Tag
kernel
- Feb 2, 2024 Automatic NUMA Balancing and Its Failure Modes How the kernel samples faults to discover which node a task is really using, moves pages toward the task, and why the mechanism sometimes makes a workload slower than leaving it alone. memory systems
- Feb 19, 2022 In-Kernel Aggregation: Counting Stacks in a Hash Map Instead of Shipping Them How a kernel-side profiler folds samples into a map before userspace sees them, why that removes the ring buffer from the hot path, and where the map's limits bite. observability