On Sun, Oct 25, 2015 at 09:23:36AM -0700, Alexei Starovoitov wrote: > bpf_perf_event_read() muxes of -EINVAL into return value, but it's non > ambiguous to the program whether it got an error or real counter value.
How can that be, the (u64)-EINVAL value is a valid counter value.. unlikely maybe, but still quite possible. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html