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Fix several issues in tegra observer #408

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Merged
benvanwerkhoven merged 4 commits into from
Sep 29, 2026
Merged

Fix several issues in tegra observer #408

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b730f70
Fix warning in tegra __del__, occuring when __init__ fails
loostrum Sep 29, 2026
b64010c
Fix initialization of tegra class in get_tegra_gr_clocks
loostrum Sep 29, 2026
c1368fc
Add gpu-thermal as possible Tegra GPU tempature sensor name
loostrum Sep 29, 2026
2f0b4be
Fix conversion to int of length-1 array in tegra observer
loostrum Sep 29, 2026
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8 changes: 4 additions & 4 deletions kernel_tuner/observers/tegra.py
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,7 @@ def get_temp_path(self):
for zone in Path("/sys/class/thermal").iterdir():
with open(zone / Path("type")) as fp:
name = fp.read().strip()
if name == "GPU-therm":
if name in ("GPU-therm", "gpu-thermal"):
gpu_temp_path = str(zone)
break

Expand Down Expand Up @@ -118,7 +118,7 @@ def _read_clock_file(self, fname):
if len(raw_data) > 1:
data = raw_data.astype(int)
else:
data = int(raw_data)
data = int(raw_data[0])
return data

def _write_clock_file(self, fname, value):
Expand Down Expand Up @@ -168,7 +168,7 @@ def reset_clock(self):

def __del__(self):
# restore original core clocks, if changed
if self.has_changed_clocks:
if hasattr(self, "has_changed_clocks") and self.has_changed_clocks:
self.reset_clock()

def read_gpu_temp(self):
Expand Down Expand Up @@ -294,7 +294,7 @@ def get_results(self):

def get_tegra_gr_clocks(n=None, quiet=False):
"""Get tunable parameter for Tegra graphics clock, n is desired number of values."""
d = tegra()
d = tegra(power_path="", temp_path="")
gr_clocks = d.supported_gr_clocks

if n and (len(gr_clocks) > n):
Expand Down
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