simpleperf: check perf event limit.

[android-x86/system-extras.git] / simpleperf / event_selection_set.h

diff --git a/simpleperf/event_selection_set.h b/simpleperf/event_selection_set.h
index 705bc35..746abfa 100644 (file)
--- a/simpleperf/event_selection_set.h
+++ b/simpleperf/event_selection_set.h
@@ -17,7 +17,6 @@
 #ifndef SIMPLE_PERF_EVENT_SELECTION_SET_H_
 #define SIMPLE_PERF_EVENT_SELECTION_SET_H_
 
-#include <poll.h>
 #include <functional>
 #include <map>
 #include <vector>
@@ -38,6 +37,8 @@ struct CountersInfo {
   std::vector<CounterInfo> counters;
 };
 
+struct pollfd;
+
 // EventSelectionSet helps to monitor events.
 // Firstly, the user creates an EventSelectionSet, and adds the specific event types to monitor.
 // Secondly, the user defines how to monitor the events (by setting enable_on_exec flag,
@@ -70,7 +71,6 @@ class EventSelectionSet {
 
   bool OpenEventFilesForCpus(const std::vector<int>& cpus);
   bool OpenEventFilesForThreadsOnCpus(const std::vector<pid_t>& threads, std::vector<int> cpus);
-  bool EnableEvents();
   bool ReadCounters(std::vector<CountersInfo>* counters);
   void PreparePollForEventFiles(std::vector<pollfd>* pollfds);
   bool MmapEventFiles(size_t mmap_pages);