-
-
-#if MACH_KDB
-
-#include <ddb/db_output.h>
-#include <ddb/db_print.h>
-
-#define printf kdbprintf
-
-int
-db_port_queue_print(
- ipc_port_t port);
-
-/*
- * Routine: ipc_port_print
- * Purpose:
- * Pretty-print a port for kdb.
- */
-int ipc_port_print_long = 0; /* set for more detail */
-
-void
-ipc_port_print(
- ipc_port_t port,
- __unused boolean_t have_addr,
- __unused db_expr_t count,
- char *modif)
-{
- db_addr_t task;
- int task_id;
- int nmsgs;
- int verbose = 0;
-#if MACH_ASSERT
- int i, needs_db_indent, items_printed;
-#endif /* MACH_ASSERT */
-
- if (db_option(modif, 'l') || db_option(modif, 'v'))
- ++verbose;
-
- printf("port 0x%x\n", port);
-
- db_indent += 2;
-
- ipc_object_print(&port->ip_object);
-
- if (ipc_port_print_long) {
- printf("\n");
- }
-
- if (!ip_active(port)) {
- iprintf("timestamp=0x%x", port->ip_timestamp);
- } else if (port->ip_receiver_name == MACH_PORT_NULL) {
- iprintf("destination=0x%x (", port->ip_destination);
- if (port->ip_destination != MACH_PORT_NULL &&
- (task = db_task_from_space(port->ip_destination->
- ip_receiver, &task_id)))
- printf("task%d at 0x%x", task_id, task);
- else
- printf("unknown");
- printf(")");
- } else {
- iprintf("receiver=0x%x (", port->ip_receiver);
- if (port->ip_receiver == ipc_space_kernel)
- printf("kernel");
- else if (port->ip_receiver == ipc_space_reply)
- printf("reply");
- else if (port->ip_receiver == default_pager_space)
- printf("default_pager");
- else if ((task = db_task_from_space(port->ip_receiver, &task_id)) != (db_addr_t)0)
- printf("task%d at 0x%x", task_id, task);
- else
- printf("unknown");
- printf(")");
- }
- printf(", receiver_name=0x%x\n", port->ip_receiver_name);
-
- iprintf("mscount=%d", port->ip_mscount);
- printf(", srights=%d", port->ip_srights);
- printf(", sorights=%d\n", port->ip_sorights);
-
- iprintf("nsrequest=0x%x", port->ip_nsrequest);
- printf(", pdrequest=0x%x", port->ip_pdrequest);
- printf(", requests=0x%x\n", port->ip_requests);
-
- iprintf("pset_count=0x%x", port->ip_pset_count);
- printf(", seqno=%d", port->ip_messages.imq_seqno);
- printf(", msgcount=%d", port->ip_messages.imq_msgcount);
- printf(", qlimit=%d\n", port->ip_messages.imq_qlimit);
-
- iprintf("kmsgs=0x%x", port->ip_messages.imq_messages.ikmq_base);
- printf(", rcvrs queue=0x%x", port->ip_messages.imq_wait_queue);
- printf(", kobj=0x%x\n", port->ip_kobject);
-
- iprintf("premsg=0x%x", port->ip_premsg);
-
-#if MACH_ASSERT
- /* don't bother printing callstack or queue links */
- iprintf("ip_thread=0x%x, ip_timetrack=0x%x\n",
- port->ip_thread, port->ip_timetrack);
- items_printed = 0;
- needs_db_indent = 1;
- for (i = 0; i < IP_NSPARES; ++i) {
- if (port->ip_spares[i] != 0) {
- if (needs_db_indent) {
- iprintf("");
- needs_db_indent = 0;
- }
- printf("%sip_spares[%d] = %d",
- items_printed ? ", " : "", i,
- port->ip_spares[i]);
- if (++items_printed >= 4) {
- needs_db_indent = 1;
- printf("\n");
- items_printed = 0;
- }
- }
- }
-#endif /* MACH_ASSERT */
-
- if (verbose) {
- iprintf("kmsg queue contents:\n");
- db_indent += 2;
- nmsgs = db_port_queue_print(port);
- db_indent -= 2;
