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AI Code Review completed. See inline comments for details.

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AI Code Review completed. See inline comments for details.

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🤖 AI Code Review Summary

Reviewed 4 files and found 3 issues.

Severity Breakdown

  • Warning: 2
  • Info: 1

Category Breakdown

  • Logic: 2
  • Maintainability: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Avoid using bare except clauses as they catch all exceptions, including system-exiting exceptions like SystemExit and KeyboardInterrupt. This can lead to unexpected behavior and make debugging difficult.

Suggested fix:

Suggested change
except:
except Exception:

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AI Code Review completed. See inline comments for details.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Using bare except: is not recommended as it catches all exceptions, including system-exiting exceptions like SystemExit and KeyboardInterrupt. It's better to catch specific exceptions or use except Exception: to catch all non-system-exiting exceptions.

Suggested fix:

Suggested change
except:
except Exception:

for interpreter_info in stack_frames:
for thread_info in interpreter_info.threads:
if (
self.skip_idle
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⚠️ Logic

The condition thread_info.status != THREAD_STATE_RUNNING assumes that thread_info.status will always be a valid state. Consider adding validation to ensure thread_info.status is a recognized state to prevent potential logic errors.

Confidence: 70%

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🤖 AI Code Review Summary

Reviewed 4 files and found 2 issues.

Severity Breakdown

  • Warning: 2

Category Breakdown

  • Maintainability: 1
  • Logic: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Using bare except: is not recommended as it catches all exceptions, including system-exiting exceptions like SystemExit and KeyboardInterrupt. It's better to catch specific exceptions or use except Exception: to catch all standard exceptions.

Suggested fix:

Suggested change
except:
except Exception:

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🤖 AI Code Review Summary

Reviewed 4 files and found 1 issues.

Severity Breakdown

  • Warning: 1

Category Breakdown

  • Maintainability: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Using a bare except: is not recommended as it catches all exceptions, including system-exiting exceptions like SystemExit and KeyboardInterrupt. It's better to catch specific exceptions or use except Exception: to catch all non-system-exiting exceptions.

Suggested fix:

Suggested change
except:
except Exception:

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🤖 AI Code Review Summary

Reviewed 4 files and found 1 issues.

Severity Breakdown

  • Warning: 1

Category Breakdown

  • Maintainability: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Using a bare except: is not recommended as it catches all exceptions, including system-exiting exceptions like SystemExit and KeyboardInterrupt. It's better to catch specific exceptions or use except Exception: to catch all standard exceptions.

Suggested fix:

Suggested change
except:
except Exception:

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🤖 AI Code Review Summary

Reviewed 4 files and found 1 issues.

Severity Breakdown

  • Warning: 1

Category Breakdown

  • Maintainability: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

self.start_time = time.time() * 1000 # milliseconds since epoch

# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
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ℹ️ Maintainability

Using a mutable default value like a list can lead to unexpected behavior if the list is modified elsewhere. Consider using a tuple if the list is not meant to be modified.

Suggested fix:

Suggested change
self.global_strings = ["(root)"] # Start with root
self.global_strings = ("(root)",)

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🤖 AI Code Review Summary

Reviewed 4 files and found 1 issues.

Severity Breakdown

  • Info: 1

Category Breakdown

  • Maintainability: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Using a bare except: is not recommended as it catches all exceptions, including system-exiting exceptions like SystemExit, KeyboardInterrupt, and GeneratorExit. It's better to catch specific exceptions or use except Exception: to avoid catching system-exiting exceptions.

Suggested fix:

Suggested change
except:
except Exception:

self.start_time = time.time() * 1000 # milliseconds since epoch

# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
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ℹ️ Performance

Consider using a set instead of a list for self.global_strings if the order of elements is not important and you want to ensure uniqueness of strings. This can improve performance for membership checks.

