diff options
Diffstat (limited to 'src/com/android/loganalysis/parser/KernelLogParser.java')
| -rw-r--r-- | src/com/android/loganalysis/parser/KernelLogParser.java | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/src/com/android/loganalysis/parser/KernelLogParser.java b/src/com/android/loganalysis/parser/KernelLogParser.java index 2a9deaf..1ae323f 100644 --- a/src/com/android/loganalysis/parser/KernelLogParser.java +++ b/src/com/android/loganalysis/parser/KernelLogParser.java @@ -16,7 +16,9 @@ package com.android.loganalysis.parser; import com.android.loganalysis.item.KernelLogItem; +import com.android.loganalysis.item.LowMemoryKillerItem; import com.android.loganalysis.item.MiscKernelLogItem; +import com.android.loganalysis.item.PageAllocationFailureItem; import com.android.loganalysis.item.SELinuxItem; import com.android.loganalysis.util.LogPatternUtil; import com.android.loganalysis.util.LogTailUtil; @@ -28,13 +30,16 @@ import java.util.regex.Matcher; import java.util.regex.Pattern; /** -* A {@link IParser} to parse {@code /proc/last_kmsg} and the output from {@code dmsg}. +* A {@link IParser} to parse {@code /proc/last_kmsg}, {@code /proc/kmsg}, and the output from +* {@code dmesg}. */ public class KernelLogParser implements IParser { public static final String KERNEL_RESET = "KERNEL_RESET"; public static final String KERNEL_ERROR = "KERNEL_ERROR"; public static final String SELINUX_DENIAL = "SELINUX_DENIAL"; public static final String NORMAL_REBOOT = "NORMAL_REBOOT"; + public static final String PAGE_ALLOC_FAILURE = "PAGE_ALLOC_FAILURE"; + public static final String LOW_MEMORY_KILLER = "LOW_MEMORY_KILLER"; /** * Matches: [ 0.000000] Message<br /> @@ -44,6 +49,12 @@ public class KernelLogParser implements IParser { "^(<\\d+>)?\\[\\s*(\\d+\\.\\d{6})\\] (.*)$"); private static final Pattern SELINUX_DENIAL_PATTERN = Pattern.compile( ".*avc:\\s.*scontext=\\w*:\\w*:([\\w\\s]*):\\w*\\s.*"); + // Matches: page allocation failure: order:3, mode:0x10c0d0 + private static final Pattern PAGE_ALLOC_FAILURE_PATTERN = Pattern.compile( + ".*page\\s+allocation\\s+failure:\\s+order:(\\d+).*"); + // Matches: Killing '.qcrilmsgtunnel' (3699), adj 100, + private static final Pattern LOW_MEMORY_KILLER_PATTERN = Pattern.compile( + ".*Killing\\s+'(.*)'\\s+\\((\\d+)\\),.*adj\\s+(\\d+).*"); /** * Regular expression representing all known bootreasons which are bad. @@ -163,6 +174,22 @@ public class KernelLogParser implements IParser { selinuxItem.setSContext(m.group(1)); } kernelLogItem = selinuxItem; + } else if (category.equals(PAGE_ALLOC_FAILURE)) { + PageAllocationFailureItem allocItem = new PageAllocationFailureItem(); + Matcher m = PAGE_ALLOC_FAILURE_PATTERN.matcher(message); + if (m.matches()) { + allocItem.setOrder(Integer.parseInt(m.group(1))); + } + kernelLogItem = allocItem; + } else if (category.equals(LOW_MEMORY_KILLER)) { + LowMemoryKillerItem lmkItem = new LowMemoryKillerItem(); + Matcher m = LOW_MEMORY_KILLER_PATTERN.matcher(message); + if (m.matches()) { + lmkItem.setProcessName(m.group(1)); + lmkItem.setPid(Integer.parseInt(m.group(2))); + lmkItem.setAdjustment(Integer.parseInt(m.group(3))); + } + kernelLogItem = lmkItem; } else { kernelLogItem = new MiscKernelLogItem(); } @@ -229,6 +256,10 @@ public class KernelLogParser implements IParser { // SELINUX denials mPatternUtil.addPattern(SELINUX_DENIAL_PATTERN, SELINUX_DENIAL); + // Page allocation failures + mPatternUtil.addPattern(PAGE_ALLOC_FAILURE_PATTERN, PAGE_ALLOC_FAILURE); + // Lowmemorykiller kills + mPatternUtil.addPattern(LOW_MEMORY_KILLER_PATTERN, LOW_MEMORY_KILLER); } /** |