* [PATCH v2 1/4] perf test: Add ability to test exit code for attr tests
2022-12-13 11:47 [PATCH v2 0/4] Add VG register attr test with kernel version and feature detection James Clark
@ 2022-12-13 11:47 ` James Clark
2022-12-13 11:47 ` [PATCH v2 2/4] perf test: Add mechanism for skipping attr tests on auxiliary vector values James Clark
` (3 subsequent siblings)
4 siblings, 0 replies; 8+ messages in thread
From: James Clark @ 2022-12-13 11:47 UTC (permalink / raw)
To: linux-perf-users
Cc: James Clark, Peter Zijlstra, Ingo Molnar,
Arnaldo Carvalho de Melo, Mark Rutland, Alexander Shishkin,
Jiri Olsa, Namhyung Kim, linux-kernel, bpf
Currently the return value is used to skip the test, but sometimes it
can be useful to test if a certain command should return a certain exit
code.
Signed-off-by: James Clark <james.clark@arm.com>
---
tools/perf/tests/attr.py | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/tools/perf/tests/attr.py b/tools/perf/tests/attr.py
index cb39ac46bc73..cf40df472918 100644
--- a/tools/perf/tests/attr.py
+++ b/tools/perf/tests/attr.py
@@ -129,7 +129,8 @@ class Event(dict):
# - needs to specify:
# 'command' - perf command name
# 'args' - special command arguments
-# 'ret' - expected command return value (0 by default)
+# 'ret' - Skip test if Perf doesn't exit with this value (0 by default)
+# 'test_ret'- If set to 'true', fail test instead of skipping for 'ret' argument
# 'arch' - architecture specific test (optional)
# comma separated list, ! at the beginning
# negates it.
@@ -155,6 +156,8 @@ class Test(object):
except:
self.ret = 0
+ self.test_ret = parser.getboolean('config', 'test_ret', fallback=False)
+
try:
self.arch = parser.get('config', 'arch')
log.warning("test limitation '%s'" % self.arch)
@@ -232,7 +235,10 @@ class Test(object):
log.info(" '%s' ret '%s', expected '%s'" % (cmd, str(ret), str(self.ret)))
if not data_equal(str(ret), str(self.ret)):
- raise Unsup(self)
+ if self.test_ret:
+ raise Fail(self, "Perf exit code failure")
+ else:
+ raise Unsup(self)
def compare(self, expect, result):
match = {}
--
2.25.1
^ permalink raw reply related [flat|nested] 8+ messages in thread* [PATCH v2 2/4] perf test: Add mechanism for skipping attr tests on auxiliary vector values
2022-12-13 11:47 [PATCH v2 0/4] Add VG register attr test with kernel version and feature detection James Clark
2022-12-13 11:47 ` [PATCH v2 1/4] perf test: Add ability to test exit code for attr tests James Clark
@ 2022-12-13 11:47 ` James Clark
2022-12-13 11:47 ` [PATCH v2 3/4] perf test: Add mechanism for skipping attr tests on kernel versions James Clark
` (2 subsequent siblings)
4 siblings, 0 replies; 8+ messages in thread
From: James Clark @ 2022-12-13 11:47 UTC (permalink / raw)
To: linux-perf-users
Cc: James Clark, Peter Zijlstra, Ingo Molnar,
Arnaldo Carvalho de Melo, Mark Rutland, Alexander Shishkin,
Jiri Olsa, Namhyung Kim, linux-kernel, bpf
This can be used to skip tests or provide different test values on
different platforms. For example to run a test only where Arm SVE is
present add this to the config section:
auxv = auxv["AT_HWCAP"] & 0x200000 == 0x200000
The value is a freeform Python expression that is evaled in the context
of a map called "auxv" that contains the decoded auxiliary vector.
