Fixes: https://github.com/prometheus/node_exporter/issues/1721 Signed-off-by: Ben Kochie <superq@gmail.com>pull/1751/head
Ben Kochie
6 years ago
parent
7bc8d97653
commit
c36fe9ae4a
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// Copyright 2020 The Prometheus 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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//
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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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// +build linux
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package procfs |
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var parseCPUInfo = parseCPUInfoARM |
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// Copyright 2020 The Prometheus 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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//
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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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// +build linux
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// +build arm64
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package procfs |
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var parseCPUInfo = parseCPUInfoARM |
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@ -0,0 +1,19 @@ |
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// Copyright 2020 The Prometheus 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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//
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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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// +build linux
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// +build 386 amd64
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package procfs |
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var parseCPUInfo = parseCPUInfoX86 |
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@ -0,0 +1,18 @@ |
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// Copyright 2020 The Prometheus 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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//
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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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// +build linux
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package procfs |
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var parseCPUInfo = parseCPUInfoMips |
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@ -0,0 +1,18 @@ |
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// Copyright 2020 The Prometheus 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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//
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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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// +build linux
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package procfs |
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var parseCPUInfo = parseCPUInfoMips |
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@ -0,0 +1,18 @@ |
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// Copyright 2020 The Prometheus 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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//
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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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// +build linux
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package procfs |
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var parseCPUInfo = parseCPUInfoMips |
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@ -0,0 +1,18 @@ |
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// Copyright 2020 The Prometheus 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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//
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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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// +build linux
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package procfs |
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var parseCPUInfo = parseCPUInfoMips |
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@ -0,0 +1,18 @@ |
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// Copyright 2020 The Prometheus 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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//
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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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// +build linux
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package procfs |
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var parseCPUInfo = parseCPUInfoPPC |
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@ -0,0 +1,18 @@ |
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// Copyright 2020 The Prometheus 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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//
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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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// +build linux
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package procfs |
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var parseCPUInfo = parseCPUInfoPPC |
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// Copyright 2020 The Prometheus 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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//
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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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// +build linux
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package procfs |
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var parseCPUInfo = parseCPUInfoS390X |
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// Copyright 2019 The Prometheus 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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//
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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 procfs |
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import ( |
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"bufio" |
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"bytes" |
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"fmt" |
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"io" |
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"strconv" |
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"strings" |
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"github.com/prometheus/procfs/internal/util" |
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) |
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// Fscacheinfo represents fscache statistics.
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type Fscacheinfo struct { |
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// Number of index cookies allocated
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IndexCookiesAllocated uint64 |
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// data storage cookies allocated
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DataStorageCookiesAllocated uint64 |
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// Number of special cookies allocated
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SpecialCookiesAllocated uint64 |
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// Number of objects allocated
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ObjectsAllocated uint64 |
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// Number of object allocation failures
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ObjectAllocationsFailure uint64 |
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// Number of objects that reached the available state
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ObjectsAvailable uint64 |
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// Number of objects that reached the dead state
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ObjectsDead uint64 |
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// Number of objects that didn't have a coherency check
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ObjectsWithoutCoherencyCheck uint64 |
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// Number of objects that passed a coherency check
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ObjectsWithCoherencyCheck uint64 |
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// Number of objects that needed a coherency data update
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ObjectsNeedCoherencyCheckUpdate uint64 |
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// Number of objects that were declared obsolete
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ObjectsDeclaredObsolete uint64 |
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// Number of pages marked as being cached
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PagesMarkedAsBeingCached uint64 |
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// Number of uncache page requests seen
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UncachePagesRequestSeen uint64 |
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// Number of acquire cookie requests seen
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AcquireCookiesRequestSeen uint64 |
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// Number of acq reqs given a NULL parent
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AcquireRequestsWithNullParent uint64 |
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// Number of acq reqs rejected due to no cache available
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AcquireRequestsRejectedNoCacheAvailable uint64 |
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// Number of acq reqs succeeded
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AcquireRequestsSucceeded uint64 |
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// Number of acq reqs rejected due to error
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AcquireRequestsRejectedDueToError uint64 |
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// Number of acq reqs failed on ENOMEM
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AcquireRequestsFailedDueToEnomem uint64 |
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// Number of lookup calls made on cache backends
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LookupsNumber uint64 |
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// Number of negative lookups made
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LookupsNegative uint64 |
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// Number of positive lookups made
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LookupsPositive uint64 |
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// Number of objects created by lookup
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ObjectsCreatedByLookup uint64 |
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// Number of lookups timed out and requeued
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LookupsTimedOutAndRequed uint64 |
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InvalidationsNumber uint64 |
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InvalidationsRunning uint64 |
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// Number of update cookie requests seen
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UpdateCookieRequestSeen uint64 |
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// Number of upd reqs given a NULL parent
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UpdateRequestsWithNullParent uint64 |
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// Number of upd reqs granted CPU time
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UpdateRequestsRunning uint64 |
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// Number of relinquish cookie requests seen