- iprintf("...total kmsgs: %d\n", nmsgs);
- }
-
- db_indent -=2;
-}
-
-ipc_port_t
-ipc_name_to_data(
- task_t task,
- mach_port_name_t name)
-{
- ipc_space_t space;
- ipc_entry_t entry;
-
- if (task == TASK_NULL) {
- db_printf("port_name_to_data: task is null\n");
- return (0);
- }
- if ((space = task->itk_space) == 0) {
- db_printf("port_name_to_data: task->itk_space is null\n");
- return (0);
- }
- if (!space->is_active) {
- db_printf("port_name_to_data: task->itk_space not active\n");
- return (0);
- }
- if ((entry = ipc_entry_lookup(space, name)) == 0) {
- db_printf("port_name_to_data: lookup yields zero\n");
- return (0);
- }
- return ((ipc_port_t)entry->ie_object);
-}
-
-#if ZONE_DEBUG
-void
-print_type_ports(type, dead)
- unsigned type;
- unsigned dead;
-{
- ipc_port_t port;
- int n;
-
- n = 0;
- for (port = (ipc_port_t)first_element(ipc_object_zones[IOT_PORT]);
- port;
- port = (ipc_port_t)next_element(ipc_object_zones[IOT_PORT],
- port))
- if (ip_kotype(port) == type &&
- (!dead || !ip_active(port))) {
- if (++n % 5)
- printf("0x%x\t", port);
- else
- printf("0x%x\n", port);
- }
- if (n % 5)
- printf("\n");
-}
-
-void
-print_ports(void)
-{
- ipc_port_t port;
- int total_port_count;
- int space_null_count;
- int space_kernel_count;
- int space_reply_count;
- int space_pager_count;
- int space_other_count;
-
- struct {
- int total_count;
- int dead_count;
- } port_types[IKOT_MAX_TYPE];
-
- total_port_count = 0;
-
- bzero((char *)&port_types[0], sizeof(port_types));
- space_null_count = 0;
- space_kernel_count = 0;
- space_reply_count = 0;
- space_pager_count = 0;
- space_other_count = 0;
-
- for (port = (ipc_port_t)first_element(ipc_object_zones[IOT_PORT]);
- port;
- port = (ipc_port_t)next_element(ipc_object_zones[IOT_PORT],
- port)) {
- total_port_count++;
- if (ip_kotype(port) >= IKOT_MAX_TYPE) {
- port_types[IKOT_UNKNOWN].total_count++;
- if (!io_active(&port->ip_object))
- port_types[IKOT_UNKNOWN].dead_count++;
- } else {
- port_types[ip_kotype(port)].total_count++;
- if (!io_active(&port->ip_object))
- port_types[ip_kotype(port)].dead_count++;
- }
-
- if (!port->ip_receiver)
- space_null_count++;
- else if (port->ip_receiver == ipc_space_kernel)
- space_kernel_count++;
- else if (port->ip_receiver == ipc_space_reply)
- space_reply_count++;
- else if (port->ip_receiver == default_pager_space)
- space_pager_count++;
- else
- space_other_count++;
- }
- printf("\n%7d total ports\n\n", total_port_count);
-
-#define PRINT_ONE_PORT_TYPE(name) \
- printf("%7d %s", port_types[IKOT_##name].total_count, # name); \
- if (port_types[IKOT_##name].dead_count) \
- printf(" (%d dead ports)", port_types[IKOT_##name].dead_count);\
- printf("\n");
-
- PRINT_ONE_PORT_TYPE(NONE);
- PRINT_ONE_PORT_TYPE(THREAD);
- PRINT_ONE_PORT_TYPE(TASK);
- PRINT_ONE_PORT_TYPE(HOST);
- PRINT_ONE_PORT_TYPE(HOST_PRIV);
- PRINT_ONE_PORT_TYPE(PROCESSOR);
- PRINT_ONE_PORT_TYPE(PSET);
- PRINT_ONE_PORT_TYPE(PSET_NAME);
- PRINT_ONE_PORT_TYPE(TIMER);
- PRINT_ONE_PORT_TYPE(PAGING_REQUEST);
- PRINT_ONE_PORT_TYPE(MIG);
- PRINT_ONE_PORT_TYPE(MEMORY_OBJECT);
- PRINT_ONE_PORT_TYPE(XMM_PAGER);