Signed-off-by: James Clark <james.clark@arm.com>
---
tools/perf/tests/attr.py | 33 +++++++++++++++++++++++++++++++--
1 file changed, 31 insertions(+), 2 deletions(-)
diff --git a/tools/perf/tests/attr.py b/tools/perf/tests/attr.py
index cf40df472918..eceb6d022141 100644
--- a/tools/perf/tests/attr.py
+++ b/tools/perf/tests/attr.py
@@ -8,7 +8,9 @@ import glob
import optparse
import tempfile
import logging
+import re
import shutil
+import subprocess
try:
import configparser
@@ -134,6 +136,8 @@ class Event(dict):
# 'arch' - architecture specific test (optional)
# comma separated list, ! at the beginning
# negates it.
+# 'auxv' - Truthy statement that is evaled in the scope of the auxv map. When false,
+# the test is skipped. For example 'auxv["AT_HWCAP"] == 10'. (optional)
#
# [eventX:base]
# - one or multiple instances in file
@@ -164,6 +168,7 @@ class Test(object):
except:
self.arch = ''
+ self.auxv = parser.get('config', 'auxv', fallback=None)
self.expect = {}
self.result = {}
log.debug(" loading expected events");
@@ -175,7 +180,28 @@ class Test(object):
else:
return True
- def skip_test(self, myarch):
+ def skip_test_auxv(self):
+ def new_auxv(a, pattern):
+ items = list(filter(None, pattern.split(a)))
+ # AT_HWCAP is hex but doesn't have a prefix, so special case it
+ if items[0] == "AT_HWCAP":
+ value = int(items[-1], 16)
+ else:
+ try:
+ value = int(items[-1], 0)
+ except:
+ value = items[-1]
+ return (items[0], value)
+
+ if not self.auxv:
+ return False
+ auxv = subprocess.check_output("LD_SHOW_AUXV=1 sleep 0", shell=True) \
+ .decode(sys.stdout.encoding)
+ pattern = re.compile(r"[: ]+")
+ auxv = dict([new_auxv(a, pattern) for a in auxv.splitlines()])
+ return not eval(self.auxv)
+
+ def skip_test_arch(self, myarch):
# If architecture not set always run test
if self.arch == '':
# log.warning("test for arch %s is ok" % myarch)
@@ -225,9 +251,12 @@ class Test(object):
def run_cmd(self, tempdir):
junk1, junk2, junk3, junk4, myarch = (os.uname())
- if self.skip_test(myarch):
+ if self.skip_test_arch(myarch):
raise Notest(self, myarch)
+ if self.skip_test_auxv():
+ raise Notest(self, "auxv skip")
+
cmd = "PERF_TEST_ATTR=%s %s %s -o %s/perf.data %s" % (tempdir,
self.perf, self.command, tempdir, self.args)
ret = os.WEXITSTATUS(os.system(cmd))
--
2.25.1
^ permalink raw reply related [flat|nested] 8+ messages in thread* [PATCH v2 3/4] perf test: Add mechanism for skipping attr tests on kernel versions
2022-12-13 11:47 [PATCH v2 0/4] Add VG register attr test with kernel version and feature detection James Clark
2022-12-13 11:47 ` [PATCH v2 1/4] perf test: Add ability to test exit code for attr tests James Clark
2022-12-13 11:47 ` [PATCH v2 2/4] perf test: Add mechanism for skipping attr tests on auxiliary vector values James Clark
@ 2022-12-13 11:47 ` James Clark
2022-12-13 11:47 ` [PATCH v2 4/4] perf test arm64: Add attr tests for new VG register James Clark
2022-12-13 14:51 ` [PATCH v2 0/4] Add VG register attr test with kernel version and feature detection Arnaldo Carvalho de Melo
4 siblings, 0 replies; 8+ messages in thread
From: James Clark @ 2022-12-13 11:47 UTC (permalink / raw)
To: linux-perf-users
Cc: James Clark, Peter Zijlstra, Ingo Molnar,
Arnaldo Carvalho de Melo, Mark Rutland, Alexander Shishkin,
Jiri Olsa, Namhyung Kim, linux-kernel, bpf
The first two version numbers are used since that is where the ABI
changes happen, so seems to be the most useful for now.
'Until' is exclusive and 'since' is inclusive so that the same version
number can be used to mark a point where the change comes into effect.
This allows keeping the tests in a state where new tests will also pass
on older kernels if the existence of a new feature isn't explicitly
broadcast by the kernel. For example extended user regs are currently
discovered by trial and error calls to perf_event_open.
