[RFC v2 3/4] perf report: Add --spe options for arm-spe

[Tan Xiaojun]

The previous patch added support in "perf report" for some arm-spe
events(llc-miss, tlb-miss, branch-miss). This patch adds their help
instructions.

Signed-off-by: Tan Xiaojun <tanxiaojun@xxxxxxxxxx>
---
 tools/perf/Documentation/perf-report.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 7315f155803f..a3628dde3be7 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -462,6 +462,15 @@ include::itrace.txt[]
 
 	To disable decoding entirely, use --no-itrace.
 
+--spe::
+	Options for decoding arm-spe tracing data. The options are:
+
+		l	synthesize llc miss events
+		t	synthesize tlb miss events
+		b	synthesize branch miss events
+
+	The default is all events i.e. the same as --spe=ltb
+
 --full-source-path::
 	Show the full path for source files for srcline output.
 
-- 
2.17.1