openpilot1/selfdrive/debug/live_cpu_and_temp.py

107 lines
2.9 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import capnp
from collections import defaultdict
from cereal.messaging import SubMaster
from openpilot.common.numpy_fast import mean
def cputime_total(ct):
return ct.user + ct.nice + ct.system + ct.idle + ct.iowait + ct.irq + ct.softirq
def cputime_busy(ct):
return ct.user + ct.nice + ct.system + ct.irq + ct.softirq
def proc_cputime_total(ct):
return ct.cpuUser + ct.cpuSystem + ct.cpuChildrenUser + ct.cpuChildrenSystem
def proc_name(proc):
name = proc.name
if len(proc.cmdline):
name = proc.cmdline[0]
if len(proc.exe):
name = proc.exe + " - " + name
return name
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument('--mem', action='store_true')
parser.add_argument('--cpu', action='store_true')
args = parser.parse_args()
sm = SubMaster(['deviceState', 'procLog'])
last_temp = 0.0
last_mem = 0.0
total_times = [0.]*8
busy_times = [0.]*8
prev_proclog: capnp._DynamicStructReader | None = None
prev_proclog_t: int | None = None
while True:
sm.update()
if sm.updated['deviceState']:
t = sm['deviceState']
last_temp = mean(t.cpuTempC)
last_mem = t.memoryUsagePercent
if sm.updated['procLog']:
m = sm['procLog']
cores = [0.]*8
total_times_new = [0.]*8
busy_times_new = [0.]*8
for c in m.cpuTimes:
n = c.cpuNum
total_times_new[n] = cputime_total(c)
busy_times_new[n] = cputime_busy(c)
for n in range(8):
t_busy = busy_times_new[n] - busy_times[n]
t_total = total_times_new[n] - total_times[n]
cores[n] = t_busy / t_total
total_times = total_times_new[:]
busy_times = busy_times_new[:]
print(f"CPU {100.0 * mean(cores):.2f}% - RAM: {last_mem:.2f}% - Temp {last_temp:.2f}C")
if args.cpu and prev_proclog is not None and prev_proclog_t is not None:
procs: dict[str, float] = defaultdict(float)
dt = (sm.logMonoTime['procLog'] - prev_proclog_t) / 1e9
for proc in m.procs:
try:
name = proc_name(proc)
prev_proc = [p for p in prev_proclog.procs if proc.pid == p.pid][0]
cpu_time = proc_cputime_total(proc) - proc_cputime_total(prev_proc)
cpu_usage = cpu_time / dt * 100.
procs[name] += cpu_usage
except IndexError:
pass
print("Top CPU usage:")
for k, v in sorted(procs.items(), key=lambda item: item[1], reverse=True)[:10]:
print(f"{k.rjust(70)} {v:.2f} %")
print()
if args.mem:
mems = {}
for proc in m.procs:
name = proc_name(proc)
mems[name] = float(proc.memRss) / 1e6
print("Top memory usage:")
for k, v in sorted(mems.items(), key=lambda item: item[1], reverse=True)[:10]:
print(f"{k.rjust(70)} {v:.2f} MB")
print()
prev_proclog = m
prev_proclog_t = sm.logMonoTime['procLog']