harmony 鸿蒙Freeze Event Overview
Freeze Event Overview
HiAppEvent provides APIs for subscribing to freeze events.
The params parameter in the freeze event information is described as follows:
params
| Name | Type | Description |
|---|---|---|
| time | number | Event triggering time, in ms. |
| foreground | boolean | Whether the application is running in the foreground. The value true indicates that the application is in the foreground, and the value false indicates the opposite. |
| bundle_version | string | Application version. |
| bundle_name | string | Application name. |
| process_name | string | Process name of the application. |
| pid | number | Process ID of the application. |
| uid | number | User ID of the application. |
| uuid | string | Error ID, which is generated based on fault information and uniquely identifies crash faults of the same type. |
| exception | object | Exception information. For details, see exception. |
| hilog | string[] | Log information. |
| event_handler | string[] | Events not yet handled by the main thread. |
| event_handler_size_3s | string | Number of tasks in the task stack at 3s during the THREAD_BLOCK_6S event. This parameter is valid only in the THREAD_BLOCK_6S event. |
| event_handler_size_6s | string | Number of tasks in the task stack at 6s during the THREAD_BLOCK_6S event. |
| peer_binder | string[] | Binder call information. |
| threads | object[] | Full thread call stack. For details, see thread. |
| memory | object | Memory information. For details, see memory. |
| external_log12+ | string[] | Path of the error log file. If the directory files exceed the threshold (for details, see log_over_limit), new log files may fail to be written. Therefore, delete the log files immediately after they are processed. |
| log_over_limit12+ | boolean | Whether the size of generated fault log files and existing log files exceeds the upper limit (5 MB). The value true indicates that the upper limit is exceeded and logs fail to be written. The value false indicates that the upper limit is not exceeded. |
exception
| Name | Type | Description |
|---|---|---|
| name | string | Exception type. |
| message | string | Exception cause. |
thread
| Name | Type | Description |
|---|---|---|
| thread_name | string | Thread name. |
| tid | number | Thread ID. |
| frames | object[] | Thread call stack. For details, see frame. |
frame (native)
| Name | Type | Description |
|---|---|---|
| symbol | string | Function name. When the device is heavily loaded and the call stack is obtained in low-overhead mode, the function name may be lost. |
| file | string | File name. |
| buildId | string | Unique file ID. When the device is heavily loaded and the call stack is obtained in low-overhead mode, the buildId information may be lost. |
| pc | string | PC register address. |
| offset | number | Function offset. |
frame (JS)
| Name | Type | Description |
|---|---|---|
| file | string | File name. |
| packageName | string | Package name of the module. |
| symbol | string | Function name. |
| column | number | The column where an exception occurs. |
| line | number | The line where an exception occurs. |
memory
| Name | Type | Description |
|---|---|---|
| rss | number | Size of the memory allocated for a process, in KB. |
| vss | number | Size of the virtual memory applied by a process from the system, in KB. |
| pss | number | Size of the physical memory actually used by a process, in KB. |
| sys_free_mem | number | Size of free memory, in KB. |
| sys_avail_mem | number | Size of available memory, in KB. |
| sys_total_mem | number | Total memory size, in KB. |
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