On 10/22/13 8:34 AM, Adrian Hunter wrote:
+static int process_attr(struct perf_tool *tool, union perf_event *event,
+ struct perf_evlist **pevlist)
+{
+ struct perf_script *scr = container_of(tool, struct perf_script, tool);
+ struct perf_evlist *evlist;
+ struct perf_evsel *evsel, *pos;
+ int err;
+
+ err = perf_event__process_attr(tool, event, pevlist);
+ if (err)
+ return err;
+
+ evlist = *pevlist;
+ evsel = perf_evlist__last(*pevlist);
This assumes new entries are added to the end of evlist in
perf_event__process_attr. Would be better to change it to return the
newly created evsel so you don't need to look it up after adding it.
+
+ if (evsel->attr.type >= PERF_TYPE_MAX)
+ return 0;
+
+ list_for_each_entry(pos, &evlist->entries, node) {
+ if (pos->attr.type == evsel->attr.type && pos != evsel)
+ return 0;
+ }
What's the point of this loop?
David
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