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CC: <dev@dpdk.org>, <thomas@monjalon.net>, <bruce.richardson@intel.com>,
<david.marchand@redhat.com>, <mattias.ronnblom@ericsson.com>,
<skori@marvell.com>
Date: Thu, 23 Apr 2020 00:33:43 +0530
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Subject: [dpdk-dev] [PATCH v7 26/32] eal/trace: add unit test cases
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From: Sunil Kumar Kori <skori@marvell.com>
Example commands to run UT and check the traces with babeltrace viewer.
- Delete the existing /root/dpdk-traces/ directory if needed.
> sudo rm -rf /root/dpdk-traces/
- Start the dpdk-test
> sudo ./build/app/test/dpdk-test -c 0x3 - --trace=.*
- Run trace_autotest
> trace_autotest
- View the traces with babletrace viewer.
> sudo babeltrace /root/dpdk-traces/
Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
---
app/test/Makefile | 3 +-
app/test/meson.build | 3 +
app/test/test_trace.c | 213 +++++++++++++++++++++++++++++++++
app/test/test_trace.h | 15 +++
app/test/test_trace_register.c | 17 +++
5 files changed, 250 insertions(+), 1 deletion(-)
create mode 100644 app/test/test_trace.c
create mode 100644 app/test/test_trace.h
create mode 100644 app/test/test_trace_register.c
diff --git a/app/test/Makefile b/app/test/Makefile
index 793daa687..0b5807d7e 100644
--- a/app/test/Makefile
+++ b/app/test/Makefile
@@ -153,7 +153,8 @@ SRCS-y += test_alarm.c
SRCS-y += test_interrupts.c
SRCS-y += test_version.c
SRCS-y += test_func_reentrancy.c
-
+SRCS-y += test_trace.c
+SRCS-y += test_trace_register.c
SRCS-y += test_service_cores.c
ifeq ($(CONFIG_RTE_LIBRTE_PMD_RING),y)
diff --git a/app/test/meson.build b/app/test/meson.build
index 285e71a46..a0b2c1fa8 100644
--- a/app/test/meson.build
+++ b/app/test/meson.build
@@ -127,6 +127,8 @@ test_sources = files('commands.c',
'test_timer_racecond.c',
'test_timer_secondary.c',
'test_ticketlock.c',
+ 'test_trace.c',
+ 'test_trace_register.c',
'test_version.c',
'virtual_pmd.c'
)
@@ -245,6 +247,7 @@ fast_tests = [
['reorder_autotest', true],
['service_autotest', true],
['thash_autotest', true],
+ ['trace_autotest', true],
]
perf_test_names = [
diff --git a/app/test/test_trace.c b/app/test/test_trace.c
new file mode 100644
index 000000000..d463823e4
--- /dev/null
+++ b/app/test/test_trace.c
@@ -0,0 +1,213 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#include <rte_lcore.h>
+#include <rte_trace.h>
+#include <rte_eal_trace.h>
+
+#include "test.h"
+#include "test_trace.h"
+
+static int32_t
+test_trace_point_globbing(void)
+{
+ int rc;
+
+ rc = rte_trace_pattern("app.dpdk.test*", false);
+ if (rc != 1)
+ goto failed;
+
+ if (rte_trace_point_is_enabled(&__app_dpdk_test_tp))
+ goto failed;
+
+ rc = rte_trace_pattern("app.dpdk.test*", true);
+ if (rc != 1)
+ goto failed;
+
+ if (!rte_trace_point_is_enabled(&__app_dpdk_test_tp))
+ goto failed;
+
+ rc = rte_trace_pattern("invalid_testpoint.*", true);
+ if (rc != 0)
+ goto failed;
+
+ return TEST_SUCCESS;
+
+failed:
+ return TEST_FAILED;
+}
+
+static int32_t
+test_trace_point_regex(void)
+{
+ int rc;
+
+ rc = rte_trace_regexp("app.dpdk.test*", false);
+ if (rc != 1)
+ goto failed;
+
+ if (rte_trace_point_is_enabled(&__app_dpdk_test_tp))
+ goto failed;
+
+ rc = rte_trace_regexp("app.dpdk.test*", true);
+ if (rc != 1)
+ goto failed;
+
+ if (!rte_trace_point_is_enabled(&__app_dpdk_test_tp))
+ goto failed;
+
+ rc = rte_trace_regexp("invalid_testpoint.*", true);
+ if (rc != 0)
+ goto failed;
+
+ return TEST_SUCCESS;
+
+failed:
+ return TEST_FAILED;
+}
+
+static int32_t
+test_trace_point_disable_enable(void)
+{
+ int rc;
+
+ rc = rte_trace_point_disable(&__app_dpdk_test_tp);
+ if (rc < 0)
+ goto failed;
+
+ if (rte_trace_point_is_enabled(&__app_dpdk_test_tp))
+ goto failed;
+
+ rc = rte_trace_point_enable(&__app_dpdk_test_tp);
