Re: [PATCH V4 1/1] bpf: control events stored in PERF_EVENT_ARRAY maps trace data output when perf sampling

于 2015/10/20 10:14, Alexei Starovoitov 写道: > On 10/19/15 3:37 AM, Kaixu Xia wrote: >> +/* flags for PERF_EVENT_ARRAY maps*/ >> +enum { >> +BPF_EVENT_CTL_BIT_CUR = 0, >> +BPF_EVENT_CTL_BIT_ALL = 1, >> +__NR_BPF_EVENT_CTL_BITS, >> +}; >> + >> +#defineBPF_CTL_BIT_FLAG_MASK \ >> +

Re: [PATCH V4 1/1] bpf: control events stored in PERF_EVENT_ARRAY maps trace data output when perf sampling

On 10/19/15 3:37 AM, Kaixu Xia wrote: +/* flags for PERF_EVENT_ARRAY maps*/ +enum { + BPF_EVENT_CTL_BIT_CUR = 0, + BPF_EVENT_CTL_BIT_ALL = 1, + __NR_BPF_EVENT_CTL_BITS, +}; + +#defineBPF_CTL_BIT_FLAG_MASK \ + ((1ULL << __NR_BPF_EVENT_CTL_BITS) - 1) +#define

Re: [PATCH V4 1/1] bpf: control events stored in PERF_EVENT_ARRAY maps trace data output when perf sampling

于 2015/10/20 10:14, Alexei Starovoitov 写道: > On 10/19/15 3:37 AM, Kaixu Xia wrote: >> +/* flags for PERF_EVENT_ARRAY maps*/ >> +enum { >> +BPF_EVENT_CTL_BIT_CUR = 0, >> +BPF_EVENT_CTL_BIT_ALL = 1, >> +__NR_BPF_EVENT_CTL_BITS, >> +}; >> + >> +#defineBPF_CTL_BIT_FLAG_MASK \ >> +

Re: [PATCH V4 1/1] bpf: control events stored in PERF_EVENT_ARRAY maps trace data output when perf sampling

On 10/19/15 3:37 AM, Kaixu Xia wrote: +/* flags for PERF_EVENT_ARRAY maps*/ +enum { + BPF_EVENT_CTL_BIT_CUR = 0, + BPF_EVENT_CTL_BIT_ALL = 1, + __NR_BPF_EVENT_CTL_BITS, +}; + +#defineBPF_CTL_BIT_FLAG_MASK \ + ((1ULL << __NR_BPF_EVENT_CTL_BITS) - 1) +#define