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wsstrace

wsstrace traces the working set size of arbitrary applications. Unlike existing WSS-tracing tools, which trace a single PID, wsstrace traces an entire application, following each of its forks.

Requirements

wsstrace is only supported on Linux 4.3+ due its reliance on procfs, ptrace, and the idle page tracking feature. Note that the idle page tracking feature must be enabled in the kernel and additionally requires the CAP_SYS_ADMIN capability in order to be used.

Quick Start

# Install
cargo install --path .

# Trace application
sudo wsstrace -- echo "hello"

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