+ if (rc < 0)
+ goto failed;
+
+ if (!rte_trace_point_is_enabled(&__app_dpdk_test_tp))
+ goto failed;
+
+ /* Emit the trace */
+ app_dpdk_test_tp("app.dpdk.test.tp");
+ return TEST_SUCCESS;
+
+failed:
+ return TEST_FAILED;
+}
+
+static int
+test_trace_mode(void)
+{
+ enum rte_trace_mode current;
+
+ current = rte_trace_mode_get();
+
+ if (!rte_trace_is_enabled())
+ return TEST_SKIPPED;
+
+ rte_trace_mode_set(RTE_TRACE_MODE_DISCARD);
+ if (rte_trace_mode_get() != RTE_TRACE_MODE_DISCARD)
+ goto failed;
+
+ rte_trace_mode_set(RTE_TRACE_MODE_OVERWRITE);
+ if (rte_trace_mode_get() != RTE_TRACE_MODE_OVERWRITE)
+ goto failed;
+
+ rte_trace_mode_set(current);
+ return TEST_SUCCESS;
+
+failed:
+ return TEST_FAILED;
+
+}
+
+static int
+test_trace_points_lookup(void)
+{
+ rte_trace_point_t *trace;
+
+ trace = rte_trace_point_lookup("app.dpdk.test.tp");
+ if (trace == NULL)
+ goto fail;
+ trace = rte_trace_point_lookup("this_trace_point_does_not_exist");
+ if (trace != NULL)
+ goto fail;
+
+ return TEST_SUCCESS;
+fail:
+ return TEST_FAILED;
+}
+
+static int
+test_trace_fastpath_point(void)
+{
+ /* Emit the FP trace */
+ app_dpdk_test_fp();
+
+ return TEST_SUCCESS;
+}
+
+static int
+test_generic_trace_points(void)
+{
+ int tmp;
+
+ rte_eal_trace_generic_void();
+ rte_eal_trace_generic_u64(0x10000000000000);
+ rte_eal_trace_generic_u32(0x10000000);
+ rte_eal_trace_generic_u16(0xffee);
+ rte_eal_trace_generic_u8(0xc);
+ rte_eal_trace_generic_i64(-1234);
+ rte_eal_trace_generic_i32(-1234567);
+ rte_eal_trace_generic_i16(12);
+ rte_eal_trace_generic_i8(-3);
+ rte_eal_trace_generic_int(3333333);
+ rte_eal_trace_generic_long(333);
+ rte_eal_trace_generic_float(20.45);
+ rte_eal_trace_generic_double(20000.5000004);
+ rte_eal_trace_generic_ptr(&tmp);
+ rte_eal_trace_generic_str("my string");
+ RTE_TRACE_LIB_EAL_GENERIC_FUNC;
+
+ return TEST_SUCCESS;
+}
+
+static struct unit_test_suite trace_tests = {
+ .suite_name = "trace autotest",
+ .setup = NULL,
+ .teardown = NULL,
+ .unit_test_cases = {
+ TEST_CASE(test_trace_mode),
+ TEST_CASE(test_generic_trace_points),
+ TEST_CASE(test_trace_fastpath_point),
+ TEST_CASE(test_trace_point_disable_enable),
+ TEST_CASE(test_trace_point_globbing),
+ TEST_CASE(test_trace_point_regex),
+ TEST_CASE(test_trace_points_lookup),
+ TEST_CASES_END()
+ }
+};
+
+static int
+test_trace(void)
+{
+ return unit_test_suite_runner(&trace_tests);
+}
+
+REGISTER_TEST_COMMAND(trace_autotest, test_trace);
+
+static int
+test_trace_dump(void)
+{
+ rte_trace_dump(stdout);
+ return 0;
+}
+
+REGISTER_TEST_COMMAND(trace_dump, test_trace_dump);
+
+static int
+test_trace_metadata_dump(void)
+{
+ return rte_trace_metadata_dump(stdout);
+}
+
+REGISTER_TEST_COMMAND(trace_metadata_dump, test_trace_metadata_dump);
diff --git a/app/test/test_trace.h b/app/test/test_trace.h
new file mode 100644
index 000000000..413842f60
--- /dev/null
+++ b/app/test/test_trace.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+#include <rte_trace_point.h>
+
+RTE_TRACE_POINT(
+ app_dpdk_test_tp,
+ RTE_TRACE_POINT_ARGS(const char *str),
+ rte_trace_point_emit_string(str);
+)
+
+RTE_TRACE_POINT_FP(
+ app_dpdk_test_fp,
+ RTE_TRACE_POINT_ARGS(void),
+)
diff --git a/app/test/test_trace_register.c b/app/test/test_trace_register.c
new file mode 100644
index 000000000..1735149a2
--- /dev/null
+++ b/app/test/test_trace_register.c
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+#define RTE_TRACE_POINT_REGISTER_SELECT /* Select trace point register macros */
+
+#include "test_trace.h"
+
+/* Define trace points */
+RTE_TRACE_POINT_DEFINE(app_dpdk_test_tp);
+RTE_TRACE_POINT_DEFINE(app_dpdk_test_fp);
+
+RTE_INIT(register_valid_trace_points)
+{
+ RTE_TRACE_POINT_REGISTER(app_dpdk_test_tp, app.dpdk.test.tp);
+ RTE_TRACE_POINT_REGISTER(app_dpdk_test_fp, app.dpdk.test.fp);
+}
+
--
2.25.1