Re: [PATCH] selftests/ftrace: Add a testcase for many kprobe events

On 05/25/2017 10:44 PM, Masami Hiramatsu wrote: > Add a testcase to test kprobes via ftrace interface > with many concurrent kprobe events. > > This tries to add many kprobe events (up to 256) on > kernel functions. To avoid making ftrace-based > kprobes (kprobes on fentry), it skips first N bytes

[PATCH] selftests/ftrace: Add a testcase for many kprobe events

Add a testcase to test kprobes via ftrace interface with many concurrent kprobe events. This tries to add many kprobe events (up to 256) on kernel functions. To avoid making ftrace-based kprobes (kprobes on fentry), it skips first N bytes (on x86 N=5, on ppc or arm N=4) of function entry. After th