@@ -35,5 +35,9 @@ AddressSpaceDispatch *address_space_to_dispatch(AddressSpace *as);
AddressSpaceDispatch *flatview_to_dispatch(FlatView *fv);
void address_space_dispatch_free(AddressSpaceDispatch *d);
+void mtree_print_dispatch(fprintf_function mon, void *f,
+ struct AddressSpaceDispatch *d,
+ MemoryRegion *root);
+
#endif
#endif
@@ -1515,7 +1515,8 @@ void memory_global_dirty_log_start(void);
*/
void memory_global_dirty_log_stop(void);
-void mtree_info(fprintf_function mon_printf, void *f, bool flatview);
+void mtree_info(fprintf_function mon_printf, void *f, bool flatview,
+ bool dispatch_tree);
/**
* memory_region_request_mmio_ptr: request a pointer to an mmio
@@ -3616,3 +3616,87 @@ void page_size_init(void)
}
qemu_host_page_mask = -(intptr_t)qemu_host_page_size;
}
+
+#if !defined(CONFIG_USER_ONLY)
+
+static void mtree_print_phys_entries(fprintf_function mon, void *f,
+ int start, int end, int skip, int ptr)
+{
+ if (start == end - 1) {
+ mon(f, "\t%3d ", start);
+ } else {
+ mon(f, "\t%3d..%-3d ", start, end - 1);
+ }
+ mon(f, " skip=%d ", skip);
+ if (ptr == PHYS_MAP_NODE_NIL) {
+ mon(f, " ptr=NIL");
+ } else if (!skip) {
+ mon(f, " ptr=#%d", ptr);
+ } else {
+ mon(f, " ptr=[%d]", ptr);
+ }
+ mon(f, "\n");
+}
+
+#define MR_SIZE(size) (int128_nz(size) ? (hwaddr)int128_get64( \
+ int128_sub((size), int128_one())) : 0)
+
+void mtree_print_dispatch(fprintf_function mon, void *f,
+ AddressSpaceDispatch *d, MemoryRegion *root)
+{
+ int i;
+
+ mon(f, " Dispatch\n");
+ mon(f, " Physical sections\n");
+
+ for (i = 0; i < d->map.sections_nb; ++i) {
+ MemoryRegionSection *s = d->map.sections + i;
+ const char *names[] = { " [unassigned]", " [not dirty]",
+ " [ROM]", " [watch]" };
+
+ mon(f, " #%d @" TARGET_FMT_plx ".." TARGET_FMT_plx " %s%s%s%s%s",
+ i,
+ s->offset_within_address_space,
+ s->offset_within_address_space + MR_SIZE(s->mr->size),
+ s->mr->name ? s->mr->name : "(noname)",
+ i < ARRAY_SIZE(names) ? names[i] : "",
+ s->mr == root ? " [ROOT]" : "",
+ s == d->mru_section ? " [MRU]" : "",
+ s->mr->is_iommu ? " [iommu]" : "");
+
+ if (s->mr->alias) {
+ mon(f, " alias=%s", s->mr->alias->name ?
