The open source OpenXR runtime
u/pacing: Add u_var tracking to app pacer
+18
-3
+18
-3
src/xrt/auxiliary/util/u_pacing_app.c
+18
-3
src/xrt/auxiliary/util/u_pacing_app.c
···
9
9
10
10
#include "os/os_time.h"
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11
12
+
#include "util/u_var.h"
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#include "util/u_time.h"
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#include "util/u_misc.h"
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#include "util/u_debug.h"
···
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int64_t frame_counter;
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// Minimum calculated frame (total app time).
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-
double min_app_time_ms;
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+
struct u_var_draggable_f32 min_app_time_ms;
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struct
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{
···
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static uint64_t
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min_app_time(const struct pacing_app *pa)
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{
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-
return (uint64_t)(pa->min_app_time_ms * (double)U_TIME_1MS_IN_NS);
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+
return (uint64_t)(pa->min_app_time_ms.val * (double)U_TIME_1MS_IN_NS);
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}
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static uint64_t
···
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static void
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pa_destroy(struct u_pacing_app *upa)
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{
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+
u_var_remove_root(upa);
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+
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free(upa);
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}
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···
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pa->app.cpu_time_ns = U_TIME_1MS_IN_NS * 2;
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pa->app.draw_time_ns = U_TIME_1MS_IN_NS * 2;
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672
pa->app.margin_ns = U_TIME_1MS_IN_NS * 2;
670
-
pa->min_app_time_ms = debug_get_float_option_min_app_time_ms();
673
+
pa->min_app_time_ms = (struct u_var_draggable_f32){
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+
.val = (float)debug_get_float_option_min_app_time_ms(),
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+
.min = 1.0, // This can never be negative.
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+
.step = 1.0,
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+
.max = +120.0, // There are some really slow applications out there.
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+
};
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for (size_t i = 0; i < ARRAY_SIZE(pa->frames); i++) {
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pa->frames[i].state = U_PA_READY;
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pa->frames[i].frame_id = -1;
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683
}
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+
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+
// U variable tracking.
686
+
u_var_add_root(pa, "App timing info", true);
687
+
u_var_add_draggable_f32(pa, &pa->min_app_time_ms, "Minimum app time(ms)");
688
+
u_var_add_ro_u64(pa, &pa->app.cpu_time_ns, "CPU time(ns)");
689
+
u_var_add_ro_u64(pa, &pa->app.draw_time_ns, "Draw time(ns)");
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+
u_var_add_ro_u64(pa, &pa->app.wait_time_ns, "GPU time(ns)");
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*out_upa = &pa->base;
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693