Created
May 11, 2026 10:48
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use macmon to develop report on GPU usage on m4 mac
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| library(littleDeep) | |
| library(processx) | |
| tf = tempfile() | |
| fstr = paste0(">>", tf) | |
| #file.create(tf) | |
| basecmd = sprintf("/Users/vincentcarey/INSTRUMENTATION/macmon/target/release/macmon") | |
| pp = process$new(basecmd, c("pipe"), stdout=fstr) | |
| suppress_keras_warnings() | |
| r1 = run_cifar100(nEpochs=3) | |
| pp$kill() | |
| library(jsonlite) | |
| z = readLines(tf) | |
| library(jsonlite) | |
| library(tibble) | |
| library(dplyr) | |
| library(purrr) | |
| parse_macmon_record <- function(json_str) { | |
| r <- fromJSON(json_str) | |
| tibble( | |
| timestamp = as.POSIXct(r$timestamp, format = "%Y-%m-%dT%H:%M:%OS", tz = "UTC"), | |
| # Power (watts) | |
| all_power = r$all_power, | |
| sys_power = r$sys_power, | |
| cpu_power = r$cpu_power, | |
| gpu_power = r$gpu_power, | |
| gpu_ram_power = r$gpu_ram_power, | |
| ram_power = r$ram_power, | |
| ane_power = r$ane_power, | |
| # CPU utilization | |
| cpu_usage_pct = r$cpu_usage_pct, | |
| ecpu_freq_mhz = r$ecpu_usage[[1]], | |
| ecpu_usage_ratio = r$ecpu_usage[[2]], | |
| pcpu_freq_mhz = r$pcpu_usage[[1]], | |
| pcpu_usage_ratio = r$pcpu_usage[[2]], | |
| # GPU | |
| gpu_freq_mhz = r$gpu_usage[[1]], | |
| gpu_usage_ratio = r$gpu_usage[[2]], | |
| # Memory (convert bytes -> GB) | |
| ram_total_gb = r$memory$ram_total / 1e9, | |
| ram_used_gb = r$memory$ram_usage / 1e9, | |
| swap_total_gb = r$memory$swap_total / 1e9, | |
| swap_used_gb = r$memory$swap_usage / 1e9, | |
| # Temperature | |
| cpu_temp_c = r$temp$cpu_temp_avg, | |
| gpu_temp_c = r$temp$gpu_temp_avg | |
| ) | |
| } | |
| # For a vector of JSONL lines (e.g. from readLines()): | |
| # records <- readLines("macmon_log.jsonl") | |
| # df <- map(records, parse_macmon_record) |> list_rbind() | |
| df <- map(z, parse_macmon_record) |> list_rbind() | |
| glimpse(df) |
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