Hooks the kmon interface to the scheduler operations.
Signed-off-by: Davide Libenzi <[email protected]>
- Davide
Index: linux-2.6.21.scdev/kernel/sched.c
===================================================================
--- linux-2.6.21.scdev.orig/kernel/sched.c 2007-05-06 14:10:29.000000000 -0700
+++ linux-2.6.21.scdev/kernel/sched.c 2007-05-06 14:10:30.000000000 -0700
@@ -52,6 +52,7 @@
#include <linux/tsacct_kern.h>
#include <linux/kprobes.h>
#include <linux/delayacct.h>
+#include <linux/kmon-stats.h>
#include <asm/tlb.h>
#include <asm/unistd.h>
@@ -691,10 +692,12 @@
list_del(&p->run_list);
if (list_empty(array->queue + p->prio))
__clear_bit(p->prio, array->bitmap);
+ kmon_st_task_dequeue(p);
}
static void enqueue_task(struct task_struct *p, struct prio_array *array)
{
+ kmon_st_task_enqueue(p);
sched_info_queued(p);
list_add_tail(&p->run_list, array->queue + p->prio);
__set_bit(p->prio, array->bitmap);
@@ -1417,6 +1420,8 @@
int new_cpu;
#endif
+ kmon_st_task_wakeup(in_interrupt() ? NULL: current, p);
+
rq = task_rq_lock(p, &flags);
old_state = p->state;
if (!(old_state & state))
@@ -3412,6 +3417,7 @@
prev->timestamp = prev->last_ran = now;
sched_info_switch(prev, next);
+ kmon_st_task_switch(prev, next);
if (likely(prev != next)) {
next->timestamp = next->last_ran = now;
rq->nr_switches++;
-
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