Re: [tip:perfcounters/core] perf_counter: Introduce new (non-)paranoia level to allow raw tracepoint access

Li Zefan
2009-09-03T01:13:13Z

> static inline bool perf_paranoid_cpu(void)
> {
> return sysctl_perf_counter_paranoid > 0;
> @@ -3971,6 +3977,7 @@ static const struct pmu *tp_perf_counter_init(struct perf_counter *counter)
> * have these.
> */
> if ((counter->attr.sample_type & PERF_SAMPLE_RAW) &&
> + && perf_paranoid_tracepoint_raw() &&

"&& &&"

This leads to build failure.

> !capable(CAP_SYS_ADMIN))
> return ERR_PTR(-EPERM);
>