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RelinquishCookiesRequestSeen uint64 |
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// Number of rlq reqs given a NULL parent
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RelinquishCookiesWithNullParent uint64 |
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// Number of rlq reqs waited on completion of creation
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RelinquishRequestsWaitingCompleteCreation uint64 |
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// Relinqs rtr
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RelinquishRetries uint64 |
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// Number of attribute changed requests seen
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AttributeChangedRequestsSeen uint64 |
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// Number of attr changed requests queued
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AttributeChangedRequestsQueued uint64 |
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// Number of attr changed rejected -ENOBUFS
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AttributeChangedRejectDueToEnobufs uint64 |
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// Number of attr changed failed -ENOMEM
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AttributeChangedFailedDueToEnomem uint64 |
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// Number of attr changed ops given CPU time
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AttributeChangedOps uint64 |
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// Number of allocation requests seen
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AllocationRequestsSeen uint64 |
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// Number of successful alloc reqs
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AllocationOkRequests uint64 |
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// Number of alloc reqs that waited on lookup completion
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AllocationWaitingOnLookup uint64 |
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// Number of alloc reqs rejected -ENOBUFS
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AllocationsRejectedDueToEnobufs uint64 |
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// Number of alloc reqs aborted -ERESTARTSYS
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AllocationsAbortedDueToErestartsys uint64 |
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// Number of alloc reqs submitted
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AllocationOperationsSubmitted uint64 |
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// Number of alloc reqs waited for CPU time
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AllocationsWaitedForCPU uint64 |
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// Number of alloc reqs aborted due to object death
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AllocationsAbortedDueToObjectDeath uint64 |
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// Number of retrieval (read) requests seen
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RetrievalsReadRequests uint64 |
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// Number of successful retr reqs
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RetrievalsOk uint64 |
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// Number of retr reqs that waited on lookup completion
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RetrievalsWaitingLookupCompletion uint64 |
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// Number of retr reqs returned -ENODATA
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RetrievalsReturnedEnodata uint64 |
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// Number of retr reqs rejected -ENOBUFS
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RetrievalsRejectedDueToEnobufs uint64 |
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// Number of retr reqs aborted -ERESTARTSYS
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RetrievalsAbortedDueToErestartsys uint64 |
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// Number of retr reqs failed -ENOMEM
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RetrievalsFailedDueToEnomem uint64 |
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// Number of retr reqs submitted
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RetrievalsRequests uint64 |
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// Number of retr reqs waited for CPU time
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RetrievalsWaitingCPU uint64 |
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// Number of retr reqs aborted due to object death
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RetrievalsAbortedDueToObjectDeath uint64 |
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// Number of storage (write) requests seen
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StoreWriteRequests uint64 |
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// Number of successful store reqs
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StoreSuccessfulRequests uint64 |
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// Number of store reqs on a page already pending storage
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StoreRequestsOnPendingStorage uint64 |
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// Number of store reqs rejected -ENOBUFS
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StoreRequestsRejectedDueToEnobufs uint64 |
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// Number of store reqs failed -ENOMEM
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StoreRequestsFailedDueToEnomem uint64 |
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// Number of store reqs submitted
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StoreRequestsSubmitted uint64 |
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// Number of store reqs granted CPU time
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StoreRequestsRunning uint64 |
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// Number of pages given store req processing time
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StorePagesWithRequestsProcessing uint64 |
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// Number of store reqs deleted from tracking tree
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StoreRequestsDeleted uint64 |
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// Number of store reqs over store limit
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StoreRequestsOverStoreLimit uint64 |
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// Number of release reqs against pages with no pending store
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ReleaseRequestsAgainstPagesWithNoPendingStorage uint64 |
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// Number of release reqs against pages stored by time lock granted
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ReleaseRequestsAgainstPagesStoredByTimeLockGranted uint64 |
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// Number of release reqs ignored due to in-progress store
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ReleaseRequestsIgnoredDueToInProgressStore uint64 |
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// Number of page stores cancelled due to release req
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PageStoresCancelledByReleaseRequests uint64 |
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VmscanWaiting uint64 |
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// Number of times async ops added to pending queues
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OpsPending uint64 |
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// Number of times async ops given CPU time
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OpsRunning uint64 |
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// Number of times async ops queued for processing
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OpsEnqueued uint64 |
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// Number of async ops cancelled
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OpsCancelled uint64 |
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// Number of async ops rejected due to object lookup/create failure
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OpsRejected uint64 |
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// Number of async ops initialised
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OpsInitialised uint64 |
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// Number of async ops queued for deferred release
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OpsDeferred uint64 |
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// Number of async ops released (should equal ini=N when idle)
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OpsReleased uint64 |
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// Number of deferred-release async ops garbage collected
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OpsGarbageCollected uint64 |
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// Number of in-progress alloc_object() cache ops
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CacheopAllocationsinProgress uint64 |
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// Number of in-progress lookup_object() cache ops
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CacheopLookupObjectInProgress uint64 |
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// Number of in-progress lookup_complete() cache ops
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CacheopLookupCompleteInPorgress uint64 |
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// Number of in-progress grab_object() cache ops
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CacheopGrabObjectInProgress uint64 |
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CacheopInvalidations uint64 |
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// Number of in-progress update_object() cache ops
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CacheopUpdateObjectInProgress uint64 |
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// Number of in-progress drop_object() cache ops
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CacheopDropObjectInProgress uint64 |
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// Number of in-progress put_object() cache ops
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CacheopPutObjectInProgress uint64 |
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// Number of in-progress attr_changed() cache ops
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CacheopAttributeChangeInProgress uint64 |
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// Number of in-progress sync_cache() cache ops
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CacheopSyncCacheInProgress uint64 |
||||||
|
// Number of in-progress read_or_alloc_page() cache ops
|
||||||
|
CacheopReadOrAllocPageInProgress uint64 |
||||||
|
// Number of in-progress read_or_alloc_pages() cache ops
|
||||||
|
CacheopReadOrAllocPagesInProgress uint64 |
||||||
|
// Number of in-progress allocate_page() cache ops
|
||||||
|
CacheopAllocatePageInProgress uint64 |
||||||
|
// Number of in-progress allocate_pages() cache ops
|
||||||
|
CacheopAllocatePagesInProgress uint64 |
||||||
|
// Number of in-progress write_page() cache ops
|
||||||
|
CacheopWritePagesInProgress uint64 |
||||||
|
// Number of in-progress uncache_page() cache ops
|
||||||
|
CacheopUncachePagesInProgress uint64 |
||||||
|
// Number of in-progress dissociate_pages() cache ops
|
||||||
|
CacheopDissociatePagesInProgress uint64 |
||||||
|
// Number of object lookups/creations rejected due to lack of space
|
||||||
|
CacheevLookupsAndCreationsRejectedLackSpace uint64 |
||||||
|
// Number of stale objects deleted
|
||||||
|
CacheevStaleObjectsDeleted uint64 |
||||||
|
// Number of objects retired when relinquished
|
||||||
|
CacheevRetiredWhenReliquished uint64 |
||||||
|
// Number of objects culled
|
||||||
|
CacheevObjectsCulled uint64 |
||||||
|
} |
||||||
|
|
||||||
|
// Fscacheinfo returns information about current fscache statistics.
