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Commit b540eb9d authored by Devin Moore's avatar Devin Moore
Browse files

Add some binder transaction info when dumping backtraces for ANR 

This adds the transaction info for each PID above the backtrace in the
generated file.

Test: adb shell am hang
Bug: 316970771
Change-Id: Ie2174253f644f2d1214ad7cec7d1103d447aab55
parent 9750a104

core/jni/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -301,6 +301,7 @@ cc_library_shared_for_libandroid_runtime { 
                "libdebuggerd_client",

                "libutils",

                "libbinder",

                "libbinderdebug",

                "libbinder_ndk",

                "libui",

                "libgraphicsenv",

core/jni/android_os_Debug.cpp

+31 −20
Original line number Diff line number Diff line
@@ -16,44 +16,46 @@ 


#define LOG_TAG "android.os.Debug"



#include "android_os_Debug.h"



#include <android-base/file.h>

#include <android-base/logging.h>

#include <android-base/properties.h>

#include <android-base/strings.h>

#include <assert.h>

#include <binderdebug/BinderDebug.h>

#include <bionic/malloc.h>

#include <ctype.h>

#include <debuggerd/client.h>

#include <dmabufinfo/dmabuf_sysfs_stats.h>

#include <dmabufinfo/dmabufinfo.h>

#include <errno.h>

#include <fcntl.h>

#include <inttypes.h>

#include <log/log.h>

#include <malloc.h>

#include <meminfo/androidprocheaps.h>

#include <meminfo/procmeminfo.h>

#include <meminfo/sysmeminfo.h>

#include <memtrack/memtrack.h>

#include <memunreachable/memunreachable.h>

#include <nativehelper/JNIPlatformHelp.h>

#include <nativehelper/ScopedUtfChars.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sys/time.h>

#include <time.h>

#include <unistd.h>

#include <utils/String8.h>

#include <utils/misc.h>

#include <vintf/KernelConfigs.h>



#include <iomanip>

#include <string>

#include <vector>



#include <android-base/logging.h>

#include <android-base/properties.h>

#include <bionic/malloc.h>

#include <debuggerd/client.h>

#include <log/log.h>

#include <utils/misc.h>

#include <utils/String8.h>



#include <nativehelper/JNIPlatformHelp.h>

#include <nativehelper/ScopedUtfChars.h>

#include "jni.h"

#include <dmabufinfo/dmabuf_sysfs_stats.h>

#include <dmabufinfo/dmabufinfo.h>

#include <meminfo/androidprocheaps.h>

#include <meminfo/procmeminfo.h>

#include <meminfo/sysmeminfo.h>

#include <memtrack/memtrack.h>

#include <memunreachable/memunreachable.h>

#include <android-base/strings.h>

#include "android_os_Debug.h"

#include <vintf/KernelConfigs.h>



namespace android

{
@@ -579,6 +581,15 @@ static bool dumpTraces(JNIEnv* env, jint pid, jstring fileName, jint timeoutSecs 
        return false;

    }



    std::string binderState;

    android::status_t status = android::getBinderTransactions(pid, binderState);

    if (status == android::OK) {

        if (!android::base::WriteStringToFd(binderState, fd)) {

            PLOG(ERROR) << "Failed to dump binder state info for pid: " << pid;

        }

    } else {

        PLOG(ERROR) << "Failed to get binder state info for pid: " << pid << " status: " << status;

    }

    int res = dump_backtrace_to_file_timeout(pid, dumpType, timeoutSecs, fd);

    if (fdatasync(fd.get()) != 0) {

        PLOG(ERROR) << "Failed flushing trace.";