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Diffstat (limited to 'js/public/friend/UsageStatistics.h')
| -rw-r--r-- | js/public/friend/UsageStatistics.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/js/public/friend/UsageStatistics.h b/js/public/friend/UsageStatistics.h new file mode 100644 index 0000000000..0c23b0128f --- /dev/null +++ b/js/public/friend/UsageStatistics.h @@ -0,0 +1,100 @@ +/* -*- 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_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 }; + +using JSSetUseCounterCallback = void (*)(JSObject*, JSUseCounter); + +extern JS_PUBLIC_API void JS_SetSetUseCounterCallback( + JSContext* cx, JSSetUseCounterCallback callback); + +#endif // js_friend_UsageStatistics_h |