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author | Avinankumar Vellore Suriyakumar <avellore@google.com> | 2016-01-26 17:59:06 +0000 |
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committer | Android (Google) Code Review <android-gerrit@google.com> | 2016-01-26 17:59:06 +0000 |
commit | 775ec86c48d93a5c0ee3dae94ac881154aeab37f (patch) | |
tree | 9770d27d7d030fd28df26ae2d49ba50478a92773 | |
parent | 3ad7774bab4b8fe97c571192e74693762086bc66 (diff) | |
parent | 1d3a1ccffd046a9e032e3cffbeabb921a69e646e (diff) | |
download | loganalysis-android-cts-7.0_r25.tar.gz |
Merge "Add wifi association heuristic"android-n-mr1-preview-2android-n-mr1-preview-1android-cts_7.1_r1android-cts-7.1_r9android-cts-7.1_r8android-cts-7.1_r7android-cts-7.1_r6android-cts-7.1_r5android-cts-7.1_r4android-cts-7.1_r3android-cts-7.1_r29android-cts-7.1_r28android-cts-7.1_r27android-cts-7.1_r26android-cts-7.1_r25android-cts-7.1_r24android-cts-7.1_r23android-cts-7.1_r22android-cts-7.1_r21android-cts-7.1_r20android-cts-7.1_r2android-cts-7.1_r19android-cts-7.1_r18android-cts-7.1_r17android-cts-7.1_r16android-cts-7.1_r15android-cts-7.1_r14android-cts-7.1_r13android-cts-7.1_r12android-cts-7.1_r11android-cts-7.1_r10android-cts-7.1_r1android-cts-7.0_r9android-cts-7.0_r8android-cts-7.0_r7android-cts-7.0_r6android-cts-7.0_r5android-cts-7.0_r4android-cts-7.0_r33android-cts-7.0_r32android-cts-7.0_r31android-cts-7.0_r30android-cts-7.0_r3android-cts-7.0_r29android-cts-7.0_r28android-cts-7.0_r27android-cts-7.0_r26android-cts-7.0_r25android-cts-7.0_r24android-cts-7.0_r23android-cts-7.0_r22android-cts-7.0_r21android-cts-7.0_r20android-cts-7.0_r2android-cts-7.0_r19android-cts-7.0_r18android-cts-7.0_r17android-cts-7.0_r16android-cts-7.0_r15android-cts-7.0_r14android-cts-7.0_r13android-cts-7.0_r12android-cts-7.0_r11android-cts-7.0_r10android-cts-7.0_r1android-7.1.2_r9android-7.1.2_r8android-7.1.2_r6android-7.1.2_r5android-7.1.2_r4android-7.1.2_r39android-7.1.2_r38android-7.1.2_r37android-7.1.2_r36android-7.1.2_r33android-7.1.2_r32android-7.1.2_r30android-7.1.2_r3android-7.1.2_r29android-7.1.2_r28android-7.1.2_r27android-7.1.2_r25android-7.1.2_r24android-7.1.2_r23android-7.1.2_r2android-7.1.2_r19android-7.1.2_r18android-7.1.2_r17android-7.1.2_r16android-7.1.2_r15android-7.1.2_r14android-7.1.2_r13android-7.1.2_r12android-7.1.2_r11android-7.1.2_r10android-7.1.2_r1android-7.1.1_r9android-7.1.1_r8android-7.1.1_r7android-7.1.1_r61android-7.1.1_r60android-7.1.1_r6android-7.1.1_r59android-7.1.1_r58android-7.1.1_r57android-7.1.1_r56android-7.1.1_r55android-7.1.1_r54android-7.1.1_r53android-7.1.1_r52android-7.1.1_r51android-7.1.1_r50android-7.1.1_r49android-7.1.1_r48android-7.1.1_r47android-7.1.1_r46android-7.1.1_r45android-7.1.1_r44android-7.1.1_r43android-7.1.1_r42android-7.1.1_r41android-7.1.1_r40android-7.1.1_r4android-7.1.1_r39android-7.1.1_r38android-7.1.1_r35android-7.1.1_r33android-7.1.1_r32android-7.1.1_r31android-7.1.1_r3android-7.1.1_r28android-7.1.1_r27android-7.1.1_r26android-7.1.1_r25android-7.1.1_r24android-7.1.1_r23android-7.1.1_r22android-7.1.1_r21android-7.1.1_r20android-7.1.1_r2android-7.1.1_r17android-7.1.1_r16android-7.1.1_r15android-7.1.1_r14android-7.1.1_r13android-7.1.1_r12android-7.1.1_r11android-7.1.1_r10android-7.1.1_r1android-7.1.0_r7android-7.1.0_r6android-7.1.0_r5android-7.1.0_r4android-7.1.0_r3android-7.1.0_r2android-7.1.0_r1android-7.0.0_r9android-7.0.0_r8android-7.