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Procedure

Log on to the EMAS console. Find and click your project to navigate to the EMAS Overview page.
In the top navigation bar, select R&D Tools.
In the navigation pane on the left, choose Crash Analysis, and then click Crash, Stuttering, or Exception.
Set the filter conditions as needed and click Query.
In the Crash List, click a crash name to open the aggregation and analysis page for that crash.

Page overview

The left-side navigation pane of the details page lists all fault instances for a specific crash. Click an instance to view its details on the right. The details are organized into tabs, such as Basic Information, Current Options, Crash Stack, Memory Information, Console Log, Custom Data, and Symbol Table.

Page features

The page provides the Resymbolicate and Download features.

Resymbolicate: Re-runs the symbolication process.
Download
- Download Log: Downloads the raw log.
- Download Stack: Downloads the raw stack.

Basic information

The basic information shows that each instance is a record of a device that experienced this fault.

Parameter	Description
Utdid	The Utdid of the device where the crash occurred.
AppKey	The AppKey of the device where the crash occurred.
App Version	The app version on the device where the crash occurred.
User Nickname	The user nickname on the device where the crash occurred.
Device Name	The name of the device where the crash occurred.
System Version	The system version on the device where the crash occurred.
Report Time	The time when the crash was reported from the device.
Crash Time	The time when the crash occurred on the device.
Startup Time	The app startup time on the device where the crash occurred.

Current options

The Current Options tab displays all basic information about this crash.

Parameter	Description
appKey	The AppKey used when integrating Crash Analytics.
App Version	The app version passed when integrating Crash Analytics.
Build Number	The VersionCode in Android or the BundleVersion in iOS.
Channel	The channel ID passed when integrating Crash Analytics.
Aggregation ID	The aggregation ID for crashes of the same type.
Report Time	The report time. This is the server-side time.
Startup Time	The app startup time. This is the client time.
Crash Time	The time when the crash occurred. This is the client time.
Brand	The brand of the device where the crash occurred.
Model	The model ID of the device where the crash occurred.
Operating System	The operating system of the device when the crash occurred.
Version	The operating system version of the device when the crash occurred.
Carrier/Network	The carrier and network information of the device when the crash occurred.
Country/Region	The geographical location of the device when the crash occurred, estimated based on the IP address.
Province/City	The province and city where the device was located when the crash occurred.
User IP	The public IP address of the device when the crash occurred.
Resolution	The screen resolution of the device where the crash occurred.
Page	The page that was open in the app when the crash occurred.
Is Foreground	Indicates whether the crash occurred in a foreground process.
Is Main Thread	Indicates whether the crash occurred on the main thread.
Process Name	The name of the process that crashed.
Parent Process Name	The name of the parent process of the process that crashed.
CPU Architecture	The CPU architecture of the device when the crash occurred.
Language	The language used by the device when the crash occurred.

Crash stack

The Crash Stack tab displays the detailed crash stack log that was reported when the crash occurred.

Memory information

The live memory state of the reported sample describes the memory at the time of the crash.

Android

Note

For Android applications, memory information at the time of a crash is retrieved from /proc/meminfo.

Parameter	Description
INACTIVE_ANON	Anonymous memory pages that have not been accessed for a long time.
VMALLOC_CHUNK	The largest available contiguous block of virtual memory.
ACTIVE	Memory pages that were recently accessed.
ACTIVE_ANON	Anonymous memory pages that were recently accessed.
KERNEL_STACK	The kernel stack.
WRITEBACK_TMP	Temporary buffers used by Filesystem in Userspace (FUSE).
NFS_UNSTABLE	Cached pages sent to an NFS server but not yet written to the disk.
SWAP_FREE	The amount of free swap space.
DIRTY	Cached pages waiting to be written back to the disk.
VMALLOC_USED	Virtual memory allocated by vmalloc.
PAGE_TABLES	Memory pages used for virtual address mapping.
SLAB	Total memory allocated by the slab allocator.
SWAP_CACHED	Swap space used by anonymous pages.
VMALLOC_TOTAL	Total virtual memory that can be allocated by vmalloc.
S_UNRECLAIM	The unreclaimable part of the slab.
BOUNCE	Memory used for bounce buffers.
SWAP_TOTAL	The total amount of swap space.
CACHED	Cached pages occupied by regular files, including those dissociated from processes.
UNEVICTABLE	Memory pages that cannot be paged out or swapped out.
WRITEBACK	Cached pages that are being written back to the disk.
MAPPED	Cached pages occupied by regular files.
S_RECLAIMABLE	The reclaimable part of the slab.
MEM_AVAILABLE	The available memory estimated by the kernel.
BUFFERS	Cached pages occupied by block devices.
ACTIVE_FILE	File-backed memory pages that were recently accessed.
INACTIVE_FILE	File-backed memory pages that have not been accessed for a long time.
SHMEM	Shared memory, including tmpfs and devtmpfs.
INACTIVE	Memory pages that have not been accessed for a long time.
ANON_PAGES	Anonymous memory pages.
COMMITTED_AS	The amount of memory estimated to be needed to complete the current payload.
MEM_TOTAL	The total usable memory in the system, excluding memory occupied by the kernel. This value generally remains constant while the system is running.
MEM_FREE	The amount of unused memory in the system.
MLOCKED	The amount of memory locked by the mlock() system call.
COMMIT_LIMIT	The total amount of memory that the system can allocate, calculated based on the overcommit ratio.

iOS

Parameter	Description
active	The amount of memory currently in active use in the system, in bytes.
inactive	The amount of memory currently marked as inactive in the system, in bytes.
wired	The amount of memory currently wired down in the system, in bytes.
free_mem	The amount of unused memory that can be immediately allocated in the system, in bytes.
total_mem	The total amount of physical memory on the device, in bytes.
virtual	The total amount of virtual memory currently occupied, in bytes.
resident	The actual amount of memory currently residing in physical memory, in bytes.
footprint	The total amount of memory that the application actually occupies in physical memory, in bytes.

HarmonyOS NEXT

Parameter	Description
pss	Proportional Set Size (PSS). The actual physical memory used, proportionally distributed based on the number of references to shared libraries.
rss	Resident Set Size (RSS). The actual physical memory used, including memory occupied by shared libraries.
vss	Virtual Set Size (VSS). The virtual memory consumed, including memory occupied by shared libraries.
sys_avail_mem	The amount of available system memory.
sys_free_mem	The amount of free system memory.
sys_total_mem	The total amount of system memory.

Console log

The Console Log tab displays the console data logs that were reported from the device before and after the crash occurred.

Custom data

The Custom Data tab displays custom data that was reported through an SDK callback when the crash occurred. You can view and download the custom logs.

Symbol table

You can upload a symbol table file to the Crash Analytics console. This file is used to deobfuscate the crash call stack, which helps you analyze and resolve the issue.

Symbol tables provide Re-upload and Download options.