Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 101 insertions, 0 deletions

diff --git a/js/public/friend/UsageStatistics.h b/js/public/friend/UsageStatistics.h
new file mode 100644
index 0000000000..27fea9b1a8
--- /dev/null
+++ b/js/public/friend/UsageStatistics.h
@@ -0,0 +1,101 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* Telemetry and use counter functionality. */
+
+#ifndef js_friend_UsageStatistics_h
+#define js_friend_UsageStatistics_h
+
+#include <stdint.h>  // uint32_t
+
+#include "jstypes.h"  // JS_PUBLIC_API
+
+struct JS_PUBLIC_API JSContext;
+class JS_PUBLIC_API JSObject;
+
+/*
+ * Telemetry reasons passed to the accumulate telemetry callback.
+ *
+ * It's OK for these enum values to change as they will be mapped to a fixed
+ * member of the mozilla::Telemetry::HistogramID enum by the callback.
+ */
+#define FOR_EACH_JS_METRIC(_)                   \
+  _(GC_REASON_2, Enumeration)                   \
+  _(GC_IS_COMPARTMENTAL, Boolean)               \
+  _(GC_ZONE_COUNT, QuantityDistribution)        \
+  _(GC_ZONES_COLLECTED, QuantityDistribution)   \
+  _(GC_MS, TimeDuration_MS)                     \
+  _(GC_BUDGET_MS_2, TimeDuration_MS)            \
+  _(GC_BUDGET_WAS_INCREASED, Boolean)           \
+  _(GC_SLICE_WAS_LONG, Boolean)                 \
+  _(GC_BUDGET_OVERRUN, TimeDuration_US)         \
+  _(GC_ANIMATION_MS, TimeDuration_MS)           \
+  _(GC_MAX_PAUSE_MS_2, TimeDuration_MS)         \
+  _(GC_PREPARE_MS, TimeDuration_MS)             \
+  _(GC_MARK_MS, TimeDuration_MS)                \
+  _(GC_SWEEP_MS, TimeDuration_MS)               \
+  _(GC_COMPACT_MS, TimeDuration_MS)             \
+  _(GC_MARK_ROOTS_US, TimeDuration_US)          \
+  _(GC_MARK_GRAY_MS_2, TimeDuration_MS)         \
+  _(GC_MARK_WEAK_MS, TimeDuration_MS)           \
+  _(GC_SLICE_MS, TimeDuration_MS)               \
+  _(GC_SLOW_PHASE, Enumeration)                 \
+  _(GC_SLOW_TASK, Enumeration)                  \
+  _(GC_MMU_50, Percentage)                      \
+  _(GC_RESET, Boolean)                          \
+  _(GC_RESET_REASON, Enumeration)               \
+  _(GC_NON_INCREMENTAL, Boolean)                \
+  _(GC_NON_INCREMENTAL_REASON, Enumeration)     \
+  _(GC_MINOR_REASON, Enumeration)               \
+  _(GC_MINOR_REASON_LONG, Enumeration)          \
+  _(GC_MINOR_US, TimeDuration_US)               \
+  _(GC_NURSERY_BYTES_2, MemoryDistribution)     \
+  _(GC_PRETENURE_COUNT_2, QuantityDistribution) \
+  _(GC_NURSERY_PROMOTION_RATE, Percentage)      \
+  _(GC_TENURED_SURVIVAL_RATE, Percentage)       \
+  _(GC_MARK_RATE_2, QuantityDistribution)       \
+  _(GC_TIME_BETWEEN_S, TimeDuration_S)          \
+  _(GC_TIME_BETWEEN_SLICES_MS, TimeDuration_MS) \
+  _(GC_SLICE_COUNT, QuantityDistribution)       \
+  _(DESERIALIZE_BYTES, MemoryDistribution)      \
+  _(DESERIALIZE_ITEMS, QuantityDistribution)    \
+  _(DESERIALIZE_US, TimeDuration_US)            \
+  _(GC_EFFECTIVENESS, MemoryDistribution)       \
+  _(GC_PARALLEL_MARK, Boolean)                  \
+  _(GC_PARALLEL_MARK_SPEEDUP, Integer)          \
+  _(GC_PARALLEL_MARK_UTILIZATION, Percentage)   \
+  _(GC_PARALLEL_MARK_INTERRUPTIONS, Integer)    \
+  _(GC_TASK_START_DELAY_US, TimeDuration_US)
+
+// clang-format off
+#define ENUM_DEF(NAME, _) NAME,
+enum class JSMetric {
+  FOR_EACH_JS_METRIC(ENUM_DEF)
+  Count
+};
+#undef ENUM_DEF
+// clang-format on
+
+using JSAccumulateTelemetryDataCallback = void (*)(JSMetric, uint32_t);
+
+extern JS_PUBLIC_API void JS_SetAccumulateTelemetryCallback(
+    JSContext* cx, JSAccumulateTelemetryDataCallback callback);
+
+/*
+ * Use counter names passed to the accumulate use counter callback.
+ *
+ * It's OK to for these enum values to change as they will be mapped to a
+ * fixed member of the mozilla::UseCounter enum by the callback.
+ */
+
+enum class JSUseCounter { ASMJS, WASM, WASM_LEGACY_EXCEPTIONS, LATE_WEEKDAY };
+
+using JSSetUseCounterCallback = void (*)(JSObject*, JSUseCounter);
+
+extern JS_PUBLIC_API void JS_SetSetUseCounterCallback(
+    JSContext* cx, JSSetUseCounterCallback callback);
+
+#endif  // js_friend_UsageStatistics_h