perf tests attr: Add optional term

Some of the stat events are quite rare to find on common machines (like
front end cycles).

Adding an 'optional' term to mark such events in attr tests. Event
marked as optional will not fail the test case if it's not found in
results.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Thomas Richter <tmricht@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20170703145030.12903-15-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/tests/attr.py b/tools/perf/tests/attr.py
index b03261c6b1ed6a1513c1229f40eca0f4b2d999fa..6bb50e82a3e3101de32ff3aca50680aa24cc565d 100644 (file)
--- a/tools/perf/tests/attr.py
+++ b/tools/perf/tests/attr.py
@@ -105,6 +105,11 @@ class Event(dict):
                 return False
         return True
 
+    def optional(self):
+        if self.has_key('optional') and self['optional'] == '1':
+            return True
+        return False
+
     def diff(self, other):
         for t in Event.terms:
             if not self.has_key(t) or not other.has_key(t):
@@ -244,9 +249,12 @@ class Test(object):
             log.debug("    match: [%s] matches %s" % (exp_name, str(exp_list)))
 
             # we did not any matching event - fail
-            if (not exp_list):
-               exp_event.diff(res_event)
-                raise Fail(self, 'match failure');
+            if not exp_list:
+                if exp_event.optional():
+                    log.debug("    %s does not match, but is optional" % exp_name)
+                else:
+                    exp_event.diff(res_event)
+                    raise Fail(self, 'match failure');
 
             match[exp_name] = exp_list
 

diff --git a/tools/perf/tests/attr/test-stat-default b/tools/perf/tests/attr/test-stat-default
index 19270f54c96ea7de0470cdf6fafb94256a590844..e911dbd4eb47eb9b1be00e9d14bebab763efb5d0 100644 (file)
--- a/tools/perf/tests/attr/test-stat-default
+++ b/tools/perf/tests/attr/test-stat-default
@@ -38,12 +38,14 @@ config=0
 fd=6
 type=0
 config=7
+optional=1
 
 # PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND
 [event7:base-stat]
 fd=7
 type=0
 config=8
+optional=1
 
 # PERF_TYPE_HARDWARE / PERF_COUNT_HW_INSTRUCTIONS
 [event8:base-stat]

diff --git a/tools/perf/tests/attr/test-stat-detailed-1 b/tools/perf/tests/attr/test-stat-detailed-1
index 51426b87153b5aa739f25a4f7dba2d44285c20f1..b39270a08e740a58f5ae2e9fbfdcd5658942502a 100644 (file)
--- a/tools/perf/tests/attr/test-stat-detailed-1
+++ b/tools/perf/tests/attr/test-stat-detailed-1
@@ -39,12 +39,14 @@ config=0
 fd=6
 type=0
 config=7
+optional=1
 
 # PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND
 [event7:base-stat]
 fd=7
 type=0
 config=8
+optional=1
 
 # PERF_TYPE_HARDWARE / PERF_COUNT_HW_INSTRUCTIONS
 [event8:base-stat]

diff --git a/tools/perf/tests/attr/test-stat-detailed-2 b/tools/perf/tests/attr/test-stat-detailed-2
index 8de5acc31c27ca59420b1ebab6e24a4d42518bcb..45f8e6ea34f817819d5fd71ae9b05e661425e8cb 100644 (file)
--- a/tools/perf/tests/attr/test-stat-detailed-2
+++ b/tools/perf/tests/attr/test-stat-detailed-2
@@ -39,12 +39,14 @@ config=0
 fd=6
 type=0
 config=7
+optional=1
 
 # PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND
 [event7:base-stat]
 fd=7
 type=0
 config=8
+optional=1
 
 # PERF_TYPE_HARDWARE / PERF_COUNT_HW_INSTRUCTIONS
 [event8:base-stat]
@@ -108,6 +110,7 @@ config=65538
 fd=15
 type=3
 config=1
+optional=1
 
 # PERF_TYPE_HW_CACHE,
 #  PERF_COUNT_HW_CACHE_L1I                <<  0  |

diff --git a/tools/perf/tests/attr/test-stat-detailed-3 b/tools/perf/tests/attr/test-stat-detailed-3
index 0a1f45bf7d799b63b16d5c00908cbcf1af9ada18..30ae0fb7a3fdb12c549050c4985b70c8b885e4ea 100644 (file)
--- a/tools/perf/tests/attr/test-stat-detailed-3
+++ b/tools/perf/tests/attr/test-stat-detailed-3
@@ -39,12 +39,14 @@ config=0
 fd=6
 type=0
 config=7
+optional=1
 
 # PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND
 [event7:base-stat]
 fd=7
 type=0
 config=8
+optional=1
 
 # PERF_TYPE_HARDWARE / PERF_COUNT_HW_INSTRUCTIONS
 [event8:base-stat]
@@ -108,6 +110,7 @@ config=65538
 fd=15
 type=3
 config=1
+optional=1
 
 # PERF_TYPE_HW_CACHE,
 #  PERF_COUNT_HW_CACHE_L1I                <<  0  |
@@ -162,6 +165,7 @@ config=65540
 fd=21
 type=3
 config=512
+optional=1
 
 # PERF_TYPE_HW_CACHE,
 #  PERF_COUNT_HW_CACHE_L1D                <<  0  |
@@ -171,3 +175,4 @@ config=512
 fd=22
 type=3
 config=66048
+optional=1