diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 8b3bdcf..0d5d61f 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1009,14 +1009,14 @@
     return NO_ERROR;
 }
 
-sp<Client> AudioFlinger::registerPid(pid_t pid)
+sp<Client> AudioFlinger::registerClient(pid_t pid, uid_t uid)
 {
     audio_utils::lock_guard _cl(clientMutex());
     // If pid is already in the mClients wp<> map, then use that entry
     // (for which promote() is always != 0), otherwise create a new entry and Client.
     sp<Client> client = mClients.valueFor(pid).promote();
     if (client == 0) {
-        client = sp<Client>::make(sp<IAfClientCallback>::fromExisting(this), pid);
+        client = sp<Client>::make(sp<IAfClientCallback>::fromExisting(this), pid, uid);
         mClients.add(pid, client);
     }
 
@@ -1194,7 +1194,7 @@
             goto Exit;
         }
 
-        client = registerPid(adjAttributionSource.pid);
+        client = registerClient(adjAttributionSource.pid, adjAttributionSource.uid);
 
         IAfPlaybackThread* effectThread = nullptr;
         sp<IAfEffectChain> effectChain = nullptr;
@@ -2489,7 +2489,7 @@
     output.selectedDeviceId = input.selectedDeviceId;
     output.flags = input.flags;
 
-    client = registerPid(VALUE_OR_FATAL(aidl2legacy_int32_t_pid_t(adjAttributionSource.pid)));
+    client = registerClient(adjAttributionSource.pid, adjAttributionSource.uid);
 
     // Not a conventional loop, but a retry loop for at most two iterations total.
     // Try first maybe with FAST flag then try again without FAST flag if that fails.
@@ -4412,7 +4412,7 @@
         audio_utils::lock_guard _l(mutex());
 
         if (sessionId == AUDIO_SESSION_DEVICE) {
-            sp<Client> client = registerPid(currentPid);
+            sp<Client> client = registerClient(currentPid, adjAttributionSource.uid);
             ALOGV("%s device type %#x address %s", __func__, device.mType, device.getAddress());
             handle = mDeviceEffectManager->createEffect_l(
                     &descOut, device, client, effectClient, mPatchPanel->patches_l(),
@@ -4474,7 +4474,7 @@
                     goto Exit;
                 }
                 ALOGV("%s() got io %d for effect %s", __func__, io, descOut.name);
-                sp<Client> client = registerPid(currentPid);
+                sp<Client> client = registerClient(currentPid, adjAttributionSource.uid);
                 bool pinned = !audio_is_global_session(sessionId) && isSessionAcquired_l(sessionId);
                 handle = createOrphanEffect_l(client, effectClient, priority, sessionId,
                                               &descOut, &enabledOut, &lStatus, pinned,
@@ -4536,7 +4536,7 @@
             }
         }
 
-        sp<Client> client = registerPid(currentPid);
+        sp<Client> client = registerClient(currentPid, adjAttributionSource.uid);
 
         // create effect on selected output thread
         bool pinned = !audio_is_global_session(sessionId) && isSessionAcquired_l(sessionId);
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 144e509..ace74ee 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -728,7 +728,8 @@
                 // Audio data transfer is directly handled by the client creating the MMAP stream
     DefaultKeyedVector<audio_io_handle_t, sp<IAfMmapThread>> mMmapThreads GUARDED_BY(mutex());
 
-    sp<Client> registerPid(pid_t pid) EXCLUDES_AudioFlinger_ClientMutex; // always returns non-0
+    // always returns non-null
+    sp<Client> registerClient(pid_t pid, uid_t uid) EXCLUDES_AudioFlinger_ClientMutex;
 
     sp<IAfEffectHandle> createOrphanEffect_l(const sp<Client>& client,
                                           const sp<media::IEffectClient>& effectClient,
diff --git a/services/audioflinger/Client.cpp b/services/audioflinger/Client.cpp
index 93599ac..4858469 100644
--- a/services/audioflinger/Client.cpp
+++ b/services/audioflinger/Client.cpp
@@ -18,9 +18,10 @@
 
 namespace android {
 
-Client::Client(const sp<IAfClientCallback>& afClientCallback, pid_t pid)
+Client::Client(const sp<IAfClientCallback>& afClientCallback, pid_t pid, uid_t uid)
     : mAfClientCallback(afClientCallback)
     , mPid(pid)
+    , mUid(uid)
     , mClientAllocator(AllocatorFactory::getClientAllocator()) {}
 
 // Client destructor must be called with AudioFlinger::mClientLock held
@@ -34,4 +35,4 @@
     return mClientAllocator;
 }
 
-}   // namespace android
\ No newline at end of file
+}   // namespace android
diff --git a/services/audioflinger/Client.h b/services/audioflinger/Client.h
index ff0d751..c2fef39 100644
--- a/services/audioflinger/Client.h
+++ b/services/audioflinger/Client.h
@@ -42,13 +42,14 @@
 
 class Client : public RefBase {
 public:
-    Client(const sp<IAfClientCallback>& audioFlinger, pid_t pid);
+    Client(const sp<IAfClientCallback>& audioFlinger, pid_t pid, uid_t uid);
 
