Re: [RFC PATCH v3 0/2] Make eBPF programs output data to perf event

2015-07-07 Thread Alexei Starovoitov
On 7/7/15 4:43 AM, He Kuang wrote: Hi, The two previous versions tried to combine bpf output data with the sample event of the attached kprobe point, which leads to problems about perf_trace_buf. After discussion we found it's not necessary to combine those two parts of information, even we do

[RFC PATCH v3 0/2] Make eBPF programs output data to perf event

2015-07-07 Thread He Kuang
Hi, The two previous versions tried to combine bpf output data with the sample event of the attached kprobe point, which leads to problems about perf_trace_buf. After discussion we found it's not necessary to combine those two parts of information, even we do not need the orignial kprobe output

[RFC PATCH v3 0/2] Make eBPF programs output data to perf event

2015-07-07 Thread He Kuang
Hi, The two previous versions tried to combine bpf output data with the sample event of the attached kprobe point, which leads to problems about perf_trace_buf. After discussion we found it's not necessary to combine those two parts of information, even we do not need the orignial kprobe output

Re: [RFC PATCH v3 0/2] Make eBPF programs output data to perf event

2015-07-07 Thread Alexei Starovoitov
On 7/7/15 4:43 AM, He Kuang wrote: Hi, The two previous versions tried to combine bpf output data with the sample event of the attached kprobe point, which leads to problems about perf_trace_buf. After discussion we found it's not necessary to combine those two parts of information, even we do