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Add mallctl for batch allocation API

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This commit is contained in:
Yinan Zhang
2020-07-15 10:42:07 -07:00
parent 978f830ee3
commit f6cf5eb388
2 changed files with 51 additions and 2 deletions
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32
src/ctl.c
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@@ -254,6 +254,7 @@ CTL_PROTO(experimental_arenas_i_pactivep)
INDEX_PROTO(experimental_arenas_i)
CTL_PROTO(experimental_prof_recent_alloc_max)
CTL_PROTO(experimental_prof_recent_alloc_dump)
CTL_PROTO(experimental_batch_alloc)
#define MUTEX_STATS_CTL_PROTO_GEN(n) \
CTL_PROTO(stats_##n##_num_ops) \
@@ -675,7 +676,8 @@ static const ctl_named_node_t experimental_node[] = {
{NAME("hooks"), CHILD(named, experimental_hooks)},
{NAME("utilization"), CHILD(named, experimental_utilization)},
{NAME("arenas"), CHILD(indexed, experimental_arenas)},
{NAME("prof_recent"), CHILD(named, experimental_prof_recent)}
{NAME("prof_recent"), CHILD(named, experimental_prof_recent)},
{NAME("batch_alloc"), CTL(experimental_batch_alloc)}
};
static const ctl_named_node_t root_node[] = {
@@ -3637,3 +3639,31 @@ experimental_prof_recent_alloc_dump_ctl(tsd_t *tsd, const size_t *mib,
label_return:
return ret;
}
typedef struct batch_alloc_packet_s batch_alloc_packet_t;
struct batch_alloc_packet_s {
void **ptrs;
size_t num;
size_t size;
int flags;
};
static int
experimental_batch_alloc_ctl(tsd_t *tsd, const size_t *mib,
size_t miblen, void *oldp, size_t *oldlenp, void *newp, size_t newlen) {
int ret;
VERIFY_READ(size_t);
batch_alloc_packet_t batch_alloc_packet;
ASSURED_WRITE(batch_alloc_packet, batch_alloc_packet_t);
size_t filled = batch_alloc(batch_alloc_packet.ptrs,
batch_alloc_packet.num, batch_alloc_packet.size,
batch_alloc_packet.flags);
READ(filled, size_t);
ret = 0;
label_return:
return ret;
}