Bin Chen created TS-1579:
----------------------------
Summary: register_ShowNet calling is high load
Key: TS-1579
URL: https://issues.apache.org/jira/browse/TS-1579
Project: Traffic Server
Issue Type: Bug
Components: Stats
Affects Versions: 3.2.0
Reporter: Bin Chen
Assignee: Bin Chen
a box running ts:
{code}
run perf top
samples pcnt function
DSO
_______ _____
_____________________________________________________________ __________________
1270.00 7.8% register_ShowNet(Continuation*, HTTPHdr*)
traffic_server
860.00 5.3% copy_user_generic_string
[kernel.kallsyms]
743.00 4.6% ixgbe_notify_dca
[ixgbe]
425.00 2.6% ink_freelist_new
libtsutil.so.3.2.0
260.00 1.6% kmem_cache_free
[kernel.kallsyms]
248.00 1.5% tcp_ack
[kernel.kallsyms]
246.00 1.5% kfree
[kernel.kallsyms]
232.00 1.4% intel_idle
[kernel.kallsyms]
228.00 1.4% __memcpy_ssse3_back
libc-2.12.so
219.00 1.4% PriorityEventQueue::enqueue(Event*, long)
traffic_server
181.00 1.1% _spin_lock
[kernel.kallsyms]
176.00 1.1% ink_freelist_free
libtsutil.so.3.2.0
158.00 1.0% ip_route_input
[kernel.kallsyms]
135.00 0.8% __inet_lookup_established
[kernel.kallsyms]
126.00 0.8% register_stat_callbacks()
traffic_server
{code}
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