|
||||||
|
// See https://www.kernel.org/doc/Documentation/filesystems/caching/fscache.txt
|
||||||
|
func (fs FS) Fscacheinfo() (Fscacheinfo, error) { |
||||||
|
b, err := util.ReadFileNoStat(fs.proc.Path("fs/fscache/stats")) |
||||||
|
if err != nil { |
||||||
|
return Fscacheinfo{}, err |
||||||
|
} |
||||||
|
|
||||||
|
m, err := parseFscacheinfo(bytes.NewReader(b)) |
||||||
|
if err != nil { |
||||||
|
return Fscacheinfo{}, fmt.Errorf("failed to parse Fscacheinfo: %v", err) |
||||||
|
} |
||||||
|
|
||||||
|
return *m, nil |
||||||
|
} |
||||||
|
|
||||||
|
func setFSCacheFields(fields []string, setFields ...*uint64) error { |
||||||
|
var err error |
||||||
|
if len(fields) < len(setFields) { |
||||||
|
return fmt.Errorf("Insufficient number of fields, expected %v, got %v", len(setFields), len(fields)) |
||||||
|
} |
||||||
|
|
||||||
|
for i := range setFields { |
||||||
|
*setFields[i], err = strconv.ParseUint(strings.Split(fields[i], "=")[1], 0, 64) |
||||||
|
if err != nil { |
||||||
|
return err |
||||||
|
} |
||||||
|
} |
||||||
|
return nil |
||||||
|
} |
||||||
|
|
||||||
|
func parseFscacheinfo(r io.Reader) (*Fscacheinfo, error) { |
||||||
|
var m Fscacheinfo |
||||||
|
s := bufio.NewScanner(r) |
||||||
|
for s.Scan() { |
||||||
|
fields := strings.Fields(s.Text()) |
||||||
|
if len(fields) < 2 { |
||||||
|
return nil, fmt.Errorf("malformed Fscacheinfo line: %q", s.Text()) |
||||||
|
} |
||||||
|
|
||||||
|
switch fields[0] { |
||||||
|
case "Cookies:": |
||||||
|
err := setFSCacheFields(fields[1:], &m.IndexCookiesAllocated, &m.DataStorageCookiesAllocated, |
||||||
|
&m.SpecialCookiesAllocated) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
case "Objects:": |
||||||
|
err := setFSCacheFields(fields[1:], &m.ObjectsAllocated, &m.ObjectAllocationsFailure, |
||||||
|
&m.ObjectsAvailable, &m.ObjectsDead) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
case "ChkAux": |
||||||
|
err := setFSCacheFields(fields[2:], &m.ObjectsWithoutCoherencyCheck, &m.ObjectsWithCoherencyCheck, |
||||||
|
&m.ObjectsNeedCoherencyCheckUpdate, &m.ObjectsDeclaredObsolete) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
case "Pages": |
||||||
|
err := setFSCacheFields(fields[2:], &m.PagesMarkedAsBeingCached, &m.UncachePagesRequestSeen) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
case "Acquire:": |
||||||
|
err := setFSCacheFields(fields[1:], &m.AcquireCookiesRequestSeen, &m.AcquireRequestsWithNullParent, |
||||||
|
&m.AcquireRequestsRejectedNoCacheAvailable, &m.AcquireRequestsSucceeded, &m.AcquireRequestsRejectedDueToError, |
||||||
|
&m.AcquireRequestsFailedDueToEnomem) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
case "Lookups:": |
||||||
|
err := setFSCacheFields(fields[1:], &m.LookupsNumber, &m.LookupsNegative, &m.LookupsPositive, |
||||||
|
&m.ObjectsCreatedByLookup, &m.LookupsTimedOutAndRequed) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
case "Invals": |
||||||
|
err := setFSCacheFields(fields[2:], &m.InvalidationsNumber, &m.InvalidationsRunning) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
case "Updates:": |
||||||
|
err := setFSCacheFields(fields[1:], &m.UpdateCookieRequestSeen, &m.UpdateRequestsWithNullParent, |
||||||
|
&m.UpdateRequestsRunning) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
case "Relinqs:": |
||||||
|
err := setFSCacheFields(fields[1:], &m.RelinquishCookiesRequestSeen, &m.RelinquishCookiesWithNullParent, |
||||||
|
&m.RelinquishRequestsWaitingCompleteCreation, &m.RelinquishRetries) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
case "AttrChg:": |
||||||
|
err := setFSCacheFields(fields[1:], &m.AttributeChangedRequestsSeen, &m.AttributeChangedRequestsQueued, |
||||||
|
&m.AttributeChangedRejectDueToEnobufs, &m.AttributeChangedFailedDueToEnomem, &m.AttributeChangedOps) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
case "Allocs": |
||||||
|
if strings.Split(fields[2], "=")[0] == "n" { |
||||||
|
err := setFSCacheFields(fields[2:], &m.AllocationRequestsSeen, &m.AllocationOkRequests, |
||||||
|
&m.AllocationWaitingOnLookup, &m.AllocationsRejectedDueToEnobufs, &m.AllocationsAbortedDueToErestartsys) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
} else { |
||||||
|
err := setFSCacheFields(fields[2:], &m.AllocationOperationsSubmitted, &m.AllocationsWaitedForCPU, |
||||||
|
&m.AllocationsAbortedDueToObjectDeath) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
} |
||||||
|
case "Retrvls:": |
||||||
|
if strings.Split(fields[1], "=")[0] == "n" { |
||||||
|
err := setFSCacheFields(fields[1:], &m.RetrievalsReadRequests, &m.RetrievalsOk, &m.RetrievalsWaitingLookupCompletion, |
||||||
|
&m.RetrievalsReturnedEnodata, &m.RetrievalsRejectedDueToEnobufs, &m.RetrievalsAbortedDueToErestartsys, |
||||||
|
&m.RetrievalsFailedDueToEnomem) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
} else { |
||||||
|
err := setFSCacheFields(fields[1:], &m.RetrievalsRequests, &m.RetrievalsWaitingCPU, &m.RetrievalsAbortedDueToObjectDeath) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
} |
||||||
|
case "Stores": |
||||||
|
if strings.Split(fields[2], "=")[0] == "n" { |
||||||
|
err := setFSCacheFields(fields[2:], &m.StoreWriteRequests, &m.StoreSuccessfulRequests, |
||||||
|
&m.StoreRequestsOnPendingStorage, &m.StoreRequestsRejectedDueToEnobufs, &m.StoreRequestsFailedDueToEnomem) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
