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Implement per arena base allocators.

Browse source 
Add/rename related mallctls:
- Add stats.arenas.<i>.base .
- Rename stats.arenas.<i>.metadata to stats.arenas.<i>.internal .
- Add stats.arenas.<i>.resident .

Modify the arenas.extend mallctl to take an optional (extent_hooks_t *)
argument so that it is possible for all base allocations to be serviced
by the specified extent hooks.

This resolves #463.
This commit is contained in:
Jason Evans 2016-12-22 16:39:10 -06:00
parent a6e86810d8
commit a0dd3a4483
18 changed files with 957 additions and 341 deletions
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27
src/stats.c
View file

@ -254,7 +254,8 @@ stats_arena_print(void (*write_cb)(void *, const char *), void *cbopaque,
unsigned nthreads;
const char *dss;
ssize_t decay_time;
size_t page, pactive, pdirty, mapped, retained, metadata;
size_t page, pactive, pdirty, mapped, retained;
size_t base, internal, resident;
uint64_t npurge, nmadvise, purged;
size_t small_allocated;
uint64_t small_nmalloc, small_ndalloc, small_nrequests;
@ -404,14 +405,32 @@ stats_arena_print(void (*write_cb)(void *, const char *), void *cbopaque,
"retained: %12zu\n", retained);
}
CTL_M2_GET("stats.arenas.0.metadata", i, &metadata, size_t);
CTL_M2_GET("stats.arenas.0.base", i, &base, size_t);
if (json) {
malloc_cprintf(write_cb, cbopaque,
"\t\t\t\t\"metadata\": %zu%s\n", metadata, (bins || large) ?
"\t\t\t\t\"base\": %zu,\n", base);
} else {
malloc_cprintf(write_cb, cbopaque,
"base: %12zu\n", base);
}
CTL_M2_GET("stats.arenas.0.internal", i, &internal, size_t);
if (json) {
malloc_cprintf(write_cb, cbopaque,
"\t\t\t\t\"internal\": %zu,\n", internal);
} else {
malloc_cprintf(write_cb, cbopaque,
"internal: %12zu\n", internal);
}
CTL_M2_GET("stats.arenas.0.resident", i, &resident, size_t);
if (json) {
malloc_cprintf(write_cb, cbopaque,
"\t\t\t\t\"resident\": %zu%s\n", resident, (bins || large) ?
"," : "");
} else {
malloc_cprintf(write_cb, cbopaque,
"metadata: %12zu\n", metadata);
"resident: %12zu\n", resident);
}
if (bins)