Support bthread tracer with bazel

.github/workflows/ci-linux.yml

@@ -46,13 +46,13 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v2
-    - run: bazel test --verbose_failures -- //... -//example/...
+    - run: bazel build --verbose_failures -- //... -//example/...
 
   gcc-compile-with-boringssl:
     runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v2
-    - run: bazel test --verbose_failures --define with_mesalink=false --define with_glog=true --define with_thrift=true --define BRPC_WITH_BORINGSSL=true -- //... -//example/...
+    - run: bazel build --verbose_failures --define with_mesalink=false --define with_glog=true --define with_thrift=true --define BRPC_WITH_BORINGSSL=true -- //... -//example/...
 
   gcc-compile-with-make-all-options:
     runs-on: ubuntu-20.04
@@ -86,7 +86,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v2
-    - run: bazel test --verbose_failures --define with_mesalink=false --define with_glog=true --define with_thrift=true --define with_debug_bthread_sche_safety=true --define with_debug_lock=true -- //... -//example/...
+    - run: bazel build --verbose_failures --define with_mesalink=false --define with_glog=true --define with_thrift=true --define with_debug_bthread_sche_safety=true --define with_debug_lock=true -- //... -//example/...
 
   clang-compile-with-make:
     runs-on: ubuntu-20.04

BUILD.bazel

@@ -48,8 +48,11 @@ COPTS = [
     "//bazel/config:brpc_with_debug_bthread_sche_safety": ["-DBRPC_DEBUG_BTHREAD_SCHE_SAFETY=1"],
     "//conditions:default": ["-DBRPC_DEBUG_BTHREAD_SCHE_SAFETY=0"],
 }) + select({
-      "//bazel/config:brpc_with_debug_lock": ["-DBRPC_DEBUG_LOCK=1"],
-      "//conditions:default": ["-DBRPC_DEBUG_LOCK=0"],
+    "//bazel/config:brpc_with_debug_lock": ["-DBRPC_DEBUG_LOCK=1"],
+    "//conditions:default": ["-DBRPC_DEBUG_LOCK=0"],
+}) + select({
+    "@platforms//cpu:x86_64": ["-DBRPC_BTHREAD_TRACER"],
+    "//conditions:default": [],
 })
 
 LINKOPTS = [
@@ -402,7 +405,10 @@ cc_library(
     deps = [
         ":butil",
         ":bvar",
-    ],
+    ] + select({
+        "@platforms//cpu:x86_64": ["@com_github_libunwind_libunwind//:libunwind"],
+        "//conditions:default": [],
+    }),
 )
 
 cc_library(

MODULE.bazel

@@ -15,7 +15,8 @@ bazel_dep(name = 'platforms', version = '0.0.4')
 bazel_dep(name = "apple_support", version = "1.17.1")
 bazel_dep(name = 'rules_cc', version = '0.0.1')
 bazel_dep(name = 'rules_proto', version = '4.0.0')
-bazel_dep(name = 'zlib', version = '1.2.13', repo_name = 'com_github_madler_zlib')
+bazel_dep(name = 'zlib', version = '1.3.1.bcr.5', repo_name = 'com_github_madler_zlib')
+bazel_dep(name = "libunwind", version = "1.8.1", repo_name = 'com_github_libunwind_libunwind')
 
 # --registry=https://baidu.github.io/babylon/registry
 bazel_dep(name = 'leveldb', version = '1.23', repo_name = 'com_github_google_leveldb')

src/bthread/task_tracer.h

@@ -80,8 +80,8 @@ class TaskTracer {
 
         bool OK() const { return err_count == 0; }
 
-        static const size_t MAX_TRACE_NUM = 64;
-        static const size_t MAX_ERROR_NUM = 2;
+        static constexpr size_t MAX_TRACE_NUM = 64;
+        static constexpr size_t MAX_ERROR_NUM = 2;
 
         unw_word_t ips[MAX_TRACE_NUM];
         char mangled[MAX_TRACE_NUM][256]{};

test/bthread_fd_unittest.cpp

@@ -560,7 +560,7 @@ TEST(FDTest, double_close) {
     ASSERT_EQ(ec, errno);
 }
 
-const char* g_hostname = "baidu.com";
+const char* g_hostname = "github.com";
 TEST(FDTest, bthread_connect) {
     butil::EndPoint ep;
     ASSERT_EQ(0, butil::hostname2endpoint(g_hostname, 80, &ep));

test/endpoint_unittest.cpp

@@ -483,7 +483,7 @@ TEST(EndPointTest, endpoint_concurrency) {
     }
 }
 
-const char* g_hostname = "baidu.com";
+const char* g_hostname = "github.com";
 
 TEST(EndPointTest, tcp_connect) {
     butil::EndPoint ep;