Confidence: 70%


# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
self.global_string_map = {"(root)": 0}
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ℹ️ Logic

The self.global_string_map is initialized with a single entry. Ensure that this map is updated consistently with self.global_strings to avoid discrepancies between the two data structures.

self.global_string_map = {"(root)": 0}

# Per-thread data structures
self.threads = {} # tid -> thread data
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ℹ️ Maintainability

Consider using collections.defaultdict for self.threads to simplify the initialization of new thread entries.

Suggested fix:

Suggested change
self.threads = {} # tid -> thread data
self.threads = defaultdict(dict) # tid -> thread data

self.threads = {} # tid -> thread data

# Global tables
self.libs = []
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ℹ️ Performance

If self.libs is intended to store unique library entries, consider using a set to prevent duplicate entries and improve performance of membership checks.

Confidence: 70%

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🤖 AI Code Review Summary

Reviewed 4 files and found 5 issues.

Severity Breakdown

  • Warning: 1
  • Info: 4

Category Breakdown

  • Maintainability: 2
  • Performance: 2
  • Logic: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Catching all exceptions without specifying the exception type is not recommended as it can lead to debugging difficulties and may hide unexpected errors. It's better to catch specific exceptions or use except Exception: to catch all standard exceptions.

Suggested fix:

Suggested change
except:
except Exception:

self.start_time = time.time() * 1000 # milliseconds since epoch

# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
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ℹ️ Performance

Consider using a set for self.global_strings to prevent duplicate entries and improve lookup performance.

Confidence: 70%


# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
self.global_string_map = {"(root)": 0}
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⚠️ Logic

The self.global_string_map dictionary is used to map strings to indices. Ensure that this map is updated consistently whenever self.global_strings is modified to prevent mismatches.

self.threads = {} # tid -> thread data

# Global tables
self.libs = []
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ℹ️ Performance

Consider using a set for self.libs if the order of libraries is not important and you want to avoid duplicates.

Confidence: 70%

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🤖 AI Code Review Summary

Reviewed 4 files and found 4 issues.

Severity Breakdown

  • Warning: 2
  • Info: 2

Category Breakdown

  • Performance: 2
  • Maintainability: 1
  • Logic: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Using a bare except: is not recommended as it catches all exceptions, including system-exiting exceptions like SystemExit, KeyboardInterrupt, and GeneratorExit. It's better to catch specific exceptions or use except Exception: to avoid catching these system-exiting exceptions.

Suggested fix:

Suggested change
except:
except Exception:

# Sampling interval tracking
self.sample_count = 0
self.last_sample_time = 0
self.interval = 1.0 # Will be calculated from actual sampling
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ℹ️ Logic

The initial value of self.interval is set to 1.0, but it's not clear how this value is determined or if it's appropriate. Consider initializing this value based on a more meaningful default or configuration to ensure accurate sampling intervals.

Confidence: 70%

self.start_time = time.time() * 1000 # milliseconds since epoch

# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
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ℹ️ Performance

Consider using a set instead of a list for self.global_strings if the order of elements is not important and you need to ensure uniqueness. This can improve performance when checking for membership.


# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
self.global_string_map = {"(root)": 0}
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ℹ️ Logic

The self.global_string_map is initialized with a single entry. Ensure that this map is updated consistently with self.global_strings to avoid discrepancies between the two data structures.

self.global_string_map = {"(root)": 0}

# Per-thread data structures
self.threads = {} # tid -> thread data
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ℹ️ Maintainability

Consider using collections.defaultdict for self.threads to simplify the initialization of new thread entries and avoid key errors.

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🤖 AI Code Review Summary

Reviewed 4 files and found 5 issues.

Severity Breakdown

  • Warning: 1
  • Info: 4

Category Breakdown

  • Maintainability: 2
  • Logic: 2
  • Performance: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Catching bare exceptions is not recommended as it can catch unexpected exceptions and make debugging difficult. Specify the exception type you expect to handle.

Suggested fix:

Suggested change
except:
except Exception:

# Sampling interval tracking
self.sample_count = 0
self.last_sample_time = 0
self.interval = 1.0 # Will be calculated from actual sampling
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ℹ️ Maintainability

The initial value of self.interval is set to 1.0, but it is not clear why this value is chosen. Consider adding a comment explaining the choice of this initial value or calculate it based on a more meaningful metric.

self.start_time = time.time() * 1000 # milliseconds since epoch

# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
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ℹ️ Performance

Consider using a set for self.global_strings if you need to ensure uniqueness and improve lookup performance. If order is important, you might want to use collections.OrderedDict.

Confidence: 70%

self.global_string_map = {"(root)": 0}

# Per-thread data structures
self.threads = {} # tid -> thread data
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ℹ️ Maintainability

Consider using collections.defaultdict for self.threads to simplify the initialization of new thread entries.

self.threads = {} # tid -> thread data

# Global tables
self.libs = []
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ℹ️ Performance

Consider using a set for self.libs if you need to ensure uniqueness and improve lookup performance.

Confidence: 70%

@pablogsal
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🤖 AI Code Review Summary

Reviewed 4 files and found 5 issues.

Severity Breakdown

  • Warning: 1
  • Info: 4

Category Breakdown

  • Maintainability: 3
  • Performance: 2

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Catching all exceptions without specifying the exception type can lead to debugging difficulties and may inadvertently catch unexpected exceptions. It's a good practice to catch specific exceptions or use except Exception: to avoid catching system-exiting exceptions like SystemExit and KeyboardInterrupt.

Suggested fix:

Suggested change
except:
except Exception:

# Sampling interval tracking
self.sample_count = 0
self.last_sample_time = 0
self.interval = 1.0 # Will be calculated from actual sampling
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ℹ️ Maintainability

The initial value of self.interval is set to 1.0, but it is not clear what unit this represents or why this default is chosen. Consider adding a comment to clarify the choice of this default value or calculate it based on initial conditions.


# Sampling interval tracking
self.sample_count = 0
self.last_sample_time = 0
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⚠️ Logic

Initializing self.last_sample_time to 0 may lead to incorrect interval calculations if collect is called before any samples are taken. Consider initializing this with the current time or handling the zero case explicitly in the interval calculation.

self.start_time = time.time() * 1000 # milliseconds since epoch

# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
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Security

Using a list for self.global_strings without any synchronization mechanism may lead to race conditions if accessed from multiple threads. Consider using thread-safe data structures or adding locks around accesses to this list.


# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
self.global_string_map = {"(root)": 0}
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Security

The self.global_string_map dictionary is shared across threads but lacks synchronization, which can lead to race conditions. Consider using a thread-safe dictionary or adding locks to ensure thread safety.

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🤖 AI Code Review Summary

Reviewed 4 files and found 5 issues.

Severity Breakdown

  • Error: 2
  • Warning: 2
  • Info: 1

Category Breakdown

  • Maintainability: 2
  • Security: 2
  • Logic: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Using a bare except: is not recommended as it catches all exceptions, including system-exiting exceptions like SystemExit, KeyboardInterrupt, and GeneratorExit. It's better to catch specific exceptions or use except Exception: to catch all standard exceptions.

Suggested fix:

Suggested change
except:
except Exception:

# Sampling interval tracking
self.sample_count = 0
self.last_sample_time = 0
self.interval = 1.0 # Will be calculated from actual sampling
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ℹ️ Maintainability

The initial value of self.interval is set to 1.0, but it is not clear if this is the intended default or just a placeholder. Consider documenting the rationale behind this initial value or setting it to None if it should only be calculated from actual sampling.

self.start_time = time.time() * 1000 # milliseconds since epoch

# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
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⚠️ Maintainability

The use of a mutable default value like a list can lead to unexpected behavior if the list is modified elsewhere in the code. Ensure that this list is not inadvertently modified or consider using an immutable type if possible.

