Skip to content

utilisation rate use engine count #1

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
larunbe wants to merge 1 commit into from
Closed

utilisation rate use engine count #1

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions include/nvtop/extract_gpuinfo_common.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,7 @@ struct gpuinfo_static_info {
unsigned n_shared_cores;
unsigned l2cache_size;
unsigned n_exec_engines;
unsigned engine_count;
bool integrated_graphics;
bool encode_decode_shared;
unsigned char valid[(gpuinfo_static_info_count + CHAR_BIT - 1) / CHAR_BIT];
Expand Down
3 changes: 2 additions & 1 deletion src/extract_gpuinfo.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -337,6 +337,7 @@ void gpuinfo_refresh_utilisation_rate(struct gpu_info *gpu_info) {

uint64_t gfx_total_process_cycles = 0;
uint64_t total_delta = 0;
unsigned int ec = gpu_info->static_info.engine_count ? : 1;
unsigned int utilisation_rate;
uint64_t max_freq_hz;
double avg_delta_secs;
Expand All @@ -353,7 +354,7 @@ void gpuinfo_refresh_utilisation_rate(struct gpu_info *gpu_info) {

avg_delta_secs = ((double)total_delta / gpu_info->processes_count) / 1000000000.0;
max_freq_hz = gpu_info->dynamic_info.gpu_clock_speed_max * 1000000;
utilisation_rate = (unsigned int)((((double)gfx_total_process_cycles) / (((double)max_freq_hz) * avg_delta_secs * 2)) * 100);
utilisation_rate = (unsigned int)((((double)gfx_total_process_cycles) / (((double)max_freq_hz) * avg_delta_secs * ec)) * 100);
utilisation_rate = utilisation_rate > 100 ? 100 : utilisation_rate;

SET_GPUINFO_DYNAMIC(&gpu_info->dynamic_info, gpu_util_rate, utilisation_rate);
Expand Down
6 changes: 4 additions & 2 deletions src/extract_gpuinfo_mali_common.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -529,8 +529,10 @@ bool mali_common_parse_drm_fdinfo(struct gpu_info *info, FILE *fdinfo_file,
}
}

if (fid->engine_count)
SET_GPUINFO_PROCESS(process_info, gfx_engine_used, total_time);
if (fid->engine_count) {
SET_GPUINFO_PROCESS(process_info, gfx_engine_used, total_time);
info->static_info.engine_count = fid->engine_count;
}

if (!client_id_set)
return false;
Expand Down