CallTracker: Add delay to reduce cpu load

A delay is introduced to avoid rapid repeated polling which leads to
high cpu usage and spamming of the modem and logcat.

Change-Id: I6eb12babb723b5f5164ef43493c971f607746484

2 files changed, 10 insertions, 0 deletions

diff --git a/src/java/com/android/internal/telephony/cdma/CdmaCallTracker.java b/src/java/com/android/internal/telephony/cdma/CdmaCallTracker.java
index 196e795..a48c13e 100644
--- a/src/java/com/android/internal/telephony/cdma/CdmaCallTracker.java
+++ b/src/java/com/android/internal/telephony/cdma/CdmaCallTracker.java
@@ -502,6 +502,11 @@ public final class CdmaCallTracker extends CallTracker {
 
         if (slow_modem) {
             if (polledCalls.size() == 0 && !hangupPendingMO){
+                try {
+                   Thread.sleep(250);
+                }  catch(InterruptedException ex) {
+                     Thread.currentThread().interrupt();
+                }
                 lastRelevantPoll = obtainMessage(EVENT_POLL_CALLS_RESULT);
                 cm.getCurrentCalls(lastRelevantPoll);
                 return;
diff --git a/src/java/com/android/internal/telephony/gsm/GsmCallTracker.java b/src/java/com/android/internal/telephony/gsm/GsmCallTracker.java
index c2d1640..822626e 100644
--- a/src/java/com/android/internal/telephony/gsm/GsmCallTracker.java
+++ b/src/java/com/android/internal/telephony/gsm/GsmCallTracker.java
@@ -437,6 +437,11 @@ public final class GsmCallTracker extends CallTracker {
 
         if (slow_modem) {
             if (polledCalls.size() == 0 && !hangupPendingMO){
+                try {
+                   Thread.sleep(250);
+                }  catch(InterruptedException ex) {
+                     Thread.currentThread().interrupt();
+                }
                 lastRelevantPoll = obtainMessage(EVENT_POLL_CALLS_RESULT);
                 cm.getCurrentCalls(lastRelevantPoll);
                 return;