sched: rt-group: reduce rescheduling

[linux-2.6] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c68f68dcc605052c9bcc81d1719b343acb482e5b..3afbd25f43eb84da2278216e06004a6c560d6d10 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -306,9 +306,43 @@ static struct ctl_table kern_table[] = {
                .procname       = "sched_nr_migrate",
                .data           = &sysctl_sched_nr_migrate,
                .maxlen         = sizeof(unsigned int),
-               .mode           = 644,
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "sched_rt_period_ms",
+               .data           = &sysctl_sched_rt_period,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
                .proc_handler   = &proc_dointvec,
        },
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "sched_rt_ratio",
+               .data           = &sysctl_sched_rt_ratio,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+#if defined(CONFIG_FAIR_GROUP_SCHED) && defined(CONFIG_SMP)
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "sched_min_bal_int_shares",
+               .data           = &sysctl_sched_min_bal_int_shares,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "sched_max_bal_int_shares",
+               .data           = &sysctl_sched_max_bal_int_shares,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+#endif
 #endif
        {
                .ctl_name       = CTL_UNNUMBERED,
@@ -735,6 +769,33 @@ static struct ctl_table kern_table[] = {
                .extra1         = &one,
                .extra2         = &sixty,
        },
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "hung_task_check_count",
+               .data           = &sysctl_hung_task_check_count,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec_minmax,
+               .strategy       = &sysctl_intvec,
+       },
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "hung_task_timeout_secs",
+               .data           = &sysctl_hung_task_timeout_secs,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec_minmax,
+               .strategy       = &sysctl_intvec,
+       },
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "hung_task_warnings",
+               .data           = &sysctl_hung_task_warnings,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec_minmax,
+               .strategy       = &sysctl_intvec,
+       },
 #endif
 #ifdef CONFIG_COMPAT
        {