- PRINT_ONE_PORT_TYPE(XMM_KERNEL);
- PRINT_ONE_PORT_TYPE(XMM_REPLY);
- PRINT_ONE_PORT_TYPE(UND_REPLY);
- PRINT_ONE_PORT_TYPE(HOST_NOTIFY);
- PRINT_ONE_PORT_TYPE(HOST_SECURITY);
- PRINT_ONE_PORT_TYPE(LEDGER);
- PRINT_ONE_PORT_TYPE(MASTER_DEVICE);
- PRINT_ONE_PORT_TYPE(TASK_NAME);
- PRINT_ONE_PORT_TYPE(SUBSYSTEM);
- PRINT_ONE_PORT_TYPE(IO_DONE_QUEUE);
- PRINT_ONE_PORT_TYPE(SEMAPHORE);
- PRINT_ONE_PORT_TYPE(LOCK_SET);
- PRINT_ONE_PORT_TYPE(CLOCK);
- PRINT_ONE_PORT_TYPE(CLOCK_CTRL);
- PRINT_ONE_PORT_TYPE(IOKIT_SPARE);
- PRINT_ONE_PORT_TYPE(NAMED_ENTRY);
- PRINT_ONE_PORT_TYPE(IOKIT_CONNECT);
- PRINT_ONE_PORT_TYPE(IOKIT_OBJECT);
- PRINT_ONE_PORT_TYPE(UPL);
- PRINT_ONE_PORT_TYPE(MEM_OBJ_CONTROL);
-
- PRINT_ONE_PORT_TYPE(UNKNOWN);
- printf("\nipc_space:\n\n");
- printf("NULL KERNEL REPLY PAGER OTHER\n");
- printf("%d %d %d %d %d\n",
- space_null_count,
- space_kernel_count,
- space_reply_count,
- space_pager_count,
- space_other_count
- );
-}
-
-#endif /* ZONE_DEBUG */
-
-
-/*
- * Print out all the kmsgs in a queue. Aggregate kmsgs with
- * identical message ids into a single entry. Count up the
- * amount of inline and out-of-line data consumed by each
- * and every kmsg.
- *
- */
-
-#define KMSG_MATCH_FIELD(kmsg) (kmsg->ikm_header->msgh_id)
-#define DKQP_LONG(kmsg) FALSE
-const char *dkqp_long_format = "(%3d) <%10d> 0x%x %10d %10d\n";
-const char *dkqp_format = "(%3d) <%10d> 0x%x %10d %10d\n";
-
-int
-db_kmsg_queue_print(
- ipc_kmsg_t kmsg);
-int
-db_kmsg_queue_print(
- ipc_kmsg_t kmsg)
-{
- ipc_kmsg_t ikmsg, first_kmsg;
- register int icount;
- mach_msg_id_t cur_id;
- unsigned int inline_total, ool_total;
- int nmsgs;
-
- iprintf("Count msgh_id kmsg addr inline bytes ool bytes\n");
- inline_total = ool_total = (vm_size_t) 0;
- cur_id = KMSG_MATCH_FIELD(kmsg);
- for (icount = 0, nmsgs = 0, first_kmsg = ikmsg = kmsg;
- kmsg != IKM_NULL && (kmsg != first_kmsg || nmsgs == 0);
- kmsg = kmsg->ikm_next) {
- ++nmsgs;
- if (!(KMSG_MATCH_FIELD(kmsg) == cur_id)) {
- iprintf(DKQP_LONG(kmsg) ? dkqp_long_format:dkqp_format,
- icount, cur_id, ikmsg, inline_total,ool_total);
- cur_id = KMSG_MATCH_FIELD(kmsg);
- icount = 1;
- ikmsg = kmsg;
- inline_total = ool_total = 0;
- } else {
- icount++;
- }
- if (DKQP_LONG(kmsg))
- inline_total += kmsg->ikm_size;
- else
- inline_total += kmsg->ikm_header->msgh_size;
- }
- iprintf(DKQP_LONG(kmsg) ? dkqp_long_format : dkqp_format,
- icount, cur_id, ikmsg, inline_total, ool_total);
- return nmsgs;
-}
-
-
-/*
- * Process all of the messages on a port - prints out the
- * number of occurences of each message type, and the first
- * kmsg with a particular msgh_id.
- */
-int
-db_port_queue_print(
- ipc_port_t port)
-{
- ipc_kmsg_t kmsg;
-
- if (ipc_kmsg_queue_empty(&port->ip_messages.imq_messages))
- return 0;
- kmsg = ipc_kmsg_queue_first(&port->ip_messages.imq_messages);
- return db_kmsg_queue_print(kmsg);
-}
-
-
-#if MACH_ASSERT
-#include <ddb/db_sym.h>
-#include <ddb/db_access.h>
-
-#define FUNC_NULL ((void (*)) 0)
-#define MAX_REFS 5 /* bins for tracking ref counts */
-
-/*
- * Translate port's cache of call stack pointers
- * into symbolic names.
