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dec5668b483f3696c6693b9b9a227c9d4c8d0647
jemalloc/test/unit
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Slobodan Predolac 184f304dd3 Refactor stats.c: separate gathering from emission; read top-down 
src/stats.c fused mallctl reads with dual-format (text/JSON) emission inside a
few very large, bottom-up functions, behind dense macros, with the public entry
point at the very bottom.  Rework it to be output-preserving but much easier to
read and extend:

- Separate gathering from emission where it is worth it: most sections become a
  small gather (stats_gather_*, the mallctl reads into a typed struct) plus an
  emit that renders it, with the plumbing macros (CTL_*, COL*) and gather
  structs moved to internal header (stats_internal.h).  This is a balance,
  not a rule: the per-size-class tables stay O(1) streaming (per-row gather+emit,
  no large stack buffers, avoiding heap buffering), the mutex rows keep reading
  straight into emitter columns, and the already-readable config/opt probes are
  left as they are.

- Read like the output: open with a table-of-contents comment and the public
  stats_print(), then the section functions top-down, keeping the
  interval/boot/fork plumbing at the bottom.  The ToC names the function that
  prints each section, and its JSON sub-path.

- Keep one emission engine: the emitter remains the single dual-format renderer,
  so each section has one rendering path rather than parallel renderers (the two
  formats are not field-identical).  Move some table-only concerns into it --
  gap-collapsing ("---") and a dual columnar row op (emitter_row) -- so section
  code carries less table-format detail.

Output-preserving: text is byte-identical and JSON keys/values are unchanged.
2026-07-20 07:30:52 -04:00
..
a0.c
Improve unit test coverage for jemalloc_init, arenas_management, and jemalloc_fork modules
2026-04-30 15:17:18 -04:00
arena_reset_prof.c
Use MALLOC_CONF rather than malloc_conf for tests.
2017-02-23 08:57:02 -08:00
arena_reset_prof.sh
Use MALLOC_CONF rather than malloc_conf for tests.
2017-02-23 08:57:02 -08:00
arena_reset.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
arenas_management.c
Replace arena->tcache_ql with cache_bin_array_descriptor_ql walks
2026-05-13 17:50:41 -04:00
atomic.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
background_thread_enable.c
Add background-thread state and toggle unit tests
2026-07-16 21:52:34 -07:00
background_thread_init.c
Fix background thread initialization race
2026-03-10 18:14:33 -07:00
background_thread.c
Add background-thread state and toggle unit tests
2026-07-16 21:52:34 -07:00
base.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
bin.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
binshard.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
binshard.sh
Fix binshard.sh by specifying bin_shards for all sizes.
2025-05-28 19:21:49 -07:00
bit_util.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
bitmap.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
buf_writer.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
cache_bin.c
Remove batch_alloc API
2026-05-22 23:34:10 -07:00
ckh.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
conf_init_0.c
Add unit tests for conf parsing and its helpers
2026-03-10 18:14:33 -07:00
conf_init_1.c
Add unit tests for conf parsing and its helpers
2026-03-10 18:14:33 -07:00
conf_init_confirm.c
Add unit tests for conf parsing and its helpers
2026-03-10 18:14:33 -07:00
conf_parse.c
Fix conf_handle_char_p zero-sized dest and remove unused conf_handle_unsigned
2026-04-01 23:15:19 -04:00
conf.c
Add unit tests for conf parsing and its helpers
2026-03-10 18:14:33 -07:00
counter.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
decay.c
Add PAC decay/deferral unit test coverage.
2026-07-16 21:52:34 -07:00
div.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
double_free.c
Remove safety check abort mallctl
2026-06-02 13:24:23 -04:00
double_free.h
Eagerly detect double free and sized dealloc bugs for large sizes.
