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Netstacklat02: Evaluate TCP HoL filter for ebpf-exporter #2

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Netstacklat02: Evaluate TCP HoL filter for ebpf-exporter #2

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aadb5ac
Add netstacklat example
netoptimizer Aug 20, 2025
c891328
Adjust netstacklat example to compile
netoptimizer Aug 20, 2025
d466045
netstacklat: adjustments to make it run
netoptimizer Aug 20, 2025
22b929e
netstacklat: enable filter_cgroup and disable other hooks
netoptimizer Aug 20, 2025
50fafda
netstacklat: disable ifindex filter
netoptimizer Aug 20, 2025
2efbb90
netstacklat: disable PID filtering
netoptimizer Aug 20, 2025
43da77b
netstacklat: an idea as a code comment
netoptimizer Aug 21, 2025
dfff4ae
netstacklat: limit cgroups to nginx for a test deployment
netoptimizer Aug 21, 2025
48c7f20
netstacklat: evaluate filter_nonempty_sockqueue
netoptimizer Aug 21, 2025
a0776a2
netstacklat: disable filter_nonempty_sockqueue
netoptimizer Aug 21, 2025
de778bc
netstacklat: restore TAI offset to 37 sec
netoptimizer Aug 21, 2025
33965b2
netstacklat: use ebpf_exporter macros for increment_exp2_histogram_no…
netoptimizer Aug 21, 2025
e9ac4cd
netstacklat: re-evaluate filter_nonempty_sockqueue
netoptimizer Aug 21, 2025
925debf
netstacklat: compile time enable filter_nonempty_sockqueue
netoptimizer Aug 21, 2025
28c3713
netstacklat: filter on socket queue length
netoptimizer Aug 21, 2025
d09463e
netstacklat: test with cgroup_id_map type to cgrp_storage
netoptimizer Aug 26, 2025
8370c73
netstacklat: constify user_config and disable filter_nonempty_sockqueue
netoptimizer Aug 26, 2025
1552574
netstacklat: move filter_cgroup before record_socket_latency
netoptimizer Aug 26, 2025
6c6529f
netstacklat: test cgroup_id_map type hash
netoptimizer Aug 26, 2025
b9c4570
netstacklat: hide call to get_network_ns()
netoptimizer Aug 26, 2025
d047606
netstacklat: new user_config for filter_queue_len
netoptimizer Aug 26, 2025
d9039e5
netstacklat: make filter_socket a common function
netoptimizer Aug 26, 2025
a2f10c7
netstacklat: first filter for sockets having a queue
netoptimizer Aug 26, 2025
593f76b
netstacklat: give credit Simon Sundberg
netoptimizer Aug 26, 2025
780984d
netstacklat: take sk_backlog into account
netoptimizer Aug 27, 2025
f8671e3
netstacklat: rename filter_queue_len to filter_min_queue_len
netoptimizer Aug 27, 2025
3c57889
netstacklat: add filter for every nth packet
netoptimizer Aug 27, 2025
0127c2c
netstacklat: let nth filter counter be per hook
netoptimizer Aug 27, 2025
45cd607
netstacklat: disable UDP hooks via ugly ifdefs
netoptimizer Aug 27, 2025
189c61f
netstacklat: change time resoultion to usecs
netoptimizer Aug 27, 2025
f0a947d
netstacklat: fix hash size for netstack_latency_seconds
netoptimizer Aug 27, 2025
0ff2c41
netstacklat: remove some tabs and change comment style
netoptimizer Aug 27, 2025
b54fdbf
netstacklat: add reminder to update N_CGROUPS
netoptimizer Aug 28, 2025
e813266
netstacklat: reduce hash size for netstack_latency_seconds
netoptimizer Aug 28, 2025
da2d609
netstacklat: atomic counter for filter_nth_packet
netoptimizer Sep 4, 2025
e3a5f58
netstacklat: Experiment with 2 nth packet sampling
netoptimizer Sep 4, 2025
2e7b39f
netstacklat: Experiment with 4 nth packet sampling
netoptimizer Sep 4, 2025
f5e1baa
netstacklat: experiment with disabling nth-filter
netoptimizer Sep 4, 2025
febd9b7
netstacklat: disable user_config.groupby_ifindex
netoptimizer Sep 4, 2025
10a331e
netstacklat: minor sync with upstream bpf-examples version
netoptimizer Sep 5, 2025
7e2c734
netstacklat: upstream removed filter_nonempty_sockqueue
netoptimizer Sep 5, 2025
b9cbe80
netstacklat: comply with clang format requirements
netoptimizer Sep 5, 2025
ba856d8
netstacklat: relax ifindex filter due to production
netoptimizer Sep 16, 2025
885f101
netstacklat: Exclude TCP reads for HOL blocked segments
simosund Oct 29, 2025
1443f7b
netstacklat: Add sanity check for out-of-order sequence
simosund Oct 29, 2025
347abc5
netstacklat: convert bpf_printk to optional debug feature
netoptimizer Nov 3, 2025
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