summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authordp-arm <dimitris.papastamos@arm.com>2016-10-14 11:18:09 +0100
committerdp-arm <dimitris.papastamos@arm.com>2016-11-03 16:02:53 +0000
commitfc1d1e2df02e61279c16d280f4f48c83f8fa7927 (patch)
tree7caa48149caf69eb2adfc363029adf8fc59cde42
parent9c4c18fa8812f080e09b0d522fe98d0235e97320 (diff)
user guide: Document `ENABLE_RUNTIME_INSTRUMENTATION` option
Change-Id: I8e50df67e860b9589834445761a7b9927690fdce Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
-rw-r--r--docs/user-guide.md6
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/user-guide.md b/docs/user-guide.md
index 5b73b663..140977e7 100644
--- a/docs/user-guide.md
+++ b/docs/user-guide.md
@@ -466,6 +466,12 @@ performed.
Note: `TRUSTED_BOARD_BOOT` is currently not supported when `LOAD_IMAGE_V2`
is enabled.
+* `ENABLE_RUNTIME_INSTRUMENTATION`: Boolean option to enable runtime
+ instrumentation which injects timestamp collection points into
+ Trusted Firmware to allow runtime performance to be measured.
+ Currently, only PSCI is instrumented. Enabling this option enables
+ the `ENABLE_PMF` build option as well. Default is 0.
+
#### ARM development platform specific build options
* `ARM_TSP_RAM_LOCATION`: location of the TSP binary. Options: