Hook up the newly added zt-test program in the FPSIMD stress tests, start a copy per CPU when SME2 is supported.
Signed-off-by: Mark Brown broonie@kernel.org --- tools/testing/selftests/arm64/fp/fp-stress.c | 29 ++++++++++++++++++++++++++-- 1 file changed, 27 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/arm64/fp/fp-stress.c b/tools/testing/selftests/arm64/fp/fp-stress.c index f8b2f41aac36..520385fcfede 100644 --- a/tools/testing/selftests/arm64/fp/fp-stress.c +++ b/tools/testing/selftests/arm64/fp/fp-stress.c @@ -370,6 +370,19 @@ static void start_za(struct child_data *child, int vl, int cpu) ksft_print_msg("Started %s\n", child->name); }
+static void start_zt(struct child_data *child, int cpu) +{ + int ret; + + ret = asprintf(&child->name, "ZT-%d", cpu); + if (ret == -1) + ksft_exit_fail_msg("asprintf() failed\n"); + + child_start(child, "./zt-test"); + + ksft_print_msg("Started %s\n", child->name); +} + static void probe_vls(int vls[], int *vl_count, int set_vl) { unsigned int vq; @@ -426,6 +439,7 @@ int main(int argc, char **argv) bool all_children_started = false; int seen_children; int sve_vls[MAX_VLS], sme_vls[MAX_VLS]; + bool have_sme2; struct sigaction sa;
while ((c = getopt_long(argc, argv, "t:", options, NULL)) != -1) { @@ -458,6 +472,13 @@ int main(int argc, char **argv) sme_vl_count = 0; }
+ if (getauxval(AT_HWCAP2) & HWCAP2_SME2) { + tests += cpus; + have_sme2 = true; + } else { + have_sme2 = false; + } + /* Force context switching if we only have FPSIMD */ if (!sve_vl_count && !sme_vl_count) fpsimd_per_cpu = 2; @@ -468,8 +489,9 @@ int main(int argc, char **argv) ksft_print_header(); ksft_set_plan(tests);
- ksft_print_msg("%d CPUs, %d SVE VLs, %d SME VLs\n", - cpus, sve_vl_count, sme_vl_count); + ksft_print_msg("%d CPUs, %d SVE VLs, %d SME VLs, SME2 %s\n", + cpus, sve_vl_count, sme_vl_count, + have_sme2 ? "present" : "absent");
if (timeout > 0) ksft_print_msg("Will run for %ds\n", timeout); @@ -527,6 +549,9 @@ int main(int argc, char **argv) start_ssve(&children[num_children++], sme_vls[j], i); start_za(&children[num_children++], sme_vls[j], i); } + + if (have_sme2) + start_zt(&children[num_children++], i); }
/*