[PATCH][plugsched 27/28] Make new timekeeping private

From: Con Kolivas
Date: Sat Oct 30 2004 - 10:07:44 EST


Make new timekeeping private

Timekeeping is runqueue design dependant so privatise those functions.

Signed-off-by: Con Kolivas <kernel@xxxxxxxxxxx>

Index: linux-2.6.10-rc1-mm2-plugsched1/include/linux/scheduler.h
===================================================================
--- linux-2.6.10-rc1-mm2-plugsched1.orig/include/linux/scheduler.h 2004-10-30 00:20:12.649569607 +1000
+++ linux-2.6.10-rc1-mm2-plugsched1/include/linux/scheduler.h 2004-10-30 00:20:15.476117429 +1000
@@ -10,6 +10,9 @@
*/
struct sched_drv
{
+ void (*account_steal_time)(struct task_struct *, cputime_t);
+ void (*account_system_time)(struct task_struct *, int, cputime_t);
+ void (*account_user_time)(struct task_struct *, cputime_t);
char cpusched_name[SCHED_NAME_MAX];
int (*rt_task)(task_t *);
void (*wait_for_completion)(struct completion *);
Index: linux-2.6.10-rc1-mm2-plugsched1/kernel/sched.c
===================================================================
--- linux-2.6.10-rc1-mm2-plugsched1.orig/kernel/sched.c 2004-10-30 00:20:12.651569288 +1000
+++ linux-2.6.10-rc1-mm2-plugsched1/kernel/sched.c 2004-10-30 00:20:15.477117269 +1000
@@ -2279,7 +2279,7 @@ static void check_rlimit(struct task_str
* @hardirq_offset: the offset to subtract from hardirq_count()
* @cputime: the cpu time spent in user space since the last update
*/
-void account_user_time(struct task_struct *p, cputime_t cputime)
+static void ingo_account_user_time(struct task_struct *p, cputime_t cputime)
{
struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat;
cputime64_t tmp;
@@ -2306,7 +2306,7 @@ void account_user_time(struct task_struc
* @hardirq_offset: the offset to subtract from hardirq_count()
* @cputime: the cpu time spent in kernel space since the last update
*/
-void account_system_time(struct task_struct *p, int hardirq_offset,
+static void ingo_account_system_time(struct task_struct *p, int hardirq_offset,
cputime_t cputime)
{
struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat;
@@ -2339,7 +2339,7 @@ void account_system_time(struct task_str
* @p: the process from which the cpu time has been stolen
* @steal: the cpu time spent in involuntary wait
*/
-void account_steal_time(struct task_struct *p, cputime_t steal)
+static void ingo_account_steal_time(struct task_struct *p, cputime_t steal)
{
struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat;
cputime64_t steal64 = cputime_to_cputime64(steal);
@@ -4085,6 +4085,9 @@ void destroy_sched_domain_sysctl()
#endif

struct sched_drv ingo_sched_drv = {
+ .account_steal_time = ingo_account_steal_time,
+ .account_system_time = ingo_account_system_time,
+ .account_user_time = ingo_account_user_time,
.cpusched_name = "ingosched",
.rt_task = ingo_rt_task,
.wait_for_completion = ingo_wait_for_completion,
Index: linux-2.6.10-rc1-mm2-plugsched1/kernel/scheduler.c
===================================================================
--- linux-2.6.10-rc1-mm2-plugsched1.orig/kernel/scheduler.c 2004-10-30 00:20:12.652569128 +1000
+++ linux-2.6.10-rc1-mm2-plugsched1/kernel/scheduler.c 2004-10-30 00:20:15.479116949 +1000
@@ -993,6 +993,22 @@ static int __init scheduler_setup(char *

__setup ("cpusched=", scheduler_setup);

+void account_steal_time(struct task_struct *p, cputime_t steal)
+{
+ scheduler->account_steal_time(p, steal);
+}
+
+void account_system_time(struct task_struct *p, int hardirq_offset,
+ cputime_t cputime)
+{
+ scheduler->account_system_time(p, hardirq_offset, cputime);
+}
+
+void account_user_time(struct task_struct *p, cputime_t cputime)
+{
+ scheduler->account_user_time(p, cputime);
+}
+
void fastcall __sched wait_for_completion(struct completion *x)
{
scheduler->wait_for_completion(x);

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