Re: [RFC PATCH v2 00/26] perf tools: Support uBPF script

2016-06-29 Thread pi3orama
发自我的 iPhone > 在 2016年6月29日，下午8:37，Alexei Starovoitov 写道： > >> On Wed, Jun 29, 2016 at 06:35:12PM +0800, Wangnan (F) wrote: >> >> >>> On 2016/6/29 18:15, Hekuang wrote: >>> hi >>> 在 2016/6/28 22:57, Alexei Starovoitov 写道: return 0; } @@ -465,7 +465,7 @@ EXPOR

Re: [RFC PATCH v2 00/26] perf tools: Support uBPF script

2016-06-29 Thread Alexei Starovoitov
On Wed, Jun 29, 2016 at 06:35:12PM +0800, Wangnan (F) wrote: > > > On 2016/6/29 18:15, Hekuang wrote: > >hi > > > >在 2016/6/28 22:57, Alexei Starovoitov 写道: > >> > >> return 0; > >> } > >>@@ -465,7 +465,7 @@ EXPORT_SYMBOL_GPL(__bpf_call_base); > >> * > >> * Decode and execute eBPF in

Re: [RFC PATCH v2 00/26] perf tools: Support uBPF script

2016-06-29 Thread Wangnan (F)
On 2016/6/29 18:15, Hekuang wrote: hi 在 2016/6/28 22:57, Alexei Starovoitov 写道: return 0; } @@ -465,7 +465,7 @@ EXPORT_SYMBOL_GPL(__bpf_call_base); * * Decode and execute eBPF instructions. */ -static unsigned int __bpf_prog_run(void *ctx, const struct bpf_insn *insn) +

Re: [RFC PATCH v2 00/26] perf tools: Support uBPF script

2016-06-29 Thread Hekuang
hi 在 2016/6/28 22:57, Alexei Starovoitov 写道: return 0; } @@ -465,7 +465,7 @@ EXPORT_SYMBOL_GPL(__bpf_call_base); * * Decode and execute eBPF instructions. */ -static unsigned int __bpf_prog_run(void *ctx, const struct bpf_insn *insn) +unsigned int __bpf_prog_run(void *ctx, c

Re: [RFC PATCH v2 00/26] perf tools: Support uBPF script

2016-06-28 Thread Alexei Starovoitov
On Tue, Jun 28, 2016 at 07:47:53PM +0800, Hekuang wrote: > > > 在 2016/6/27 4:48, Alexei Starovoitov 写道: > >On Sun, Jun 26, 2016 at 11:20:52AM +, He Kuang wrote: > >> bounds check just like ubpf library does. > >hmm. I don't think I suggested to hack bpf/core.c into separate file > >and compi

Re: [RFC PATCH v2 00/26] perf tools: Support uBPF script

2016-06-28 Thread Hekuang
在 2016/6/27 4:48, Alexei Starovoitov 写道: On Sun, Jun 26, 2016 at 11:20:52AM +, He Kuang wrote: bounds check just like ubpf library does. hmm. I don't think I suggested to hack bpf/core.c into separate file and compile it for userspace... Maybe I misunderstood your suggestion. Now I ju

Re: [RFC PATCH v2 00/26] perf tools: Support uBPF script

2016-06-26 Thread Hekuang
hi 在 2016/6/27 4:48, Alexei Starovoitov 写道: On Sun, Jun 26, 2016 at 11:20:52AM +, He Kuang wrote: This patchset is based on Wang Nan's v1: http://thread.gmane.org/gmane.linux.kernel/2203717/focus=2203707 """ This patch set allows to perf invoke some user space BPF scripts on so

Re: [RFC PATCH v2 00/26] perf tools: Support uBPF script

2016-06-26 Thread Alexei Starovoitov
On Sun, Jun 26, 2016 at 11:20:52AM +, He Kuang wrote: > This patchset is based on Wang Nan's v1: > http://thread.gmane.org/gmane.linux.kernel/2203717/focus=2203707 > > """ > This patch set allows to perf invoke some user space BPF scripts on > some point. uBPF scripts and kernel BPF