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Diffstat (limited to 'services/java/com/android/server/ProcessStats.java')
-rw-r--r--services/java/com/android/server/ProcessStats.java148
1 files changed, 91 insertions, 57 deletions
diff --git a/services/java/com/android/server/ProcessStats.java b/services/java/com/android/server/ProcessStats.java
index 0c8c2fd40d00..020f9ed512cb 100644
--- a/services/java/com/android/server/ProcessStats.java
+++ b/services/java/com/android/server/ProcessStats.java
@@ -80,16 +80,24 @@ public class ProcessStats {
PROC_SPACE_TERM|PROC_OUT_LONG, // 11: major faults
PROC_SPACE_TERM,
PROC_SPACE_TERM|PROC_OUT_LONG, // 13: utime
- PROC_SPACE_TERM|PROC_OUT_LONG // 14: stime
+ PROC_SPACE_TERM|PROC_OUT_LONG, // 14: stime
+ PROC_SPACE_TERM,
+ PROC_SPACE_TERM,
+ PROC_SPACE_TERM,
+ PROC_SPACE_TERM,
+ PROC_SPACE_TERM,
+ PROC_SPACE_TERM,
+ PROC_SPACE_TERM|PROC_OUT_LONG, // 21: vsize
};
static final int PROCESS_FULL_STAT_MINOR_FAULTS = 1;
static final int PROCESS_FULL_STAT_MAJOR_FAULTS = 2;
static final int PROCESS_FULL_STAT_UTIME = 3;
static final int PROCESS_FULL_STAT_STIME = 4;
+ static final int PROCESS_FULL_STAT_VSIZE = 5;
- private final String[] mProcessFullStatsStringData = new String[5];
- private final long[] mProcessFullStatsData = new long[5];
+ private final String[] mProcessFullStatsStringData = new String[6];
+ private final long[] mProcessFullStatsData = new long[6];
private static final int[] SYSTEM_CPU_FORMAT = new int[] {
PROC_SPACE_TERM|PROC_COMBINE,
@@ -171,6 +179,8 @@ public class ProcessStats {
final ArrayList<Stats> threadStats;
final ArrayList<Stats> workingThreads;
+ public boolean interesting;
+
public String baseName;
public String name;
int nameWidth;
@@ -349,59 +359,62 @@ public class ProcessStats {
+ (parentPid < 0 ? "process" : "thread")
+ " pid " + pid + ": " + st);
- final long uptime = SystemClock.uptimeMillis();
+ if (st.interesting) {
+ final long uptime = SystemClock.uptimeMillis();
- final long[] procStats = mProcessStatsData;
- if (!Process.readProcFile(st.statFile.toString(),
- PROCESS_STATS_FORMAT, null, procStats, null)) {
- continue;
- }
-
- final long minfaults = procStats[PROCESS_STAT_MINOR_FAULTS];
- final long majfaults = procStats[PROCESS_STAT_MAJOR_FAULTS];
- final long utime = procStats[PROCESS_STAT_UTIME];
- final long stime = procStats[PROCESS_STAT_STIME];
-
- if (utime == st.base_utime && stime == st.base_stime) {
- st.rel_utime = 0;
- st.rel_stime = 0;
- st.rel_minfaults = 0;
- st.rel_majfaults = 0;
- if (st.active) {
- st.active = false;
+ final long[] procStats = mProcessStatsData;
+ if (!Process.readProcFile(st.statFile.toString(),
+ PROCESS_STATS_FORMAT, null, procStats, null)) {
+ continue;
}
- continue;
- }
- if (!st.active) {
- st.active = true;
- }
+ final long minfaults = procStats[PROCESS_STAT_MINOR_FAULTS];
+ final long majfaults = procStats[PROCESS_STAT_MAJOR_FAULTS];
+ final long utime = procStats[PROCESS_STAT_UTIME];
+ final long stime = procStats[PROCESS_STAT_STIME];
+
+ if (utime == st.base_utime && stime == st.base_stime) {
+ st.rel_utime = 0;
+ st.rel_stime = 0;
+ st.rel_minfaults = 0;
+ st.rel_majfaults = 0;
+ if (st.active) {
+ st.active = false;
+ }
+ continue;
+ }
- if (parentPid < 0) {
- getName(st, st.cmdlineFile);
- if (st.threadStats != null) {
- mCurThreadPids = collectStats(st.threadsDir, pid, false,
- mCurThreadPids, st.threadStats);
+ if (!st.active) {
+ st.active = true;
}
+
+ if (parentPid < 0) {
+ getName(st, st.cmdlineFile);
+ if (st.threadStats != null) {
+ mCurThreadPids = collectStats(st.threadsDir, pid, false,
+ mCurThreadPids, st.threadStats);
+ }
+ }
+
+ if (DEBUG) Slog.v("Load", "Stats changed " + st.name + " pid=" + st.pid
+ + " utime=" + utime + "-" + st.base_utime
