power: ADPF: dump ADPF session info

Dump current ADPF profile and ADPF session list into bugreport. Bug: 204444691 Test: adb root && adb shell dumpsys android.hardware.power.IPower/default Test: gpaste/6469309887938560 Change-Id: I17c0d615051f5e51c2e1fe99d17c402f9a65679a
rayavanindra · Jul 20, 2024 · b3c905e · b3c905e
1 parent 2f953ae
commit b3c905e
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Showing 5 changed files with 33 additions and 1 deletion.
diff --git a/power-libperfmgr/aidl/Power.cpp b/power-libperfmgr/aidl/Power.cpp
@@ -174,6 +174,7 @@ binder_status_t Power::dump(int fd, const char **, uint32_t) {
             boolToString(mSustainedPerfModeOn)));
     // Dump nodes through libperfmgr
     HintManager::GetInstance()->DumpToFd(fd);
+    PowerSessionManager::getInstance()->dumpToFd(fd);
     if (!::android::base::WriteStringToFd(buf, fd)) {
         PLOG(ERROR) << "Failed to dump state to fd";
     }

diff --git a/power-libperfmgr/aidl/PowerHintSession.cpp b/power-libperfmgr/aidl/PowerHintSession.cpp
@@ -200,6 +200,13 @@ int PowerHintSession::getUclampMin() {
     return mDescriptor->current_min;
 }
 
+void PowerHintSession::dumpToStream(std::ostream &stream) {
+    stream << "ID.Min.Act.Stale(" << getIdString();
+    stream << ", " << mDescriptor->current_min;
+    stream << ", " << mDescriptor->is_active;
+    stream << ", " << isStale() << ")";
+}
+
 ndk::ScopedAStatus PowerHintSession::pause() {
     if (mSessionClosed) {
         ALOGE("Error: session is dead");

diff --git a/power-libperfmgr/aidl/PowerHintSession.h b/power-libperfmgr/aidl/PowerHintSession.h
@@ -90,6 +90,7 @@ class PowerHintSession : public BnPowerHintSession {
     bool isAppSession();
     const std::vector<int> &getTidList() const;
     int getUclampMin();
+    void dumpToStream(std::ostream &stream);
 
   private:
     class HintTimerHandler : public MessageHandler {

diff --git a/power-libperfmgr/aidl/PowerSessionManager.cpp b/power-libperfmgr/aidl/PowerSessionManager.cpp
@@ -19,6 +19,7 @@
 
 #include "PowerSessionManager.h"
 
+#include <android-base/file.h>
 #include <log/log.h>
 #include <perfmgr/HintManager.h>
 #include <processgroup/processgroup.h>
@@ -201,6 +202,28 @@ void PowerSessionManager::handleMessage(const Message &) {
     }
 }
 
+void PowerSessionManager::dumpToFd(int fd) {
+    std::ostringstream dump_buf;
+    std::lock_guard<std::mutex> guard(mLock);
+    dump_buf << "========== Begin PowerSessionManager ADPF list ==========\n";
+    for (PowerHintSession *s : mSessions) {
+        s->dumpToStream(dump_buf);
+        dump_buf << " Tid:Ref[";
+        for (size_t i = 0, len = s->getTidList().size(); i < len; i++) {
+            int t = s->getTidList()[i];
+            dump_buf << t << ":" << mTidSessionListMap[t].size();
+            if (i < len - 1) {
+                dump_buf << ", ";
+            }
+        }
+        dump_buf << "]\n";
+    }
+    dump_buf << "========== End PowerSessionManager ADPF list ==========\n";
+    if (!::android::base::WriteStringToFd(dump_buf.str(), fd)) {
+        ALOGE("Failed to dump one of session list to fd:%d", fd);
+    }
+}
+
 void PowerSessionManager::enableSystemTopAppBoost() {
     if (HintManager::GetInstance()->IsHintSupported(kDisableBoostHintName)) {
         ALOGV("PowerSessionManager::enableSystemTopAppBoost!!");

diff --git a/power-libperfmgr/aidl/PowerSessionManager.h b/power-libperfmgr/aidl/PowerSessionManager.h
@@ -52,8 +52,8 @@ class PowerSessionManager : public MessageHandler {
     void removePowerSession(PowerHintSession *session);
     void setUclampMin(PowerHintSession *session, int min);
     void setUclampMinLocked(PowerHintSession *session, int min);
-
     void handleMessage(const Message &message) override;
+    void dumpToFd(int fd);
 
     // Singleton
     static sp<PowerSessionManager> getInstance() {