[Xen-changelog] [xen master] SUPPORT.md: Add Debugging, analysis, crash post-portem

[patchbot@xxxxxxx]

commit 389792060b54e7361a2b668028379877994dca8d
Author:     George Dunlap <george.dunlap@xxxxxxxxxx>
AuthorDate: Wed Nov 22 19:19:03 2017 +0000
Commit:     George Dunlap <george.dunlap@xxxxxxxxxx>
CommitDate: Mon Nov 27 16:48:42 2017 +0000

    SUPPORT.md: Add Debugging, analysis, crash post-portem
    
    Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 SUPPORT.md | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/SUPPORT.md b/SUPPORT.md
index ddfbca3..470a4bf 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -140,6 +140,61 @@ Output of information in machine-parseable JSON format
 
     Status: Supported, Security support external
 
+## Debugging, analysis, and crash post-mortem
+
+### Host serial console
+
+    Status, NS16550: Supported
+    Status, EHCI: Supported
+    Status, Cadence UART (ARM): Supported
+    Status, PL011 UART (ARM): Supported
+    Status, Exynos 4210 UART (ARM): Supported
+    Status, OMAP UART (ARM): Supported
+    Status, SCI(F) UART: Supported
+
+### Hypervisor 'debug keys'
+
+    Status: Supported, not security supported
+
+These are functions triggered either from the host serial console,
+or via the xl 'debug-keys' command,
+which cause Xen to dump various hypervisor state to the console.
+
+### Hypervisor synchronous console output (sync_console)
+
+    Status: Supported, not security supported
+
+Xen command-line flag to force synchronous console output.
+Useful for debugging, but not suitable for production environments
+due to incurred overhead.
+
+### gdbsx
+
+    Status, x86: Supported, not security supported
+
+Debugger to debug ELF guests
+
+### Soft-reset for PV guests
+
+    Status: Supported
+
+Soft-reset allows a new kernel to start 'from scratch' with a fresh VM state,
+but with all the memory from the previous state of the VM intact.
+This is primarily designed to allow "crash kernels",
+which can do core dumps of memory to help with debugging in the event of a 
crash.
+
+### xentrace
+
+    Status, x86: Supported
+
+Tool to capture Xen trace buffer data
+
+### gcov
+
+    Status: Supported, Not security supported
+
+Export hypervisor coverage data suitable for analysis by gcov or lcov.
+
 ## Memory Management
 
 ### Dynamic memory control
--
generated by git-patchbot for /home/xen/git/xen.git#master

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