|  | v8
    9.0.257(node16.0.0)
    V8 is Google's open source JavaScript engine | 
#include <v8-metrics.h>
| Data Fields | |
| int64_t | total_wall_clock_duration_in_us = -1 | 
| int64_t | main_thread_wall_clock_duration_in_us = -1 | 
| double | collection_rate_in_percent | 
| double | efficiency_in_bytes_per_us | 
| double | main_thread_efficiency_in_bytes_per_us | 
Definition at line 57 of file v8-metrics.h.
| double collection_rate_in_percent | 
Definition at line 60 of file v8-metrics.h.
| double efficiency_in_bytes_per_us | 
Definition at line 61 of file v8-metrics.h.
| double main_thread_efficiency_in_bytes_per_us | 
Definition at line 62 of file v8-metrics.h.
| int64_t main_thread_wall_clock_duration_in_us = -1 | 
Definition at line 59 of file v8-metrics.h.
| int64_t total_wall_clock_duration_in_us = -1 | 
Definition at line 58 of file v8-metrics.h.