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Alessio Podda ed0ecb62e4 Add low contention stats counter 
In the current statistics counter implementation, the statistics are
backed by an array of counters, which are updated via atomic operations.
This leads to contention, especially on high core count
machines.

This commit introduces a new isc_statsmulti_t counter that keeps a
separate array per thread. These counters are then aggregated only when
statistics are queried, shifting work off the critical path.

These changes lead to a ~2% improvement in perflab.
2026-03-26 10:19:25 +01:00
..
testdata/file Move all the unit tests to /tests/<libname>/ 2022-05-28 14:53:02 -07:00
ascii_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
async_test.c Change the loopmgr to be singleton 2025-07-23 22:44:16 +02:00
buffer_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
counter_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
dnsstream_utils_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
dnsstream_utils_test_data.h Add a set of unit tests for dnsbuffer_t and dnsstream_assembler_t 2022-12-20 21:24:45 +02:00
doh_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
errno_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
file_test.c Use clang-format-22 to update formatting 2026-03-04 10:56:41 +01:00
hash_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
hashmap_nodes.h Reduce the size of hashmap_nodes.h file 2024-08-15 10:05:32 +02:00
hashmap_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
heap_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
histo_test.c Support compilation with cmocka 2.0.0+ 2026-01-07 10:38:45 +01:00
hmac_test.c Separate isc_hmac between pre and post OpenSSL 3.0 2026-02-02 11:50:14 +03:00
ht_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
job_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
lex_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
loop_test.c Fix one-definition-rule violation in the loop unit test 2025-07-24 17:34:11 +02:00
md_test.c switch isc_md_type_t to a proper enum 2026-02-02 11:12:55 +03:00
mem_test.c Support compilation with cmocka 2.0.0+ 2026-01-07 10:38:45 +01:00
meson.build Use CMocka generated JUnit reports where possible 2025-12-19 18:26:22 +00:00
mutex_test.c ISC_RUN_TEST_IMPL should use a static declaration 2026-01-28 07:26:04 +11:00
netaddr_test.c IPv6 case to isc_netaddr_masktoprefixlen tests 2025-03-26 13:56:53 +01:00
netmgr_common.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
netmgr_common.h Refactor the network manager to be a singleton 2025-07-23 22:45:38 +02:00
parse_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
proxyheader_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
proxyheader_test_data.h Add PROXY header handling unit test suite 2023-12-06 15:15:24 +02:00
proxystream_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
proxyudp_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
quota_test.c Add support for setting thread stack size 2025-08-05 10:46:09 +02:00
radix_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
ratelimiter_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
regex_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
result_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
rwlock_test.c ISC_RUN_TEST_IMPL should use a static declaration 2026-01-28 07:26:04 +11:00
safe_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
siphash_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
sockaddr_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
spinlock_test.c ISC_RUN_TEST_IMPL should use a static declaration 2026-01-28 07:26:04 +11:00
stats_test.c Add low contention stats counter 2026-03-26 10:19:25 +01:00
stream_shutdown.c Change the loopmgr to be singleton 2025-07-23 22:44:16 +02:00
symtab_test.c Add and use global memory context called isc_g_mctx 2025-08-04 11:29:26 +02:00
tcp_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
tcpdns_test.c Refactor the network manager to be a singleton 2025-07-23 22:45:38 +02:00
time_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
timer_test.c Change the loopmgr to be singleton 2025-07-23 22:44:16 +02:00
tls_test.c Move the library init and shutdown to executables 2025-02-22 16:19:00 +01:00
tlsdns_test.c Refactor the network manager to be a singleton 2025-07-23 22:45:38 +02:00
udp_test.c Refactor the network manager to be a singleton 2025-07-23 22:45:38 +02:00
uv_wrap.h Remove redundant parentheses from the return statement 2024-11-19 12:27:22 +01:00
work_test.c Enforce isc_work enqueue loop affinity 2026-03-14 06:32:50 +01:00