From: "Jarkko Sakkinen" <jarkko@kernel.org>
To: "Haitao Huang" <haitao.huang@linux.intel.com>,
<dave.hansen@linux.intel.com>, <kai.huang@intel.com>,
<tj@kernel.org>, <mkoutny@suse.com>,
<linux-kernel@vger.kernel.org>, <linux-sgx@vger.kernel.org>,
<x86@kernel.org>, <cgroups@vger.kernel.org>, <tglx@linutronix.de>,
<mingo@redhat.com>, <bp@alien8.de>, <hpa@zytor.com>,
<sohil.mehta@intel.com>, <tim.c.chen@linux.intel.com>
Cc: <zhiquan1.li@intel.com>, <kristen@linux.intel.com>,
<seanjc@google.com>, <zhanb@microsoft.com>,
<anakrish@microsoft.com>, <mikko.ylinen@linux.intel.com>,
<yangjie@microsoft.com>, <chrisyan@microsoft.com>
Subject: Re: [PATCH v13 14/14] selftests/sgx: Add scripts for EPC cgroup testing
Date: Fri, 03 May 2024 04:44:57 +0300 [thread overview]
Message-ID: <D0ZMO1P1SE1I.3BP2LLE1Q0IJA@kernel.org> (raw)
In-Reply-To: <20240430195108.5676-15-haitao.huang@linux.intel.com>
On Tue Apr 30, 2024 at 10:51 PM EEST, Haitao Huang wrote:
> With different cgroups, the script starts one or multiple concurrent SGX
> selftests (test_sgx), each to run the unclobbered_vdso_oversubscribed
> test case, which loads an enclave of EPC size equal to the EPC capacity
> available on the platform. The script checks results against the
> expectation set for each cgroup and reports success or failure.
>
> The script creates 3 different cgroups at the beginning with following
> expectations:
>
> 1) small - intentionally small enough to fail the test loading an
> enclave of size equal to the capacity.
> 2) large - large enough to run up to 4 concurrent tests but fail some if
> more than 4 concurrent tests are run. The script starts 4 expecting at
> least one test to pass, and then starts 5 expecting at least one test
> to fail.
> 3) larger - limit is the same as the capacity, large enough to run lots of
> concurrent tests. The script starts 8 of them and expects all pass.
> Then it reruns the same test with one process randomly killed and
> usage checked to be zero after all processes exit.
>
> The script also includes a test with low mem_cg limit and large sgx_epc
> limit to verify that the RAM used for per-cgroup reclamation is charged
> to a proper mem_cg. For this test, it turns off swapping before start,
> and turns swapping back on afterwards.
>
> Add README to document how to run the tests.
>
> Signed-off-by: Haitao Huang <haitao.huang@linux.intel.com>
Here's the transcript:
make: Entering directory '/home/jarkko/linux-tpmdd/tools/testing/selftests/sgx'
gcc -Wall -Werror -g -I/home/jarkko/linux-tpmdd/tools/testing/selftests/../../../tools/include -fPIC -c main.c -o /home/jarkko/linux-tpmdd/tools/testing/selftests/sgx/main.o
gcc -Wall -Werror -g -I/home/jarkko/linux-tpmdd/tools/testing/selftests/../../../tools/include -fPIC -c load.c -o /home/jarkko/linux-tpmdd/tools/testing/selftests/sgx/load.o
gcc -Wall -Werror -g -I/home/jarkko/linux-tpmdd/tools/testing/selftests/../../../tools/include -fPIC -c sigstruct.c -o /home/jarkko/linux-tpmdd/tools/testing/selftests/sgx/sigstruct.o
gcc -Wall -Werror -g -I/home/jarkko/linux-tpmdd/tools/testing/selftests/../../../tools/include -fPIC -c call.S -o /home/jarkko/linux-tpmdd/tools/testing/selftests/sgx/call.o
gcc -Wall -Werror -g -I/home/jarkko/linux-tpmdd/tools/testing/selftests/../../../tools/include -fPIC -c sign_key.S -o /home/jarkko/linux-tpmdd/tools/testing/selftests/sgx/sign_key.o
gcc -Wall -Werror -g -I/home/jarkko/linux-tpmdd/tools/testing/selftests/../../../tools/include -fPIC -o /home/jarkko/linux-tpmdd/tools/testing/selftests/sgx/test_sgx /home/jarkko/linux-tpmdd/tools/testing/selftests/sgx/main.o /home/jarkko/linux-tpmdd/tools/testing/selftests/sgx/load.o /home/jarkko/linux-tpmdd/tools/testing/selftests/sgx/sigstruct.o /home/jarkko/linux-tpmdd/tools/testing/selftests/sgx/call.o /home/jarkko/linux-tpmdd/tools/testing/selftests/sgx/sign_key.o -z noexecstack -lcrypto
gcc -Wall -Werror -static-pie -nostdlib -ffreestanding -fPIE -fno-stack-protector -mrdrnd -I/home/jarkko/linux-tpmdd/tools/testing/selftests/../../../tools/include test_encl.c test_encl_bootstrap.S -o /home/jarkko/linux-tpmdd/tools/testing/selftests/sgx/test_encl.elf -Wl,-T,test_encl.lds,--build-id=none
/usr/lib64/gcc/x86_64-suse-linux/13/../../../../x86_64-suse-linux/bin/ld: warning: /tmp/ccToNCLw.o: missing .note.GNU-stack section implies executable stack
/usr/lib64/gcc/x86_64-suse-linux/13/../../../../x86_64-suse-linux/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
TAP version 13
1..2
# timeout set to 120
# selftests: sgx: test_sgx
# TAP version 13
# 1..16
# # Starting 16 tests from 1 test cases.
# # RUN enclave.unclobbered_vdso ...
# # OK enclave.unclobbered_vdso
# ok 1 enclave.unclobbered_vdso
# # RUN enclave.unclobbered_vdso_oversubscribed ...
# # OK enclave.unclobbered_vdso_oversubscribed
# ok 2 enclave.unclobbered_vdso_oversubscribed
# # RUN enclave.unclobbered_vdso_oversubscribed_remove ...
# # main.c:402:unclobbered_vdso_oversubscribed_remove:Creating an enclave with 98566144 bytes heap may take a while ...
# # main.c:457:unclobbered_vdso_oversubscribed_remove:Changing type of 98566144 bytes to trimmed may take a while ...
# # main.c:473:unclobbered_vdso_oversubscribed_remove:Entering enclave to run EACCEPT for each page of 98566144 bytes may take a while ...
