X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=libfio.c;h=9ed802a99228eab56f275933a42d08ee68d33cf6;hp=5a996f9cbd6e9f35d09709ad70ff78d3a3365c69;hb=cd5902f976e1f86e360c0c46a0a5793560f9c9c8;hpb=ebea21332ee7d7d12f17cbe9718611bcec558210

diff --git a/libfio.c b/libfio.c
index 5a996f9c..9ed802a9 100644
--- a/libfio.c
+++ b/libfio.c
@@ -297,6 +297,18 @@ int initialize_fio(char *envp[])
 {
 	long ps;
 
+	/*
+	 * We need these to be properly 64-bit aligned, otherwise we
+	 * can run into problems on archs that fault on unaligned fp
+	 * access (ARM).
+	 */
+	compiletime_assert((offsetof(struct thread_stat, percentile_list) % 8) == 0, "stat percentile_list");
+	compiletime_assert((offsetof(struct thread_stat, latency_percentile) % 8) == 0, "stat latency_percentile");
+	compiletime_assert((offsetof(struct thread_options_pack, zipf_theta) % 8) == 0, "zipf_theta");
+	compiletime_assert((offsetof(struct thread_options_pack, pareto_h) % 8) == 0, "pareto_h");
+	compiletime_assert((offsetof(struct thread_options_pack, percentile_list) % 8) == 0, "percentile_list");
+	compiletime_assert((offsetof(struct thread_options_pack, latency_percentile) % 8) == 0, "latency_percentile");
+
 	if (endian_check()) {
 		log_err("fio: endianness settings appear wrong.\n");
 		log_err("fio: please report this to fio@vger.kernel.org\n");