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Hi,</div>
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I am trying to run ltp with kernel 5.5.6 ut i found that the few tests from the memcg groups are failing i didnt understood the exact reason of failure am listing the test cases along with error log of few test</div>
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<span style="margin: 0px">1) memcg_max_usage_in_bytes<br>
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<div style="margin: 0px">2) memcg_stat<br>
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<div style="margin: 0px">3) memcg_use_hierarchy<br>
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when i am trying to run <span style="margin: 0px; background-color: rgb(255, 255, 255); display: inline !important">memcg_max_usage_in_bytes</span></div>
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<span style="margin: 0px; background-color: rgb(255, 255, 255); display: inline !important"><b>$#</b><span style="margin: 0px"><b>cmdline="memcg_usage_in_bytes_test.sh"</b><br>
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<div style="margin: 0px">contacts=""<br>
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<div style="margin: 0px">analysis=exit<br>
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<div style="margin: 0px"><<<test_output>>><br>
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<div style="margin: 0px">memcg_usage_in_bytes_test 1 TINFO: Starting test 1<br>
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<div style="margin: 0px"><b>/opt/ltp/testcases/bin/memcg_lib.sh: line 522: echo: write error: Device or resource busy<br>
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<div style="margin: 0px"><b>memcg_usage_in_bytes_test 1 TINFO: set /dev/memcg/memory.use_hierarchy to 0 failed</b><br>
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<div style="margin: 0px">memcg_usage_in_bytes_test 1 TINFO: Running memcg_process --mmap-anon -s 4194304<br>
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<div style="margin: 0px">memcg_usage_in_bytes_test 1 TINFO: Warming up pid: 98968<br>
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<div style="margin: 0px">memcg_usage_in_bytes_test 1 TINFO: Process is still here after warm up: 98968<br>
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<div style="margin: 0px">memcg_usage_in_bytes_test 1 TFAIL: memory.usage_in_bytes is 4202496, 4194304 expected<br>
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<div style="margin: 0px">memcg_usage_in_bytes_test 2 TINFO: Starting test 2<br>
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<div style="margin: 0px"><b>/opt/ltp/testcases/bin/memcg_lib.sh: line 522: echo: write error: Device or resource busy<br>
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<div style="margin: 0px"><b>memcg_usage_in_bytes_test 2 TINFO: set /dev/memcg/memory.use_hierarchy to 0 failed</b><br>
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<div style="margin: 0px">memcg_usage_in_bytes_test 2 TINFO: Running memcg_process --mmap-anon -s 4194304<br>
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<div style="margin: 0px">memcg_usage_in_bytes_test 2 TINFO: Warming up pid: 98988<br>
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<div style="margin: 0px">memcg_usage_in_bytes_test 2 TINFO: Process is still here after warm up: 98988<br>
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<div style="margin: 0px">memcg_usage_in_bytes_test 2 TFAIL: memory.memsw.usage_in_bytes is 4325376, 4194304 expected<br>
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<div style="margin: 0px"><<<execution_status>>><br>
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i would like to mention that <b>memory resource controller is not available</b> on my arch because of this can they fail ??Can you help me on this??</div>
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Thanks!</div>
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