} else { |
||||||
|
err := setFSCacheFields(fields[2:], &m.StoreRequestsSubmitted, &m.StoreRequestsRunning, |
||||||
|
&m.StorePagesWithRequestsProcessing, &m.StoreRequestsDeleted, &m.StoreRequestsOverStoreLimit) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
} |
||||||
|
case "VmScan": |
||||||
|
err := setFSCacheFields(fields[2:], &m.ReleaseRequestsAgainstPagesWithNoPendingStorage, |
||||||
|
&m.ReleaseRequestsAgainstPagesStoredByTimeLockGranted, &m.ReleaseRequestsIgnoredDueToInProgressStore, |
||||||
|
&m.PageStoresCancelledByReleaseRequests, &m.VmscanWaiting) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
case "Ops": |
||||||
|
if strings.Split(fields[2], "=")[0] == "pend" { |
||||||
|
err := setFSCacheFields(fields[2:], &m.OpsPending, &m.OpsRunning, &m.OpsEnqueued, &m.OpsCancelled, &m.OpsRejected) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
} else { |
||||||
|
err := setFSCacheFields(fields[2:], &m.OpsInitialised, &m.OpsDeferred, &m.OpsReleased, &m.OpsGarbageCollected) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
} |
||||||
|
case "CacheOp:": |
||||||
|
if strings.Split(fields[1], "=")[0] == "alo" { |
||||||
|
err := setFSCacheFields(fields[1:], &m.CacheopAllocationsinProgress, &m.CacheopLookupObjectInProgress, |
||||||
|
&m.CacheopLookupCompleteInPorgress, &m.CacheopGrabObjectInProgress) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
} else if strings.Split(fields[1], "=")[0] == "inv" { |
||||||
|
err := setFSCacheFields(fields[1:], &m.CacheopInvalidations, &m.CacheopUpdateObjectInProgress, |
||||||
|
&m.CacheopDropObjectInProgress, &m.CacheopPutObjectInProgress, &m.CacheopAttributeChangeInProgress, |
||||||
|
&m.CacheopSyncCacheInProgress) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
} else { |
||||||
|
err := setFSCacheFields(fields[1:], &m.CacheopReadOrAllocPageInProgress, &m.CacheopReadOrAllocPagesInProgress, |
||||||
|
&m.CacheopAllocatePageInProgress, &m.CacheopAllocatePagesInProgress, &m.CacheopWritePagesInProgress, |
||||||
|
&m.CacheopUncachePagesInProgress, &m.CacheopDissociatePagesInProgress) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
} |
||||||
|
case "CacheEv:": |
||||||
|
err := setFSCacheFields(fields[1:], &m.CacheevLookupsAndCreationsRejectedLackSpace, &m.CacheevStaleObjectsDeleted, |
||||||
|
&m.CacheevRetiredWhenReliquished, &m.CacheevObjectsCulled) |
||||||
|
if err != nil { |
||||||
|
return &m, err |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
return &m, nil |
||||||
|
} |
||||||
@ -0,0 +1,62 @@ |
|||||||
|
// Copyright 2020 The Prometheus Authors
|
||||||
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
// you may not use this file except in compliance with the License.
|
||||||
|
// You may obtain a copy of the License at
|
||||||
|
//
|
||||||
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
//
|
||||||
|
// Unless required by applicable law or agreed to in writing, software
|
||||||
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
// See the License for the specific language governing permissions and
|
||||||
|
// limitations under the License.
|
||||||
|
|
||||||
|
// +build !windows
|
||||||
|
|
||||||
|
package procfs |
||||||
|
|
||||||
|
import ( |
||||||
|
"os" |
||||||
|
|
||||||
|
"github.com/prometheus/procfs/internal/util" |
||||||
|
) |
||||||
|
|
||||||
|
// KernelRandom contains information about to the kernel's random number generator.
|
||||||
|
type KernelRandom struct { |
||||||
|
// EntropyAvaliable gives the available entropy, in bits.
|
||||||
|
EntropyAvaliable *uint64 |
||||||
|
// PoolSize gives the size of the entropy pool, in bytes.
|
||||||
|
PoolSize *uint64 |
||||||
|
// URandomMinReseedSeconds is the number of seconds after which the DRNG will be reseeded.
|
||||||
|
URandomMinReseedSeconds *uint64 |
||||||
|
// WriteWakeupThreshold the number of bits of entropy below which we wake up processes
|
||||||
|
// that do a select(2) or poll(2) for write access to /dev/random.
|
||||||
|
WriteWakeupThreshold *uint64 |
||||||
|
// ReadWakeupThreshold is the number of bits of entropy required for waking up processes that sleep
|
||||||
|
// waiting for entropy from /dev/random.
|
||||||
|
ReadWakeupThreshold *uint64 |
||||||
|
} |
||||||
|
|
||||||
|
// KernelRandom returns values from /proc/sys/kernel/random.
|
||||||
|
func (fs FS) KernelRandom() (KernelRandom, error) { |
||||||
|
random := KernelRandom{} |
||||||
|
|
||||||
|
for file, p := range map[string]**uint64{ |
||||||
|
"entropy_avail": &random.EntropyAvaliable, |
||||||
|
"poolsize": &random.PoolSize, |
||||||
|
"urandom_min_reseed_secs": &random.URandomMinReseedSeconds, |
||||||
|
"write_wakeup_threshold": &random.WriteWakeupThreshold, |
||||||
|
"read_wakeup_threshold": &random.ReadWakeupThreshold, |
||||||
|
} { |
||||||
|
val, err := util.ReadUintFromFile(fs.proc.Path("sys", "kernel", "random", file)) |
||||||
|
if os.IsNotExist(err) { |
||||||
|
continue |
||||||
|
} |
||||||
|
if err != nil { |
||||||
|
return random, err |
||||||
|
} |
||||||
|
*p = &val |
||||||
|
} |
||||||
|
|
||||||
|
return random, nil |
||||||
|
} |
||||||
@ -0,0 +1,98 @@ |
|||||||
|
// Copyright 2020 The Prometheus Authors
|
||||||
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
// you may not use this file except in compliance with the License.
