contrib/plugins/hwprofile: fix 32 bits

Signed-off-by: Pierrick Bouvier <[email protected]>

contrib/plugins/hwprofile.c

@@ -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;
@@ -224,7 +226,7 @@ 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) {
@@ -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 +312,8 @@ 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));
     }
 
     plugin_init();