Running the density tool will report Pss and Rss total and per container
values for shim memory usage. Values are reported in KB.
```bash
containerd-stress density --count 500
INFO[0000] pulling docker.io/library/alpine:latest
INFO[0000] generating spec from image
{"pss":421188,"rss":2439688,"pssPerContainer":842,"rssPerContainer":4879}
```
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
		
	
		
			
				
	
	
		
			41 lines
		
	
	
		
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			41 lines
		
	
	
		
			1006 B
		
	
	
	
		
			Go
		
	
	
	
	
	
// +build !windows
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/*
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   Copyright The containerd Authors.
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   Licensed under the Apache License, Version 2.0 (the "License");
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   you may not use this file except in compliance with the License.
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   You may obtain a copy of the License at
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       http://www.apache.org/licenses/LICENSE-2.0
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   Unless required by applicable law or agreed to in writing, software
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   distributed under the License is distributed on an "AS IS" BASIS,
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   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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   See the License for the specific language governing permissions and
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   limitations under the License.
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*/
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package main
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import (
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	"syscall"
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)
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func setRlimit() error {
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	rlimit := uint64(100000)
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	if rlimit > 0 {
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		var limit syscall.Rlimit
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		if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &limit); err != nil {
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			return err
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		}
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		if limit.Cur < rlimit {
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			limit.Cur = rlimit
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			if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, &limit); err != nil {
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				return err
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			}
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		}
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	}
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	return nil
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}
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