Confidence: 70%

self.global_string_map = {"(root)": 0}

# Per-thread data structures
self.threads = {} # tid -> thread data
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ℹ️ Performance

Consider using collections.defaultdict for self.threads if you frequently check for the existence of keys and initialize them. This can simplify the code by removing the need for explicit checks and initializations.

self.threads = {} # tid -> thread data

# Global tables
self.libs = []
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ℹ️ Maintainability

The self.libs list is initialized but never used in the provided code. If this is intentional, consider adding a comment explaining its future use or remove it if it's unnecessary.

@pablogsal
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🤖 AI Code Review Summary

Reviewed 4 files and found 5 issues.

Severity Breakdown

  • Warning: 2
  • Info: 3

Category Breakdown

  • Maintainability: 4
  • Performance: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Using a bare except: is not recommended as it catches all exceptions, including system-exiting exceptions like SystemExit, KeyboardInterrupt, and GeneratorExit. It's better to catch specific exceptions or use except Exception: to catch all standard exceptions.

Suggested fix:

Suggested change
except:
except Exception:

# Sampling interval tracking
self.sample_count = 0
self.last_sample_time = 0
self.interval = 1.0 # Will be calculated from actual sampling
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ℹ️ Maintainability

The initial value of self.interval is set to 1.0, but it is not clear why this specific value is chosen. Consider adding a comment explaining the choice of this initial value or using a constant with a descriptive name.

self.start_time = time.time() * 1000 # milliseconds since epoch

# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
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ℹ️ Logic

The list self.global_strings is initialized with a single element "(root)". Ensure that this initialization is intentional and that the element is necessary for the functionality of the collector.

Confidence: 70%

self.global_string_map = {"(root)": 0}

# Per-thread data structures
self.threads = {} # tid -> thread data
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ℹ️ Maintainability

Consider using collections.defaultdict for self.threads to simplify the initialization of new threads. This can make the code cleaner and reduce the need for explicit checks and initializations.

self.threads = {} # tid -> thread data

# Global tables
self.libs = []
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ℹ️ Maintainability

The self.libs list is initialized but never used in the provided code. If it's not needed, consider removing it to simplify the class. If it will be used later, ensure that its purpose is documented.

Confidence: 70%

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🤖 AI Code Review Summary

Reviewed 4 files and found 5 issues.

Severity Breakdown

  • Warning: 1
  • Info: 4

Category Breakdown

  • Maintainability: 4
  • Logic: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

from .collector import Collector
from .pstats_collector import PstatsCollector
from .stack_collector import CollapsedStackCollector
from .gecko_collector import GeckoCollector
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ℹ️ Testing

The addition of GeckoCollector to the imports suggests a new feature or functionality. Ensure that the GeckoCollector class is well-documented and tested. Consider adding unit tests to cover its functionality if not already present.

from .string_table import StringTable

__all__ = ("Collector", "PstatsCollector", "CollapsedStackCollector", "StringTable")
__all__ = ("Collector", "PstatsCollector", "CollapsedStackCollector", "GeckoCollector", "StringTable")
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ℹ️ Maintainability

The __all__ list has been updated to include GeckoCollector. Ensure that this addition is intentional and that GeckoCollector is meant to be part of the public API. If GeckoCollector is not intended for public use, consider removing it from __all__.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Using a bare except: is not recommended as it catches all exceptions, including system-exiting exceptions like SystemExit and KeyboardInterrupt. It's better to catch specific exceptions or use except Exception: to catch standard exceptions.

Suggested fix:

Suggested change
except:
except Exception:

self.global_string_map = {"(root)": 0}

# Per-thread data structures
self.threads = {} # tid -> thread data
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ℹ️ Maintainability

Consider using collections.defaultdict for self.threads to simplify the logic when initializing new threads in the collect method.

self.threads = {} # tid -> thread data

# Global tables
self.libs = []
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ℹ️ Performance

If self.libs is intended to store unique library entries, consider using a set instead of a list to prevent duplicate entries and improve lookup performance.

case "flamegraph":
collector = FlamegraphCollector(skip_idle=skip_idle)
filename = filename or f"flamegraph.{pid}.html"
case "gecko":
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⚠️ Maintainability

Consider adding a validation step to ensure that the GeckoCollector is properly initialized and that the necessary dependencies are available. This can prevent runtime errors if the environment is not correctly set up for Gecko profiling.

if args.format == "collapsed":
filename = f"collapsed.{pid}.txt"
elif args.format == "gecko":
filename = f"gecko.{pid}.json"
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⚠️ Logic

Ensure that the pid variable is always defined and valid at this point in the code. If pid is not guaranteed to be valid, it could lead to runtime errors or incorrect file naming.

if not filename:
if args.format == "collapsed":
filename = f"collapsed.{pid}.txt"
elif args.format == "gecko":
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ℹ️ Maintainability

Consider adding a validation step for the gecko format similar to the collapsed format. This ensures that any format-specific arguments are correctly validated, reducing the risk of runtime errors.

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🤖 AI Code Review Summary

Reviewed 4 files and found 8 issues.

Severity Breakdown

  • Warning: 3
  • Info: 5

Category Breakdown

  • Maintainability: 5
  • Testing: 1
  • Performance: 1
  • Logic: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

from .collector import Collector
from .pstats_collector import PstatsCollector
from .stack_collector import CollapsedStackCollector
from .gecko_collector import GeckoCollector
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⚠️ Testing

Ensure that the GeckoCollector module is correctly implemented and imported. If this module is not present or has issues, it could lead to runtime errors when attempting to use it. Consider adding tests to verify its functionality.

Suggested fix:

Suggested change
from .gecko_collector import GeckoCollector
from .gecko_collector import GeckoCollector

from .string_table import StringTable

__all__ = ("Collector", "PstatsCollector", "CollapsedStackCollector", "StringTable")
__all__ = ("Collector", "PstatsCollector", "CollapsedStackCollector", "GeckoCollector", "StringTable")
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ℹ️ Maintainability

The __all__ declaration is updated to include GeckoCollector. Ensure that this is intentional and that GeckoCollector is meant to be part of the public API. If not, consider removing it from __all__.

Suggested fix:

Suggested change
__all__ = ("Collector", "PstatsCollector", "CollapsedStackCollector", "GeckoCollector", "StringTable")
__all__ = ("Collector", "PstatsCollector", "CollapsedStackCollector", "GeckoCollector", "StringTable")

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Catching bare exceptions is not recommended as it can lead to unexpected behavior and make debugging difficult. It's better to catch specific exceptions or use Exception to catch all exceptions explicitly.

Suggested fix:

Suggested change
except:
except Exception:

self.start_time = time.time() * 1000 # milliseconds since epoch

# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
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ℹ️ Performance

Consider using a set instead of a list for self.global_strings if you need to ensure uniqueness of strings, as sets provide faster membership tests.

Suggested fix:

Suggested change
self.global_strings = ["(root)"] # Start with root
self.global_strings = {"(root)"} # Start with root

Confidence: 70%


# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
self.global_string_map = {"(root)": 0}
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ℹ️ Performance

The self.global_string_map dictionary is initialized with a single entry. If this map is expected to grow significantly, consider using collections.defaultdict for more efficient handling of missing keys.

Suggested fix:

Suggested change
self.global_string_map = {"(root)": 0}
from collections import defaultdict
self.global_string_map = defaultdict(lambda: len(self.global_string_map))
self.global_string_map["(root)"] = 0

case "flamegraph":
collector = FlamegraphCollector(skip_idle=skip_idle)
filename = filename or f"flamegraph.{pid}.html"
case "gecko":
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ℹ️ Maintainability

Consider adding a comment to explain the purpose of the 'gecko' case, similar to the other cases. This will improve code readability and maintainability by providing context for future developers.