|
||||||
|
// You may obtain a copy of the License at
|
||||||
|
//
|
||||||
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
//
|
||||||
|
// Unless required by applicable law or agreed to in writing, software
|
||||||
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
// See the License for the specific language governing permissions and
|
||||||
|
// limitations under the License.
|
||||||
|
|
||||||
|
package procfs |
||||||
|
|
||||||
|
import ( |
||||||
|
"bufio" |
||||||
|
"bytes" |
||||||
|
"fmt" |
||||||
|
"strconv" |
||||||
|
"strings" |
||||||
|
|
||||||
|
"github.com/prometheus/procfs/internal/util" |
||||||
|
) |
||||||
|
|
||||||
|
// Cgroup models one line from /proc/[pid]/cgroup. Each Cgroup struct describes the the placement of a PID inside a
|
||||||
|
// specific control hierarchy. The kernel has two cgroup APIs, v1 and v2. v1 has one hierarchy per available resource
|
||||||
|
// controller, while v2 has one unified hierarchy shared by all controllers. Regardless of v1 or v2, all hierarchies
|
||||||
|
// contain all running processes, so the question answerable with a Cgroup struct is 'where is this process in
|
||||||
|
// this hierarchy' (where==what path on the specific cgroupfs). By prefixing this path with the mount point of
|
||||||
|
// *this specific* hierarchy, you can locate the relevant pseudo-files needed to read/set the data for this PID
|
||||||
|
// in this hierarchy
|
||||||
|
//
|
||||||
|
// Also see http://man7.org/linux/man-pages/man7/cgroups.7.html
|
||||||
|
type Cgroup struct { |
||||||
|
// HierarchyID that can be matched to a named hierarchy using /proc/cgroups. Cgroups V2 only has one
|
||||||
|
// hierarchy, so HierarchyID is always 0. For cgroups v1 this is a unique ID number
|
||||||
|
HierarchyID int |
||||||
|
// Controllers using this hierarchy of processes. Controllers are also known as subsystems. For
|
||||||
|
// Cgroups V2 this may be empty, as all active controllers use the same hierarchy
|
||||||
|
Controllers []string |
||||||
|
// Path of this control group, relative to the mount point of the cgroupfs representing this specific
|
||||||
|
// hierarchy
|
||||||
|
Path string |
||||||
|
} |
||||||
|
|
||||||
|
// parseCgroupString parses each line of the /proc/[pid]/cgroup file
|
||||||
|
// Line format is hierarchyID:[controller1,controller2]:path
|
||||||
|
func parseCgroupString(cgroupStr string) (*Cgroup, error) { |
||||||
|
var err error |
||||||
|
|
||||||
|
fields := strings.Split(cgroupStr, ":") |
||||||
|
if len(fields) < 3 { |
||||||
|
return nil, fmt.Errorf("at least 3 fields required, found %d fields in cgroup string: %s", len(fields), cgroupStr) |
||||||
|
} |
||||||
|
|
||||||
|
cgroup := &Cgroup{ |
||||||
|
Path: fields[2], |
||||||
|
Controllers: nil, |
||||||
|
} |
||||||
|
cgroup.HierarchyID, err = strconv.Atoi(fields[0]) |
||||||
|
if err != nil { |
||||||
|
return nil, fmt.Errorf("failed to parse hierarchy ID") |
||||||
|
} |
||||||
|
if fields[1] != "" { |
||||||
|
ssNames := strings.Split(fields[1], ",") |
||||||
|
cgroup.Controllers = append(cgroup.Controllers, ssNames...) |
||||||
|
} |
||||||
|
return cgroup, nil |
||||||
|
} |
||||||
|
|
||||||
|
// parseCgroups reads each line of the /proc/[pid]/cgroup file
|
||||||
|
func parseCgroups(data []byte) ([]Cgroup, error) { |
||||||
|
var cgroups []Cgroup |
||||||
|
scanner := bufio.NewScanner(bytes.NewReader(data)) |
||||||
|
for scanner.Scan() { |
||||||
|
mountString := scanner.Text() |
||||||
|
parsedMounts, err := parseCgroupString(mountString) |
||||||
|
if err != nil { |
||||||
|
return nil, err |
||||||
|
} |
||||||
|
cgroups = append(cgroups, *parsedMounts) |
||||||
|
} |
||||||
|
|
||||||
|
err := scanner.Err() |
||||||
|
return cgroups, err |
||||||
|
} |
||||||
|
|
||||||
|
// Cgroups reads from /proc/<pid>/cgroups and returns a []*Cgroup struct locating this PID in each process
|
||||||
|
// control hierarchy running on this system. On every system (v1 and v2), all hierarchies contain all processes,
|
||||||
|
// so the len of the returned struct is equal to the number of active hierarchies on this system
|
||||||
|
func (p Proc) Cgroups() ([]Cgroup, error) { |
||||||
|
data, err := util.ReadFileNoStat(fmt.Sprintf("/proc/%d/cgroup", p.PID)) |
||||||
|
if err != nil { |
||||||
|
return nil, err |
||||||
|
} |
||||||
|
return parseCgroups(data) |
||||||
|
} |
||||||
@ -0,0 +1,165 @@ |
|||||||
|
// Copyright 2020 The Prometheus Authors
|
||||||
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
// you may not use this file except in compliance with the License.
|
||||||
|
// You may obtain a copy of the License at
|
||||||
|
//
|
||||||
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
//
|
||||||
|
// Unless required by applicable law or agreed to in writing, software
|
||||||
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
// See the License for the specific language governing permissions and
|
||||||
|
// limitations under the License.
