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Fix variable initialization in BPF tracepoint example

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Pragyansh Chaturvedi
2025-11-30 04:31:39 +05:30
committed by GitHub
parent 0fd6bea211
commit dc995a1448
1 changed files with 2 additions and 3 deletions
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README.md
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@ -88,15 +88,14 @@ def hist() -> HashMap:
@section("tracepoint/syscalls/sys_enter_clone") @section("tracepoint/syscalls/sys_enter_clone")
def hello(ctx: c_void_p) -> c_int64: def hello(ctx: c_void_p) -> c_int64:
process_id = pid() process_id = pid()
one = 1
prev = hist.lookup(process_id) prev = hist.lookup(process_id)
if prev: if prev:
previous_value = prev + 1 previous_value = prev + 1
print(f"count: {previous_value} with {process_id}") print(f"count: {previous_value} with {process_id}")
hist.update(process_id, previous_value) hist.update(process_id, previous_value)
return c_int64(0) return 0
else: else:
hist.update(process_id, one) hist.update(process_id, 1)
return 0 return 0