1. Config LEDE/OpenWRT with CONFIG_PACKAGE_perf=y CONFIG_KERNEL_PERF_EVENTS=y 2. Add dynamic probe with external modules [crayon-60f992c827d81758168434/] 3. Perf Recording [crayon-60f992c827d8830944447 … 閱讀全文 Perf tracing wireless driver on LEDE/OpenWRT