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authorOlav Haugan <ohaugan@codeaurora.org>2015-08-29 11:03:37 -0700
committerDavid Keitel <dkeitel@codeaurora.org>2016-03-23 20:02:26 -0700
commit4996dafe6875f2804d525e6ac74162e3efc4cda3 (patch)
tree65627bed9bcf9ae4ab1ccb66a2d32067aab12989 /include/linux/sched.h
parentb4627e0104c72dd25048fdcd8dd38fad78ad9782 (diff)
sched/core: Add API to set cluster d-state
Add new API to the scheduler to allow low power mode driver to inform the scheduler about the d-state of a cluster. This can be leveraged by the scheduler to make an informed decision about the cost of placing a task on a cluster. Change-Id: If0fe0fdba7acad1c2eb73654ebccfdb421225e62 Signed-off-by: Olav Haugan <ohaugan@codeaurora.org> [joonwoop@codeaurora.org: omitted fixes for qhmp_core.c and qhmp_core.h] Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r--include/linux/sched.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 941930f2935f..9e4171146f39 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2319,6 +2319,8 @@ extern int set_cpus_allowed_ptr(struct task_struct *p,
const struct cpumask *new_mask);
extern void sched_set_cpu_cstate(int cpu, int cstate,
int wakeup_energy, int wakeup_latency);
+extern void sched_set_cluster_dstate(const cpumask_t *cluster_cpus, int dstate,
+ int wakeup_energy, int wakeup_latency);
#else
static inline void do_set_cpus_allowed(struct task_struct *p,
const struct cpumask *new_mask)
@@ -2335,6 +2337,11 @@ static inline void
sched_set_cpu_cstate(int cpu, int cstate, int wakeup_energy, int wakeup_latency)
{
}
+
+static inline void sched_set_cluster_dstate(const cpumask_t *cluster_cpus,
+ int dstate, int wakeup_energy, int wakeup_latency)
+{
+}
#endif
extern int sched_set_wake_up_idle(struct task_struct *p, int wake_up_idle);