msys.threadpool.stat
March 26, 2020
Name
msys.threadpool.stat — Return stats regarding a threadpool
Synopsis
msys.threadpool.stat(threadpoolname_or_jobclassid);
threadpoolname_or_jobclassid: mixed
Description
Supply a job class ID (integer) or name (string) to this function. A table is returned with the following fields.
-
name
-
invocations
-
avg_concurrency
-
saturation
-
avg_wallclock_time_per_op
-
queue_sz
-
num_threads
-
num_active_threads
-
num_inactive_threads
-
job_num_queued
-
job_num_running
If no thread pool exists with the given name or job class then nil is returned. This function is only safe to call from the scheduler thread. Summaries returned by this function include a pretty printer.
...
s = msys.threadpool.stat("SWAPIN");
print (s["invocations"]);
s = msys.threadpool.stat(1);
print (s["job_num_queued"]);
Enable this function with the statement require('msys.threadpool');.