Suggested fix:

Suggested change
case "gecko":
+ # Handle gecko format for Firefox Profiler
case "gecko":

filename = filename or f"flamegraph.{pid}.html"
case "gecko":
collector = GeckoCollector(skip_idle=skip_idle)
filename = filename or f"gecko.{pid}.json"
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⚠️ Security

Ensure that the filename is sanitized to prevent potential security vulnerabilities such as path traversal attacks. This is especially important if the 'pid' or other parts of the filename can be influenced by user input.

Suggested fix:

Suggested change
filename = filename or f"gecko.{pid}.json"
+ filename = os.path.basename(filename or f"gecko.{pid}.json")

if not filename:
if args.format == "collapsed":
filename = f"collapsed.{pid}.txt"
elif args.format == "gecko":
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⚠️ Logic

Consider adding validation for the 'gecko' format-specific arguments, similar to the 'collapsed' format. This will ensure that all necessary arguments are correctly set and reduce the risk of runtime errors.

Suggested fix:

Suggested change
elif args.format == "gecko":
+ elif args.format == "gecko":
_validate_gecko_format_args(args, parser)

@pablogsal
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🤖 AI Code Review Summary

Reviewed 4 files and found 8 issues.

Severity Breakdown

  • Warning: 4
  • Info: 4

Category Breakdown

  • Maintainability: 3
  • Performance: 2
  • Testing: 1
  • Security: 1
  • Logic: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

from .collector import Collector
from .pstats_collector import PstatsCollector
from .stack_collector import CollapsedStackCollector
from .gecko_collector import GeckoCollector
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ℹ️ Testing

The addition of GeckoCollector to the imports and __all__ list suggests a new feature or functionality. Ensure that GeckoCollector is properly tested and documented. Consider adding unit tests if they are not already present to verify its behavior and integration with the existing system.

from .string_table import StringTable

__all__ = ("Collector", "PstatsCollector", "CollapsedStackCollector", "StringTable")
__all__ = ("Collector", "PstatsCollector", "CollapsedStackCollector", "GeckoCollector", "StringTable")
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ℹ️ Maintainability

The __all__ list has been updated to include GeckoCollector. This is a good practice to control what is exported when import * is used. Ensure that GeckoCollector is intended to be part of the public API and that its interface is stable.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Using a bare except: is not recommended as it catches all exceptions, including system-exiting exceptions like SystemExit, KeyboardInterrupt, and GeneratorExit. It's better to catch specific exceptions to avoid unintended behavior.

Suggested fix:

Suggested change
except:
except Exception:

self.start_time = time.time() * 1000 # milliseconds since epoch

# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
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ℹ️ Performance

Consider using a set instead of a list for self.global_strings if the order of strings is not important. This can improve performance for membership checks and ensure uniqueness of strings.

Suggested fix:

Suggested change
self.global_strings = ["(root)"] # Start with root
self.global_strings = {"(root)"} # Start with root


# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
self.global_string_map = {"(root)": 0}
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⚠️ Logic

The self.global_string_map is used to map strings to indices. Ensure that this map is updated consistently with self.global_strings to prevent mismatches.

self.global_string_map = {"(root)": 0}

# Per-thread data structures
self.threads = {} # tid -> thread data
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ℹ️ Maintainability

Consider using collections.defaultdict for self.threads to simplify the initialization of new threads and avoid key errors.

Suggested fix:

Suggested change
self.threads = {} # tid -> thread data
from collections import defaultdict
self.threads = defaultdict(self._create_thread) # tid -> thread data

case "flamegraph":
collector = FlamegraphCollector(skip_idle=skip_idle)
filename = filename or f"flamegraph.{pid}.html"
case "gecko":
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ℹ️ Maintainability

The use of the match-case statement is a great addition for readability and maintainability. However, ensure that all possible cases are handled, including a default case to catch any unexpected values. This is already done with case _, which is good practice.

filename = filename or f"flamegraph.{pid}.html"
case "gecko":
collector = GeckoCollector(skip_idle=skip_idle)
filename = filename or f"gecko.{pid}.json"
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⚠️ Security

Consider validating the pid to ensure it is a valid process identifier before using it in the filename. This can prevent potential issues with invalid filenames.