Signed-off-by: James Clark <james.clark@arm.com>
---
tools/perf/tests/attr.py | 28 +++++++++++++++++++++++++++-
1 file changed, 27 insertions(+), 1 deletion(-)
diff --git a/tools/perf/tests/attr.py b/tools/perf/tests/attr.py
index eceb6d022141..ccfef861e931 100644
--- a/tools/perf/tests/attr.py
+++ b/tools/perf/tests/attr.py
@@ -6,6 +6,7 @@ import os
import sys
import glob
import optparse
+import platform
import tempfile
import logging
import re
@@ -125,6 +126,11 @@ class Event(dict):
if not data_equal(self[t], other[t]):
log.warning("expected %s=%s, got %s" % (t, self[t], other[t]))
+def parse_version(version):
+ if not version:
+ return None
+ return [int(v) for v in version.split(".")[0:2]]
+
# Test file description needs to have following sections:
# [config]
# - just single instance in file
@@ -138,7 +144,9 @@ class Event(dict):
# negates it.
# 'auxv' - Truthy statement that is evaled in the scope of the auxv map. When false,
# the test is skipped. For example 'auxv["AT_HWCAP"] == 10'. (optional)
-#
+# 'kernel_since' - Inclusive kernel version from which the test will start running. Only the
+# first two values are supported, for example "6.1" (optional)
+# 'kernel_until' - Exclusive kernel version from which the test will stop running. (optional)
# [eventX:base]
# - one or multiple instances in file
# - expected values assignments
@@ -169,6 +177,8 @@ class Test(object):
self.arch = ''
self.auxv = parser.get('config', 'auxv', fallback=None)
+ self.kernel_since = parse_version(parser.get('config', 'kernel_since', fallback=None))
+ self.kernel_until = parse_version(parser.get('config', 'kernel_until', fallback=None))
self.expect = {}
self.result = {}
log.debug(" loading expected events");
@@ -180,6 +190,16 @@ class Test(object):
else:
return True
+ def skip_test_kernel_since(self):
+ if not self.kernel_since:
+ return False
+ return not self.kernel_since <= parse_version(platform.release())
+
+ def skip_test_kernel_until(self):
+ if not self.kernel_until:
+ return False
+ return not parse_version(platform.release()) < self.kernel_until
+
def skip_test_auxv(self):
def new_auxv(a, pattern):
items = list(filter(None, pattern.split(a)))
@@ -257,6 +277,12 @@ class Test(object):
if self.skip_test_auxv():
raise Notest(self, "auxv skip")
+ if self.skip_test_kernel_since():
+ raise Notest(self, "old kernel skip")
+
+ if self.skip_test_kernel_until():
+ raise Notest(self, "new kernel skip")
+
cmd = "PERF_TEST_ATTR=%s %s %s -o %s/perf.data %s" % (tempdir,
self.perf, self.command, tempdir, self.args)
ret = os.WEXITSTATUS(os.system(cmd))
--
2.25.1
^ permalink raw reply related [flat|nested] 8+ messages in thread* [PATCH v2 4/4] perf test arm64: Add attr tests for new VG register
2022-12-13 11:47 [PATCH v2 0/4] Add VG register attr test with kernel version and feature detection James Clark
` (2 preceding siblings ...)
2022-12-13 11:47 ` [PATCH v2 3/4] perf test: Add mechanism for skipping attr tests on kernel versions James Clark
@ 2022-12-13 11:47 ` James Clark
2022-12-13 14:51 ` [PATCH v2 0/4] Add VG register attr test with kernel version and feature detection Arnaldo Carvalho de Melo
4 siblings, 0 replies; 8+ messages in thread
From: James Clark @ 2022-12-13 11:47 UTC (permalink / raw)
To: linux-perf-users
Cc: James Clark, Peter Zijlstra, Ingo Molnar,
Arnaldo Carvalho de Melo, Mark Rutland, Alexander Shishkin,
Jiri Olsa, Namhyung Kim, linux-kernel, bpf
Ensure that the availability of the VG register behaves as expected
depending on the kernel version and SVE support.
