Displaying 2 results from an estimated 2 matches for "shrink_poll_n".
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shrink_poll_ns
2017 Nov 13
0
[PATCH RFC v3 6/6] KVM guest: introduce smart idle poll algorithm
...ic unsigned int grow_poll_ns(unsigned int old, unsigned int grow,
+ unsigned int max)
+{
+ unsigned int val;
+
+ /* set base poll time to 10000ns */
+ if (old == 0 && grow)
+ return 10000;
+
+ val = old * grow;
+ if (val > max)
+ val = max;
+
+ return val;
+}
+
+static unsigned int shrink_poll_ns(unsigned int old, unsigned int shrink)
+{
+ if (shrink == 0)
+ return 0;
+
+ return old / shrink;
+}
+
+static void kvm_idle_update_poll_duration(ktime_t idle)
+{
+ unsigned long poll_duration = this_cpu_read(poll_duration_ns);
+
+ /* so far poll duration is based on nohz */
+ if (idle == -1ULL)...
2017 Nov 13
0
[PATCH RFC v3 6/6] KVM guest: introduce smart idle poll algorithm
...ic unsigned int grow_poll_ns(unsigned int old, unsigned int grow,
+ unsigned int max)
+{
+ unsigned int val;
+
+ /* set base poll time to 10000ns */
+ if (old == 0 && grow)
+ return 10000;
+
+ val = old * grow;
+ if (val > max)
+ val = max;
+
+ return val;
+}
+
+static unsigned int shrink_poll_ns(unsigned int old, unsigned int shrink)
+{
+ if (shrink == 0)
+ return 0;
+
+ return old / shrink;
+}
+
+static void kvm_idle_update_poll_duration(ktime_t idle)
+{
+ unsigned long poll_duration = this_cpu_read(poll_duration_ns);
+
+ /* so far poll duration is based on nohz */
+ if (idle == -1ULL)...