# Validate format-specific arguments
if args.format == "collapsed":
if args.format in ("collapsed", "gecko"):
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⚠️ Logic

The conditional check for args.format now includes "gecko". Ensure that the _validate_collapsed_format_args function is appropriate for validating arguments related to the "gecko" format. If not, consider creating a separate validation function for "gecko" format arguments.

@pablogsal
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🤖 AI Code Review Summary

Reviewed 4 files and found 9 issues.

Severity Breakdown

  • Warning: 4
  • Info: 5

Category Breakdown

  • Maintainability: 4
  • Logic: 2
  • Testing: 1
  • Performance: 1
  • Security: 1

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

from .collector import Collector
from .pstats_collector import PstatsCollector
from .stack_collector import CollapsedStackCollector
from .gecko_collector import GeckoCollector
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⚠️ Testing

Ensure that the GeckoCollector module is properly implemented and tested. Adding new imports without corresponding tests can lead to undetected issues if the module has bugs or integration problems.

from .string_table import StringTable

__all__ = ("Collector", "PstatsCollector", "CollapsedStackCollector", "StringTable")
__all__ = ("Collector", "PstatsCollector", "CollapsedStackCollector", "GeckoCollector", "StringTable")
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ℹ️ Maintainability

Including GeckoCollector in __all__ is a good practice as it explicitly defines the public API of the module. Ensure that GeckoCollector is well-documented and its interface is stable.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Using a bare except: is not recommended as it catches all exceptions, including system-exiting exceptions like SystemExit, KeyboardInterrupt, and GeneratorExit. It's better to catch specific exceptions to avoid unintended behavior and make debugging easier.

Suggested fix:

Suggested change
except:
except Exception:

# Sampling interval tracking
self.sample_count = 0
self.last_sample_time = 0
self.interval = 1.0 # Will be calculated from actual sampling
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ℹ️ Logic

The initial value of self.interval is set to 1.0, which might not be representative of the actual sampling interval. Consider initializing it to None or a more meaningful default value based on your application's requirements.

self.start_time = time.time() * 1000 # milliseconds since epoch

# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
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ℹ️ Performance

Consider using a set instead of a list for self.global_strings if you need to ensure unique entries and optimize membership tests. This can improve performance when checking for existing strings.

Confidence: 70%

self.global_string_map = {"(root)": 0}

# Per-thread data structures
self.threads = {} # tid -> thread data
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ℹ️ Maintainability

Consider using collections.defaultdict for self.threads to simplify the code when adding new threads. This can make the code cleaner and potentially improve performance by avoiding explicit checks for key existence.

case "flamegraph":
collector = FlamegraphCollector(skip_idle=skip_idle)
filename = filename or f"flamegraph.{pid}.html"
case "gecko":
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ℹ️ Logic

Consider adding a validation step for the gecko format similar to other formats. This ensures that any specific requirements or constraints for the gecko format are checked before proceeding.

filename = filename or f"flamegraph.{pid}.html"
case "gecko":
collector = GeckoCollector(skip_idle=skip_idle)
filename = filename or f"gecko.{pid}.json"
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⚠️ Logic

Ensure that the pid variable is always defined and valid at this point in the code. If pid can be None or invalid, it might lead to unexpected filename generation.

if not filename:
if args.format == "collapsed":
filename = f"collapsed.{pid}.txt"
elif args.format == "gecko":
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ℹ️ Maintainability

Consider adding a validation function for the gecko format similar to _validate_collapsed_format_args. This will help maintain consistency and ensure that all necessary arguments for the gecko format are validated.

dest="format",
help="Generate HTML flamegraph visualization",
)
output_format.add_argument(
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⚠️ Testing

Ensure that the new --gecko argument does not conflict with existing arguments and is correctly parsed. Consider adding tests to verify the behavior when this argument is used.

