On 19/03/2024 08.58, Nicholas Piggin wrote:
This test stores to a bunch of pages and verifies previous stores,
while being continually migrated. Default runtime is 5 seconds.
Add this test to ppc64 and s390x builds. This can fail due to a QEMU
TCG physical memory dirty bitmap bug, so it is not enabled in unittests
for TCG yet.
The selftest-migration test time is reduced significantly because
this test
Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx>
---
common/memory-verify.c | 67 +++++++++++++++++++++++++++++++++++++
common/selftest-migration.c | 8 ++---
powerpc/Makefile.common | 1 +
powerpc/memory-verify.c | 1 +
powerpc/unittests.cfg | 7 ++++
s390x/Makefile | 1 +
s390x/memory-verify.c | 1 +
s390x/unittests.cfg | 6 ++++
8 files changed, 88 insertions(+), 4 deletions(-)
create mode 100644 common/memory-verify.c
create mode 120000 powerpc/memory-verify.c
create mode 120000 s390x/memory-verify.c
diff --git a/common/memory-verify.c b/common/memory-verify.c
new file mode 100644
index 000000000..e78fb4338
--- /dev/null
+++ b/common/memory-verify.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Simple memory verification test, used to exercise dirty memory migration.
+ */
+#include <libcflat.h>
+#include <migrate.h>
+#include <alloc.h>
+#include <asm/page.h>
+#include <asm/time.h>
+
+#define NR_PAGES 32
+
+static unsigned time_sec = 5;
+
+static void do_getopts(int argc, char **argv)
+{
+ int i;
+
+ for (i = 0; i < argc; ++i) {
+ if (strcmp(argv[i], "-t") == 0) {
+ i++;
+ if (i == argc)
+ break;
+ time_sec = atol(argv[i]);
+ }
+ }
+
+ printf("running for %d secs\n", time_sec);
+}
+
+int main(int argc, char **argv)
+{
+ void *mem = malloc(NR_PAGES*PAGE_SIZE);
Use alloc_pages(5) instead ? Or add at least some white spaces around "*".
Apart from that this patch looks sane to me, so with that line fixed:
Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>