+ s->mr->alias->name : "noname");
+ }
+ mon(f, "\n");
+ }
+
+ mon(f, " Nodes (%d bits per level, %d levels) ptr=[%d] skip=%d\n",
+ P_L2_BITS, P_L2_LEVELS, d->phys_map.ptr, d->phys_map.skip);
+ for (i = 0; i < d->map.nodes_nb; ++i) {
+ int j, jprev;
+ PhysPageEntry prev;
+ Node *n = d->map.nodes + i;
+
+ mon(f, " [%d]\n", i);
+
+ for (j = 0, jprev = 0, prev = *n[0]; j < ARRAY_SIZE(*n); ++j) {
+ PhysPageEntry *pe = *n + j;
+
+ if (pe->ptr == prev.ptr && pe->skip == prev.skip) {
+ continue;
+ }
+
+ mtree_print_phys_entries(mon, f, jprev, j, prev.skip, prev.ptr);
+
+ jprev = j;
+ prev = *pe;
+ }
+
+ if (jprev != ARRAY_SIZE(*n)) {
+ mtree_print_phys_entries(mon, f, jprev, j, prev.skip, prev.ptr);
+ }
+ }
+}
+
+#endif
@@ -2902,18 +2902,44 @@ static void mtree_print_mr(fprintf_function mon_printf, void *f,
}
}
-static void mtree_print_flatview(fprintf_function p, void *f,
- AddressSpace *as)
+struct FlatViewInfo {
+ fprintf_function mon_printf;
+ void *f;
+ int counter;
+ bool dispatch_tree;
+};
+
+static void mtree_print_flatview(gpointer key, gpointer value,
+ gpointer user_data)
{
- FlatView *view = address_space_get_flatview(as);
+ FlatView *view = key;
+ GArray *fv_address_spaces = value;
+ struct FlatViewInfo *fvi = user_data;
+ fprintf_function p = fvi->mon_printf;
+ void *f = fvi->f;
FlatRange *range = &view->ranges[0];
MemoryRegion *mr;
int n = view->nr;
+ int i;
+ AddressSpace *as;
+
+ p(f, "FlatView #%d\n", fvi->counter);
+ ++fvi->counter;
+
+ for (i = 0; i < fv_address_spaces->len; ++i) {
+ as = g_array_index(fv_address_spaces, AddressSpace*, i);
+ p(f, " AS \"%s\", root: %s", as->name, memory_region_name(as->root));
+ if (as->root->alias) {
+ p(f, ", alias %s", memory_region_name(as->root->alias));
+ }
+ p(f, "\n");
+ }
+
+ p(f, " Root memory region: %s\n",
+ view->root ? memory_region_name(view->root) : "(none)");
if (n <= 0) {
- p(f, MTREE_INDENT "No rendered FlatView for "
- "address space '%s'\n", as->name);
- flatview_unref(view);
+ p(f, MTREE_INDENT "No rendered FlatView\n\n");
return;
}
@@ -2940,21 +2966,65 @@ static void mtree_print_flatview(fprintf_function p, void *f,
range++;
}
+#if !defined(CONFIG_USER_ONLY)
+ if (fvi->dispatch_tree && view->root) {
+ mtree_print_dispatch(p, f, view->dispatch, view->root);
+ }
+#endif
+
+ p(f, "\n");
+}
+
+static gboolean mtree_info_flatview_free(gpointer key, gpointer value,
+ gpointer user_data)
+{
+ FlatView *view = key;
+ GArray *fv_address_spaces = value;
+
+ g_array_unref(fv_address_spaces);
flatview_unref(view);
+
+ return true;
}
-void mtree_info(fprintf_function mon_printf, void *f, bool flatview)
+void mtree_info(fprintf_function mon_printf, void *f, bool flatview,
+ bool dispatch_tree)
{
MemoryRegionListHead ml_head;
MemoryRegionList *ml, *ml2;
AddressSpace *as;
if (flatview) {
+ FlatView *view;
+ struct FlatViewInfo fvi = {
+ .mon_printf = mon_printf,
+ .f = f,
+ .counter = 0,
+ .dispatch_tree = dispatch_tree
+ };
+ GArray *fv_address_spaces;
+ GHashTable *views = g_hash_table_new(g_direct_hash, g_direct_equal);
+
+ /* Gather all FVs in one table */
QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
