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Commit ec32398c authored by Jacob Shin's avatar Jacob Shin Committed by Frederic Weisbecker
Browse files

perf tools: add hardware breakpoint bp_len test cases 



Signed-off-by: default avatarJacob Shin <jacob.w.shin@gmail.com>
Signed-off-by: default avatarSuravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Acked-by: default avatarJiri Olsa <jolsa@kernel.org>
Reviewed-by: default avatarOleg Nesterov <oleg@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: xiakaixu <xiakaixu@huawei.com>
Signed-off-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
parent 3741eb9f

tools/perf/tests/parse-events.c

+58 −0
Original line number Diff line number Diff line
@@ -1145,6 +1145,49 @@ static int test__pinned_group(struct perf_evlist *evlist) 
	return 0;

}



static int test__checkevent_breakpoint_len(struct perf_evlist *evlist)

{

	struct perf_evsel *evsel = perf_evlist__first(evlist);



	TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);

	TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->attr.type);

	TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);

	TEST_ASSERT_VAL("wrong bp_type", (HW_BREAKPOINT_R | HW_BREAKPOINT_W) ==

					 evsel->attr.bp_type);

	TEST_ASSERT_VAL("wrong bp_len", HW_BREAKPOINT_LEN_1 ==

					evsel->attr.bp_len);



	return 0;

}



static int test__checkevent_breakpoint_len_w(struct perf_evlist *evlist)

{

	struct perf_evsel *evsel = perf_evlist__first(evlist);



	TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);

	TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->attr.type);

	TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);

	TEST_ASSERT_VAL("wrong bp_type", HW_BREAKPOINT_W ==

					 evsel->attr.bp_type);

	TEST_ASSERT_VAL("wrong bp_len", HW_BREAKPOINT_LEN_2 ==

					evsel->attr.bp_len);



	return 0;

}



static int

test__checkevent_breakpoint_len_rw_modifier(struct perf_evlist *evlist)

{

	struct perf_evsel *evsel = perf_evlist__first(evlist);



	TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);

	TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);

	TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);

	TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);



	return test__checkevent_breakpoint_rw(evlist);

}



static int count_tracepoints(void)

{

	char events_path[PATH_MAX];
@@ -1420,6 +1463,21 @@ static struct evlist_test test__events[] = { 
		.check = test__pinned_group,

		.id    = 41,

	},

	{

		.name  = "mem:0/1",

		.check = test__checkevent_breakpoint_len,

		.id    = 42,

	},

	{

		.name  = "mem:0/2:w",

		.check = test__checkevent_breakpoint_len_w,

		.id    = 43,

	},

	{

		.name  = "mem:0/4:rw:u",

		.check = test__checkevent_breakpoint_len_rw_modifier,

		.id    = 44

	},

#if defined(__s390x__)

	{

		.name  = "kvm-s390:kvm_s390_create_vm",