Revert "Revert "Revert "Get clocktime and CPU Ticks."""

This reverts commit 29ccdd5f8d3d97d1be621c67786a061577a2305c.

Reason for revert: b/279194443. Breaks git_master-without-vendor/eng

Change-Id: Ib8b7b70ba0bed22c6db01bd7a6c85460fbea9eff

2 files changed, 0 insertions, 135 deletions

diff --git a/tools/tracing/time_utility/Android.bp b/tools/tracing/time_utility/Android.bp
deleted file mode 100644
index 44c27ee..0000000
--- a/tools/tracing/time_utility/Android.bp
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * 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.
- */
-
-package {
-    default_applicable_licenses: ["Android-Apache-2.0"],
-}
-
-cc_binary {
-    name: "android.automotive.tracing.time-util.trout",
-    vendor:true,
-    srcs: [
-        "ClockTime.cpp",
-    ],
-    shared_libs: [
-        "libbase",
-        "libbinder_ndk",
-        "libcutils",
-        "liblog",
-        "libutils",
-    ],
-    cflags: [
-        "-Wno-unused-parameter",
-    ]
-}
\ No newline at end of file
diff --git a/tools/tracing/time_utility/ClockTime.cpp b/tools/tracing/time_utility/ClockTime.cpp
deleted file mode 100644
index 8fd56f5..0000000
--- a/tools/tracing/time_utility/ClockTime.cpp
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * 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 <cstring>
-#include <iostream>
-#include <optional>
-#include <sstream>
-#include <unordered_map>
-
-uint64_t s2ns(uint64_t s) {
-    return s * 1000000000ull;
-}
-
-int GetTime(int type, uint64_t* ts_ns) {
-    struct timespec ts;
-    int res = clock_gettime(type, &ts);
-    if (!res) {
-        *ts_ns = s2ns(ts.tv_sec) + ts.tv_nsec;
-    }
-    return res;
-}
-
-uint64_t GetCPUTicks() {
-#if defined(__x86_64__) || defined(__amd64__)
-    uint32_t hi, lo;
-    asm volatile("rdtsc" : "=a"(lo), "=d"(hi));
-    return ((uint64_t)lo) | (((uint64_t)hi) << 32);
-#elif defined(__aarch64__)
-    uint64_t vct;
-    asm volatile("mrs %0, cntvct_el0" : "=r"(vct));
-    return vct;
-#else
-#error "no cpu tick support."
-#endif
-}
-
-void PrintHelpAndExit(const std::string& error_msg = "") {
-    int exit_error = 0;
-    if (!error_msg.empty()) {
-        std::cout << error_msg << "\n";
-        exit_error = 1;
-    }
-
-    std::cout << "Usage: ClockTime [CLOCK_ID]\n"
-              << "CLOCK_ID can be  CLOCK_REALTIME or CLOCK_MONOTONIC \n"
-              << "if omitted, it will obtain the processors's time-stamp counter \n"
-              << "on x86 it will use RDTSC, on arm64 it will use MRS CNTCVT. \n"
-              << "-h, --help      Print this help message\n";
-
-    exit(exit_error);
-}
-
-int main(int argc, char* argv[]) {
-    std::unordered_map<std::string, clockid_t> clock_map = {
-            std::make_pair("CLOCK_REALTIME", CLOCK_REALTIME),
-            std::make_pair("CLOCK_MONOTONIC", CLOCK_MONOTONIC)};
-
-    if (argc == 1) {
-        std::cout << GetCPUTicks() << "\n";
-    } else if (argc == 2) {
-        if (!(strcmp(argv[1], "-h") && strcmp(argv[1], "--help"))) {
-            PrintHelpAndExit();
-        }
-
-        uint64_t ts_ns;
-        auto it = clock_map.find(argv[1]);
-        if (it == clock_map.end()) {
-            PrintHelpAndExit("Wrong CLOCK_ID");
-        }
-
-        int res = GetTime(it->second, &ts_ns);
-        if (res) {
-            std::stringstream err_msg("GetTime() got error");
-            err_msg << res;
-            PrintHelpAndExit(err_msg.str());
-        }
-
-        std::cout << ts_ns << "\n";
-    } else {
-        PrintHelpAndExit("Wrong number of arguments");
-    }
-
-    return EXIT_SUCCESS;
-}