From 8ebc91d93669af39dbed50914d7daf457eeb43be Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 15 Oct 2007 17:00:03 +0200 Subject: sched: remove stat_gran remove the stat_gran code - it was disabled by default and it causes unnecessary overhead. Signed-off-by: Ingo Molnar Signed-off-by: Peter Zijlstra Signed-off-by: Mike Galbraith Reviewed-by: Thomas Gleixner --- kernel/sysctl.c | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'kernel/sysctl.c') diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 6c97259e863e..9b1b0d4ff966 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -264,17 +264,6 @@ static ctl_table kern_table[] = { .extra1 = &min_wakeup_granularity_ns, .extra2 = &max_wakeup_granularity_ns, }, - { - .ctl_name = CTL_UNNUMBERED, - .procname = "sched_stat_granularity_ns", - .data = &sysctl_sched_stat_granularity, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = &proc_dointvec_minmax, - .strategy = &sysctl_intvec, - .extra1 = &min_wakeup_granularity_ns, - .extra2 = &max_wakeup_granularity_ns, - }, { .ctl_name = CTL_UNNUMBERED, .procname = "sched_runtime_limit_ns", -- cgit v1.2.3 From e22f5bbf86d8cce710d5c8ba5bf57832e73aab8c Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 15 Oct 2007 17:00:06 +0200 Subject: sched: remove wait_runtime limit remove the wait_runtime-limit fields and the code depending on it, now that the math has been changed over to rely on the vruntime metric. Signed-off-by: Ingo Molnar Signed-off-by: Peter Zijlstra Signed-off-by: Mike Galbraith Reviewed-by: Thomas Gleixner --- kernel/sysctl.c | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'kernel/sysctl.c') diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 9b1b0d4ff966..97b15c27407f 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -264,17 +264,6 @@ static ctl_table kern_table[] = { .extra1 = &min_wakeup_granularity_ns, .extra2 = &max_wakeup_granularity_ns, }, - { - .ctl_name = CTL_UNNUMBERED, - .procname = "sched_runtime_limit_ns", - .data = &sysctl_sched_runtime_limit, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = &proc_dointvec_minmax, - .strategy = &sysctl_intvec, - .extra1 = &min_sched_granularity_ns, - .extra2 = &max_sched_granularity_ns, - }, { .ctl_name = CTL_UNNUMBERED, .procname = "sched_child_runs_first", -- cgit v1.2.3 From 5f6d858ecca78f71755859a346d845e302973cd1 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Mon, 15 Oct 2007 17:00:12 +0200 Subject: sched: speed up and simplify vslice calculations speed up and simplify vslice calculations. [ From: Mike Galbraith : build fix ] Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- kernel/sysctl.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'kernel/sysctl.c') diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 97b15c27407f..230ca4eb57fe 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -222,14 +222,11 @@ static ctl_table kern_table[] = { #ifdef CONFIG_SCHED_DEBUG { .ctl_name = CTL_UNNUMBERED, - .procname = "sched_min_granularity_ns", - .data = &sysctl_sched_min_granularity, + .procname = "sched_nr_latency", + .data = &sysctl_sched_nr_latency, .maxlen = sizeof(unsigned int), .mode = 0644, - .proc_handler = &proc_dointvec_minmax, - .strategy = &sysctl_intvec, - .extra1 = &min_sched_granularity_ns, - .extra2 = &max_sched_granularity_ns, + .proc_handler = &proc_dointvec, }, { .ctl_name = CTL_UNNUMBERED, -- cgit v1.2.3 From da84d96176729fb48a8458561e5d8647103168b8 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 15 Oct 2007 17:00:18 +0200 Subject: sched: reintroduce cache-hot affinity reintroduce a simplified version of cache-hot/cold scheduling affinity. This improves performance with certain SMP workloads, such as sysbench. Signed-off-by: Ingo Molnar --- kernel/sysctl.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'kernel/sysctl.c') diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 230ca4eb57fe..ec14aa8ac51f 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -277,6 +277,14 @@ static ctl_table kern_table[] = { .mode = 0644, .proc_handler = &proc_dointvec, }, + { + .ctl_name = CTL_UNNUMBERED, + .procname = "sched_migration_cost", + .data = &sysctl_sched_migration_cost, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, #endif { .ctl_name = CTL_UNNUMBERED, -- cgit v1.2.3