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-rw-r--r--daemon/PerfGroup.h23
1 files changed, 16 insertions, 7 deletions
diff --git a/daemon/PerfGroup.h b/daemon/PerfGroup.h
index f7b3d72..f30d3a6 100644
--- a/daemon/PerfGroup.h
+++ b/daemon/PerfGroup.h
@@ -1,5 +1,5 @@
/**
- * Copyright (C) ARM Limited 2013-2014. All rights reserved.
+ * Copyright (C) ARM Limited 2013-2015. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -27,6 +27,8 @@ enum PerfGroupFlags {
PERF_GROUP_TASK = 1 << 3,
PERF_GROUP_SAMPLE_ID_ALL = 1 << 4,
PERF_GROUP_PER_CPU = 1 << 5,
+ PERF_GROUP_LEADER = 1 << 6,
+ PERF_GROUP_CPU = 1 << 7,
};
enum {
@@ -40,22 +42,29 @@ public:
PerfGroup(PerfBuffer *const pb);
~PerfGroup();
+ bool createCpuGroup(const uint64_t currTime, Buffer *const buffer);
bool add(const uint64_t currTime, Buffer *const buffer, const int key, const __u32 type, const __u64 config, const __u64 sample, const __u64 sampleType, const int flags);
// Safe to call concurrently
int prepareCPU(const int cpu, Monitor *const monitor);
// Not safe to call concurrently. Returns the number of events enabled
- int onlineCPU(const uint64_t currTime, const int cpu, const bool start, Buffer *const buffer);
+ int onlineCPU(const uint64_t currTime, const int cpu, const bool enable, Buffer *const buffer);
bool offlineCPU(int cpu);
bool start();
void stop();
private:
- // +1 for the group leader
- struct perf_event_attr mAttrs[MAX_PERFORMANCE_COUNTERS + 1];
- bool mPerCpu[MAX_PERFORMANCE_COUNTERS + 1];
- int mKeys[MAX_PERFORMANCE_COUNTERS + 1];
- int mFds[NR_CPUS * (MAX_PERFORMANCE_COUNTERS + 1)];
+ int getEffectiveType(const int type, const int flags);
+ int doAdd(const uint64_t currTime, Buffer *const buffer, const int key, const __u32 type, const __u64 config, const __u64 sample, const __u64 sampleType, const int flags);
+
+ // 2* to be conservative for sched_switch, cpu_idle, hrtimer and non-CPU groups
+ struct perf_event_attr mAttrs[2*MAX_PERFORMANCE_COUNTERS];
PerfBuffer *const mPb;
+ int mFlags[2*MAX_PERFORMANCE_COUNTERS];
+ int mKeys[2*MAX_PERFORMANCE_COUNTERS];
+ int mFds[NR_CPUS * (2*MAX_PERFORMANCE_COUNTERS)];
+ // Offset in mAttrs, mFlags and mKeys of the group leaders for each perf type
+ int mLeaders[16];
+ int mSchedSwitchId;
// Intentionally undefined
PerfGroup(const PerfGroup &);