     // TODO(b/289139675) make Client container.
     // Client destructor must be called with AudioFlinger::mClientLock held
     ~Client() override;
     AllocatorFactory::ClientAllocator& allocator();
     pid_t pid() const { return mPid; }
+    uid_t uid() const { return mUid; }
     const auto& afClientCallback() const { return mAfClientCallback; }
 
 private:
@@ -56,6 +57,7 @@
 
     const sp<IAfClientCallback> mAfClientCallback;
     const pid_t mPid;
+    const uid_t mUid;
     AllocatorFactory::ClientAllocator mClientAllocator;
 };
 
diff --git a/services/audioflinger/IAfTrack.h b/services/audioflinger/IAfTrack.h
index 9650f3e..2049adc 100644
--- a/services/audioflinger/IAfTrack.h
+++ b/services/audioflinger/IAfTrack.h
@@ -295,7 +295,7 @@
 
     static constexpr std::string_view getLogHeader() {
         using namespace std::literals;
-        return "Type     Id Active Client Session Port Id S  Flags "
+        return "Type     Id Active Client(pid/uid) Session Port Id S  Flags "
                         "  Format Chn mask  SRate "
                         "ST Usg CT "
                         " G db  L dB  R dB  VS dB  PortVol dB "
@@ -480,7 +480,8 @@
 
     static constexpr std::string_view getLogHeader() {
         using namespace std::literals;
-        return "Client Session Port Id   Format Chn mask  SRate Flags Usg/Src PortVol dB\n"sv;
+        return "Client(pid/uid) Session Port Id"
+                "   Format Chn mask  SRate Flags Usg/Src PortVol dB\n"sv;
     };
 
     // protected by MMapThread::mLock
@@ -528,7 +529,7 @@
 
     static constexpr std::string_view getLogHeader() {
         using namespace std::literals;
-        return "Active     Id Client Session Port Id  S  Flags  "
+        return "Active     Id Client(pid/uid) Session Port Id  S  Flags  "
                         " Format Chn mask  SRate Source  "
                         " Server FrmCnt FrmRdy Sil   Latency\n"sv;
     }
diff --git a/services/audioflinger/MmapTracks.h b/services/audioflinger/MmapTracks.h
index 8758bd0..442dd80 100644
--- a/services/audioflinger/MmapTracks.h
+++ b/services/audioflinger/MmapTracks.h
@@ -86,6 +86,7 @@
     void onTimestamp(const ExtendedTimestamp &timestamp) final;
 
     const pid_t mPid;
+    const uid_t mUid;
     bool  mSilenced;            // protected by MMapThread::mLock
     bool  mSilencedNotified;    // protected by MMapThread::mLock
 
@@ -99,4 +100,4 @@
     float mVolume = 0.0f;
 };  // end of Track
 
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index eab3b44..b08b0b7 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -1081,13 +1081,14 @@
             ? 'r' /* buffer reduced */: bufferSizeInFrames > mFrameCount
                     ? 'e' /* error */ : ' ' /* identical */;
 
-    result.appendFormat("%7s %6u %7u %7u %2s 0x%03X "
+    result.appendFormat("%7s %7u/%7u %7u %7u %2s 0x%03X "
                         "%08X %08X %6u "
                         "%2u %3x %2x "
                         "%5.2g %5.2g %5.2g %5.2g%c %11.2g "
                         "%08X %6zu%c %6zu %c %9u%c %7u %10s %12s",
             active ? "yes" : "no",
-            (mClient == 0) ? getpid() : mClient->pid(),
+            mClient ? mClient->pid() : getpid() ,
+            mClient ? mClient->uid() : getuid(),
             mSessionId,
             mPortId,
             getTrackStateAsCodedString(),
@@ -2990,13 +2991,14 @@
 
 void RecordTrack::appendDump(String8& result, bool active) const
 {
-    result.appendFormat("%c%5s %6d %6u %7u %7u  %2s 0x%03X "
+    result.appendFormat("%c%5s %6d %7u/%7u %7u %7u  %2s 0x%03X "
             "%08X %08X %6u %6X "
             "%08X %6zu %6zu %3c",
             isFastTrack() ? 'F' : ' ',
             active ? "yes" : "no",
             mId,
-            (mClient == 0) ? getpid() : mClient->pid(),
+            mClient ? mClient->pid() : getpid(),
+            mClient ? mClient->uid() : getuid(),
             mSessionId,
             mPortId,
             getTrackStateAsCodedString(),
@@ -3554,6 +3556,7 @@
                   TYPE_DEFAULT, portId,
                   std::string(AMEDIAMETRICS_KEY_PREFIX_AUDIO_MMAP) + std::to_string(portId)),
         mPid(VALUE_OR_FATAL(aidl2legacy_int32_t_uid_t(attributionSource.pid))),
+        mUid(VALUE_OR_FATAL(aidl2legacy_int32_t_uid_t(attributionSource.uid))),
             mSilenced(false), mSilencedNotified(false), mVolume(volume)
 {
     // Once this item is logged by the server, the client can add properties.
@@ -3647,8 +3650,9 @@
 
 void MmapTrack::appendDump(String8& result, bool active __unused) const
 {
-    result.appendFormat("%6u %7u %7u %08X %08X %6u 0x%03X ",
+    result.appendFormat("%7u/%7u %7u %7u %08X %08X %6u 0x%03X ",
             mPid,
+            mUid,
             mSessionId,
             mPortId,
             mFormat,