Signed-off-by: James Clark <james.clark@arm.com>
---
.../attr/test-record-user-regs-no-sve-aarch64 | 9 +++++++++
.../attr/test-record-user-regs-old-sve-aarch64 | 10 ++++++++++
.../tests/attr/test-record-user-regs-sve-aarch64 | 14 ++++++++++++++
3 files changed, 33 insertions(+)
create mode 100644 tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64
create mode 100644 tools/perf/tests/attr/test-record-user-regs-old-sve-aarch64
create mode 100644 tools/perf/tests/attr/test-record-user-regs-sve-aarch64
diff --git a/tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64 b/tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64
new file mode 100644
index 000000000000..fbb065842880
--- /dev/null
+++ b/tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64
@@ -0,0 +1,9 @@
+# Test that asking for VG fails if the system doesn't support SVE. This
+# applies both before and after the feature was added in 6.1
+[config]
+command = record
+args = --no-bpf-event --user-regs=vg kill >/dev/null 2>&1
+ret = 129
+test_ret = true
+arch = aarch64
+auxv = auxv["AT_HWCAP"] & 0x200000 == 0
diff --git a/tools/perf/tests/attr/test-record-user-regs-old-sve-aarch64 b/tools/perf/tests/attr/test-record-user-regs-old-sve-aarch64
new file mode 100644
index 000000000000..15ebfc3418e3
--- /dev/null
+++ b/tools/perf/tests/attr/test-record-user-regs-old-sve-aarch64
@@ -0,0 +1,10 @@
+# Test that asking for VG always fails on old kernels because it was
+# added in 6.1. This applies to systems that either support or don't
+# support SVE.
+[config]
+command = record
+args = --no-bpf-event --user-regs=vg kill >/dev/null 2>&1
+ret = 129
+test_ret = true
+arch = aarch64
+kernel_until = 6.1
diff --git a/tools/perf/tests/attr/test-record-user-regs-sve-aarch64 b/tools/perf/tests/attr/test-record-user-regs-sve-aarch64
new file mode 100644
index 000000000000..c598c803221d
--- /dev/null
+++ b/tools/perf/tests/attr/test-record-user-regs-sve-aarch64
@@ -0,0 +1,14 @@
+# Test that asking for VG works if the system has SVE and after the
+# feature was added in 6.1
+[config]
+command = record
+args = --no-bpf-event --user-regs=vg kill >/dev/null 2>&1
+ret = 1
+test_ret = true
+arch = aarch64
+auxv = auxv["AT_HWCAP"] & 0x200000 == 0x200000
+kernel_since = 6.1
+
+[event:base-record]
+sample_type=4359
+sample_regs_user=70368744177664
--
2.25.1
^ permalink raw reply related [flat|nested] 8+ messages in thread* Re: [PATCH v2 0/4] Add VG register attr test with kernel version and feature detection
2022-12-13 11:47 [PATCH v2 0/4] Add VG register attr test with kernel version and feature detection James Clark
` (3 preceding siblings ...)
2022-12-13 11:47 ` [PATCH v2 4/4] perf test arm64: Add attr tests for new VG register James Clark
@ 2022-12-13 14:51 ` Arnaldo Carvalho de Melo
2022-12-13 15:30 ` James Clark
4 siblings, 1 reply; 8+ messages in thread
From: Arnaldo Carvalho de Melo @ 2022-12-13 14:51 UTC (permalink / raw)
To: James Clark
Cc: linux-perf-users, Peter Zijlstra, Ingo Molnar, Mark Rutland,
Alexander Shishkin, Jiri Olsa, Namhyung Kim, linux-kernel, bpf
Em Tue, Dec 13, 2022 at 11:47:35AM +0000, James Clark escreveu:
> I didn't get any feedback on the RFC version of this that I posted a
> while back [1]. I'd still like to add the test, especially now that
> 6.1 has been released with this new feature, so I've rebased it onto
> perf/core and double checked that it's still working.
