SERVER-45564 test SIGUSR2 multithread stacktrace

3 files changed, 45 insertions, 0 deletions

diff --git a/buildscripts/resmokeconfig/suites/libunwind.yml b/buildscripts/resmokeconfig/suites/libunwind.yml
new file mode 100644
index 00000000000..1ee185e1c60
--- /dev/null
+++ b/buildscripts/resmokeconfig/suites/libunwind.yml
@@ -0,0 +1,15 @@
+test_kind: js_test
+
+selector:
+  roots:
+  - jstests/libunwind/*.js
+
+executor:
+  config:
+    shell_options:
+      readMode: commands
+  fixture:
+    class: MongoDFixture
+    mongod_options:
+      set_parameters:
+        enableTestCommands: 1
diff --git a/etc/evergreen.yml b/etc/evergreen.yml
index d8909386408..6f8a7698a12 100644
--- a/etc/evergreen.yml
+++ b/etc/evergreen.yml
@@ -6048,6 +6048,15 @@ tasks:
       resmoke_args: --suites=sharded_jscore_txns_sharded_collections --storageEngine=wiredTiger
 
 - <<: *task_template
+  name: libunwind_tests
+  tags: []
+  commands:
+  - func: "do setup"
+  - func: "run tests"
+    vars:
+      resmoke_args: --suites=libunwind --storageEngine=wiredTiger
+
+- <<: *task_template
   name: causally_consistent_jscore_txns_passthrough
   tags: ["causally_consistent"]
   commands:
@@ -10313,6 +10322,7 @@ buildvariants:
     distros:
     - rhel70
   - name: jsCore
+  - name: libunwind_tests
 
 - <<: *enterprise-rhel-70-64-bit-template
   name: hot_backups-rhel-70-64-bit
@@ -10360,6 +10370,7 @@ buildvariants:
   - name: jsCore_txns_large_txns_format
   - name: .jstestfuzz .common
   - name: .logical_session_cache .one_sec
+  - name: libunwind_tests
   - name: replica_sets_auth_gen
   - name: replica_sets_jscore_passthrough
   - name: .replica_sets .multi_oplog
diff --git a/jstests/libunwind/stacktrace_signal.js b/jstests/libunwind/stacktrace_signal.js
new file mode 100644
index 00000000000..ac35ffe711f
--- /dev/null
+++ b/jstests/libunwind/stacktrace_signal.js
@@ -0,0 +1,19 @@
+/**
+ * Hit mongod with a SIGUSR2 and observe multithread stack trace.
+ * Should only work on Linux, and when mongod is built with libunwind.
+ *
+ * @tags: [
+ *   requires_libunwind
+ * ]
+ */
+(function() {
+clearRawMongoProgramOutput();
+const conn = MongoRunner.runMongod();
+runMongoProgram('/bin/kill', '-s', 'SIGUSR2', conn.pid);
+MongoRunner.stopMongod(conn);
+const output = rawMongoProgramOutput();
+assert(output.search(/"threadInfo":/) >= 0, output);
+assert(output.search(/"processInfo":/) >= 0, output);
+// Will be several of these
+assert(output.search(/"backtrace":/) >= 0, output);
+})();