forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
701 B
39 lines
701 B
#!/bin/bash |
|
|
|
TR=/sys/kernel/debug/tracing/ |
|
clear_trace() { # reset trace output |
|
echo > $TR/trace |
|
} |
|
|
|
disable_tracing() { # stop trace recording |
|
echo 0 > $TR/tracing_on |
|
} |
|
|
|
enable_tracing() { # start trace recording |
|
echo 1 > $TR/tracing_on |
|
} |
|
|
|
reset_tracer() { # reset the current tracer |
|
echo nop > $TR/current_tracer |
|
} |
|
|
|
disable_tracing |
|
clear_trace |
|
|
|
echo "" > $TR/set_ftrace_filter |
|
echo '*printk* *console* *wake* *serial* *lock*' > $TR/set_ftrace_notrace |
|
|
|
echo "bpf_prog_test*" > $TR/set_graph_function |
|
echo "" > $TR/set_graph_notrace |
|
|
|
echo function_graph > $TR/current_tracer |
|
|
|
enable_tracing |
|
./test_progs -t fentry |
|
./test_progs -t fexit |
|
disable_tracing |
|
clear_trace |
|
|
|
reset_tracer |
|
|
|
exit 0
|
|
|