tclsh $TESTDIR/testrunner.tcl --dryrun mdevtest"
```
+The **--explain** option is similar to --dryrun in that it prevents testrunner.tcl
+from building any binaries or running any tests. The difference is that --explain
+prints on standard output a human-readable summary of all the builds and tests that
+would have been run.
+
+```
+ # Show what builds and tests would have been run
+ tclsh $TESTDIR/testrunner.tcl --explain mdevtest
+```
+
<a name=cpu_cores></a>
# 5. Controlling CPU Core Utilization
-C Add\sthe\s--explain\soption\sto\stestrunner.tcl.
-D 2024-03-13T13:09:58.491
+C Document\sthe\stestrunner.tcl\s--explain\soption\sin\sdoc/testrunner.md.
+D 2024-03-13T13:27:16.812
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
F doc/jsonb.md 5fab4b8613aa9153fbeb6259297bd4697988af8b3d23900deba588fa7841456b
F doc/lemon.html 8b266ff711d2ec7f867c3dca37634963f48a630329908cc282beebfa8c708706
F doc/pager-invariants.txt 27fed9a70ddad2088750c4a2b493b63853da2710
-F doc/testrunner.md 50570a63efb68fd1472cbe7eeccf78c7b7d66ac1f966ab18d29f824f7cdba2b3
+F doc/testrunner.md 15583cf8c7d8a1c3378fd5d4319ca769a14c4d950a5df9b015d01d5be290dc69
F doc/trusted-schema.md 33625008620e879c7bcfbbfa079587612c434fa094d338b08242288d358c3e8a
F doc/vdbesort-memory.md 4da2639c14cd24a31e0af694b1a8dd37eaf277aff3867e9a8cc14046bc49df56
F doc/vfs-shm.txt e101f27ea02a8387ce46a05be2b1a902a021d37a
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 233155c174575fa99b34030c1936bc2b04489417f4d5223f18cdb3c8fc274a56
-R 73b7b3b0e43269248a0a7f9b5744d286
+P f0c9eb0326f189fe5ebbee83532ac2c413e91c6a8e9d5b93aa6170cba66fdd22
+R 4e0be3056348c8f1e7d2864a45b77c77
U drh
-Z bad41bec7a1c5ea3149d7911ab3a6c38
+Z 5cfab6cb98d5a454aa1c2e14d97de81e
# Remove this line to create a well-formed Fossil manifest.