# # main.c:494:unclobbered_vdso_oversubscribed_remove:Removing 98566144 bytes from enclave may take a while ...
# # OK enclave.unclobbered_vdso_oversubscribed_remove
# ok 3 enclave.unclobbered_vdso_oversubscribed_remove
# # RUN enclave.clobbered_vdso ...
# # OK enclave.clobbered_vdso
# ok 4 enclave.clobbered_vdso
# # RUN enclave.clobbered_vdso_and_user_function ...
# # OK enclave.clobbered_vdso_and_user_function
# ok 5 enclave.clobbered_vdso_and_user_function
# # RUN enclave.tcs_entry ...
# # OK enclave.tcs_entry
# ok 6 enclave.tcs_entry
# # RUN enclave.pte_permissions ...
# # OK enclave.pte_permissions
# ok 7 enclave.pte_permissions
# # RUN enclave.tcs_permissions ...
# # OK enclave.tcs_permissions
# ok 8 enclave.tcs_permissions
# # RUN enclave.epcm_permissions ...
# # OK enclave.epcm_permissions
# ok 9 enclave.epcm_permissions
# # RUN enclave.augment ...
# # OK enclave.augment
# ok 10 enclave.augment
# # RUN enclave.augment_via_eaccept ...
# # OK enclave.augment_via_eaccept
# ok 11 enclave.augment_via_eaccept
# # RUN enclave.tcs_create ...
# # OK enclave.tcs_create
# ok 12 enclave.tcs_create
# # RUN enclave.remove_added_page_no_eaccept ...
# # OK enclave.remove_added_page_no_eaccept
# ok 13 enclave.remove_added_page_no_eaccept
# # RUN enclave.remove_added_page_invalid_access ...
# # OK enclave.remove_added_page_invalid_access
# ok 14 enclave.remove_added_page_invalid_access
# # RUN enclave.remove_added_page_invalid_access_after_eaccept ...
# # OK enclave.remove_added_page_invalid_access_after_eaccept
# ok 15 enclave.remove_added_page_invalid_access_after_eaccept
# # RUN enclave.remove_untouched_page ...
# # OK enclave.remove_untouched_page
# ok 16 enclave.remove_untouched_page
# # PASSED: 16 / 16 tests passed.
# # Totals: pass:16 fail:0 xfail:0 xpass:0 skip:0 error:0
ok 1 selftests: sgx: test_sgx
# timeout set to 120
# selftests: sgx: run_epc_cg_selftests.sh
# # Setting up SGX cgroup limits.
# ./run_epc_cg_selftests.sh: line 129: echo: write error: Invalid argument
# # Failed setting up misc limits for sgx_epc.
# SKIP: Kernel does not support SGX cgroup.
ok 2 selftests: sgx: run_epc_cg_selftests.sh # SKIP
make: Leaving directory '/home/jarkko/linux-tpmdd/tools/testing/selftests/sgx'
jarkko@mustatorvisieni:~/linux-tpmdd> zcat /proc/config.gz | grep GROUP_MISC
CONFIG_CGROUP_MISC=y
BR, Jarkko
prev parent reply other threads:[~2024-05-03 1:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-30 19:50 [PATCH v13 00/14] Add Cgroup support for SGX EPC memory Haitao Huang
2024-04-30 19:50 ` [PATCH v13 01/14] x86/sgx: Replace boolean parameters with enums Haitao Huang
2024-04-30 19:50 ` [PATCH v13 02/14] cgroup/misc: Add per resource callbacks for CSS events Haitao Huang
2024-04-30 19:50 ` [PATCH v13 03/14] cgroup/misc: Export APIs for SGX driver Haitao Huang
2024-04-30 19:50 ` [PATCH v13 04/14] cgroup/misc: Add SGX EPC resource type Haitao Huang
2024-04-30 19:50 ` [PATCH v13 05/14] x86/sgx: Implement basic EPC misc cgroup functionality Haitao Huang
2024-04-30 19:51 ` [PATCH v13 06/14] x86/sgx: Add sgx_epc_lru_list to encapsulate LRU list Haitao Huang
2024-04-30 19:51 ` [PATCH v13 07/14] x86/sgx: Abstract tracking reclaimable pages in LRU Haitao Huang
2024-04-30 19:51 ` [PATCH v13 08/14] x86/sgx: Add basic EPC reclamation flow for cgroup Haitao Huang
2024-04-30 19:51 ` [PATCH v13 09/14] x86/sgx: Implement async reclamation " Haitao Huang
2024-04-30 19:51 ` [PATCH v13 10/14] x86/sgx: Charge mem_cgroup for per-cgroup reclamation Haitao Huang
2024-04-30 19:51 ` [PATCH v13 11/14] x86/sgx: Abstract check for global reclaimable pages Haitao Huang
2024-05-02 23:23 ` Huang, Kai
2024-05-06 18:00 ` Haitao Huang
2024-04-30 19:51 ` [PATCH v13 12/14] x86/sgx: Turn on per-cgroup EPC reclamation Haitao Huang
2024-05-07 0:10 ` Huang, Kai
2024-05-07 3:21 ` Haitao Huang
2024-04-30 19:51 ` [PATCH v13 13/14] Docs/x86/sgx: Add description for cgroup support Haitao Huang
2024-04-30 19:51 ` [PATCH v13 14/14] selftests/sgx: Add scripts for EPC cgroup testing Haitao Huang
2024-05-03 1:44 ` Jarkko Sakkinen [this message]
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