lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Mon,  3 Jul 2017 16:50:29 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Namhyung Kim <namhyung@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Thomas Richter <tmricht@...ux.vnet.ibm.com>
Subject: [PATCH 14/15] 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.

Link: http://lkml.kernel.org/n/tip-p1l0gp8prt7zelcdjvtqtf9n@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/tests/attr.py                   | 14 +++++++++++---
 tools/perf/tests/attr/test-stat-default    |  2 ++
 tools/perf/tests/attr/test-stat-detailed-1 |  2 ++
 tools/perf/tests/attr/test-stat-detailed-2 |  3 +++
 tools/perf/tests/attr/test-stat-detailed-3 |  5 +++++
 5 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/tools/perf/tests/attr.py b/tools/perf/tests/attr.py
index b03261c6b1ed..6bb50e82a3e3 100644
--- 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 19270f54c96e..e911dbd4eb47 100644
--- 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 51426b87153b..b39270a08e74 100644
--- 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 8de5acc31c27..45f8e6ea34f8 100644
--- 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 0a1f45bf7d79..30ae0fb7a3fd 100644
--- 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
-- 
2.9.4

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