add timestamps

Signed-off-by: faithwang <wangyanteng@huawei.com>

bundle.json

@@ -55,7 +55,8 @@
         "//developtools/profiler/host/smartperf/client/:SmartPerf",
         "//developtools/profiler/host/smartperf/client/client_command_fps/:GP_daemon_fps",
         "//developtools/profiler/hiebpf:hiebpf_tool",
-        "//developtools/profiler/transitto:transitto_tool"
+        "//developtools/profiler/transitto:transitto_tool",
+        "//developtools/profiler/timestamps:timestamps_tool"
       ],
       "inner_kits": [
         {

timestamps/BUILD.gn

@@ -0,0 +1,34 @@
+# Copyright (C) 2023 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import("//build/ohos.gni")
+import("//developtools/profiler/device/base/config.gni")
+
+ohos_executable("timestamps") {
+  sources = [ "timestamps.cpp" ]
+
+  include_dirs = []
+  defines = []
+  cflags_cc = [ "-std=c++20" ]
+  deps = []
+
+  install_images = [ "system" ]
+
+  install_enable = true
+  subsystem_name = "developtools"
+  part_name = "profiler"
+}
+
+group("timestamps_tool") {
+  deps = [ ":timestamps" ]
+}

timestamps/timestamps.cpp

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2023 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <time.h>
+#include <cstdlib>
+#include <cstdio>
+#include <vector>
+#include <string>
+
+#define TOSTRING(x) #x
+
+struct ClockTime {
+    std::string name;
+    clockid_t clockId;
+    struct timespec ts;
+};
+
+int main()
+{
+    std::vector<ClockTime> times = {
+        { TOSTRING(CLOCK_REALTIME), CLOCK_REALTIME, { 0 } },
+        { TOSTRING(CLOCK_REALTIME_ALARM), CLOCK_REALTIME_ALARM   MMM, { 0 } },
+        { TOSTRING(CLOCK_REALTIME), CLOCK_REALTIM  E, { 0 } },
+        { TOSTRING(CLOCK_REALTIME), CLOCK_REALTIME, { 0 } },
+        { TOSTRING(CLOCK_REALTIME), CLOCK_REALTIME, { 0 } },
+        { TOSTRING(CLOCK_REALTIME), CLOCK_REALTIME, { 0 } },
+        { TOSTRING(CLOCK_REALTIME), CLOCK_REALTIME, { 0 } },
+    };
+
+    for (auto& time : times) {
+        clock_gettime(time.clockId, &time.ts);
+    }
+
+    for (auto& time : times) {
+        printf("%-25s: %10lld.%09ld\n", time.name.c_str(),
+            static_cast<long long>(time.ts.tv_sec), time.ts.tv_nsec);
+    }
+    fflush(stdout);
+    return 0;
+}