On Thu, Aug 20, 2015 at 02:52:01PM +0100, Matt Fleming wrote:
SNIP
> > The err variable doesn't go down to the add_tracepoint_multi_event()
> > call. It actually stops in parse_events_parse() where
> > parse_events_add_tracepoint is being called using only the idx part of
> > data (util/parse-eve
On Tue, 18 Aug, at 01:45:00PM, Raphaël Beamonte wrote:
>
> debugfs__strerror_open_tp is using that call to form the path:
> snprintf(path, PATH_MAX, "tracing/events/%s/%s", sys, name ?: "*");
>
> Where for add_tracepoint_multi_sys we just need the tracing/events
> part, and for add_tracep
2015-08-18 7:43 GMT-04:00 Matt Fleming :
>> - perror("Can't open event dir");
>> + debugfs__strerror_open(
>> + errno, errbuf, sizeof(errbuf),
>> + evt_path + strlen(debugfs_mountpoint) + 1);
>
> The way the filename is passed seems a
On Sun, 16 Aug, at 09:39:12PM, Raphaël Beamonte wrote:
> If a non-root user tries to specify a trace event and the tracefs
> files can't be read, it will tell about it in a somewhat cryptic
> way and as well say that the tracepoint is unknown, which is
> obvious, since the tracefs files were not re
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