- */
-void
-db_port_stack_trace(
- ipc_port_t port)
-{
- unsigned int i;
-
- for (i = 0; i < IP_CALLSTACK_MAX; ++i) {
- iprintf("[%d] 0x%x\t", i, port->ip_callstack[i]);
- if (port->ip_callstack[i] != 0 &&
- DB_VALID_KERN_ADDR(port->ip_callstack[i]))
- db_printsym(port->ip_callstack[i], DB_STGY_PROC);
- printf("\n");
- }
-}
-
-
-typedef struct port_item {
- unsigned long item;
- unsigned long count;
-} port_item;
-
-
-#define ITEM_MAX 400
-typedef struct port_track {
- const char *name;
- unsigned long max;
- unsigned long warning;
- port_item items[ITEM_MAX];
-} port_track;
-
-port_track port_callers; /* match against calling addresses */
-port_track port_threads; /* match against allocating threads */
-port_track port_spaces; /* match against ipc spaces */
-
-void port_track_init(
- port_track *trackp,
- const char *name);
-void port_item_add(
- port_track *trackp,
- unsigned long item);
-void port_track_sort(
- port_track *trackp);
-void port_track_print(
- port_track *trackp,
- void (*func)(port_item *));
-void port_callers_print(
- port_item *p);
-
-void
-port_track_init(
- port_track *trackp,
- const char *name)
-{
- port_item *i;
-
- trackp->max = trackp->warning = 0;
- trackp->name = name;
- for (i = trackp->items; i < trackp->items + ITEM_MAX; ++i)
- i->item = i->count = 0;
-}
-
-
-void
-port_item_add(
- port_track *trackp,
- unsigned long item)
-{
- port_item *limit, *i;
-
- limit = trackp->items + trackp->max;
- for (i = trackp->items; i < limit; ++i)
- if (i->item == item) {
- i->count++;
- return;
- }
- if (trackp->max >= ITEM_MAX) {
- if (trackp->warning++ == 0)
- iprintf("%s: no room\n", trackp->name);
- return;
- }
- i->item = item;
- i->count = 1;
- trackp->max++;
-}
-
-
-/*
- * Simple (and slow) bubble sort.
- */
-void
-port_track_sort(
- port_track *trackp)
-{
- port_item *limit, *p;
- port_item temp;
- boolean_t unsorted;
-
- limit = trackp->items + trackp->max - 1;
- do {
- unsorted = FALSE;
- for (p = trackp->items; p < limit - 1; ++p) {
- if (p->count < (p+1)->count) {
- temp = *p;
- *p = *(p+1);
- *(p+1) = temp;
- unsorted = TRUE;
- }
- }
- } while (unsorted == TRUE);
-}
-
-
-void
-port_track_print(
- port_track *trackp,
- void (*func)(port_item *))
-{
- port_item *limit, *p;
-
- limit = trackp->items + trackp->max;
- iprintf("%s:\n", trackp->name);
- for (p = trackp->items; p < limit; ++p) {
- if (func != FUNC_NULL)
- (*func)(p);
- else
- iprintf("0x%x\t%8d\n", p->item, p->count);
- }
-}
-
-
-void
-port_callers_print(
- port_item *p)
-{
- iprintf("0x%x\t%8d\t", p->item, p->count);
- db_printsym(p->item, DB_STGY_PROC);
- printf("\n");
-}
-
-
-/*
- * Show all ports with a given reference count.
- */
-void
-db_ref(
- int refs)
-{
- db_port_walk(1, 1, 1, refs);
-}
-
-
-/*
- * Examine all currently allocated ports.
