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CHECKP: multi-thread applications

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boreddevnl
2026-03-18 17:04:10 +01:00
parent 9fb307e603
commit e95c82b162
14 changed files with 250 additions and 134 deletions
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17
src/userland/gui/taskman.c
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@@ -49,29 +49,28 @@ static void update_proc_list(void) {
proc_count = sys_system(SYSTEM_CMD_PROCESS_LIST, (uint64_t)proc_list, 32, 0, 0);
uint64_t uptime_now = sys_system(SYSTEM_CMD_UPTIME, 0, 0, 0, 0);
uint64_t kernel_ticks_now = 0;
uint64_t user_ticks_now = 0;
for (int i = 0; i < proc_count; i++) {
if (proc_list[i].pid == 0) {
kernel_ticks_now = proc_list[i].ticks;
break;
if (proc_list[i].pid != 0) {
user_ticks_now += proc_list[i].ticks;
}
}
if (uptime_prev > 0) {
uint64_t total_delta = uptime_now - uptime_prev;
if (total_delta > 0) {
uint64_t kernel_delta = kernel_ticks_now - kernel_ticks_prev;
if (kernel_delta > total_delta) kernel_delta = total_delta;
uint64_t used_delta = user_ticks_now - kernel_ticks_prev; // Reusing the global state variable for prev user_ticks
uint64_t used_delta = total_delta - kernel_delta;
int usage = (int)((used_delta * 100) / total_delta);
// On a 4 CPU system, theoretically used_delta can be 4x total_delta
int usage = (int)((used_delta * 100) / (total_delta * 4));
if (usage > 100) usage = 100;
cpu_history[history_idx] = usage;
}
}
uptime_prev = uptime_now;
kernel_ticks_prev = kernel_ticks_now;
kernel_ticks_prev = user_ticks_now;
MemStats stats;
sys_system(SYSTEM_CMD_MEMINFO, (uint64_t)&stats, 0, 0, 0);

14
src/userland/libc/syscall.c
View File

@@ -4,7 +4,7 @@
uint64_t syscall0(uint64_t sys_num) {
uint64_t ret;
asm volatile("syscall"
asm volatile("int $0x80"
: "=a"(ret)
: "a"(sys_num)
: "rcx", "r11", "memory");
@@ -13,7 +13,7 @@ uint64_t syscall0(uint64_t sys_num) {
uint64_t syscall1(uint64_t sys_num, uint64_t arg1) {
uint64_t ret;
asm volatile("syscall"
asm volatile("int $0x80"
: "=a"(ret)
: "a"(sys_num), "D"(arg1)
: "rcx", "r11", "memory");
@@ -22,7 +22,7 @@ uint64_t syscall1(uint64_t sys_num, uint64_t arg1) {
uint64_t syscall2(uint64_t sys_num, uint64_t arg1, uint64_t arg2) {
uint64_t ret;
asm volatile("syscall"
asm volatile("int $0x80"
: "=a"(ret)
: "a"(sys_num), "D"(arg1), "S"(arg2)
: "rcx", "r11", "memory");
@@ -31,7 +31,7 @@ uint64_t syscall2(uint64_t sys_num, uint64_t arg1, uint64_t arg2) {
uint64_t syscall3(uint64_t sys_num, uint64_t arg1, uint64_t arg2, uint64_t arg3) {
uint64_t ret;
asm volatile("syscall"
asm volatile("int $0x80"
: "=a"(ret)
: "a"(sys_num), "D"(arg1), "S"(arg2), "d"(arg3)
: "rcx", "r11", "memory", "r10", "r8", "r9");
@@ -41,7 +41,7 @@ uint64_t syscall3(uint64_t sys_num, uint64_t arg1, uint64_t arg2, uint64_t arg3)
uint64_t syscall4(uint64_t sys_num, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4) {
uint64_t ret;
register uint64_t r10 asm("r10") = arg4;
asm volatile("syscall"
asm volatile("int $0x80"
: "=a"(ret)
: "a"(sys_num), "D"(arg1), "S"(arg2), "d"(arg3), "r"(r10)
: "rcx", "r11", "memory", "r8", "r9");
@@ -52,7 +52,7 @@ uint64_t syscall5(uint64_t sys_num, uint64_t arg1, uint64_t arg2, uint64_t arg3,
uint64_t ret;
register uint64_t r10 asm("r10") = arg4;
register uint64_t r8 asm("r8") = arg5;
asm volatile("syscall"
asm volatile("int $0x80"
: "=a"(ret)
: "a"(sys_num), "D"(arg1), "S"(arg2), "d"(arg3), "r"(r10), "r"(r8)
: "rcx", "r11", "memory", "r9");
@@ -64,7 +64,7 @@ uint64_t syscall6(uint64_t sys_num, uint64_t arg1, uint64_t arg2, uint64_t arg3,
register uint64_t r10 asm("r10") = arg4;
register uint64_t r8 asm("r8") = arg5;
register uint64_t r9 asm("r9") = arg6;
asm volatile("syscall"
asm volatile("int $0x80"
: "=a"(ret)
: "a"(sys_num), "D"(arg1), "S"(arg2), "d"(arg3), "r"(r10), "r"(r8), "r"(r9)
: "rcx", "r11", "memory");