0.0_r7android-7.0.0_r6android-7.0.0_r5android-7.0.0_r4android-7.0.0_r36android-7.0.0_r35android-7.0.0_r34android-7.0.0_r33android-7.0.0_r32android-7.0.0_r31android-7.0.0_r30android-7.0.0_r3android-7.0.0_r29android-7.0.0_r28android-7.0.0_r27android-7.0.0_r24android-7.0.0_r21android-7.0.0_r19android-7.0.0_r17android-7.0.0_r15android-7.0.0_r14android-7.0.0_r13android-7.0.0_r12android-7.0.0_r11android-7.0.0_r10android-7.0.0_r1nougat-releasenougat-mr2.3-releasenougat-mr2.2-releasenougat-mr2.1-releasenougat-mr2-security-releasenougat-mr2-releasenougat-mr2-pixel-releasenougat-mr2-devnougat-mr1.8-releasenougat-mr1.7-releasenougat-mr1.6-releasenougat-mr1.5-releasenougat-mr1.4-releasenougat-mr1.3-releasenougat-mr1.2-releasenougat-mr1.1-releasenougat-mr1-volantis-releasenougat-mr1-security-releasenougat-mr1-releasenougat-mr1-flounder-releasenougat-mr1-devnougat-mr1-cts-releasenougat-mr0.5-releasenougat-dr1-releasenougat-devnougat-cts-releasenougat-bugfix-release
5 files changed, 71 insertions, 9 deletions
diff --git a/src/com/android/loganalysis/item/DumpsysWifiStatsItem.java b/src/com/android/loganalysis/item/DumpsysWifiStatsItem.java index 6ceb073..b956a65 100644 --- a/src/com/android/loganalysis/item/DumpsysWifiStatsItem.java +++ b/src/com/android/loganalysis/item/DumpsysWifiStatsItem.java @@ -27,9 +27,11 @@ public class DumpsysWifiStatsItem extends GenericItem { public static final String WIFI_DISCONNECT = "WIFI_DISCONNECT"; /** Constant for JSON output */ public static final String WIFI_SCAN = "WIFI_SCAN"; + /** Constant for JSON output */ + public static final String WIFI_ASSOCIATION = "WIFI_ASSOCIATION"; private static final Set<String> ATTRIBUTES = new HashSet<String>(Arrays.asList( - WIFI_DISCONNECT, WIFI_SCAN)); + WIFI_DISCONNECT, WIFI_SCAN, WIFI_ASSOCIATION)); /** * The constructor for {@link DumpsysWifiStatsItem}. @@ -53,6 +55,13 @@ public class DumpsysWifiStatsItem extends GenericItem { } /** + * Set number of times of wifi associations + */ + public void setNumWifiAssociation(int numWifiAssociations) { + setAttribute(WIFI_ASSOCIATION, numWifiAssociations); + } + + /** * Get the number of times wifi disconnected */ public int getNumWifiDisconnects() { @@ -65,4 +74,11 @@ public class DumpsysWifiStatsItem extends GenericItem { public int getNumWifiScans() { return (int) getAttribute(WIFI_SCAN); } + + /** + * Get the number of times wifi association event triggered + */ + public int getNumWifiAssociations() { + return (int) getAttribute(WIFI_ASSOCIATION); + } } diff --git a/src/com/android/loganalysis/parser/DumpsysWifiStatsParser.java b/src/com/android/loganalysis/parser/DumpsysWifiStatsParser.java index d977902..52c1bf3 100644 --- a/src/com/android/loganalysis/parser/DumpsysWifiStatsParser.java +++ b/src/com/android/loganalysis/parser/DumpsysWifiStatsParser.java @@ -41,6 +41,13 @@ public class DumpsysWifiStatsParser implements IParser { + "bssid=\\w+:\\w+:\\w+:\\w+:\\w+:\\w+ reason=\\d+(\\s*locally_generated=\\d+)?\\]"); /** + * Matches: 01-21 18:17:23.15 - Event [IFNAME=wlan0 Trying to associate with SSID 'WL-power-2'] + */ + private static final Pattern WIFI_ASSOCIATION = Pattern.compile( + "^\\d+-\\d+ \\d+:\\d+:\\d+\\.\\d+ - Event \\[IFNAME=wlan0 Trying to associate with " + + "SSID \\'.