From 0f8b27385219efd77b6ab8e3441a172e91ede74e Mon Sep 17 00:00:00 2001
From: Birte Kristina Friesel <birte.friesel@uos.de>
Date: Tue, 4 Jun 2024 14:24:04 +0200
Subject: add a dfatool output format

---
 src/experiment.cpp |  2 ++
 src/experiment.h   |  2 +-
 src/output.cpp     | 20 +++++++++++++++++++-
 src/output.h       |  1 +
 4 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/experiment.cpp b/src/experiment.cpp
index 4b9e31a..60ae4bc 100644
--- a/src/experiment.cpp
+++ b/src/experiment.cpp
@@ -319,6 +319,8 @@ int Experiment::parse_args(int argc, char* argv[]) {
 				this->output_mode = HEADER;
 			} else if (strcasecmp(argv[i], "header") == 0) {
 				this->output_mode = HEADER;
+			} else if (strcasecmp(argv[i], "dfatool") == 0) {
+				this->output_mode = DFATOOL;
 			} else {
 				snprintf(errorString, errorStringSize, "invalid output format -- '%s'", argv[i]);
 				error = true;
diff --git a/src/experiment.h b/src/experiment.h
index 38aee3c..47716cf 100644
--- a/src/experiment.h
+++ b/src/experiment.h
@@ -63,7 +63,7 @@ public:
     enum { NONE, T0, T1, T2, NTA }
     prefetch_hint;			// use of prefetching
 
-    enum { CSV, BOTH, HEADER, TABLE }
+    enum { CSV, BOTH, HEADER, TABLE, DFATOOL }
 	output_mode;			// results output mode
 
     enum { RANDOM, STRIDED }
diff --git a/src/output.cpp b/src/output.cpp
index 75ae845..7c65fc2 100644
--- a/src/output.cpp
+++ b/src/output.cpp
@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <numa.h>
 
 //
 // Implementation
@@ -37,10 +38,15 @@ void Output::print(Experiment &e, int64 ops, std::vector<double> seconds, double
 		Output::header(e, ops, ck_res);
 		for (int i = 0; i < seconds.size(); i++)
 			Output::csv(e, ops, seconds[i], ck_res);
+	} else if (e.output_mode == Experiment::DFATOOL) {
+		for (int i = 0; i < seconds.size(); i++) {
+			Output::dfatool(e, ops, seconds[i], ck_res);
+		}
 	} else {
 		long double averaged_seconds = 0;
-		for (int i = 0; i < seconds.size(); i++)
+		for (int i = 0; i < seconds.size(); i++) {
 			averaged_seconds += seconds[i];
+		}
 		Output::table(e, ops, (double) (averaged_seconds/seconds.size()), ck_res);
 	}
 }
@@ -118,6 +124,18 @@ void Output::csv(Experiment &e, int64 ops, double secs, double ck_res) {
     fflush(stdout);
 }
 
+void Output::dfatool(Experiment &e, int64 ops, double secs, double ck_res) {
+    printf("[::] pChase | pointer_B=%ld cacheline_B=%ld page_B=%ld chain_B=%ld thread_B=%ld test_B=%ld e_pattern=%s stride=%d cpu_numa_node=%d ram_numa_node=%d numa_distance_cpu_ram=%d",
+        e.pointer_size, e.bytes_per_line, e.bytes_per_page, e.bytes_per_chain, e.bytes_per_thread, e.bytes_per_test,
+        e.access(), e.stride, e.thread_domain[0], e.chain_domain[0][0], numa_distance(e.thread_domain[0], e.chain_domain[0][0])
+    );
+    printf(" | latency_ns=%.2f bandwidth_MBps=%.3f\n",
+        (secs / (ops * e.iterations)) * 1e9,
+        ((ops * e.iterations * e.chains_per_thread * e.num_threads * e.bytes_per_line) / secs) * 1e-6
+    );
+    fflush(stdout);
+}
+
 void Output::table(Experiment &e, int64 ops, double secs, double ck_res) {
     printf("pointer size         = %ld (bytes)\n", e.pointer_size);
     printf("cache line size      = %ld (bytes)\n", e.bytes_per_line);
diff --git a/src/output.h b/src/output.h
index af718f0..34a22fe 100644
--- a/src/output.h
+++ b/src/output.h
@@ -36,6 +36,7 @@ public:
 	static void header(Experiment &e, int64 ops, double ck_res);
 	static void csv(Experiment &e, int64 ops, double seconds, double ck_res);
 	static void table(Experiment &e, int64 ops, double seconds, double ck_res);
+	static void dfatool(Experiment &e, int64 ops, double seconds, double ck_res);
 private:
 };
 
-- 
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