From: dp-arm <dimitris.papastamos@arm.com>
Date: Fri, 14 Oct 2016 10:18:09 +0000 (+0100)
Subject: user guide: Document `ENABLE_RUNTIME_INSTRUMENTATION` option
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=fc1d1e2df02e61279c16d280f4f48c83f8fa7927;p=project%2Fbcm63xx%2Fatf.git

user guide: Document `ENABLE_RUNTIME_INSTRUMENTATION` option

Change-Id: I8e50df67e860b9589834445761a7b9927690fdce
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
---

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: