[kvm-unit-tests RFC 02/10] pmu: Let pmu tests take a sub-test parameter

[Eric Auger <eric.auger@redhat.com>]

As we intend to introduce more PMU tests, let's add
a sub-test parameter that will allow to categorize
them. Existing tests are in the cycle-counter category.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
 arm/pmu.c         | 22 ++++++++++++++--------
 arm/unittests.cfg |  7 ++++---
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/arm/pmu.c b/arm/pmu.c
index 1de7d77..2ad6469 100644
--- a/arm/pmu.c
+++ b/arm/pmu.c
@@ -287,21 +287,27 @@ int main(int argc, char *argv[])
 {
 	int cpi = 0;
 
-	if (argc > 1)
-		cpi = atol(argv[1]);
-
 	if (!pmu_probe()) {
 		printf("No PMU found, test skipped...\n");
 		return report_summary();
 	}
 
+	if (argc < 2)
+		report_abort("no test specified");
+
 	report_prefix_push("pmu");
 
-	report("Control register", check_pmcr());
-	report("Monotonically increasing cycle count", check_cycles_increase());
-	report("Cycle/instruction ratio", check_cpi(cpi));
-
-	pmccntr64_test();
+	if (strcmp(argv[1], "cycle-counter") == 0) {
+		report_prefix_push(argv[1]);
+		if (argc > 2)
+			cpi = atol(argv[2]);
+		report("Control register", check_pmcr());
+		report("Monotonically increasing cycle count", check_cycles_increase());
+		report("Cycle/instruction ratio", check_cpi(cpi));
+		pmccntr64_test();
+	} else {
+		report_abort("Unknown subtest '%s'", argv[1]);
+	}
 
 	return report_summary();
 }
diff --git a/arm/unittests.cfg b/arm/unittests.cfg
index daeb5a0..79f0d7a 100644
--- a/arm/unittests.cfg
+++ b/arm/unittests.cfg
@@ -61,21 +61,22 @@ file = pci-test.flat
 groups = pci
 
 # Test PMU support
-[pmu]
+[pmu-cycle-counter]
 file = pmu.flat
 groups = pmu
+extra_params = -append 'cycle-counter 0'
 
 # Test PMU support (TCG) with -icount IPC=1
 #[pmu-tcg-icount-1]
 #file = pmu.flat
-#extra_params = -icount 0 -append '1'
+#extra_params = -icount 0 -append 'cycle-counter 1'
 #groups = pmu
 #accel = tcg
 
 # Test PMU support (TCG) with -icount IPC=256
 #[pmu-tcg-icount-256]
 #file = pmu.flat
-#extra_params = -icount 8 -append '256'
+#extra_params = -icount 8 -append 'cycle-counter 256'
 #groups = pmu
 #accel = tcg
 
-- 
2.20.1