- * Options:
- * verbose display suspicious ports
- * display print out each port encountered
- * ref_search restrict examination to ports with
- * a specified reference count
- * ref_target reference count for ref_search
- */
-int
-db_port_walk(
- unsigned int verbose,
- unsigned int display,
- unsigned int ref_search,
- unsigned int ref_target)
-{
- ipc_port_t port;
- unsigned int ref_overflow, refs, i, ref_inactive_overflow;
- unsigned int no_receiver, no_match;
- unsigned int ref_counts[MAX_REFS];
- unsigned int inactive[MAX_REFS];
- unsigned int ipc_ports = 0;
-
- iprintf("Allocated port count is %d\n", port_count);
- no_receiver = no_match = ref_overflow = 0;
- ref_inactive_overflow = 0;
- for (i = 0; i < MAX_REFS; ++i) {
- ref_counts[i] = 0;
- inactive[i] = 0;
- }
- port_track_init(&port_callers, "port callers");
- port_track_init(&port_threads, "port threads");
- port_track_init(&port_spaces, "port spaces");
- if (ref_search)
- iprintf("Walking ports of ref_count=%d.\n", ref_target);
- else
- iprintf("Walking all ports.\n");
-
- queue_iterate(&port_alloc_queue, port, ipc_port_t, ip_port_links) {
- const char *port_type;
-
- port_type = " IPC port";
- if (ip_active(port))
- ipc_ports++;
-
- refs = port->ip_references;
- if (ref_search && refs != ref_target)
- continue;
-
- if (refs >= MAX_REFS) {
- if (ip_active(port))
- ++ref_overflow;
- else
- ++ref_inactive_overflow;
- } else {
- if (refs == 0 && verbose)
- iprintf("%s 0x%x has ref count of zero!\n",
- port_type, port);
- if (ip_active(port))
- ref_counts[refs]++;
- else
- inactive[refs]++;
- }
- port_item_add(&port_threads, (unsigned long) port->ip_thread);
- for (i = 0; i < IP_CALLSTACK_MAX; ++i) {
- if (port->ip_callstack[i] != 0 &&
- DB_VALID_KERN_ADDR(port->ip_callstack[i]))
- port_item_add(&port_callers,
- port->ip_callstack[i]);
- }
- if (!ip_active(port)) {
- if (verbose)
- iprintf("%s 0x%x, inactive, refcnt %d\n",
- port_type, port, refs);
- continue;
- }
-
- if (port->ip_receiver_name == MACH_PORT_NULL) {
- iprintf("%s 0x%x, no receiver, refcnt %d\n",
- port, refs);
- ++no_receiver;
- continue;
- }
- if (port->ip_receiver == ipc_space_kernel ||
- port->ip_receiver == ipc_space_reply ||
- ipc_entry_lookup(port->ip_receiver,
- port->ip_receiver_name)
- != IE_NULL) {
- port_item_add(&port_spaces,
- (unsigned long)port->ip_receiver);
- if (display) {
- iprintf( "%s 0x%x time 0x%x ref_cnt %d\n",
- port_type, port,
- port->ip_timetrack, refs);
- }
- continue;
- }
- iprintf("%s 0x%x, rcvr 0x%x, name 0x%x, ref %d, no match\n",
- port_type, port, port->ip_receiver,
- port->ip_receiver_name, refs);
- ++no_match;
- }
- iprintf("Active port type summary:\n");
- iprintf("\tlocal IPC %6d\n", ipc_ports);
- iprintf("summary:\tcallers %d threads %d spaces %d\n",
- port_callers.max, port_threads.max, port_spaces.max);
-
- iprintf("\tref_counts:\n");
- for (i = 0; i < MAX_REFS; ++i)
- iprintf("\t ref_counts[%d] = %d\n", i, ref_counts[i]);
-
- iprintf("\t%d ports w/o receivers, %d w/o matches\n",
- no_receiver, no_match);
-
- iprintf("\tinactives:");
- if ( ref_inactive_overflow || inactive[0] || inactive[1] ||
- inactive[2] || inactive[3] || inactive[4] )
- printf(" [0]=%d [1]=%d [2]=%d [3]=%d [4]=%d [5+]=%d\n",
- inactive[0], inactive[1], inactive[2],
- inactive[3], inactive[4], ref_inactive_overflow);
- else
- printf(" No inactive ports.\n");
-
- port_track_sort(&port_spaces);
- port_track_print(&port_spaces, FUNC_NULL);
- port_track_sort(&port_threads);
- port_track_print(&port_threads, FUNC_NULL);
- port_track_sort(&port_callers);
- port_track_print(&port_callers, port_callers_print);
- return 0;
-}
-
-
-#endif /* MACH_ASSERT */
-
-#endif /* MACH_KDB */
projects / apple / xnu.git / blobdiff