diff options
| author | Gaurav Sarode <gsarode@nvidia.com> | 2012-02-17 15:25:43 +0530 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-02-27 20:46:03 -0800 |
| commit | 566594ce3b1dbfc8397a62826992a0794612f51a (patch) | |
| tree | edd71b7b213e65acd7c868937e4dbf2a2b4b1dc0 | |
| parent | fff665d54ef11ae6b572e27f7155cf4cf0c47850 (diff) | |
PM Qos: Add min online cpus as PM QoS parameter
Bug 940061
Change-Id: Ibae842fdc3af3c92ec7e6125c602417110d8b55e
Signed-off-by: Gaurav Sarode <gsarode@nvidia.com>
Reviewed-on: http://git-master/r/84521
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Tested-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>
| -rw-r--r-- | include/linux/pm_qos_params.h | 2 | ||||
| -rw-r--r-- | kernel/pm_qos_params.c | 13 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/pm_qos_params.h b/include/linux/pm_qos_params.h index 5750527666e3..5a536cbb25b8 100644 --- a/include/linux/pm_qos_params.h +++ b/include/linux/pm_qos_params.h @@ -13,6 +13,7 @@ enum { PM_QOS_CPU_DMA_LATENCY, PM_QOS_NETWORK_LATENCY, PM_QOS_NETWORK_THROUGHPUT, + PM_QOS_MIN_ONLINE_CPUS, PM_QOS_MAX_ONLINE_CPUS, PM_QOS_CPU_FREQ_MIN, PM_QOS_CPU_FREQ_MAX, @@ -27,6 +28,7 @@ enum { #define PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC) #define PM_QOS_NETWORK_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC) #define PM_QOS_NETWORK_THROUGHPUT_DEFAULT_VALUE 0 +#define PM_QOS_MIN_ONLINE_CPUS_DEFAULT_VALUE 1 #define PM_QOS_MAX_ONLINE_CPUS_DEFAULT_VALUE LONG_MAX #define PM_QOS_CPU_FREQ_MIN_DEFAULT_VALUE 0 #define PM_QOS_CPU_FREQ_MAX_DEFAULT_VALUE LONG_MAX diff --git a/kernel/pm_qos_params.c b/kernel/pm_qos_params.c index 324f3422b5da..82da7ac3b1f3 100644 --- a/kernel/pm_qos_params.c +++ b/kernel/pm_qos_params.c @@ -103,6 +103,18 @@ static struct pm_qos_object network_throughput_pm_qos = { .type = PM_QOS_MAX, }; + +static BLOCKING_NOTIFIER_HEAD(min_online_cpus_notifier); +static struct pm_qos_object min_online_cpus_pm_qos = { + .requests = PLIST_HEAD_INIT(min_online_cpus_pm_qos.requests), + .notifiers = &min_online_cpus_notifier, + .name = "min_online_cpus", + .target_value = PM_QOS_MIN_ONLINE_CPUS_DEFAULT_VALUE, + .default_value = PM_QOS_MIN_ONLINE_CPUS_DEFAULT_VALUE, + .type = PM_QOS_MAX, +}; + + static BLOCKING_NOTIFIER_HEAD(max_online_cpus_notifier); static struct pm_qos_object max_online_cpus_pm_qos = { .requests = PLIST_HEAD_INIT(max_online_cpus_pm_qos.requests), @@ -141,6 +153,7 @@ static struct pm_qos_object *pm_qos_array[] = { &cpu_dma_pm_qos, &network_lat_pm_qos, &network_throughput_pm_qos, + &min_online_cpus_pm_qos, &max_online_cpus_pm_qos, &cpu_freq_min_pm_qos, &cpu_freq_max_pm_qos |