>
> Applies to perf/core (0c3852adae83)
I'm applying this locally, would this be testable on a Firefly (roc-rk3399-pc):
acme@roc-rk3399-pc:~$ head /proc/cpuinfo
processor : 0
BogoMIPS : 48.00
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x0
CPU part : 0xd03
CPU revision : 4
processor : 1
acme@roc-rk3399-pc:~$
- Arnaldo
> Thanks
> James
>
> [1]: https://lore.kernel.org/bpf/20220927154104.869029-1-james.clark@arm.com/
>
> James Clark (4):
> perf test: Add ability to test exit code for attr tests
> perf test: Add mechanism for skipping attr tests on auxiliary vector
> values
> perf test: Add mechanism for skipping attr tests on kernel versions
> perf test arm64: Add attr tests for new VG register
>
> tools/perf/tests/attr.py | 71 +++++++++++++++++--
> .../attr/test-record-user-regs-no-sve-aarch64 | 9 +++
> .../test-record-user-regs-old-sve-aarch64 | 10 +++
> .../attr/test-record-user-regs-sve-aarch64 | 14 ++++
> 4 files changed, 99 insertions(+), 5 deletions(-)
> create mode 100644 tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64
> create mode 100644 tools/perf/tests/attr/test-record-user-regs-old-sve-aarch64
> create mode 100644 tools/perf/tests/attr/test-record-user-regs-sve-aarch64
>
> --
> 2.25.1
--
- Arnaldo
^ permalink raw reply [flat|nested] 8+ messages in thread* Re: [PATCH v2 0/4] Add VG register attr test with kernel version and feature detection
2022-12-13 14:51 ` [PATCH v2 0/4] Add VG register attr test with kernel version and feature detection Arnaldo Carvalho de Melo
@ 2022-12-13 15:30 ` James Clark
2022-12-14 14:38 ` Arnaldo Carvalho de Melo
0 siblings, 1 reply; 8+ messages in thread
From: James Clark @ 2022-12-13 15:30 UTC (permalink / raw)
To: Arnaldo Carvalho de Melo
Cc: linux-perf-users, Peter Zijlstra, Ingo Molnar, Mark Rutland,
Alexander Shishkin, Jiri Olsa, Namhyung Kim, linux-kernel, bpf
On 13/12/2022 14:51, Arnaldo Carvalho de Melo wrote:
> Em Tue, Dec 13, 2022 at 11:47:35AM +0000, James Clark escreveu:
>> I didn't get any feedback on the RFC version of this that I posted a
>> while back [1]. I'd still like to add the test, especially now that
>> 6.1 has been released with this new feature, so I've rebased it onto
>> perf/core and double checked that it's still working.
>>
>> Applies to perf/core (0c3852adae83)
>
> I'm applying this locally, would this be testable on a Firefly (roc-rk3399-pc):
Thanks Arnaldo. It doesn't look like rk3399 has SVE, so
test-record-user-regs-no-sve-aarch64 will run to check that the kernel
won't give you the new register. So I suppose the answer to the question
is partially.
For test-record-user-regs-sve-aarch64, I've been running it on a
Graviton 3 on AWS which has SVE:
ubuntu@ip-10-252-130-213:~/linux$ head /proc/cpuinfo
processor : 0
BogoMIPS : 2100.00
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp
asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp
sha512 sve asimdfhm dit uscat ilrcpc flagm ssbs paca pacg dcpodp svei8mm
svebf16 i8mm bf16 dgh rng
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x1
CPU part : 0xd40
CPU revision : 1
processor : 1
>
> acme@roc-rk3399-pc:~$ head /proc/cpuinfo
> processor : 0
> BogoMIPS : 48.00
> Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
> CPU implementer : 0x41
> CPU architecture: 8
> CPU variant : 0x0
> CPU part : 0xd03
> CPU revision : 4
>
> processor : 1
> acme@roc-rk3399-pc:~$
>
> - Arnaldo
>
>> Thanks
>> James
>>
>> [1]: https://lore.kernel.org/bpf/20220927154104.869029-1-james.clark@arm.com/
>>
>> James Clark (4):
>> perf test: Add ability to test exit code for attr tests
