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Fix NPE crash-loop when cpufreq not available in the kernel.

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This commit is contained in:
Brad Fitzpatrick
2009-09-21 15:30:21 +04:00
parent 5feb428f34
commit 2eb239f92d
1 changed files with 19 additions and 16 deletions
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35
services/java/com/android/server/ProcessStats.java
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@@ -509,23 +509,26 @@ public class ProcessStats {
}
int speed = 0;
String file = readFile("/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state", '\0');
StringTokenizer st = new StringTokenizer(file, "\n ");
while (st.hasMoreElements()) {
String token = st.nextToken();
try {
long val = Long.parseLong(token);
tempSpeeds[speed] = val;
token = st.nextToken();
val = Long.parseLong(token);
tempTimes[speed] = val;
speed++;
if (speed == MAX_SPEEDS) break; // No more
if (localLOGV && out == null) {
Log.v(TAG, "First time : Speed/Time = " + tempSpeeds[speed - 1]
+ "\t" + tempTimes[speed - 1]);
// Note: file may be null on kernels without cpufreq (i.e. the emulator's)
if (file != null) {
StringTokenizer st = new StringTokenizer(file, "\n ");
while (st.hasMoreElements()) {
String token = st.nextToken();
try {
long val = Long.parseLong(token);
tempSpeeds[speed] = val;
token = st.nextToken();
val = Long.parseLong(token);
tempTimes[speed] = val;
speed++;
if (speed == MAX_SPEEDS) break; // No more
if (localLOGV && out == null) {
Log.v(TAG, "First time : Speed/Time = " + tempSpeeds[speed - 1]
+ "\t" + tempTimes[speed - 1]);
}
} catch (NumberFormatException nfe) {
Log.i(TAG, "Unable to parse time_in_state");
}
} catch (NumberFormatException nfe) {
Log.i(TAG, "Unable to parse time_in_state");
}
}
if (out == null) {