|
||||||
|
|
||||||
|
// +build !windows
|
||||||
|
|
||||||
|
package procfs |
||||||
|
|
||||||
|
import ( |
||||||
|
"bufio" |
||||||
|
"errors" |
||||||
|
"fmt" |
||||||
|
"os" |
||||||
|
"regexp" |
||||||
|
"strconv" |
||||||
|
"strings" |
||||||
|
|
||||||
|
"github.com/prometheus/procfs/internal/util" |
||||||
|
) |
||||||
|
|
||||||
|
var ( |
||||||
|
// match the header line before each mapped zone in /proc/pid/smaps
|
||||||
|
procSMapsHeaderLine = regexp.MustCompile(`^[a-f0-9].*$`) |
||||||
|
) |
||||||
|
|
||||||
|
type ProcSMapsRollup struct { |
||||||
|
// Amount of the mapping that is currently resident in RAM
|
||||||
|
Rss uint64 |
||||||
|
// Process's proportional share of this mapping
|
||||||
|
Pss uint64 |
||||||
|
// Size in bytes of clean shared pages
|
||||||
|
SharedClean uint64 |
||||||
|
// Size in bytes of dirty shared pages
|
||||||
|
SharedDirty uint64 |
||||||
|
// Size in bytes of clean private pages
|
||||||
|
PrivateClean uint64 |
||||||
|
// Size in bytes of dirty private pages
|
||||||
|
PrivateDirty uint64 |
||||||
|
// Amount of memory currently marked as referenced or accessed
|
||||||
|
Referenced uint64 |
||||||
|
// Amount of memory that does not belong to any file
|
||||||
|
Anonymous uint64 |
||||||
|
// Amount would-be-anonymous memory currently on swap
|
||||||
|
Swap uint64 |
||||||
|
// Process's proportional memory on swap
|
||||||
|
SwapPss uint64 |
||||||
|
} |
||||||
|
|
||||||
|
// ProcSMapsRollup reads from /proc/[pid]/smaps_rollup to get summed memory information of the
|
||||||
|
// process.
|
||||||
|
//
|
||||||
|
// If smaps_rollup does not exists (require kernel >= 4.15), the content of /proc/pid/smaps will
|
||||||
|
// we read and summed.
|
||||||
|
func (p Proc) ProcSMapsRollup() (ProcSMapsRollup, error) { |
||||||
|
data, err := util.ReadFileNoStat(p.path("smaps_rollup")) |
||||||
|
if err != nil && os.IsNotExist(err) { |
||||||
|
return p.procSMapsRollupManual() |
||||||
|
} |
||||||
|
if err != nil { |
||||||
|
return ProcSMapsRollup{}, err |
||||||
|
} |
||||||
|
|
||||||
|
lines := strings.Split(string(data), "\n") |
||||||
|
smaps := ProcSMapsRollup{} |
||||||
|
|
||||||
|
// skip first line which don't contains information we need
|
||||||
|
lines = lines[1:] |
||||||
|
for _, line := range lines { |
||||||
|
if line == "" { |
||||||
|
continue |
||||||
|
} |
||||||
|
|
||||||
|
if err := smaps.parseLine(line); err != nil { |
||||||
|
return ProcSMapsRollup{}, err |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
return smaps, nil |
||||||
|
} |
||||||
|
|
||||||
|
// Read /proc/pid/smaps and do the roll-up in Go code.
|
||||||
|
func (p Proc) procSMapsRollupManual() (ProcSMapsRollup, error) { |
||||||
|
file, err := os.Open(p.path("smaps")) |
||||||
|
if err != nil { |
||||||
|
return ProcSMapsRollup{}, err |
||||||
|
} |
||||||
|
defer file.Close() |
||||||
|
|
||||||
|
smaps := ProcSMapsRollup{} |
||||||
|
scan := bufio.NewScanner(file) |
||||||
|
|
||||||
|
for scan.Scan() { |
||||||
|
line := scan.Text() |
||||||
|
|
||||||
|
if procSMapsHeaderLine.MatchString(line) { |
||||||
|
continue |
||||||
|
} |
||||||
|
|
||||||
|
if err := smaps.parseLine(line); err != nil { |
||||||
|
return ProcSMapsRollup{}, err |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
return smaps, nil |
||||||
|
} |
||||||
|
|
||||||
|
func (s *ProcSMapsRollup) parseLine(line string) error { |
||||||
|
kv := strings.SplitN(line, ":", 2) |
||||||
|
if len(kv) != 2 { |
||||||
|
fmt.Println(line) |
||||||
|
return errors.New("invalid net/dev line, missing colon") |
||||||
|
} |
||||||
|
|
||||||
|
k := kv[0] |
||||||
|
if k == "VmFlags" { |
||||||
|
return nil |
||||||
|
} |
||||||
|
|
||||||
|
v := strings.TrimSpace(kv[1]) |
||||||
|
v = strings.TrimRight(v, " kB") |
||||||
|
|
||||||
|
vKBytes, err := strconv.ParseUint(v, 10, 64) |
||||||
|
if err != nil { |
||||||
|
return err |
||||||
|
} |
||||||
|
vBytes := vKBytes * 1024 |
||||||
|
|
||||||
|
s.addValue(k, v, vKBytes, vBytes) |
||||||
|
|
||||||
|
return nil |
||||||
|
} |
||||||
|
|
||||||
|
func (s *ProcSMapsRollup) addValue(k string, vString string, vUint uint64, vUintBytes uint64) { |
||||||
|
switch k { |
||||||
|
case "Rss": |
||||||
|
s.Rss += vUintBytes |
||||||
|
case "Pss": |
||||||
|
s.Pss += vUintBytes |
||||||
|
case "Shared_Clean": |
||||||
|
s.SharedClean += vUintBytes |
||||||
|
case "Shared_Dirty": |
||||||
|
s.SharedDirty += vUintBytes |
||||||
|
case "Private_Clean": |
||||||
|
s.PrivateClean += vUintBytes |
||||||
|
case "Private_Dirty": |
||||||
|
s.PrivateDirty += vUintBytes |
||||||
|
case "Referenced": |
||||||
|
s.Referenced += vUintBytes |
||||||
|
case "Anonymous": |
||||||
|
s.Anonymous += vUintBytes |
||||||
|
case "Swap": |
||||||
|
s.Swap += vUintBytes |
||||||
|
case "SwapPss": |
||||||
|
s.SwapPss += vUintBytes |
||||||
|
} |
||||||
|
} |
||||||
@ -0,0 +1,249 @@ |
|||||||
|
// Copyright 2020 The Prometheus Authors
|
||||||
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
// you may not use this file except in compliance with the License.
|
||||||
|
// You may obtain a copy of the License at
|
||||||
|
//
|
||||||
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
//
|
||||||
|
// Unless required by applicable law or agreed to in writing, software
|
||||||
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
// See the License for the specific language governing permissions and
|
||||||
|
// limitations under the License.
