Re: [PATCH v3] tracing/kprobes: expose maxactive for kretprobe in kprobe_events

2017-04-04 Thread Steven Rostedt
On Tue, 4 Apr 2017 20:24:59 +0900 Masami Hiramatsu wrote: > On Mon, 3 Apr 2017 12:36:22 +0200 > Alban Crequy wrote: > > > From: Alban Crequy > > > > When a kretprobe is installed on a kernel function, there is a maximum > >

Re: [PATCH v3] tracing/kprobes: expose maxactive for kretprobe in kprobe_events

2017-04-04 Thread Masami Hiramatsu
On Mon, 3 Apr 2017 12:36:22 +0200 Alban Crequy wrote: > From: Alban Crequy > > When a kretprobe is installed on a kernel function, there is a maximum > limit of how many calls in parallel it can catch (aka "maxactive"). A > kernel module could call

[PATCH v3] tracing/kprobes: expose maxactive for kretprobe in kprobe_events

2017-04-03 Thread Alban Crequy
From: Alban Crequy When a kretprobe is installed on a kernel function, there is a maximum limit of how many calls in parallel it can catch (aka "maxactive"). A kernel module could call register_kretprobe() and initialize maxactive (see example in