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🤖 AI Code Review Summary

Reviewed 4 files and found 11 issues.

Severity Breakdown

  • Warning: 4
  • Info: 7

Category Breakdown

  • Maintainability: 4
  • Logic: 3
  • Testing: 2
  • Performance: 2

Generated by AI PR Reviewer

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AI Code Review completed. See inline comments for details.

from .collector import Collector
from .pstats_collector import PstatsCollector
from .stack_collector import CollapsedStackCollector
from .gecko_collector import GeckoCollector
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ℹ️ Maintainability

Consider adding a comment or docstring to explain the purpose of importing GeckoCollector. This can improve code readability and maintainability by providing context for future developers.

from .string_table import StringTable

__all__ = ("Collector", "PstatsCollector", "CollapsedStackCollector", "StringTable")
__all__ = ("Collector", "PstatsCollector", "CollapsedStackCollector", "GeckoCollector", "StringTable")
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⚠️ Testing

Ensure that GeckoCollector is correctly implemented and tested. Adding a new component to __all__ exposes it as part of the module's public API, so it's important to verify its stability and correctness.

# Determine if this is the main thread
try:
is_main = tid == threading.main_thread().ident
except:
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⚠️ Maintainability

Using a bare except: is not recommended as it catches all exceptions, including system-exiting exceptions like SystemExit, KeyboardInterrupt, and GeneratorExit. It's better to catch specific exceptions or use except Exception: to avoid catching these system-exiting exceptions.

Suggested fix:

Suggested change
except:
except Exception:

self.start_time = time.time() * 1000 # milliseconds since epoch

# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
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ℹ️ Maintainability

Consider using a constant for the root string to improve maintainability and readability. This avoids magic strings scattered throughout the code.

Suggested fix:

Suggested change
self.global_strings = ["(root)"] # Start with root
ROOT_STRING = "(root)"
self.global_strings = [ROOT_STRING]


# Global string table (shared across all threads)
self.global_strings = ["(root)"] # Start with root
self.global_string_map = {"(root)": 0}
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ℹ️ Maintainability

Consider using the ROOT_STRING constant here as well to maintain consistency and avoid magic strings.

Suggested fix:

Suggested change
self.global_string_map = {"(root)": 0}
self.global_string_map = {ROOT_STRING: 0}

if not filename and args.format == "collapsed":
filename = f"collapsed.{pid}.txt"
if not filename:
if args.format == "collapsed":
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ℹ️ Maintainability

The nested conditional structure here could be simplified for better readability and maintainability. Consider using a dictionary to map formats to filenames, which can make the code more concise and easier to extend in the future.

Suggested fix:

Suggested change
if args.format == "collapsed":
format_to_filename = {
"collapsed": f"collapsed.{pid}.txt",
"gecko": f"gecko.{pid}.json"
}
filename = filename or format_to_filename.get(args.format)

if not filename:
if args.format == "collapsed":
filename = f"collapsed.{pid}.txt"
elif args.format == "gecko":
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ℹ️ Maintainability

This line is part of a nested conditional structure that could be simplified. Consider using a dictionary to map formats to filenames, which can make the code more concise and easier to extend in the future.

Suggested fix:

Suggested change
elif args.format == "gecko":
format_to_filename = {
"collapsed": f"collapsed.{pid}.txt",
"gecko": f"gecko.{pid}.json"
}
filename = filename or format_to_filename.get(args.format)

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🤖 AI Code Review Summary

Reviewed 4 files and found 7 issues.

Severity Breakdown

  • Warning: 2
  • Info: 5

Category Breakdown

  • Maintainability: 6
  • Testing: 1

Generated by AI PR Reviewer

@ivonastojanovic ivonastojanovic force-pushed the gecko_reporter branch 2 times, most recently from 1b3b603 to 352ea21 Compare September 29, 2025 09:52
Signed-off-by: Pablo Galindo Salgado <pablogsal@gmail.com>
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