From 46a948dafac74a0f1f3153ebc9eea772fb29829c Mon Sep 17 00:00:00 2001
From: Ivan Grokhotkov <ivan@espressif.com>
Date: Thu, 29 Nov 2018 20:18:57 +0800
Subject: [PATCH] app_trace: require timer driver to be in IRAM

Closes https://github.com/espressif/esp-idf/issues/2760
---
 components/app_trace/linker.lf | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/components/app_trace/linker.lf b/components/app_trace/linker.lf
index d61532411..5494afc00 100644
--- a/components/app_trace/linker.lf
+++ b/components/app_trace/linker.lf
@@ -3,3 +3,10 @@ archive: libapp_trace.a
 entries: 
     * (noflash)
 
+[mapping]
+archive: libdriver.a
+entries:
+    : SYSVIEW_TS_SOURCE_TIMER_00 = y || SYSVIEW_TS_SOURCE_TIMER_01 = y 
+      || SYSVIEW_TS_SOURCE_TIMER_10 = y || SYSVIEW_TS_SOURCE_TIMER_11 = y
+    timer (noflash)
+