Merge tag 'q800-for-8.2-pull-request' of https://github.com/vivier/qemu-m68k into...

[mirror_qemu.git] / trace / control.c

diff --git a/trace/control.c b/trace/control.c
index 4be38e1af28dbf2c715532dde5c60cb9fd4ef834..ef107829ac00ebfb90c01b2677a27aae33c7e841 100644 (file)
--- a/trace/control.c
+++ b/trace/control.c
@@ -68,20 +68,14 @@ void trace_event_register_group(TraceEvent **events)
     size_t i;
     for (i = 0; events[i] != NULL; i++) {
         events[i]->id = next_id++;
-        if (events[i]->vcpu_id == TRACE_VCPU_EVENT_NONE) {
-            continue;
-        }
-
-        if (likely(next_vcpu_id < CPU_TRACE_DSTATE_MAX_EVENTS)) {
-            events[i]->vcpu_id = next_vcpu_id++;
-        } else {
-            warn_report("too many vcpu trace events; dropping '%s'",
-                        events[i]->name);
-        }
     }
     event_groups = g_renew(TraceEventGroup, event_groups, nevent_groups + 1);
     event_groups[nevent_groups].events = events;
     nevent_groups++;
+
+#ifdef CONFIG_TRACE_SIMPLE
+    st_init_group(nevent_groups - 1);
+#endif
 }
 
 
@@ -91,7 +85,7 @@ TraceEvent *trace_event_name(const char *name)
 
     TraceEventIter iter;
     TraceEvent *ev;
-    trace_event_iter_init(&iter, NULL);
+    trace_event_iter_init_all(&iter);
     while ((ev = trace_event_iter_next(&iter)) != NULL) {
         if (strcmp(trace_event_get_name(ev), name) == 0) {
             return ev;
@@ -100,27 +94,46 @@ TraceEvent *trace_event_name(const char *name)
     return NULL;
 }
 
-void trace_event_iter_init(TraceEventIter *iter, const char *pattern)
+void trace_event_iter_init_all(TraceEventIter *iter)
 {
     iter->event = 0;
     iter->group = 0;
+    iter->group_id = -1;
+    iter->pattern = NULL;
+}
+
+void trace_event_iter_init_pattern(TraceEventIter *iter, const char *pattern)
+{
+    trace_event_iter_init_all(iter);
     iter->pattern = pattern;
 }
 
+void trace_event_iter_init_group(TraceEventIter *iter, size_t group_id)
+{
+    trace_event_iter_init_all(iter);
+    iter->group_id = group_id;
+}
+
 TraceEvent *trace_event_iter_next(TraceEventIter *iter)
 {
     while (iter->group < nevent_groups &&
            event_groups[iter->group].events[iter->event] != NULL) {
         TraceEvent *ev = event_groups[iter->group].events[iter->event];
+        size_t group = iter->group;
         iter->event++;
         if (event_groups[iter->group].events[iter->event] == NULL) {
             iter->event = 0;
             iter->group++;
         }
-        if (!iter->pattern ||
-            g_pattern_match_simple(iter->pattern, trace_event_get_name(ev))) {
-            return ev;
+        if (iter->pattern &&
+            !g_pattern_match_simple(iter->pattern, trace_event_get_name(ev))) {
+            continue;
+        }
+        if (iter->group_id != -1 &&
+            iter->group_id != group) {
+            continue;
         }
+        return ev;
     }
 
     return NULL;
@@ -130,7 +143,7 @@ void trace_list_events(FILE *f)
 {
     TraceEventIter iter;
     TraceEvent *ev;
-    trace_event_iter_init(&iter, NULL);
+    trace_event_iter_init_all(&iter);
     while ((ev = trace_event_iter_next(&iter)) != NULL) {
         fprintf(f, "%s\n", trace_event_get_name(ev));
     }
@@ -138,7 +151,7 @@ void trace_list_events(FILE *f)
     fprintf(f, "This list of names of trace points may be incomplete "
                "when using the DTrace/SystemTap backends.\n"
                "Run 'qemu-trace-stap list %s' to print the full list.\n",
-            error_get_progname());
+            g_get_prgname());
 #endif
 }
 
@@ -150,7 +163,7 @@ static void do_trace_enable_events(const char *line_buf)
     TraceEvent *ev;
     bool is_pattern = trace_event_is_pattern(line_ptr);
 
-    trace_event_iter_init(&iter, line_ptr);
+    trace_event_iter_init_pattern(&iter, line_ptr);
     while ((ev = trace_event_iter_next(&iter)) != NULL) {
         if (!trace_event_get_state_static(ev)) {
             if (!is_pattern) {
@@ -249,24 +262,6 @@ void trace_init_file(void)
 #endif
 }
 
-void trace_fini_vcpu(CPUState *vcpu)
-{
-    TraceEventIter iter;
-    TraceEvent *ev;
-
-    trace_guest_cpu_exit(vcpu);
-
-    trace_event_iter_init(&iter, NULL);
-    while ((ev = trace_event_iter_next(&iter)) != NULL) {
-        if (trace_event_is_vcpu(ev) &&
-            trace_event_get_state_static(ev) &&
-            trace_event_get_vcpu_state_dynamic(vcpu, ev)) {
-            /* must disable to affect the global counter */
-            trace_event_set_vcpu_state_dynamic(vcpu, ev, false);
-        }
-    }
-}
-
 bool trace_init_backends(void)
 {
 #ifdef CONFIG_TRACE_SIMPLE
@@ -290,10 +285,10 @@ bool trace_init_backends(void)
     return true;
 }
 
-void trace_opt_parse(const char *optarg)
+void trace_opt_parse(const char *optstr)
 {
     QemuOpts *opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
-                                             optarg, true);
+                                             optstr, true);
     if (!opts) {
         exit(1);
     }