From bb2cf105b4bbea7f54a3f3076bfb925481eaeea0 Mon Sep 17 00:00:00 2001
From: "Peter W. Draper" <p.w.draper@durham.ac.uk>
Date: Wed, 27 Mar 2019 16:50:39 +0000
Subject: [PATCH] Use relative tics from the start of time so we can compare
MPI ranks
Probablyh not perfect, but better than nothing
---
src/memuse.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/src/memuse.c b/src/memuse.c
index 0c74bea4ed..418b9ceb3f 100644
--- a/src/memuse.c
+++ b/src/memuse.c
@@ -65,8 +65,8 @@ struct memuse_log_entry {
/* Address of memory. */
void *ptr;
- /* Time of this action. */
- ticks tic;
+ /* Relative time of this action. */
+ ticks dtic;
/* Label associated with the memory. */
char label[MEMUSE_MAXLAB + 1];
@@ -140,7 +140,7 @@ void memuse_log_allocation(const char *label, void *ptr, int allocated,
memuse_log[ind].ptr = ptr;
strncpy(memuse_log[ind].label, label, MEMUSE_MAXLAB);
memuse_log[ind].label[MEMUSE_MAXLAB] = '\0';
- memuse_log[ind].tic = getticks();
+ memuse_log[ind].dtic = getticks() - clocks_start_ticks;
atomic_inc(&memuse_log_done);
}
@@ -162,10 +162,10 @@ void memuse_log_dump(const char *filename) {
/* Write a header. */
fprintf(fd, "# Current use: %s\n", memuse_process(1));
fprintf(fd, "# cpufreq: %lld\n", clocks_get_cpufreq());
- fprintf(fd, "# tic adr rank step allocated label size\n");
+ fprintf(fd, "# dtic adr rank step allocated label size\n");
for (size_t k = 0; k < memuse_log_count; k++) {
- fprintf(fd, "%lld %p %d %d %d %s %zd\n", memuse_log[k].tic,
+ fprintf(fd, "%lld %p %d %d %d %s %zd\n", memuse_log[k].dtic,
memuse_log[k].ptr, memuse_log[k].rank, memuse_log[k].step,
memuse_log[k].allocated, memuse_log[k].label, memuse_log[k].size);
}
--
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