On 10/2/13 3:20 AM, Ramkumar Ramachandra wrote:
Hi,All the other perf tooling can be used as a normal user. At one point, I had to touch /proc/sys/kernel/perf_event_paranoid to get me numbers on a PMU event without a symbolic name, but that's about it. perf-trace seems to be the exception though: artagnon|perf-core=:~/src/linux/tools/perf$ perf trace -a -e open Couldn't read the raw_syscalls tracepoints information! The responsible codepath is: if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) || perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) { I don't understand much of what's going on, but what can be done to improve the situation for users?
If you trust your users make the debugfs mount point rx by group,world. David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
