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add real mallinfo implementation for Android

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Android Q uses the mallinfo implementation in the ART GC:

c220f98180
1575267302
This commit is contained in:
Daniel Micay 2019-04-06 20:49:52 -04:00
parent 7acebaa837
commit 350d0e5fd2
5 changed files with 96 additions and 4 deletions
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3
test/Makefile
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@ -8,7 +8,8 @@ CPPFLAGS += \
-DSLAB_CANARY=$(CONFIG_SLAB_CANARY)
EXECUTABLES := \
offset
offset \
mallinfo
all: $(EXECUTABLES)

21
test/mallinfo.c Normal file
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@ -0,0 +1,21 @@
#include <malloc.h>
__attribute__((optimize(0)))
int main(void) {
malloc(1024 * 1024 * 1024);
malloc(16);
malloc(32);
malloc(64);
struct mallinfo info = mallinfo();
printf("arena: %zu\n", info.arena);
printf("ordblks: %zu\n", info.ordblks);
printf("smblks: %zu\n", info.smblks);
printf("hblks: %zu\n", info.hblks);
printf("hblkhd: %zu\n", info.hblkhd);
printf("usmblks: %zu\n", info.usmblks);
printf("fsmblks: %zu\n", info.fsmblks);
printf("uordblks: %zu\n", info.uordblks);
printf("fordblks: %zu\n", info.fordblks);
printf("keepcost: %zu\n", info.keepcost);
}