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Rewrote some microbenchmarks.

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This commit is contained in:
Michael Mueller
2024-09-15 19:50:32 +02:00
parent 7408bd2cd5
commit 3019ed2688
4 changed files with 185 additions and 31 deletions
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21
repos/mml/src/app/volatile_cell/volatile_cell.cc
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@@ -33,6 +33,20 @@ void short_loop(unsigned long k)
}
}
struct Channel {
unsigned long yield_flag : 1,
op : 2,
tnum : 61;
unsigned long delta_alloc;
unsigned long delta_activate;
unsigned long delta_setflag;
unsigned long delta_findborrower;
unsigned long delta_block;
unsigned long delta_enter;
unsigned long delta_return;
};
struct Hoitaja_test::Worker : public Genode::Thread
{
Genode::uint16_t _id;
@@ -41,14 +55,17 @@ struct Hoitaja_test::Worker : public Genode::Thread
{
Nova::mword_t channel_id = 0;
Nova::cpu_id(channel_id);
unsigned long volatile *my_channel = &reinterpret_cast<unsigned long volatile *>(channel)[channel_id];
//unsigned long volatile *my_channel = &reinterpret_cast<unsigned long volatile *>(channel)[channel_id];
Channel *channels = reinterpret_cast<Channel *>(channel);
Channel *my_channel_struct = &channels[channel_id];
//Genode::log("Started worker ", _id, " on CPU ", channel_id);
Nova::yield();
while (true) {
while (!(__atomic_load_n(my_channel, __ATOMIC_SEQ_CST)))
while (!(my_channel_struct->yield_flag))
short_loop(770);
//Genode::log("Returning core ", channel_id);
my_channel_struct->delta_enter = Genode::Trace::timestamp();
Nova::yield(false);
}
}