#include "hud/hud_private.h"
#include "os/os_time.h"
+#include "os/os_thread.h"
#include "util/u_memory.h"
#include <stdio.h>
#include <inttypes.h>
return i;
}
+
+struct thread_info {
+ int64_t last_time;
+ int64_t last_thread_time;
+};
+
+static void
+query_api_thread_busy_status(struct hud_graph *gr)
+{
+ struct thread_info *info = gr->query_data;
+ int64_t now = os_time_get_nano();
+
+ if (info->last_time) {
+ if (info->last_time + gr->pane->period*1000 <= now) {
+ int64_t thread_now = pipe_current_thread_get_time_nano();
+ unsigned percent = (thread_now - info->last_thread_time) * 100 /
+ (now - info->last_time);
+
+ /* Check if the context changed a thread, so that we don't show
+ * a random value. When a thread is changed, the new thread clock
+ * is different, which can result in "percent" being very high.
+ */
+ if (percent > 100)
+ percent = 0;
+ hud_graph_add_value(gr, percent);
+
+ info->last_thread_time = thread_now;
+ info->last_time = now;
+ }
+ } else {
+ /* initialize */
+ info->last_time = now;
+ info->last_thread_time = pipe_current_thread_get_time_nano();
+ }
+}
+
+void
+hud_api_thread_busy_install(struct hud_pane *pane)
+{
+ struct hud_graph *gr;
+
+ gr = CALLOC_STRUCT(hud_graph);
+ if (!gr)
+ return;
+
+ strcpy(gr->name, "API-thread-busy");
+
+ gr->query_data = CALLOC_STRUCT(thread_info);
+ if (!gr->query_data) {
+ FREE(gr);
+ return;
+ }
+
+ gr->query_new_value = query_api_thread_busy_status;
+
+ /* Don't use free() as our callback as that messes up Gallium's
+ * memory debugger. Use simple free_query_data() wrapper.
+ */
+ gr->free_query_data = free_query_data;
+
+ hud_pane_add_graph(pane, gr);
+ hud_pane_set_max_value(pane, 100);
+}