SERVER-19499 Print out FSM workload schedules in the concurrency suite

This output can be used to run previous schedules when debugging test
failures.

1 files changed, 11 insertions, 0 deletions

diff --git a/jstests/concurrency/fsm_libs/runner.js b/jstests/concurrency/fsm_libs/runner.js
index 737b02ea3ed..716b9aeb786 100644
--- a/jstests/concurrency/fsm_libs/runner.js
+++ b/jstests/concurrency/fsm_libs/runner.js
@@ -348,6 +348,17 @@ var runner = (function() {
 
         try {
             var schedule = scheduleWorkloads(workloads, executionMode, executionOptions);
+
+            // Print out the entire schedule of workloads to make it easier to run the same
+            // schedule when debugging test failures.
+            jsTest.log('The entire schedule of FSM workloads:');
+
+            // Note: We use printjsononeline (instead of just plain printjson) to make it
+            // easier to reuse the output in variable assignments.
+            printjsononeline(schedule);
+
+            jsTest.log('End of schedule');
+
             schedule.forEach(function(workloads) {
                 var cleanup = [];
                 var errors = [];