41 lines
1.3 KiB
Go
41 lines
1.3 KiB
Go
// Copyright 2019 The gVisor Authors.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package proc
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import (
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"bytes"
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"fmt"
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"gvisor.dev/gvisor/pkg/sentry/context"
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"gvisor.dev/gvisor/pkg/sentry/vfs"
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)
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// loadavgData backs /proc/loadavg.
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//
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// +stateify savable
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type loadavgData struct{}
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var _ vfs.DynamicBytesSource = (*loadavgData)(nil)
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// Generate implements vfs.DynamicBytesSource.Generate.
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func (d *loadavgData) Generate(ctx context.Context, buf *bytes.Buffer) error {
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// TODO(b/62345059): Include real data in fields.
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// Column 1-3: CPU and IO utilization of the last 1, 5, and 10 minute periods.
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// Column 4-5: currently running processes and the total number of processes.
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// Column 6: the last process ID used.
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fmt.Fprintf(buf, "%.2f %.2f %.2f %d/%d %d\n", 0.00, 0.00, 0.00, 0, 0, 0)
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return nil
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}
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