@@ -43,6 +43,8 @@ typedef struct {
static GMutex lock;
static GHashTable *devices;
+static struct qemu_plugin_scoreboard *source_pc_scoreboard;
+static qemu_plugin_u64 source_pc;
/* track the access pattern to a piece of HW */
static bool pattern;
@@ -159,7 +161,7 @@ static DeviceCounts *new_count(const char *name, uint64_t base)
count->name = name;
count->base = base;
if (pattern || source) {
- count->detail = g_hash_table_new(NULL, NULL);
+ count->detail = g_hash_table_new(g_int64_hash, g_int64_equal);
}
g_hash_table_insert(devices, (gpointer) name, count);
return count;
@@ -169,7 +171,7 @@ static IOLocationCounts *new_location(GHashTable *table, uint64_t off_or_pc)
{
IOLocationCounts *loc = g_new0(IOLocationCounts, 1);
loc->off_or_pc = off_or_pc;
- g_hash_table_insert(table, (gpointer) off_or_pc, loc);
+ g_hash_table_insert(table, &loc->off_or_pc, loc);
return loc;
}
@@ -224,12 +226,12 @@ static void vcpu_haddr(unsigned int cpu_index, qemu_plugin_meminfo_t meminfo,
/* either track offsets or source of access */
if (source) {
- off = (uint64_t) udata;
+ off = qemu_plugin_u64_get(source_pc, cpu_index);
}
if (pattern || source) {
IOLocationCounts *io_count = g_hash_table_lookup(counts->detail,
- (gpointer) off);
+ &off);
if (!io_count) {
io_count = new_location(counts->detail, off);
}
@@ -247,10 +249,14 @@ static void vcpu_tb_trans(qemu_plugin_id_t id, struct qemu_plugin_tb *tb)
for (i = 0; i < n; i++) {
struct qemu_plugin_insn *insn = qemu_plugin_tb_get_insn(tb, i);
- gpointer udata = (gpointer) (source ? qemu_plugin_insn_vaddr(insn) : 0);
+ if (source) {
+ uint64_t pc = qemu_plugin_insn_vaddr(insn);
+ qemu_plugin_register_vcpu_mem_inline_per_vcpu(
+ insn, rw, QEMU_PLUGIN_INLINE_STORE_U64,
+ source_pc, pc);
+ }
qemu_plugin_register_vcpu_mem_cb(insn, vcpu_haddr,
- QEMU_PLUGIN_CB_NO_REGS,
- rw, udata);
+ QEMU_PLUGIN_CB_NO_REGS, rw, NULL);
}
}
@@ -306,10 +312,9 @@ int qemu_plugin_install(qemu_plugin_id_t id, const qemu_info_t *info,
return -1;
}
- /* Just warn about overflow */
- if (info->system.smp_vcpus > 64 ||
- info->system.max_vcpus > 64) {
- fprintf(stderr, "hwprofile: can only track up to 64 CPUs\n");
+ if (source) {
+ source_pc_scoreboard = qemu_plugin_scoreboard_new(sizeof(uint64_t));
+ source_pc = qemu_plugin_scoreboard_u64(source_pc_scoreboard);
}
plugin_init();