>> perf test: Add mechanism for skipping attr tests on auxiliary vector
>> values
>> perf test: Add mechanism for skipping attr tests on kernel versions
>> perf test arm64: Add attr tests for new VG register
>>
>> tools/perf/tests/attr.py | 71 +++++++++++++++++--
>> .../attr/test-record-user-regs-no-sve-aarch64 | 9 +++
>> .../test-record-user-regs-old-sve-aarch64 | 10 +++
>> .../attr/test-record-user-regs-sve-aarch64 | 14 ++++
>> 4 files changed, 99 insertions(+), 5 deletions(-)
>> create mode 100644 tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64
>> create mode 100644 tools/perf/tests/attr/test-record-user-regs-old-sve-aarch64
>> create mode 100644 tools/perf/tests/attr/test-record-user-regs-sve-aarch64
>>
>> --
>> 2.25.1
>
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v2 0/4] Add VG register attr test with kernel version and feature detection
2022-12-13 15:30 ` James Clark
@ 2022-12-14 14:38 ` Arnaldo Carvalho de Melo
0 siblings, 0 replies; 8+ messages in thread
From: Arnaldo Carvalho de Melo @ 2022-12-14 14:38 UTC (permalink / raw)
To: James Clark
Cc: linux-perf-users, Peter Zijlstra, Ingo Molnar, Mark Rutland,
Alexander Shishkin, Jiri Olsa, Namhyung Kim, linux-kernel, bpf
Em Tue, Dec 13, 2022 at 03:30:37PM +0000, James Clark escreveu:
>
>
> On 13/12/2022 14:51, Arnaldo Carvalho de Melo wrote:
> > Em Tue, Dec 13, 2022 at 11:47:35AM +0000, James Clark escreveu:
> >> I didn't get any feedback on the RFC version of this that I posted a
> >> while back [1]. I'd still like to add the test, especially now that
> >> 6.1 has been released with this new feature, so I've rebased it onto
> >> perf/core and double checked that it's still working.
> >>
> >> Applies to perf/core (0c3852adae83)
> >
> > I'm applying this locally, would this be testable on a Firefly (roc-rk3399-pc):
>
> Thanks Arnaldo. It doesn't look like rk3399 has SVE, so
> test-record-user-regs-no-sve-aarch64 will run to check that the kernel
> won't give you the new register. So I suppose the answer to the question
> is partially.
>
> For test-record-user-regs-sve-aarch64, I've been running it on a
> Graviton 3 on AWS which has SVE:
>
> ubuntu@ip-10-252-130-213:~/linux$ head /proc/cpuinfo
> processor : 0
> BogoMIPS : 2100.00
> Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp
> asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp
> sha512 sve asimdfhm dit uscat ilrcpc flagm ssbs paca pacg dcpodp svei8mm
> svebf16 i8mm bf16 dgh rng
> CPU implementer : 0x41
> CPU architecture: 8
> CPU variant : 0x1
> CPU part : 0xd40
> CPU revision : 1
>
> processor : 1
Indeed:
root@roc-rk3399-pc:~# perf test -v _attr
17: Setup struct perf_event_attr :
--- start ---
test child forked, pid 30139
Using CPUID 0x00000000410fd080
/home/acme/libexec/perf-core/tests/attr.py:155: DeprecationWarning: The SafeConfigParser class has been renamed to ConfigParser in Python 3.2. This alias will be removed in Python 3.12. Use ConfigParser directly instead.
parser = configparser.SafeConfigParser()
running '/home/acme/libexec/perf-core/tests/attr/test-record-C0'
/home/acme/libexec/perf-core/tests/attr.py:250: DeprecationWarning: The SafeConfigParser class has been renamed to ConfigParser in Python 3.2. This alias will be removed in Python 3.12. Use ConfigParser directly instead.
parser_event = configparser.SafeConfigParser()
/home/acme/libexec/perf-core/tests/attr.py:264: DeprecationWarning: The SafeConfigParser class has been renamed to ConfigParser in Python 3.2. This alias will be removed in Python 3.12. Use ConfigParser directly instead.
