[LTP] [PATCH 2/3] Added stats container init/save error checks.

[Gilles C. <gil...@bu...>]

Signed-off-by: Gilles Carry <gil...@bu...>
Cc: Darren Hart <dv...@us...>
Cc: Tim Chavez <ti...@us...>
---
 testcases/realtime/func/matrix_mult/matrix_mult.c |   44 ++++++++++++++-------
 1 files changed, 30 insertions(+), 14 deletions(-)

diff --git a/testcases/realtime/func/matrix_mult/matrix_mult.c b/testcases/realtime/func/matrix_mult/matrix_mult.c
index 1a9ce80..6ea68b6 100644
--- a/testcases/realtime/func/matrix_mult/matrix_mult.c
+++ b/testcases/realtime/func/matrix_mult/matrix_mult.c
@@ -135,6 +135,7 @@ int main(int argc, char *argv[])
 	int ret;
 	int numcpus;
 	int criteria;
+
 	setup();
 	rt_init("jl:h", parse_args, argc, argv);
 	numcpus = sysconf(_SC_NPROCESSORS_ONLN);
@@ -160,10 +161,15 @@ int main(int argc, char *argv[])
 
 	stats_container_t sdat, cdat;
 	stats_container_t shist, chist;
-	stats_container_init(&sdat, ITERATIONS);
-	stats_container_init(&shist, HIST_BUCKETS);
-	stats_container_init(&cdat, ITERATIONS);
-	stats_container_init(&chist, HIST_BUCKETS);
+	if (	stats_container_init(&sdat, ITERATIONS) ||
+		stats_container_init(&shist, HIST_BUCKETS) ||
+		stats_container_init(&cdat, ITERATIONS) ||
+		stats_container_init(&chist, HIST_BUCKETS)
+	)
+	{
+		fprintf (stderr, "Cannot init stats container\n");
+		exit(1);
+	}
 
 	// run matrix mult operation sequentially
 	printf("\nSequential:\n");
@@ -191,12 +197,17 @@ int main(int argc, char *argv[])
 	printf("Max: %ld us\n", smax);
 	printf("Avg: %.4f us\n", savg);
 	printf("StdDev: %.4f us\n", stats_stddev(&sdat));
-	stats_hist(&shist, &sdat);
 
-	stats_container_save("sequential", "Matrix Multiplication Sequential Execution Runtime Scatter Plot",
-				"Iteration", "Runtime (us)", &sdat, "points");
-	stats_container_save("sequential_hist", "Matrix Multiplicatoin Sequential Execution Runtime Histogram",
-				"Runtime (us)", "Samples", &shist, "steps");
+	if (
+		stats_hist(&shist, &sdat) ||
+
+		stats_container_save("sequential", "Matrix Multiplication Sequential Execution Runtime Scatter Plot",
+				"Iteration", "Runtime (us)", &sdat, "points") ||
+		stats_container_save("sequential_hist", "Matrix Multiplicatoin Sequential Execution Runtime Histogram",
+				"Runtime (us)", "Samples", &shist, "steps")
+	) {
+		fprintf(stderr, "Warning: could not save sequential mults stats\n");
+	}
 
 	// run matrix mult operation concurrently
 	printf("\nConcurrent (%dx):\n", numcpus);
@@ -234,12 +245,17 @@ int main(int argc, char *argv[])
 	printf("Max: %ld us\n", cmax);
 	printf("Avg: %.4f us\n", cavg);
 	printf("StdDev: %.4f us\n", stats_stddev(&cdat));
-	stats_hist(&chist, &cdat);
 
-	stats_container_save("concurrent", "Matrix Multiplication Concurrent Execution Runtime Scatter Plot",
-				"Iteration", "Runtime (us)", &cdat, "points");
-	stats_container_save("concurrent_hist", "Matrix Multiplication Concurrent Execution Runtime Histogram",
-				"Iteration", "Runtime (us)", &chist, "steps");
+	if (
+		stats_hist(&chist, &cdat) ||
+
+		stats_container_save("concurrent", "Matrix Multiplication Concurrent Execution Runtime Scatter Plot",
+					"Iteration", "Runtime (us)", &cdat, "points") ||
+		stats_container_save("concurrent_hist", "Matrix Multiplication Concurrent Execution Runtime Histogram",
+					"Iteration", "Runtime (us)", &chist, "steps")
+	) {
+		fprintf(stderr, "Warning: could not save concurrent mults stats\n");
+	}
 
 	printf("\nSeq/Conc Ratios:\n");
 	printf("Min: %.4f\n", (float)smin/cmin);
-- 
1.5.4.3.450.gb92176