|
||||||
|
|
||||||
|
// +build !windows
|
||||||
|
|
||||||
|
package sysfs |
||||||
|
|
||||||
|
import ( |
||||||
|
"fmt" |
||||||
|
"io/ioutil" |
||||||
|
"os" |
||||||
|
"path/filepath" |
||||||
|
|
||||||
|
"github.com/prometheus/procfs/internal/util" |
||||||
|
) |
||||||
|
|
||||||
|
const fibrechannelClassPath = "class/fc_host" |
||||||
|
|
||||||
|
type FibreChannelCounters struct { |
||||||
|
DumpedFrames uint64 // /sys/class/fc_host/<Name>/statistics/dumped_frames
|
||||||
|
ErrorFrames uint64 // /sys/class/fc_host/<Name>/statistics/error_frames
|
||||||
|
InvalidCRCCount uint64 // /sys/class/fc_host/<Name>/statistics/invalid_crc_count
|
||||||
|
RXFrames uint64 // /sys/class/fc_host/<Name>/statistics/rx_frames
|
||||||
|
RXWords uint64 // /sys/class/fc_host/<Name>/statistics/rx_words
|
||||||
|
TXFrames uint64 // /sys/class/fc_host/<Name>/statistics/tx_frames
|
||||||
|
TXWords uint64 // /sys/class/fc_host/<Name>/statistics/tx_words
|
||||||
|
SecondsSinceLastReset uint64 // /sys/class/fc_host/<Name>/statistics/seconds_since_last_reset
|
||||||
|
InvalidTXWordCount uint64 // /sys/class/fc_host/<Name>/statistics/invalid_tx_word_count
|
||||||
|
LinkFailureCount uint64 // /sys/class/fc_host/<Name>/statistics/link_failure_count
|
||||||
|
LossOfSyncCount uint64 // /sys/class/fc_host/<Name>/statistics/loss_of_sync_count
|
||||||
|
LossOfSignalCount uint64 // /sys/class/fc_host/<Name>/statistics/loss_of_signal_count
|
||||||
|
NosCount uint64 // /sys/class/fc_host/<Name>/statistics/nos_count
|
||||||
|
FCPPacketAborts uint64 // / sys/class/fc_host/<Name>/statistics/fcp_packet_aborts
|
||||||
|
} |
||||||
|
|
||||||
|
type FibreChannelHost struct { |
||||||
|
Name string // /sys/class/fc_host/<Name>
|
||||||
|
Speed string // /sys/class/fc_host/<Name>/speed
|
||||||
|
PortState string // /sys/class/fc_host/<Name>/port_state
|
||||||
|
PortType string // /sys/class/fc_host/<Name>/port_type
|
||||||
|
SymbolicName string // /sys/class/fc_host/<Name>/symbolic_name
|
||||||
|
NodeName string // /sys/class/fc_host/<Name>/node_name
|
||||||
|
PortID string // /sys/class/fc_host/<Name>/port_id
|
||||||
|
PortName string // /sys/class/fc_host/<Name>/port_name
|
||||||
|
FabricName string // /sys/class/fc_host/<Name>/fabric_name
|
||||||
|
DevLossTMO string // /sys/class/fc_host/<Name>/dev_loss_tmo
|
||||||
|
SupportedClasses string // /sys/class/fc_host/<Name>/supported_classes
|
||||||
|
SupportedSpeeds string // /sys/class/fc_host/<Name>/supported_speeds
|
||||||
|
Counters FibreChannelCounters // /sys/class/fc_host/<Name>/statistics/*
|
||||||
|
} |
||||||
|
|
||||||
|
type FibreChannelClass map[string]FibreChannelHost |
||||||
|
|
||||||
|
// FibreChannelClass parses everything in /sys/class/fc_host.
|
||||||
|
func (fs FS) FibreChannelClass() (FibreChannelClass, error) { |
||||||
|
path := fs.sys.Path(fibrechannelClassPath) |
||||||
|
|
||||||
|
dirs, err := ioutil.ReadDir(path) |
||||||
|
if err != nil { |
||||||
|
return nil, err |
||||||
|
} |
||||||
|
|
||||||
|
fcc := make(FibreChannelClass, len(dirs)) |
||||||
|
for _, d := range dirs { |
||||||
|
host, err := fs.parseFibreChannelHost(d.Name()) |
||||||
|
if err != nil { |
||||||
|
return nil, err |
||||||
|
} |
||||||
|
|
||||||
|
fcc[host.Name] = *host |
||||||
|
} |
||||||
|
|
||||||
|
return fcc, nil |
||||||
|
} |
||||||
|
|
||||||
|
// Parse a single FC host
|
||||||
|
func (fs FS) parseFibreChannelHost(name string) (*FibreChannelHost, error) { |
||||||
|
path := fs.sys.Path(fibrechannelClassPath, name) |
||||||
|
host := FibreChannelHost{Name: name} |
||||||
|
|
||||||
|
for _, f := range [...]string{"speed", "port_state", "port_type", "node_name", "port_id", "port_name", "fabric_name", "dev_loss_tmo", "symbolic_name", "supported_classes", "supported_speeds"} { |
||||||
|
name := filepath.Join(path, f) |
||||||
|
value, err := util.SysReadFile(name) |
||||||
|
if err != nil { |
||||||
|
return nil, fmt.Errorf("failed to read file %q: %v", name, err) |
||||||
|
} |
||||||
|
|
||||||
|
switch f { |
||||||
|
case "speed": |
||||||
|
host.Speed = value |
||||||
|
case "port_state": |
||||||
|
host.PortState = value |
||||||
|
case "port_type": |
||||||
|
host.PortType = value |
||||||
|
case "node_name": |
||||||
|
if len(value) > 2 { |
||||||
|
value = value[2:] |
||||||
|
} |
||||||
|
host.NodeName = value |
||||||
|
case "port_id": |
||||||
|
if len(value) > 2 { |
||||||
|
value = value[2:] |
||||||
|
} |
||||||
|
host.PortID = value |
||||||
|
case "port_name": |
||||||
|
if len(value) > 2 { |
||||||
|
value = value[2:] |
||||||
|
} |
||||||
|
host.PortName = value |
||||||
|
case "fabric_name": |
||||||
|
if len(value) > 2 { |
||||||
|
value = value[2:] |
||||||
|
} |
||||||
|
host.FabricName = value |
||||||
|
case "dev_loss_tmo": |
||||||
|
host.DevLossTMO = value |
||||||
|
case "supported_classes": |
||||||
|
host.SupportedClasses = value |
||||||
|
case "supported_speeds": |
||||||
|
host.SupportedSpeeds = value |
||||||
|
case "symbolic_name": |
||||||
|
host.SymbolicName = value |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
counters, err := parseFibreChannelStatistics(path) |
||||||
|
if err != nil { |
||||||
|
return nil, err |
||||||
|
} |
||||||
|
host.Counters = *counters |
||||||
|
|
||||||
|
return &host, nil |
||||||
|
} |
||||||
|
|
||||||
|
// parseFibreChannelStatistics parses metrics from a single FC host.
