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-rw-r--r--tests/qtest/migration-test.c19
-rw-r--r--tests/tcg/s390x/Makefile.target1
-rw-r--r--tests/tcg/s390x/chrl.c80
3 files changed, 92 insertions, 8 deletions
diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
index d4ab393..75d4f1d 100644
--- a/tests/qtest/migration-test.c
+++ b/tests/qtest/migration-test.c
@@ -408,8 +408,8 @@ static void migrate_set_parameter_str(QTestState *who, const char *parameter,
static void migrate_ensure_non_converge(QTestState *who)
{
- /* Can't converge with 1ms downtime + 30 mbs bandwidth limit */
- migrate_set_parameter_int(who, "max-bandwidth", 30 * 1000 * 1000);
+ /* Can't converge with 1ms downtime + 3 mbs bandwidth limit */
+ migrate_set_parameter_int(who, "max-bandwidth", 3 * 1000 * 1000);
migrate_set_parameter_int(who, "downtime-limit", 1);
}
@@ -1808,7 +1808,7 @@ static void test_migrate_auto_converge(void)
* E.g., with 1Gb/s bandwith migration may pass without throttling,
* so we need to decrease a bandwidth.
*/
- const int64_t init_pct = 5, inc_pct = 50, max_pct = 95;
+ const int64_t init_pct = 5, inc_pct = 25, max_pct = 95;
if (test_migrate_start(&from, &to, uri, &args)) {
return;
@@ -1835,13 +1835,16 @@ static void test_migrate_auto_converge(void)
/* Wait for throttling begins */
percentage = 0;
- while (percentage == 0) {
+ do {
percentage = read_migrate_property_int(from, "cpu-throttle-percentage");
- usleep(100);
+ if (percentage != 0) {
+ break;
+ }
+ usleep(20);
g_assert_false(got_stop);
- }
- /* The first percentage of throttling should be equal to init_pct */
- g_assert_cmpint(percentage, ==, init_pct);
+ } while (true);
+ /* The first percentage of throttling should be at least init_pct */
+ g_assert_cmpint(percentage, >=, init_pct);
/* Now, when we tested that throttling works, let it converge */
migrate_ensure_converge(from);
diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target
index b7f576f..cf93b96 100644
--- a/tests/tcg/s390x/Makefile.target
+++ b/tests/tcg/s390x/Makefile.target
@@ -28,6 +28,7 @@ TESTS+=div
TESTS+=clst
TESTS+=long-double
TESTS+=cdsg
+TESTS+=chrl
cdsg: CFLAGS+=-pthread
cdsg: LDFLAGS+=-pthread
diff --git a/tests/tcg/s390x/chrl.c b/tests/tcg/s390x/chrl.c
new file mode 100644
index 0000000..b1c3a1c
--- /dev/null
+++ b/tests/tcg/s390x/chrl.c
@@ -0,0 +1,80 @@
+#include <stdlib.h>
+#include <assert.h>
+#include <stdint.h>
+
+static void test_chrl(void)
+{
+ uint32_t program_mask, cc;
+
+ asm volatile (
+ ".pushsection .rodata\n"
+ "0:\n\t"
+ ".short 1, 0x8000\n\t"
+ ".popsection\n\t"
+
+ "chrl %[r], 0b\n\t"
+ "ipm %[program_mask]\n"
+ : [program_mask] "=r" (program_mask)
+ : [r] "r" (1)
+ );
+
+ cc = program_mask >> 28;
+ assert(!cc);
+
+ asm volatile (
+ ".pushsection .rodata\n"
+ "0:\n\t"
+ ".short -1, 0x8000\n\t"
+ ".popsection\n\t"
+
+ "chrl %[r], 0b\n\t"
+ "ipm %[program_mask]\n"
+ : [program_mask] "=r" (program_mask)
+ : [r] "r" (-1)
+ );
+
+ cc = program_mask >> 28;
+ assert(!cc);
+}
+
+static void test_cghrl(void)
+{
+ uint32_t program_mask, cc;
+
+ asm volatile (
+ ".pushsection .rodata\n"
+ "0:\n\t"
+ ".short 1, 0x8000, 0, 0\n\t"
+ ".popsection\n\t"
+
+ "cghrl %[r], 0b\n\t"
+ "ipm %[program_mask]\n"
+ : [program_mask] "=r" (program_mask)
+ : [r] "r" (1L)
+ );
+
+ cc = program_mask >> 28;
+ assert(!cc);
+
+ asm volatile (
+ ".pushsection .rodata\n"
+ "0:\n\t"
+ ".short -1, 0x8000, 0, 0\n\t"
+ ".popsection\n\t"
+
+ "cghrl %[r], 0b\n\t"
+ "ipm %[program_mask]\n"
+ : [program_mask] "=r" (program_mask)
+ : [r] "r" (-1L)
+ );
+
+ cc = program_mask >> 28;
+ assert(!cc);
+}
+
+int main(void)
+{
+ test_chrl();
+ test_cghrl();
+ return EXIT_SUCCESS;
+}