From: acevest <zhaoyanbai@126.com>
Date: Fri, 5 Nov 2021 07:03:35 +0000 (+0800)
Subject: print sched cnt
X-Git-Url: http://zhaoyanbai.com/repos/Bv9ARM.ch10.html?a=commitdiff_plain;h=5ef7b1a77656397631bebf8ef599215fbe4ee103;p=kernel.git

print sched cnt
---

diff --git a/include/task.h b/include/task.h
index ad950a9..38f9250 100644
--- a/include/task.h
+++ b/include/task.h
@@ -67,6 +67,8 @@ typedef union task_union {
 
         wait_queue_head_t wait;
 
+        unsigned int sched_cnt;
+
         unsigned int cnt;  // debug only
     };
 
diff --git a/kernel/init.c b/kernel/init.c
index 8b36e12..7774e71 100644
--- a/kernel/init.c
+++ b/kernel/init.c
@@ -61,6 +61,8 @@ void __ring3text__ __attribute__((__aligned__(PAGE_SIZE))) ring3_entry() {
 void user_task_entry(char *name) {
     strcpy(current->name, name);
 
+    current->priority = 90;
+
     unsigned long ring3_text_page = va2pa(ring3_entry);
     unsigned long ring3_bss_page = va2pa(alloc_one_page(0));
 
@@ -99,6 +101,7 @@ void init_task_entry(char *name) {
 
     // 赋予不同的优先级
     current->priority = id * 30;
+
     if (current->priority <= 0) {
         current->priority = 1;
     }
@@ -150,6 +153,7 @@ void root_task_entry() {
     kernel_task("user", user_task_entry);
 
     int cnt = 0;
+
     while (1) {
         // sysc_test();
         // printl(MPL_TASK_0, "root:0 [%08x] weight %d cnt %d", current, root_task.weight, cnt++);
diff --git a/kernel/sched.c b/kernel/sched.c
index d458525..fd0bb48 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -194,11 +194,11 @@ unsigned long schedule() {
 
     if (prev != next) {
         // printk("switch to: %s:%d\n", next->name, next->pid);
-
+        sel->sched_cnt++;
         list_for_each_safe(pos, t, &all_tasks) {
             p = list_entry(pos, task_union, list);
-            printl(MPL_TASK_0 + p->pid, "%s%4s:%d [%08x] state %s weight %03d cnt %u", sel == p ? ">" : " ", p->name,
-                   p->pid, p, task_state(p->state), p->weight, p->cnt);
+            printl(MPL_TASK_0 + p->pid, "%s%4s:%d [%08x] state %s weight %03d sched %u", sel == p ? ">" : " ", p->name,
+                   p->pid, p, task_state(p->state), p->weight, p->sched_cnt);
         }
         context_switch(prev, next);
     }