2020-10-15 10:03:16 -07:00
edata_cache.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
emap.c
Improve unit test coverage in tcache, pac, hpa_central
2026-06-01 18:18:31 -04:00
emitter.c
Refactor stats.c: separate gathering from emission; read top-down
2026-07-20 07:30:52 -04:00
eset.c
Improve unit test coverage in tcache, pac, hpa_central
2026-06-01 18:18:31 -04:00
extent_alloc_flags.c
Introduce pinned extents to contain unpurgeable pages
2026-05-05 10:44:28 -07:00
extent_dss.c
Add DSS allocation path unit tests
2026-05-12 13:14:39 -04:00
extent_quantize.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
fb.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
fork.c
Add background-thread state and toggle unit tests
2026-07-16 21:52:34 -07:00
fxp.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
hash.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
hpa_background_thread.c
Replace PAI vtable dispatch with direct calls
2026-05-12 13:43:16 -07:00
hpa_background_thread.sh
When extracting from central, hugify_eager is different than start_as_huge
2026-03-10 18:14:33 -07:00
hpa_central.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
hpa_pageslab_packing.c
Fix psset_enumerate_search pages-vs-bytes comparison
2026-05-21 13:07:08 -07:00
hpa_sec_integration.c
Remove experimental_hpa_max_purge_nhp option
2026-06-27 22:57:48 -04:00
hpa_sec_integration.sh
[SEC] Make SEC owned by hpa_shard, simplify the code, add stats, lock per bin
2026-03-10 18:14:33 -07:00
hpa_thp_always.c
Remove experimental_hpa_max_purge_nhp option
2026-06-27 22:57:48 -04:00
hpa_thp_always.sh
When extracting from central, hugify_eager is different than start_as_huge
2026-03-10 18:14:33 -07:00
hpa_vectorized_madvise_large_batch.c
Remove experimental_hpa_max_purge_nhp option
2026-06-27 22:57:48 -04:00
hpa_vectorized_madvise_large_batch.sh
[process_madvise] Use process_madvise across multiple huge_pages
2025-04-25 19:19:03 -07:00
hpa_vectorized_madvise.c
Remove experimental_hpa_max_purge_nhp option
2026-06-27 22:57:48 -04:00
hpa_vectorized_madvise.sh
When extracting from central, hugify_eager is different than start_as_huge
2026-03-10 18:14:33 -07:00
hpa.c
Refactor deferral constants into corresponding headers.
2026-07-16 21:52:34 -07:00
hpa.sh
When extracting from central, hugify_eager is different than start_as_huge
2026-03-10 18:14:33 -07:00
hpdata.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
huge.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
inspect.c
Remove utilization query mallctl
2026-06-02 13:24:23 -04:00
inspect.sh
Add the profiling settings for tests explicit.
2021-12-22 20:10:28 -08:00
jemalloc_init.c
Hide methods from jemalloc_init.h that are not used in other units
2026-05-11 16:23:09 -07:00
json_stats.c
Use SEC in PAC to reduce lock contention on the ecaches
2026-06-24 10:54:34 -07:00
junk_alloc.c
Use MALLOC_CONF rather than malloc_conf for tests.
2017-02-23 08:57:02 -08:00
junk_alloc.sh
Use MALLOC_CONF rather than malloc_conf for tests.
2017-02-23 08:57:02 -08:00
junk_free.c
Use MALLOC_CONF rather than malloc_conf for tests.
2017-02-23 08:57:02 -08:00
junk_free.sh
Use MALLOC_CONF rather than malloc_conf for tests.
2017-02-23 08:57:02 -08:00
junk.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
junk.sh
Use MALLOC_CONF rather than malloc_conf for tests.
2017-02-23 08:57:02 -08:00
large_ralloc.c
Fix missing negation in large_ralloc_no_move usize_min fallback
2026-04-01 23:15:19 -04:00
log.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
mallctl.c
Remove frameptr-based unwinder.
2026-07-18 11:51:02 -07:00
malloc_conf_2.c
Internalize malloc_conf_2_conf_harder ctl
2026-06-02 13:24:23 -04:00
malloc_conf_2.sh
Add malloc_conf_2_conf_harder
2020-03-31 06:25:08 -07:00
malloc_dispatch.c
Move malloc routing into new malloc_dispatch module
2026-06-04 11:32:53 -04:00
malloc_io.c
Fix out-of-bounds write in malloc_vsnprintf when size is 0
2026-04-01 23:15:19 -04:00
math.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
mpsc_queue.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
mq.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
mtx.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
ncached_max.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
nstime.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
oversize_threshold.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
pa.c
Fix missing release of acquired neighbor edata in extent_try_coalesce_impl
2026-04-01 23:15:19 -04:00
pac_decay.c
Add PAC decay/deferral unit test coverage.
2026-07-16 21:52:34 -07:00
pac_decay.sh
Add PAC decay/deferral unit test coverage.
2026-07-16 21:52:34 -07:00
pac_sec_integration.c
Use SEC in PAC to reduce lock contention on the ecaches
2026-06-24 10:54:34 -07:00
pac.c
Add PAC decay/deferral unit test coverage.
2026-07-16 21:52:34 -07:00
pack.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
pack.sh
Refactor *decay_time into *decay_ms.
2017-05-18 11:33:45 -07:00
pages.c
Refactor init_system_thp_mode and print it in malloc stats.
2026-03-10 18:14:33 -07:00
peak.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
percpu_arena_resume.c
Allow resuming per-CPU arena selection via thread.arena (#2957)
2026-07-16 14:53:25 -07:00
percpu_arena_resume.sh
Allow resuming per-CPU arena selection via thread.arena (#2957)
2026-07-16 14:53:25 -07:00
ph.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
prng.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
prof_accum.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
prof_accum.sh
Use MALLOC_CONF rather than malloc_conf for tests.
2017-02-23 08:57:02 -08:00
prof_active.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
prof_active.sh
Add the profiling settings for tests explicit.
