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Fix the max_mem_rss measurement #192

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merged 6 commits into from
Jun 12, 2024
Merged

Fix the max_mem_rss measurement #192

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bbc7fa5
Fix the max_mem_rss measurement
mdboom Jun 12, 2024
ae3414f
Fix Windows
mdboom Jun 12, 2024
c0ed773
Don't provide a default value for resource_type
mdboom Jun 12, 2024
ad789ee
Fix Windows
mdboom Jun 12, 2024
5b08621
Use an abstraction
mdboom Jun 12, 2024
54077f9
Update pyperf/_process_time.py
mdboom Jun 12, 2024
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2 changes: 1 addition & 1 deletion pyperf/_collect_metadata.py
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Original file line number Diff line number Diff line change
Expand Up @@ -208,7 +208,7 @@ def collect_system_metadata(metadata):

def collect_memory_metadata(metadata):
if resource is not None:
metadata["mem_max_rss"] = get_max_rss()
metadata["mem_max_rss"] = get_max_rss(resource.RUSAGE_SELF)

# Note: Don't collect VmPeak of /proc/self/status on Linux because it is
# not accurate. See pyperf._linux_memory for more accurate memory metrics.
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8 changes: 4 additions & 4 deletions pyperf/_process_time.py
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Original file line number Diff line number Diff line change
Expand Up @@ -26,9 +26,9 @@
resource = None


def get_max_rss():
def get_max_rss(resource_type):
if resource is not None:
usage = resource.getrusage(resource.RUSAGE_CHILDREN)
usage = resource.getrusage(resource_type)
if sys.platform == 'darwin':
return usage.ru_maxrss
return usage.ru_maxrss * 1024
Expand Down Expand Up @@ -61,7 +61,7 @@ def bench_process(loops, args, kw, profile_filename=None):
args = [args[0], "-m", "cProfile", "-o", temp_profile_filename] + args[1:]

for _ in range_it:
start_rss = get_max_rss()
start_rss = get_max_rss(resource.RUSAGE_CHILDREN)
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resource.RUSAGE_CHILDREN doesn't work on Windows: resource module is not available there.

You should add an abstraction, like having a children=True parameter for get_max_rss().


proc = subprocess.Popen(args, **kw)
with proc:
Expand All @@ -75,7 +75,7 @@ def bench_process(loops, args, kw, profile_filename=None):
os.unlink(temp_profile_filename)
sys.exit(exitcode)

rss = get_max_rss() - start_rss
rss = get_max_rss(resource.RUSAGE_CHILDREN) - start_rss
max_rss = max(max_rss, rss)

if profile_filename:
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