Messages in this thread | | | Date | Tue, 21 May 2013 16:19:03 -0600 | From | Jonathan Corbet <> | Subject | Re: [ANNOUNCE] ktap 0.1 released |
| |
On Tue, 21 May 2013 11:56:14 +0800 "zhangwei(Jovi)" <jovi.zhangwei@huawei.com> wrote:
> we welcome bug reports and fixes for the issues.
I'm messing with it...first impression:
unable create tracepoint event sys_enter_mmap on cpu 4, err: -19 unable create tracepoint event sys_enter_mmap on cpu 5, err: -19 unable create tracepoint event sys_enter_mmap on cpu 6, err: -19 unable create tracepoint event sys_enter_mmap on cpu 7, err: -19 [...]
Unsurprising, this is a four-core system. The code reads:
> for_each_possible_cpu(cpu) > enable_tracepoint_on_cpu(cpu, &attr, call, arg, type);
Maybe that needs to be for_each_online_cpu() instead?
jon
| |