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Unified ring buffer size #133

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merged 1 commit into from
Dec 28, 2023
Merged

Unified ring buffer size #133

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3 changes: 3 additions & 0 deletions src/pg_lock_tracer/helper.py
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,9 @@ def lock_type_to_int(lock_name):


class BPFHelper:
# The size of the kernel ring buffer
page_cnt = 2048

@staticmethod
def enum_to_defines(enum_instance, prefix):
"""
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2 changes: 1 addition & 1 deletion src/pg_lock_tracer/pg_lock_tracer.py
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Expand Up @@ -692,7 +692,7 @@ def init(self):

# Open the event queue
self.bpf_instance["lockevents"].open_perf_buffer(
self.output_class.print_event, page_cnt=2048
self.output_class.print_event, page_cnt=BPFHelper.page_cnt
)

def register_probe(self, function_regex, bpf_fn_name, probe_on_enter=True):
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2 changes: 1 addition & 1 deletion src/pg_lock_tracer/pg_lw_lock_tracer.py
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Expand Up @@ -347,7 +347,7 @@ def init(self):
)

self.bpf_instance["lockevents"].open_perf_buffer(
self.print_lock_event, page_cnt=64
self.print_lock_event, page_cnt=BPFHelper.page_cnt
)

def print_statistics(self):
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