Messages in this thread | | | Date | Fri, 10 Aug 2012 14:37:09 -0600 | From | David Ahern <> | Subject | Re: [PATCH v6 3/3] KVM: perf kvm events analysis tool |
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Thanks for resubmitting this; it was on my to-do list as well.
On 8/9/12 9:19 PM, Dong Hao wrote: > +static bool kvm_events_exist(const char *event) > +{ > + char evt_path[MAXPATHLEN]; > + int fd; > + > + snprintf(evt_path, MAXPATHLEN, "%s/kvm/%s/id", tracing_events_path, > + event); > + > + fd = open(evt_path, O_RDONLY);
Use is_valid_tracepoint().
For consistency, it's worth adding a check for the other events too with an appropriate config message. e.g.,: https://lkml.org/lkml/2012/8/9/359
David
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