+ + " stime=" + stime + "-" + st.base_stime
+ + " minfaults=" + minfaults + "-" + st.base_minfaults
+ + " majfaults=" + majfaults + "-" + st.base_majfaults);
+
+ st.rel_uptime = uptime - st.base_uptime;
+ st.base_uptime = uptime;
+ st.rel_utime = (int)(utime - st.base_utime);
+ st.rel_stime = (int)(stime - st.base_stime);
+ st.base_utime = utime;
+ st.base_stime = stime;
+ st.rel_minfaults = (int)(minfaults - st.base_minfaults);
+ st.rel_majfaults = (int)(majfaults - st.base_majfaults);
+ st.base_minfaults = minfaults;
+ st.base_majfaults = majfaults;
+ st.working = true;
}
- if (DEBUG) Slog.v("Load", "Stats changed " + st.name + " pid=" + st.pid
- + " utime=" + utime + "-" + st.base_utime
- + " stime=" + stime + "-" + st.base_stime
- + " minfaults=" + minfaults + "-" + st.base_minfaults
- + " majfaults=" + majfaults + "-" + st.base_majfaults);
-
- st.rel_uptime = uptime - st.base_uptime;
- st.base_uptime = uptime;
- st.rel_utime = (int)(utime - st.base_utime);
- st.rel_stime = (int)(stime - st.base_stime);
- st.base_utime = utime;
- st.base_stime = stime;
- st.rel_minfaults = (int)(minfaults - st.base_minfaults);
- st.rel_majfaults = (int)(majfaults - st.base_majfaults);
- st.base_minfaults = minfaults;
- st.base_majfaults = majfaults;
- st.working = true;
continue;
}
@@ -421,12 +434,24 @@ public class ProcessStats {
if (Process.readProcFile(st.statFile.toString(),
PROCESS_FULL_STATS_FORMAT, procStatsString,
procStats, null)) {
- st.baseName = procStatsString[0];
- st.base_minfaults = procStats[PROCESS_FULL_STAT_MINOR_FAULTS];
- st.base_majfaults = procStats[PROCESS_FULL_STAT_MAJOR_FAULTS];
- st.base_utime = procStats[PROCESS_FULL_STAT_UTIME];
- st.base_stime = procStats[PROCESS_FULL_STAT_STIME];
+ // This is a possible way to filter out processes that
+ // are actually kernel threads... do we want to? Some
+ // of them do use CPU, but there can be a *lot* that are
+ // not doing anything.
+ if (true || procStats[PROCESS_FULL_STAT_VSIZE] != 0) {
+ st.interesting = true;
+ st.baseName = procStatsString[0];
+ st.base_minfaults = procStats[PROCESS_FULL_STAT_MINOR_FAULTS];
+ st.base_majfaults = procStats[PROCESS_FULL_STAT_MAJOR_FAULTS];
+ st.base_utime = procStats[PROCESS_FULL_STAT_UTIME];
+ st.base_stime = procStats[PROCESS_FULL_STAT_STIME];
+ } else {
+ Slog.i(TAG, "Skipping kernel process pid " + pid
+ + " name " + procStatsString[0]);
+ st.baseName = procStatsString[0];
+ }
} else {
+ Slog.w(TAG, "Skipping unknown process pid " + pid);
st.baseName = "<unknown>";
st.base_utime = st.base_stime = 0;
st.base_minfaults = st.base_majfaults = 0;
@@ -438,7 +463,7 @@ public class ProcessStats {
mCurThreadPids = collectStats(st.threadsDir, pid, true,
mCurThreadPids, st.threadStats);
}
- } else {
+ } else if (st.interesting) {
st.name = st.baseName;
st.nameWidth = onMeasureProcessName(st.name);
}
@@ -452,7 +477,7 @@ public class ProcessStats {
st.rel_minfaults = 0;
st.rel_majfaults = 0;
st.added = true;
- if (!first) {
+ if (!first && st.interesting) {
st.working = true;
}
continue;
@@ -624,6 +649,14 @@ public class ProcessStats {
}
}
+ final public int countStats() {
+ return mProcStats.size();
+ }
+
+ final public Stats getStats(int index) {
+ return mProcStats.get(index);
+ }
+
final public int countWorkingStats() {
buildWorkingProcs();
return mWorkingProcs.size();
@@ -788,7 +821,8 @@ public class ProcessStats {
private void getName(Stats st, String cmdlineFile) {
String newName = st.name;
- if (st.name == null || st.name.equals("app_process")) {
+ if (st.name == null || st.name.equals("app_process")
+ || st.name.equals("<pre-initialized>")) {
String cmdName = readFile(cmdlineFile, '\0');
if (cmdName != null && cmdName.length() > 1) {
newName = cmdName;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-03 09:52:41 +0000