From 05f91cfbf597c8d7f6f923e118d62270fc143acc Mon Sep 17 00:00:00 2001
From: Phil Carns <carns@mcs.anl.gov>
Date: Fri, 4 Oct 2024 09:09:34 -0400
Subject: [PATCH] report absolute timestamp at start of workload

---
 src/quintain-benchmark.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/quintain-benchmark.c b/src/quintain-benchmark.c
index 78f6784..b733e92 100644
--- a/src/quintain-benchmark.c
+++ b/src/quintain-benchmark.c
@@ -381,6 +381,7 @@ int main(int argc, char** argv)
 
     /* if requested, report every sample */
     if (trace_flag) {
+        gzprintf(f, "start_timestamp\t%f\n", start_ts);
         gzprintf(f, "# sample_trace\t<rank>\t<start>\t<end>\t<elapsed>\n");
         this_ts = 0;
         for (i = 0; i < sample_index && i < MAX_SAMPLES; i++) {