parser_base = configparser.SafeConfigParser()
running '/home/acme/libexec/perf-core/tests/attr/test-record-basic'
running '/home/acme/libexec/perf-core/tests/attr/test-record-branch-any'
unsupp '/home/acme/libexec/perf-core/tests/attr/test-record-branch-any'
running '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-any'
unsupp '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-any'
running '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-any_call'
unsupp '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-any_call'
running '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-any_ret'
unsupp '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-any_ret'
running '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-hv'
unsupp '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-hv'
running '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-ind_call'
unsupp '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-ind_call'
running '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-k'
unsupp '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-k'
running '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-u'
unsupp '/home/acme/libexec/perf-core/tests/attr/test-record-branch-filter-u'
running '/home/acme/libexec/perf-core/tests/attr/test-record-count'
running '/home/acme/libexec/perf-core/tests/attr/test-record-data'
running '/home/acme/libexec/perf-core/tests/attr/test-record-freq'
running '/home/acme/libexec/perf-core/tests/attr/test-record-graph-default'
test limitation '!aarch64'
excluded architecture list ['aarch64']
skipped [aarch64] '/home/acme/libexec/perf-core/tests/attr/test-record-graph-default'
running '/home/acme/libexec/perf-core/tests/attr/test-record-graph-default-aarch64'
test limitation 'aarch64'
running '/home/acme/libexec/perf-core/tests/attr/test-record-graph-dwarf'
running '/home/acme/libexec/perf-core/tests/attr/test-record-graph-fp'
test limitation '!aarch64'
excluded architecture list ['aarch64']
skipped [aarch64] '/home/acme/libexec/perf-core/tests/attr/test-record-graph-fp'
running '/home/acme/libexec/perf-core/tests/attr/test-record-graph-fp-aarch64'
test limitation 'aarch64'
running '/home/acme/libexec/perf-core/tests/attr/test-record-group'
running '/home/acme/libexec/perf-core/tests/attr/test-record-group-sampling'
running '/home/acme/libexec/perf-core/tests/attr/test-record-group1'
running '/home/acme/libexec/perf-core/tests/attr/test-record-group2'
running '/home/acme/libexec/perf-core/tests/attr/test-record-no-buffering'
running '/home/acme/libexec/perf-core/tests/attr/test-record-no-inherit'
running '/home/acme/libexec/perf-core/tests/attr/test-record-no-samples'
running '/home/acme/libexec/perf-core/tests/attr/test-record-period'
running '/home/acme/libexec/perf-core/tests/attr/test-record-pfm-period'
unsupp '/home/acme/libexec/perf-core/tests/attr/test-record-pfm-period'
running '/home/acme/libexec/perf-core/tests/attr/test-record-raw'
running '/home/acme/libexec/perf-core/tests/attr/test-record-spe-period'
test limitation 'aarch64'
unsupp '/home/acme/libexec/perf-core/tests/attr/test-record-spe-period'
running '/home/acme/libexec/perf-core/tests/attr/test-record-spe-period-term'
test limitation 'aarch64'
unsupp '/home/acme/libexec/perf-core/tests/attr/test-record-spe-period-term'
running '/home/acme/libexec/perf-core/tests/attr/test-record-spe-physical-address'
test limitation 'aarch64'
unsupp '/home/acme/libexec/perf-core/tests/attr/test-record-spe-physical-address'
running '/home/acme/libexec/perf-core/tests/attr/test-record-user-regs-no-sve-aarch64'
test limitation 'aarch64'
running '/home/acme/libexec/perf-core/tests/attr/test-record-user-regs-old-sve-aarch64'
test limitation 'aarch64'
skipped [new kernel skip] '/home/acme/libexec/perf-core/tests/attr/test-record-user-regs-old-sve-aarch64'
running '/home/acme/libexec/perf-core/tests/attr/test-record-user-regs-sve-aarch64'
test limitation 'aarch64'
skipped [auxv skip] '/home/acme/libexec/perf-core/tests/attr/test-record-user-regs-sve-aarch64'
running '/home/acme/libexec/perf-core/tests/attr/test-stat-C0'
running '/home/acme/libexec/perf-core/tests/attr/test-stat-basic'
running '/home/acme/libexec/perf-core/tests/attr/test-stat-default'
running '/home/acme/libexec/perf-core/tests/attr/test-stat-detailed-1'
running '/home/acme/libexec/perf-core/tests/attr/test-stat-detailed-2'
running '/home/acme/libexec/perf-core/tests/attr/test-stat-detailed-3'
running '/home/acme/libexec/perf-core/tests/attr/test-stat-group'
running '/home/acme/libexec/perf-core/tests/attr/test-stat-group1'
running '/home/acme/libexec/perf-core/tests/attr/test-stat-no-inherit'
test child finished with 0
---- end ----
Setup struct perf_event_attr: Ok
root@roc-rk3399-pc:~#
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