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atomic.cpp: print some stats on stop

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This commit is contained in:
Nekotekina 2020-11-12 05:52:22 +03:00
parent 70761a4ef0
commit 3888b0429c
2 changed files with 51 additions and 0 deletions
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34
rpcs3/Emu/System.cpp
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@ -86,6 +86,11 @@ namespace
struct progress_dialog_server;
}
namespace atomic_wait
{
extern void parse_hashtable(bool(*cb)(u64 id, u16 refs, u32 ptr, u32 stats));
}
template<>
void fmt_class_string<game_boot_result>::format(std::string& out, u64 arg)
{
@ -1875,6 +1880,35 @@ void Emulator::Stop(bool restart)
jit_runtime::finalize();
static u64 aw_refs = 0;
static u64 aw_colm = 0;
static u64 aw_colc = 0;
static u64 aw_used = 0;
aw_refs = 0;
aw_colm = 0;
aw_colc = 0;
aw_used = 0;
atomic_wait::parse_hashtable([](u64 id, u16 refs, u32 ptr, u32 stats) -> bool
{
aw_refs += refs;
aw_used += ptr != 0;
stats = (stats & 0xaaaaaaaa) / 2 + (stats & 0x55555555);
stats = (stats & 0xcccccccc) / 4 + (stats & 0x33333333);
stats = (stats & 0xf0f0f0f0) / 16 + (stats & 0xf0f0f0f);
stats = (stats & 0xff00ff00) / 256 + (stats & 0xff00ff);
stats = (stats >> 16) + (stats & 0xffff);
aw_colm = std::max<u64>(aw_colm, stats);
aw_colc += stats != 0;
return false;
});
sys_log.notice("Atomic wait hashtable stats: [in_use=%u, used=%u, max_collision_weight=%u, total_collisions=%u]", aw_refs, aw_used, aw_colm, aw_colc);
if (restart)
{
// Reload with prior configs.

17
rpcs3/util/atomic.cpp
View File

@ -1556,3 +1556,20 @@ atomic_wait_engine::notify_all(const void* data, u32 size, __m128i mask, __m128i
s_tls_notify_cb(data, -1);
}
namespace atomic_wait
{
extern void parse_hashtable(bool(*cb)(u64 id, u16 refs, u32 ptr, u32 stats))
{
for (u64 i = 0; i < s_hashtable_size; i++)
{
const auto root = &s_hashtable[i];
const auto slot = root->bits.load();
if (cb(i, static_cast<u16>(slot.ref), root->first_ptr.load(), root->diff_lz | root->diff_tz | root->diff_pop))
{
break;
}
}
}
}