1 files changed, 26 insertions, 8 deletions

diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 4a7bdc713bab..1ea7c92e6e33 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -74,10 +74,7 @@ struct perf_evsel {
                 off_t           id_offset;
         };
         struct cgroup_sel       *cgrp;
-        struct {
-                void            *func;
-                void            *data;
-        } handler;
+        void                    *handler;
         struct cpu_map          *cpus;
         unsigned int            sample_size;
         int                     id_pos;
@@ -99,8 +96,19 @@ struct thread_map;
 struct perf_evlist;
 struct perf_record_opts;
 
-struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
-struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx);
+struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
+
+static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
+{
+        return perf_evsel__new_idx(attr, 0);
+}
+
+struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
+
+static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name)
+{
+        return perf_evsel__newtp_idx(sys, name, 0);
+}
 
 struct event_format *event_format__new(const char *sys, const char *name);
 
@@ -197,6 +205,12 @@ static inline bool perf_evsel__match2(struct perf_evsel *e1,
                (e1->attr.config == e2->attr.config);
 }
 
+#define perf_evsel__cmp(a, b)                   \
+        ((a) &&                                 \
+         (b) &&                                 \
+         (a)->attr.type == (b)->attr.type &&    \
+         (a)->attr.config == (b)->attr.config)
+
 int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
                               int cpu, int thread, bool scale);
 
@@ -265,6 +279,11 @@ static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
         return list_entry(evsel->node.next, struct perf_evsel, node);
 }
 
+static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)
+{
+        return list_entry(evsel->node.prev, struct perf_evsel, node);
+}
+
 /**
  * perf_evsel__is_group_leader - Return whether given evsel is a leader event
  *
@@ -304,8 +323,7 @@ int perf_evsel__fprintf(struct perf_evsel *evsel,
 
 bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
                           char *msg, size_t msgsize);
-int perf_evsel__open_strerror(struct perf_evsel *evsel,
-                              struct perf_target *target,
+int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
                               int err, char *msg, size_t size);
 
 static inline int perf_evsel__group_idx(struct perf_evsel *evsel)