1 files changed, 50 insertions, 0 deletions
diff --git a/test/monniaux/cycles.h b/test/monniaux/cycles.h
new file mode 100644
index 00000000..21541145
--- /dev/null
+++ b/test/monniaux/cycles.h
@@ -0,0 +1,50 @@
+#include <inttypes.h>
+#include <stdio.h>
+typedef unsigned long cycle_t;
+
+#ifdef MAX_MEASURES
+  static cycle_t _last_stop[MAX_MEASURES] = {0};
+  static cycle_t _total_cycles[MAX_MEASURES] = {0};
+#endif
+
+#ifdef __K1C__
+#include <../../k1-cos/include/hal/cos_registers.h>
+
+static inline void cycle_count_config(void)
+{
+        /* config pmc for cycle count */
+        cycle_t pmc_value = __builtin_k1_get(COS_SFR_PMC);
+
+        pmc_value &= ~(0xfULL);
+        __builtin_k1_set(COS_SFR_PMC, pmc_value);
+}
+
+static inline cycle_t get_cycle(void)
+{
+        return __builtin_k1_get(COS_SFR_PM0);
+}
+
+#else // not K1C
+static inline void cycle_count_config(void) { }
+
+#ifdef  __x86_64__
+#include <x86intrin.h>
+static inline cycle_t get_cycle(void) { return __rdtsc(); }
+
+#elif __riscv
+static inline cycle_t get_cycle(void) {
+  cycle_t cycles;
+  asm volatile ("rdcycle %0" : "=r" (cycles));
+  return cycles;
+}
+
+#else
+static inline cycle_t get_cycle(void) { return 0; }
+#endif
+#endif
+
+#ifdef MAX_MEASURES
+  #define TIMEINIT(i) {_last_stop[i] = get_cycle();}
+  #define TIMESTOP(i) {cycle_t cur = get_cycle(); _total_cycles[i] += cur - _last_stop[i]; _last_stop[i] = cur;}
+  #define TIMEPRINT(n) { for (int i = 0; i <= n; i++) printf("%d cycles: %" PRIu64 "\n", i, _total_cycles[i]); }
+#endif