*\\'\\]"); + + /** * {@inheritDoc} * * @return The {@link DumpsysWifiStatsItem}. @@ -50,6 +57,7 @@ public class DumpsysWifiStatsParser implements IParser { DumpsysWifiStatsItem item = new DumpsysWifiStatsItem(); int numWifiScans = 0; int numWifiDisconnects = 0; + int numWifiAssociations = 0; for (String line : lines) { Matcher m = WIFI_SCAN.matcher(line); if(m.matches()) { @@ -59,10 +67,16 @@ public class DumpsysWifiStatsParser implements IParser { m = WIFI_DISCONNECT.matcher(line); if (m.matches()) { numWifiDisconnects++; + continue; + } + m = WIFI_ASSOCIATION.matcher(line); + if (m.matches()) { + numWifiAssociations++; } } item.setNumWifiScan(numWifiScans); item.setNumWifiDisconnect(numWifiDisconnects); + item.setNumWifiAssociation(numWifiAssociations); return item; } diff --git a/src/com/android/loganalysis/rule/WifiStatsRule.java b/src/com/android/loganalysis/rule/WifiStatsRule.java index f9bca39..da422de 100644 --- a/src/com/android/loganalysis/rule/WifiStatsRule.java +++ b/src/com/android/loganalysis/rule/WifiStatsRule.java @@ -31,11 +31,13 @@ public class WifiStatsRule extends AbstractPowerRule { private static final String WIFI_STATS = "WIFI_STATS"; private static final int WIFI_DISCONNECT_THRESHOLD = 1; // wifi disconnect should never happen + private static final int WIFI_ASSOCIATION_THRESHOLD = 1; // Wifi scans are scheduled by GSA every 285 seconds, anything more frequent is an issue private static final long WIFI_SCAN_INTERVAL_THRESHOLD_MS = 285000; private long mFrequentWifiScansIntervalSecs = 0; private int mNumFrequentWifiDisconnects = 0; + private int mNumFrequentWifiAssociations = 0; private BugreportItem mBugreportItem = null; @@ -65,6 +67,9 @@ public class WifiStatsRule extends AbstractPowerRule { if (dumpsysWifiStatsItem.getNumWifiDisconnects() >= WIFI_DISCONNECT_THRESHOLD) { mNumFrequentWifiDisconnects = dumpsysWifiStatsItem.getNumWifiDisconnects(); } + if (dumpsysWifiStatsItem.getNumWifiAssociations() > WIFI_ASSOCIATION_THRESHOLD) { + mNumFrequentWifiAssociations = dumpsysWifiStatsItem.getNumWifiAssociations(); + } } @Override @@ -83,6 +88,12 @@ public class WifiStatsRule extends AbstractPowerRule { analysis.append(String.format("Wifi got disconnected %d times. ", mNumFrequentWifiDisconnects)); } + if (mNumFrequentWifiAssociations == 0) { + analysis.append("No frequent wifi associations were observed. "); + } else { + analysis.append(String.format("Wifi got associated with AP %d times. ", + mNumFrequentWifiAssociations)); + } try { wifiStatsAnalysis.put(WIFI_STATS, analysis.toString().trim()); } catch (JSONException e) { diff --git a/tests/src/com/android/loganalysis/parser/DumpsysWifiStatsParserTest.java b/tests/src/com/android/loganalysis/parser/DumpsysWifiStatsParserTest.java index 6a9e302..f52e432 100644 --- a/tests/src/com/android/loganalysis/parser/DumpsysWifiStatsParserTest.java +++ b/tests/src/com/android/loganalysis/parser/DumpsysWifiStatsParserTest.java @@ -56,11 +56,15 @@ public class DumpsysWifiStatsParserTest extends TestCase { "10-08 13:06:25.363 - Event [IFNAME=wlan0 CTRL-EVENT-SCAN-STARTED ]", "10-08 13:08:15.018 - Event [IFNAME=wlan0 CTRL-EVENT-DISCONNECTED " + "bssid=9c:1c:12:e8:72:d2 reason=3 locally_generated=1]", - "10-08 13:08:15.324 - wlan0: 442:IFNAME=wlan0 ENABLE_NETWORK 0 -> true"); + "10-08 13:08:15.324 - wlan0: 442:IFNAME=wlan0 ENABLE_NETWORK 0 -> true", + "01-21 13:17:23.1 - Event [IFNAME=wlan0 Trying to associate with SSID 'WL-power']", + "01-21 13:18:23.1 - Event [IFNAME=wlan0 Trying to associate with SSID 'WL-power']", + "01-21 13:18:23.1 - Event [IFNAME=wlan0 