RUM-16039: Upgrade Mach profiler sampler to sample CPU-time#2896

Draft

simaoseica-dd wants to merge 38 commits into

feature/profilingfrom

simaoseica/RUM-16039/cpu-time

Commits on May 21, 2026

RUM-13728: Improve Profiling flush_buffer with new Binary Image resolver
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RUM-13728: Initialize raw frame image metadata to safe defaults
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RUM-13728: Expose new internal APIs using c interface
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RUM-13728: Avoid `filename` allocation on cache hit and miss
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RUM-13728: Compress profiling payload requests
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RUM-13728: Rename ctor_profiler to dd_profiler
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RUM-13728: Prefix `dd_profiler` functions to avoid naming collisions
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RUM-14880: Add clang-tidy linting for C++ sources
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RUM-14880: Fix C++ linting issues
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RUM-14880: Fix clang-tidy resolution to support both Apple Silicon and Intel Homebrew paths
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RUM-14825: Attach `rum-mobile-events` json to the profile API call
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RUM-14825: Move structs to contextualized folder
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RUM-14250: Update app launch profiling to prepare continuous profiling
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RUM-14250: Align sampling decision on operations profiling sample rate and other improvements
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RUM-14250: Remove `SamplingOption`
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RUM-14250: Add distinct message bus messages to vitals
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RUM-14250: Improve code with PR reviews
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RUM-14250: Update DataModels to have profiling schema
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RUM-14250: Create distinct messages for RUM events
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RUM-14250: Continuous profiling for app hangs and long tasks
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RUM-14250: Only one `ContinuousProfiler` is active at a time
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RUM-14250: Send just the start vital attached with the profile
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RUM-14250: `DatadogProfiler` has its own queue and leverages the context message
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RUM-15697: Update rum-mobile-events.json attachment format in DatadogProfiling
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RUM-15513: Add deterministic sampling based on session id to Profiling
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RUM-15513: Fix profiler running when NO RUM decision is shared
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RUM-15513: Add Integration tests
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RUM-15513: Fix "switch must be exhaustive" in Xcode 16
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RUM-15698: Align profiling timestamps with RUM server time offset
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RUM-15698: Align RUM operation profiling timestamps with server offset
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RUM-15698: Make pprof packer agnostic of timestamp labels
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RUM-14251: Add telemetry for custom and continuous profiling
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RUM-14274: Create continuous Benchmarks for custom Profiling
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RUM-14274: Rename benchmark scenario
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RUM-15735: Offload Mach profile aggregation
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RUM-15735: Add profiling aggregation diagnostics telemetry
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RUM-15735: Refine aggregation worker: typed work items, std::function flush, remove recycling
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Commits on May 22, 2026

RUM-16039: Upgrade Mach profiler sampler to sample CPU-time
simaoseica-dd
committed