|
||||||
|
func parseFibreChannelStatistics(hostPath string) (*FibreChannelCounters, error) { |
||||||
|
var counters FibreChannelCounters |
||||||
|
|
||||||
|
path := filepath.Join(hostPath, "statistics") |
||||||
|
files, err := ioutil.ReadDir(path) |
||||||
|
if err != nil { |
||||||
|
return nil, err |
||||||
|
} |
||||||
|
|
||||||
|
for _, f := range files { |
||||||
|
if !f.Mode().IsRegular() || f.Name() == "reset_statistics" { |
||||||
|
continue |
||||||
|
} |
||||||
|
|
||||||
|
name := filepath.Join(path, f.Name()) |
||||||
|
value, err := util.SysReadFile(name) |
||||||
|
if err != nil { |
||||||
|
// there are some write-only files in this directory; we can safely skip over them
|
||||||
|
if os.IsNotExist(err) || err.Error() == "operation not supported" || err.Error() == "invalid argument" { |
||||||
|
continue |
||||||
|
} |
||||||
|
return nil, fmt.Errorf("failed to read file %q: %v", name, err) |
||||||
|
} |
||||||
|
|
||||||
|
vp := util.NewValueParser(value) |
||||||
|
|
||||||
|
// Below switch was automatically generated. Don't need everything in there yet, so the unwanted bits are commented out.
|
||||||
|
switch f.Name() { |
||||||
|
case "dumped_frames": |
||||||
|
counters.DumpedFrames = *vp.PUInt64() |
||||||
|
case "error_frames": |
||||||
|
counters.ErrorFrames = *vp.PUInt64() |
||||||
|
/* |
||||||
|
case "fc_no_free_exch": |
||||||
|
counters.FcNoFreeExch = *vp.PUInt64() |
||||||
|
case "fc_no_free_exch_xid": |
||||||
|
counters.FcNoFreeExchXid = *vp.PUInt64() |
||||||
|
case "fc_non_bls_resp": |
||||||
|
counters.FcNonBlsResp = *vp.PUInt64() |
||||||
|
case "fc_seq_not_found": |
||||||
|
counters.FcSeqNotFound = *vp.PUInt64() |
||||||
|
case "fc_xid_busy": |
||||||
|
counters.FcXidBusy = *vp.PUInt64() |
||||||
|
case "fc_xid_not_found": |
||||||
|
counters.FcXidNotFound = *vp.PUInt64() |
||||||
|
case "fcp_control_requests": |
||||||
|
counters.FcpControlRequests = *vp.PUInt64() |
||||||
|
case "fcp_frame_alloc_failures": |
||||||
|
counters.FcpFrameAllocFailures = *vp.PUInt64() |
||||||
|
case "fcp_input_megabytes": |
||||||
|
counters.FcpInputMegabytes = *vp.PUInt64() |
||||||
|
case "fcp_input_requests": |
||||||
|
counters.FcpInputRequests = *vp.PUInt64() |
||||||
|
case "fcp_output_megabytes": |
||||||
|
counters.FcpOutputMegabytes = *vp.PUInt64() |
||||||
|
case "fcp_output_requests": |
||||||
|
counters.FcpOutputRequests = *vp.PUInt64() |
||||||
|
*/ |
||||||
|
case "fcp_packet_aborts": |
||||||
|
counters.FCPPacketAborts = *vp.PUInt64() |
||||||
|
/* |
||||||
|
case "fcp_packet_alloc_failures": |
||||||
|
counters.FcpPacketAllocFailures = *vp.PUInt64() |
||||||
|
*/ |
||||||
|
case "invalid_tx_word_count": |
||||||
|
counters.InvalidTXWordCount = *vp.PUInt64() |
||||||
|
case "invalid_crc_count": |
||||||
|
counters.InvalidCRCCount = *vp.PUInt64() |
||||||
|
case "link_failure_count": |
||||||
|
counters.LinkFailureCount = *vp.PUInt64() |
||||||
|
/* |
||||||
|
case "lip_count": |
||||||
|
counters.LipCount = *vp.PUInt64() |
||||||
|
*/ |
||||||
|
case "loss_of_signal_count": |
||||||
|
counters.LossOfSignalCount = *vp.PUInt64() |
||||||
|
case "loss_of_sync_count": |
||||||
|
counters.LossOfSyncCount = *vp.PUInt64() |
||||||
|
case "nos_count": |
||||||
|
counters.NosCount = *vp.PUInt64() |
||||||
|
/* |
||||||
|
case "prim_seq_protocol_err_count": |
||||||
|
counters.PrimSeqProtocolErrCount = *vp.PUInt64() |
||||||
|
*/ |
||||||
|
case "rx_frames": |
||||||
|
counters.RXFrames = *vp.PUInt64() |
||||||
|
case "rx_words": |
||||||
|
counters.RXWords = *vp.PUInt64() |
||||||
|
case "seconds_since_last_reset": |
||||||
|
counters.SecondsSinceLastReset = *vp.PUInt64() |
||||||
|
case "tx_frames": |
||||||
|
counters.TXFrames = *vp.PUInt64() |
||||||
|
case "tx_words": |
||||||
|
counters.TXWords = *vp.PUInt64() |
||||||
|
} |
||||||
|
|
||||||
|
if err := vp.Err(); err != nil { |
||||||
|
return nil, err |
||||||
|
} |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
return &counters, nil |
||||||
|
} |
||||||
Loading…
Reference in new issue