Boost working!

Makefile

@@ -182,6 +182,7 @@ UPROGS=\
 	_wc\
 	_ps\
 	_zombie\
+	_foo1\
 
 fs.img: mkfs README $(UPROGS)
 	./mkfs fs.img README $(UPROGS)
@@ -251,7 +252,7 @@ qemu-nox-gdb: fs.img xv6.img .gdbinit
 EXTRA=\
 	mkfs.c ulib.c user.h cat.c echo.c forktest.c grep.c kill.c\
 	ln.c ls.c mkdir.c rm.c stressfs.c usertests.c wc.c ps.c zombie.c\
-	printf.c umalloc.c\
+	printf.c umalloc.c foo1.c\
 	README dot-bochsrc *.pl toc.* runoff runoff1 runoff.list\
 	.gdbinit.tmpl gdbutil\
 

foo1.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int main(){
+    int j=0;
+    for(int i=0;i<10000000;i++){
+        j++;
+    }
+}

proc.c

@@ -356,7 +356,8 @@ BOOST
 void
 Boost(void)
 {
-  //cprintf("Boosting");
+  // cprintf("Boosting\n");
+
   struct proc *p;
   for(p = ptable.proc; p < &ptable.proc[NPROC]; p++){
     if (p->priority!=0){
@@ -370,7 +371,7 @@ Boost(void)
 
   // Remove all process from other queues
   q1=q2=q3=-1;
-  yield();
+  // yield();
 }
 
 /*

trap.c

@@ -15,6 +15,7 @@ struct spinlock tickslock;
 uint ticks;
 uint xticks;
 uint diff = 0;
+uint boost_count=0;
 
 void
 tvinit(void)
@@ -108,22 +109,43 @@ trap(struct trapframe *tf)
 
   // Force process to give up CPU on clock tick.
   // If interrupts were on while locks held, would need to check nlock.
-
+  if(tf->trapno == T_IRQ0+IRQ_TIMER){
+    acquire(&tickslock);
+    xticks = ticks;
+
+    //cprintf("num of ticks is %d \n",xticks);
+    release(&tickslock);
+    // if(xticks/100 - diff/100 > 0)
+    if(xticks - diff >= 500)
+    { 
+      //cprintf("Going in boost\n");
+      diff = xticks;
+      // cprintf("%d\n", xticks);
+      boost_count++;
+      // cprintf("%d\n",boost_count);
+      Boost();
+    }
+  }
+
   if(myproc() && myproc()->state == RUNNING &&
      tf->trapno == T_IRQ0+IRQ_TIMER)
      {
-      acquire(&tickslock);
-      xticks = ticks;
+      // acquire(&tickslock);
+      // xticks = ticks;
 
-      //cprintf("num of ticks is %d \n",xticks);
-      release(&tickslock);
-      if(xticks/100 - diff/100 > 0)
-      { 
-        //cprintf("Going in boost\n");
-        diff = xticks;
-        Boost();
-      }
-      diff = xticks;
+      // //cprintf("num of ticks is %d \n",xticks);
+      // release(&tickslock);
+      // // if(xticks/100 - diff/100 > 0)
+      // if(xticks - diff >= 100)
+      // { 
+      //   //cprintf("Going in boost\n");
+      //   diff = xticks;
+      //   // cprintf("%d\n", xticks);
+      //   boost_count++;
+      //   cprintf("%d\n",boost_count);
+      //   Boost();
+      // }
+      // diff = xticks;
       //cprintf("Idhar yield hoga!\n");
       yield();
     }