162306a36Sopenharmony_ci#!/bin/bash 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciif [[ -e /sys/kernel/tracing/trace ]]; then 462306a36Sopenharmony_ci TR=/sys/kernel/tracing/ 562306a36Sopenharmony_cielse 662306a36Sopenharmony_ci TR=/sys/kernel/debug/tracing/ 762306a36Sopenharmony_cifi 862306a36Sopenharmony_ci 962306a36Sopenharmony_ciclear_trace() { # reset trace output 1062306a36Sopenharmony_ci echo > $TR/trace 1162306a36Sopenharmony_ci} 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_cidisable_tracing() { # stop trace recording 1462306a36Sopenharmony_ci echo 0 > $TR/tracing_on 1562306a36Sopenharmony_ci} 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_cienable_tracing() { # start trace recording 1862306a36Sopenharmony_ci echo 1 > $TR/tracing_on 1962306a36Sopenharmony_ci} 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_cireset_tracer() { # reset the current tracer 2262306a36Sopenharmony_ci echo nop > $TR/current_tracer 2362306a36Sopenharmony_ci} 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_cidisable_tracing 2662306a36Sopenharmony_ciclear_trace 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ciecho "" > $TR/set_ftrace_filter 2962306a36Sopenharmony_ciecho '*printk* *console* *wake* *serial* *lock*' > $TR/set_ftrace_notrace 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ciecho "bpf_prog_test*" > $TR/set_graph_function 3262306a36Sopenharmony_ciecho "" > $TR/set_graph_notrace 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ciecho function_graph > $TR/current_tracer 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_cienable_tracing 3762306a36Sopenharmony_ci./test_progs -t fentry 3862306a36Sopenharmony_ci./test_progs -t fexit 3962306a36Sopenharmony_cidisable_tracing 4062306a36Sopenharmony_ciclear_trace 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_cireset_tracer 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ciexit 0 45