonic-gate
2477c478bd9Sstevel@tonic-gate addr = (uintptr_t)cpu.cpu_next_part;
2487c478bd9Sstevel@tonic-gate wsp->walk_addr = addr;
2497c478bd9Sstevel@tonic-gate
2507c478bd9Sstevel@tonic-gate ccw->ccw_cpusleft--;
2517c478bd9Sstevel@tonic-gate
2527c478bd9Sstevel@tonic-gate if (ccw->ccw_cpusleft < 0) {
2537c478bd9Sstevel@tonic-gate mdb_warn("cpu count doesn't match cpupart list");
2547c478bd9Sstevel@tonic-gate return (WALK_ERR);
2557c478bd9Sstevel@tonic-gate }
2567c478bd9Sstevel@tonic-gate
2577c478bd9Sstevel@tonic-gate if (ccw->ccw_firstcpu == addr) {
2587c478bd9Sstevel@tonic-gate if (ccw->ccw_cpusleft != 0) {
2597c478bd9Sstevel@tonic-gate mdb_warn("cpu count doesn't match cpupart list");
2607c478bd9Sstevel@tonic-gate return (WALK_ERR);
2617c478bd9Sstevel@tonic-gate }
2627c478bd9Sstevel@tonic-gate return (WALK_DONE);
2637c478bd9Sstevel@tonic-gate }
2647c478bd9Sstevel@tonic-gate
2657c478bd9Sstevel@tonic-gate return (WALK_NEXT);
2667c478bd9Sstevel@tonic-gate }
2677c478bd9Sstevel@tonic-gate
2687c478bd9Sstevel@tonic-gate int
cpupart_walk_init(mdb_walk_state_t * wsp)2697c478bd9Sstevel@tonic-gate cpupart_walk_init(mdb_walk_state_t *wsp)
2707c478bd9Sstevel@tonic-gate {
2717c478bd9Sstevel@tonic-gate GElf_Sym sym;
2727c478bd9Sstevel@tonic-gate uintptr_t addr;
2737c478bd9Sstevel@tonic-gate
2747c478bd9Sstevel@tonic-gate if (mdb_lookup_by_name("cp_default", &sym) == -1) {
2757c478bd9Sstevel@tonic-gate mdb_warn("failed to find 'cp_default'\n");
2767c478bd9Sstevel@tonic-gate return (WALK_ERR);
2777c478bd9Sstevel@tonic-gate }
2787c478bd9Sstevel@tonic-gate
2797c478bd9Sstevel@tonic-gate addr = (uintptr_t)sym.st_value;
2807c478bd9Sstevel@tonic-gate wsp->walk_data = (void *)addr;
2817c478bd9Sstevel@tonic-gate wsp->walk_addr = addr;
2827c478bd9Sstevel@tonic-gate
2837c478bd9Sstevel@tonic-gate return (WALK_NEXT);
2847c478bd9Sstevel@tonic-gate }
2857c478bd9Sstevel@tonic-gate
2867c478bd9Sstevel@tonic-gate int
cpupart_walk_step(mdb_walk_state_t * wsp)2877c478bd9Sstevel@tonic-gate cpupart_walk_step(mdb_walk_state_t *wsp)
2887c478bd9Sstevel@tonic-gate {
2897c478bd9Sstevel@tonic-gate cpupart_t cpupart;
2907c478bd9Sstevel@tonic-gate int status;
2917c478bd9Sstevel@tonic-gate
2927c478bd9Sstevel@tonic-gate if (mdb_vread(&cpupart, sizeof (cpupart_t),
2937c478bd9Sstevel@tonic-gate wsp->walk_addr) == -1) {
2947c478bd9Sstevel@tonic-gate mdb_warn("unable to read cpupart at %p",
2957c478bd9Sstevel@tonic-gate wsp->walk_addr);
2967c478bd9Sstevel@tonic-gate return (WALK_ERR);
2977c478bd9Sstevel@tonic-gate }
2987c478bd9Sstevel@tonic-gate
2997c478bd9Sstevel@tonic-gate status = wsp->walk_callback(wsp->walk_addr, &cpupart,
3007c478bd9Sstevel@tonic-gate wsp->walk_cbdata);
3017c478bd9Sstevel@tonic-gate
3027c478bd9Sstevel@tonic-gate if (status != WALK_NEXT)
3037c478bd9Sstevel@tonic-gate return (status);
3047c478bd9Sstevel@tonic-gate
3057c478bd9Sstevel@tonic-gate wsp->walk_addr = (uintptr_t)cpupart.cp_next;
3067c478bd9Sstevel@tonic-gate
3077c478bd9Sstevel@tonic-gate if (wsp->walk_addr == (uintptr_t)wsp->walk_data)
3087c478bd9Sstevel@tonic-gate return (WALK_DONE);
3097c478bd9Sstevel@tonic-gate
3107c478bd9Sstevel@tonic-gate return (WALK_NEXT);
3117c478bd9Sstevel@tonic-gate
3127c478bd9Sstevel@tonic-gate }
313