[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/Documentation/scheduler/sched-pelt.c b/src/kernel/linux/v4.14/Documentation/scheduler/sched-pelt.c
new file mode 100644
index 0000000..cd3e1fe
--- /dev/null
+++ b/src/kernel/linux/v4.14/Documentation/scheduler/sched-pelt.c
@@ -0,0 +1,118 @@
+/*
+ * The following program is used to generate the constants for
+ * computing sched averages.
+ *
+ * ==============================================================
+ * C program (compile with -lm)
+ * ==============================================================
+ */
+
+#include <math.h>
+#include <stdio.h>
+
+#define HALFLIFE { 32, 16, 8 }
+#define SHIFT 32
+
+double y;
+
+void calc_runnable_avg_yN_inv(const int halflife)
+{
+ int i;
+ unsigned int x;
+
+ printf("static const u32 runnable_avg_yN_inv[] = {");
+ for (i = 0; i < halflife; i++) {
+ x = ((1UL<<32)-1)*pow(y, i);
+
+ if (i % 4 == 0) printf("\n\t");
+ printf("0x%8x, ", x);
+ }
+ printf("\n};\n\n");
+}
+
+int sum = 1024;
+
+void calc_runnable_avg_yN_sum(const int halflife)
+{
+ int i;
+
+ printf("static const u32 runnable_avg_yN_sum[] = {\n\t 0,");
+ for (i = 1; i <= halflife; i++) {
+ if (i == 1)
+ sum *= y;
+ else
+ sum = sum*y + 1024*y;
+
+ if (i % 11 == 0)
+ printf("\n\t");
+
+ printf("%5d,", sum);
+ }
+ printf("\n};\n\n");
+}
+
+int n = -1;
+/* first period */
+long max = 1024;
+
+void calc_converged_max(const int halflife)
+{
+ long last = 0, y_inv = ((1UL<<32)-1)*y;
+
+ for (; ; n++) {
+ if (n > -1)
+ max = ((max*y_inv)>>SHIFT) + 1024;
+ /*
+ * This is the same as:
+ * max = max*y + 1024;
+ */
+
+ if (last == max)
+ break;
+
+ last = max;
+ }
+ n--;
+ printf("#define LOAD_AVG_PERIOD %d\n", halflife);
+ printf("#define LOAD_AVG_MAX %ld\n", max);
+ printf("#define LOAD_AVG_MAX_N %d\n\n", n);
+}
+
+void calc_accumulated_sum_32(const int halflife)
+{
+ int i, x = sum;
+
+ printf("static const u32 __accumulated_sum_N32[] = {\n\t 0,");
+ for (i = 1; i <= n/halflife+1; i++) {
+ if (i > 1)
+ x = x/2 + sum;
+
+ if (i % 6 == 0)
+ printf("\n\t");
+
+ printf("%6d,", x);
+ }
+ printf("\n};\n\n");
+}
+
+void main(void)
+{
+ int hl_value[] = HALFLIFE;
+ int hl_count = sizeof(hl_value) / sizeof(int);
+ int hl_idx, halflife;
+
+ printf("/* Generated by Documentation/scheduler/sched-pelt; do not modify. */\n\n");
+
+ for (hl_idx = 0; hl_idx < hl_count; ++hl_idx) {
+ halflife = hl_value[hl_idx];
+
+ y = pow(0.5, 1/(double)halflife);
+
+ printf("#if CONFIG_PELT_UTIL_HALFLIFE_%d\n", halflife);
+ calc_runnable_avg_yN_inv(halflife);
+ calc_runnable_avg_yN_sum(halflife);
+ calc_converged_max(halflife);
+ calc_accumulated_sum_32(halflife);
+ printf("#endif\n\n");
+ }
+}