Trying to associate with SSID 'WL-power']"); DumpsysWifiStatsItem wifiStats = new DumpsysWifiStatsParser().parse(inputBlock); assertEquals(2, wifiStats.getNumWifiDisconnects()); assertEquals(3, wifiStats.getNumWifiScans()); + assertEquals(3, wifiStats.getNumWifiAssociations()); } /** @@ -93,6 +97,7 @@ public class DumpsysWifiStatsParserTest extends TestCase { DumpsysWifiStatsItem wifiStats = new DumpsysWifiStatsParser().parse(inputBlock); assertEquals(0, wifiStats.getNumWifiDisconnects()); assertEquals(0, wifiStats.getNumWifiScans()); + assertEquals(0, wifiStats.getNumWifiAssociations()); } } diff --git a/tests/src/com/android/loganalysis/rule/WifiStatsRuleTest.java b/tests/src/com/android/loganalysis/rule/WifiStatsRuleTest.java index 628039e..984ed20 100644 --- a/tests/src/com/android/loganalysis/rule/WifiStatsRuleTest.java +++ b/tests/src/com/android/loganalysis/rule/WifiStatsRuleTest.java @@ -20,10 +20,6 @@ import com.android.loganalysis.item.BugreportItem; import com.android.loganalysis.item.DumpsysBatteryStatsItem; import com.android.loganalysis.item.DumpsysItem; import com.android.loganalysis.item.DumpsysWifiStatsItem; -import com.android.loganalysis.parser.BugreportParser; - -import java.util.Arrays; -import java.util.List; import junit.framework.TestCase; @@ -58,6 +54,7 @@ public class WifiStatsRuleTest extends TestCase { DumpsysWifiStatsItem wifiStats = new DumpsysWifiStatsItem(); wifiStats.setNumWifiDisconnect(1); wifiStats.setNumWifiScan(0); + wifiStats.setNumWifiAssociation(0); mDumpsys.setWifiStats(wifiStats); WifiStatsRule wifiStatsRule = new WifiStatsRule(mBugreport); @@ -66,13 +63,32 @@ public class WifiStatsRuleTest extends TestCase { assertNotNull(analysis); assertTrue(analysis.has("WIFI_STATS")); assertEquals(analysis.getString("WIFI_STATS"), - "No apps requested for frequent wifi scans. Wifi got disconnected 1 times."); + "No apps requested for frequent wifi scans. Wifi got disconnected 1 times. " + + "No frequent wifi associations were observed."); } public void testWifiScanAnalysis() throws Exception { DumpsysWifiStatsItem wifiStats = new DumpsysWifiStatsItem(); wifiStats.setNumWifiDisconnect(0); wifiStats.setNumWifiScan(3); + wifiStats.setNumWifiAssociation(0); + + mDumpsys.setWifiStats(wifiStats); + WifiStatsRule wifiStatsRule = new WifiStatsRule(mBugreport); + wifiStatsRule.applyRule(); + JSONObject analysis = wifiStatsRule.getAnalysis(); + assertNotNull(analysis); + assertTrue(analysis.has("WIFI_STATS")); + assertEquals(analysis.getString("WIFI_STATS"), + "Wifi scans happened every 100 seconds. No frequent wifi disconnects were " + + "observed. No frequent wifi associations were observed."); + } + + public void testWifiAssociationAnalysis() throws Exception { + DumpsysWifiStatsItem wifiStats = new DumpsysWifiStatsItem(); + wifiStats.setNumWifiDisconnect(0); + wifiStats.setNumWifiScan(0); + wifiStats.setNumWifiAssociation(3); mDumpsys.setWifiStats(wifiStats); WifiStatsRule wifiStatsRule = new WifiStatsRule(mBugreport); @@ -81,7 +97,7 @@ public class WifiStatsRuleTest extends TestCase { assertNotNull(analysis); assertTrue(analysis.has("WIFI_STATS")); assertEquals(analysis.getString("WIFI_STATS"), - "Wifi scans happened every 100 seconds. No frequent wifi disconnects were observed." - ); + "No apps requested for frequent wifi scans. No frequent wifi disconnects were " + + "observed. Wifi got associated with AP 3 times."); } } |