2021-12-22 20:10:28 -08:00
prof_gdump.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
prof_gdump.sh
Enable heap profiling on MacOS
2024-04-09 12:57:01 -07:00
prof_hook.c
Replace ctl mallctl macros with helper functions
2026-06-06 10:01:00 -04:00
prof_hook.sh
Making jemalloc max stack depth a runtime option
2022-09-12 13:56:22 -07:00
prof_idump.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
prof_idump.sh
Remove --disable-tcache.
2017-04-21 10:06:12 -07:00
prof_log.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
prof_log.sh
Add the profiling settings for tests explicit.
2021-12-22 20:10:28 -08:00
prof_mdump.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
prof_mdump.sh
Push error handling logic out of core dumping logic
2020-06-29 14:27:50 -07:00
prof_recent.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
prof_recent.sh
Add the prof_sys_thread_name feature in the prof_recent unit test.
2023-05-11 09:10:57 -07:00
prof_reset.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
prof_reset.sh
Last-N profiling mode
2019-12-30 15:58:57 -08:00
prof_small.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
prof_small.sh
Add a test-case for small profiled allocations
2023-07-03 16:19:06 -07:00
prof_stats.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
prof_stats.sh
Add the profiling settings for tests explicit.
2021-12-22 20:10:28 -08:00
prof_sys_thread_name.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
prof_sys_thread_name.sh
Add the profiling settings for tests explicit.
2021-12-22 20:10:28 -08:00
prof_tctx.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
prof_tctx.sh
Add the profiling settings for tests explicit.
2021-12-22 20:10:28 -08:00
prof_thread_name.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
prof_thread_name.sh
Use MALLOC_CONF rather than malloc_conf for tests.
2017-02-23 08:57:02 -08:00
psset.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
ql.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
qr.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
rb.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
retained.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
rtree.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
safety_check.c
Remove safety check abort mallctl
2026-06-02 13:24:23 -04:00
safety_check.sh
Add the profiling settings for tests explicit.
2021-12-22 20:10:28 -08:00
san_bump.c
Consolidate arena_* header split into arena.h
2026-06-04 11:32:53 -04:00
san.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
san.sh
San: Rename 'guard' to 'san'
2021-12-15 10:39:17 -08:00
sc.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
sec.c
Use SEC in PAC to reduce lock contention on the ecaches
2026-06-24 10:54:34 -07:00
SFMT.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
size_check.c
Remove safety check abort mallctl
2026-06-02 13:24:23 -04:00
size_check.sh
Add the profiling settings for tests explicit.
2021-12-22 20:10:28 -08:00
size_classes.c
Fix numeric overflow checks in size classes
2026-05-27 11:39:04 -04:00
size_classes.sh
Renaming limit_usize_gap to disable_large_size_classes
2025-05-06 14:47:35 -07:00
slab.c
Consolidate simple component headers (large, background_thread, bin)
2026-06-04 11:32:53 -04:00
smoothstep.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
spin.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
stats_print.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
stats.c
Consolidate arena_* header split into arena.h
2026-06-04 11:32:53 -04:00
sz.c
De-export test-only helpers via JET_EXTERN / #ifdef JEMALLOC_JET; declare in unit tests, not headers
2026-06-11 11:45:05 -04:00
tcache_gc.c
Replace JET_WRAP_ with JET_EXTERN_INLINE macro
2026-06-18 13:02:23 -04:00
tcache_init.c
Handle tcache init failures gracefully
2026-03-10 18:14:33 -07:00
tcache_max.c
Fix large alloc nrequests under-counting on cache misses
2026-04-01 23:15:19 -04:00
tcache_max.sh
skip tcache GC for tcache_max unit test
2024-06-25 12:59:45 -07:00
test_hooks.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
thread_event.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
thread_event.sh
Build a general purpose thread event handler
2019-11-04 11:15:50 -08:00
ticker.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
tsd.c
Handle jemalloc calls after TSD teardown
2026-07-09 11:30:15 -04:00
uaf.c
Remove safety check abort mallctl
2026-06-02 13:24:23 -04:00
witness.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
zero_realloc_abort.c
Remove safety check abort mallctl
2026-06-02 13:24:23 -04:00
zero_realloc_abort.sh
Realloc: Make behavior of realloc(ptr, 0) configurable.
2019-10-29 17:48:44 -07:00
zero_realloc_alloc.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
zero_realloc_alloc.sh
Rename zero_realloc option "strict" to "alloc".
2022-04-20 10:27:25 -07:00
zero_realloc_free.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
zero_realloc_free.sh
Realloc: Make behavior of realloc(ptr, 0) configurable.
2019-10-29 17:48:44 -07:00
zero_reallocs.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
zero_reallocs.sh
Add stats counters for number of zero reallocs
2019-10-29 17:48:44 -07:00
zero.c
Reformat the codebase with the clang-format 18.
2026-03-10 18:14:33 -07:00
zero.sh
Use MALLOC_CONF rather than malloc_conf for tests.
2017-02-23 08:57:02 -08:00