diff options
Diffstat (limited to 'arch/riscv64/conf/init.c')
| -rw-r--r-- | arch/riscv64/conf/init.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/riscv64/conf/init.c b/arch/riscv64/conf/init.c index 7029dbd..6b1ce46 100644 --- a/arch/riscv64/conf/init.c +++ b/arch/riscv64/conf/init.c @@ -220,6 +220,28 @@ static void *sys_req_mem(size_t count) return (void *)r.ar0; } +static size_t get_ram_usage() +{ + struct sys_ret r = ecall2(SYS_CONF_GET, CONF_RAM_USAGE); + if (r.s) { + print_value("getting RAM usage failed with error ", r.s); + return 0; + } + + return r.ar0; +} + +static size_t get_ram_size() +{ + struct sys_ret r = ecall2(SYS_CONF_GET, CONF_RAM_SIZE); + if (r.s) { + print_value("getting RAM size failed with error ", r.s); + return 0; + } + + return r.ar0; +} + static void sys_free_mem(void *p) { struct sys_ret r = ecall2(SYS_FREE_MEM, (long)p); @@ -336,12 +358,20 @@ void _start() print_value("IPC requests per second", n); puts("Doing memory allocations...\n"); + + size_t ram = get_ram_usage(); + size_t size = get_ram_size(); + print_value("Memory usage before allocations: ", ram); + print_value("Memory size in total: ", size); for (i = 0; i < 1000000; ++i) { char *p = sys_req_mem(10); *p = 'c'; sys_free_mem(p); } + ram = get_ram_usage(); + print_value("Memory usage after allocations: ", ram); + puts("Checking shared memory\n"); struct sys_ret r = sys_ipc_req(1, 1, 0, 0, 0); rw_buf = (char *)r.ar1; |