Add the ability to throttle workers in wtperf.

Not currently implemented for async.

1 files changed, 4 insertions, 2 deletions

diff --git a/bench/wtperf/wtperf_opt.i b/bench/wtperf/wtperf_opt.i
index 2f51f5be5b9..606297eb438 100644
--- a/bench/wtperf/wtperf_opt.i
+++ b/bench/wtperf/wtperf_opt.i
@@ -148,12 +148,14 @@ DEF_OPT_AS_UINT32(table_count, 1,
 DEF_OPT_AS_STRING(threads, "", "workload configuration: each 'count' "
     "entry is the total number of threads, and the 'insert', 'read' and "
     "'update' entries are the ratios of insert, read and update operations "
-    "done by each worker thread; multiple workload configurations may be "
+    "done by each worker thread; If a throttle value is provided each thread "
+    "will do a maximum of that number of operations per second; multiple "
+    "workload configurations may be "
     "specified; for example, a more complex threads configuration might be "
     "'threads=((count=2,reads=1)(count=8,reads=1,inserts=2,updates=1))' "
     "which would create 2 threads doing nothing but reads and 8 threads "
     "each doing 50% inserts and 25% reads and updates.  Allowed configuration "
-    "values are 'count', 'reads', 'inserts', 'updates'")
+    "values are 'count', 'throttle', 'reads', 'inserts', 'updates'")
 DEF_OPT_AS_CONFIG_STRING(transaction_config, "",
     "transaction configuration string, relevant when populate_opts_per_txn "
     "is nonzero")