- mon_printf(f, "address-space (flat view): %s\n", as->name);
- mtree_print_flatview(mon_printf, f, as);
- mon_printf(f, "\n");
+ view = address_space_get_flatview(as);
+
+ fv_address_spaces = g_hash_table_lookup(views, view);
+ if (!fv_address_spaces) {
+ fv_address_spaces = g_array_new(false, false, sizeof(as));
+ g_hash_table_insert(views, view, fv_address_spaces);
+ }
+
+ g_array_append_val(fv_address_spaces, as);
}
+
+ /* Print */
+ g_hash_table_foreach(views, mtree_print_flatview, &fvi);
+
+ /* Free */
+ g_hash_table_foreach_remove(views, mtree_info_flatview_free, 0);
+ g_hash_table_unref(views);
+
return;
}
@@ -1703,8 +1703,9 @@ static void hmp_boot_set(Monitor *mon, const QDict *qdict)
static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
{
bool flatview = qdict_get_try_bool(qdict, "flatview", false);
+ bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false);
- mtree_info((fprintf_function)monitor_printf, mon, flatview);
+ mtree_info((fprintf_function)monitor_printf, mon, flatview, dispatch_tree);
}
static void hmp_info_numa(Monitor *mon, const QDict *qdict)
@@ -250,9 +250,10 @@ ETEXI
{
.name = "mtree",
- .args_type = "flatview:-f",
- .params = "[-f]",
- .help = "show memory tree (-f: dump flat view for address spaces)",
+ .args_type = "flatview:-f,dispatch_tree:-d",
+ .params = "[-f][-d]",
+ .help = "show memory tree (-f: dump flat view for address spaces;"
+ "-d: dump dispatch tree, valid with -f only)",
.cmd = hmp_info_mtree,
},
This adds a new "-d" switch to "info mtree" to print dispatch tree internals. This changes the way "-f" is handled - it prints now flat views and associated address spaces. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> --- Changes: v3: * reimplemented as there is no more global FlatView list --- Example for a suspended (-S) guest with 8 CPUs, 1 XHCI, 1 virtio, 1 E1000: aik@fstn1-p1:~$ echo "info mtree -f -d" | nc localhost 30000 QEMU 2.10.50 monitor - type 'help' for more information (qemu) info mtree -f -d FlatView #0 AS "pci@800000020000000", root: pci@800000020000000.iommu-root Root memory region: pci@800000020000000.iommu-root 0000000000000000-000000003fffffff (prio 0, i/o): tce-iommu-80000000 0000040000000000-000004000000ffff (prio 0, i/o): msi Dispatch Physical sections #0 @0000000000000000..ffffffffffffffff (noname) [unassigned] #1 @0000000000000000..ffffffffffffffff (noname) [not dirty] #2 @0000000000000000..ffffffffffffffff (noname) [ROM] #3 @0000000000000000..ffffffffffffffff (noname) [watch] #4 @0000000000000000..000000003fffffff tce-iommu-80000000 [iommu] #5 @0000040000000000..000004000000ffff msi Nodes (9 bits per level, 6 levels) ptr=[2] skip=3 [0] 0 skip=2 ptr=[2] 1..511 skip=1 ptr=NIL [1] 0 skip=1 ptr=[2] 1..511 skip=1 ptr=NIL [2] 0 skip=0 ptr=#4 1..7 skip=1 ptr=NIL 8 skip=3 ptr=[6] 9..511 skip=1 ptr=NIL [3] 0 skip=0 ptr=#4 1..511 skip=1 ptr=NIL [4] 0 skip=2 ptr=[6] 1..511 skip=1 ptr=NIL [5] 0 skip=1 ptr=[6] 1..511 skip=1 ptr=NIL [6] 0..15 skip=0 ptr=#5 16..511 skip=0 ptr=#0 FlatView #1 AS "I/O", root: io Root memory region: io 0000000000000000-000000000000ffff (prio 0, i/o): io Dispatch Physical sections #0 @0000000000000000..ffffffffffffffff (noname) [unassigned] #1 @0000000000000000..ffffffffffffffff (noname) [not dirty] #2 @0000000000000000..ffffffffffffffff (noname) [ROM] #3 @0000000000000000..ffffffffffffffff (noname) [watch] #4 @0000000000000000..000000000000ffff io [ROOT] Nodes (9 bits per level, 6 levels) ptr=[5] skip=6 [0] 0 skip=5 ptr=[5] 1..511 skip=1 ptr=NIL [1] 0 skip=4 ptr=[5] 1..511 skip=1 ptr=NIL [2] 0 skip=3 ptr=[5] 1..511 skip=1 ptr=NIL [3] 0 skip=2 ptr=[5] 1..511 skip=1 ptr=NIL [4] 0 skip=1 ptr=[5] 1..511 skip=1 ptr=NIL [5] 0..15 skip=0 ptr=#4 16..511 skip=0 ptr=#0 FlatView #2 AS "memory", root: system AS "cpu-memory", root: system AS "cpu-memory", root: system AS "cpu-memory", root: system AS "cpu-memory", root: system AS "cpu-memory", root: system AS "cpu-memory", root: system AS "cpu-memory", root: system AS "cpu-memory", root: system Root memory region: system 0000000000000000-000000007fffffff (prio 0, ram): ppc_spapr.ram Dispatch Physical sections #0 @0000000000000000..ffffffffffffffff (noname) [unassigned] #1 @0000000000000000..ffffffffffffffff (noname) [not dirty] #2 @0000000000000000..ffffffffffffffff (noname) [ROM] #3 @0000000000000000..ffffffffffffffff (noname) [watch] #4 @0000000000000000..000000007fffffff ppc_spapr.ram [MRU] Nodes (9 bits per level, 6 levels) ptr=[3] skip=4 [0] 0 skip=3 ptr=[3] 1..511 skip=1 ptr=NIL [1] 0 skip=2 ptr=[3] 1..511 skip=1 ptr=NIL [2] 0 skip=1 ptr=[3] 1..511 skip=1 ptr=NIL [3] 0..1 skip=0 ptr=#4 2..511 skip=1 ptr=NIL FlatView #3 AS "virtio-net-pci", root: bus master container AS "e1000", root: bus master container AS "nec-usb-xhci", root: bus master container Root memory region: (none) No rendered FlatView FlatView #4 AS "virtio-pci-cfg-as", root: virtio-pci-cfg, alias virtio-pci Root memory region: virtio-pci 0000000000000000-0000000000000fff (prio 0, i/o): virtio-pci-common 0000000000001000-0000000000001fff (prio 0, i/o): virtio-pci-isr 0000000000002000-0000000000002fff (prio 0, i/o): virtio-pci-device 0000000000003000-0000000000003fff (prio 0, i/o): virtio-pci-notify Dispatch Physical sections #0 @0000000000000000..ffffffffffffffff (noname) [unassigned] #1 @0000000000000000..ffffffffffffffff (noname) [not dirty] #2 @0000000000000000..ffffffffffffffff (noname) [ROM] #3 @0000000000000000..ffffffffffffffff (noname) [watch] #4 @0000000000000000..0000000000000fff virtio-pci-common #5 @0000000000001000..0000000000001fff virtio-pci-isr #6 @0000000000002000..0000000000002fff virtio-pci-device #7 @0000000000003000..0000000000003fff virtio-pci-notify Nodes (9 bits per level, 6 levels) ptr=[5] skip=6 [0] 0 skip=5 ptr=[5] 1..511 skip=1 ptr=NIL [1] 0 skip=4 ptr=[5] 1..511 skip=1 ptr=NIL [2] 0 skip=3 ptr=[5] 1..511 skip=1 ptr=NIL [3] 0 skip=2 ptr=[5] 1..511 skip=1 ptr=NIL [4] 0 skip=1 ptr=[5] 1..511 skip=1 ptr=NIL [5] 0 skip=0 ptr=#4 1 skip=0 ptr=#5 2 skip=0 ptr=#6 3 skip=0 ptr=#7 4..511 skip=0 ptr=#0 (qemu) --- include/exec/memory-internal.h | 4 ++ include/exec/memory.h | 3 +- exec.c | 84 +++++++++++++++++++++++++++++++++++++++ memory.c | 90 +++++++++++++++++++++++++++++++++++++----- monitor.c | 3 +- hmp-commands-info.hx | 7 ++-- 6 files changed, 176 insertions(+), 15 deletions(-)