[RFC][PATCH 00/11] Another stab at PEBS and LBR support

[Peter Zijlstra <a.p.zijlstra@chello.nl>]

Sorta works, the PEBS-LBR-fixup stuff makes my machine unhappy, but I could
have made a silly mistake there..

Can be tested using the below patchlet and something like: perf top -e r00c0p

---
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 05d0c5c..f8314e6 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -656,6 +656,11 @@ parse_raw_event(const char **strp, struct perf_event_attr *attr)
 		return EVT_FAILED;
 	n = hex2u64(str + 1, &config);
 	if (n > 0) {
+		if (str[n+1] == 'p') {
+			attr->precise = 1;
+			printf("precise\n");
+			n++;
+		}
 		*strp = str + n + 1;
 		attr->type = PERF_TYPE_RAW;
 		attr->config = config;