| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| syntax = "proto2"; |
| option optimize_for = LITE_RUNTIME; |
| package perfetto.protos; |
| |
| // Per-process periodically sampled stats. These samples are wrapped in a |
| // dedicated message (as opposite to be fields in process_tree.proto) because |
| // they are dumped at a different rate than cmdline and thread list. |
| // Note: not all of these stats will be present in every ProcessStats message |
| // and sometimes processes may be missing . This is because counters are |
| // cached to reduce emission of counters which do not change. |
| message ProcessStats { |
| message Process { |
| optional int32 pid = 1; |
| |
| // See /proc/[pid]/status in `man 5 proc` for a description of these fields. |
| optional uint64 vm_size_kb = 2; |
| optional uint64 vm_rss_kb = 3; |
| optional uint64 rss_anon_kb = 4; |
| optional uint64 rss_file_kb = 5; |
| optional uint64 rss_shmem_kb = 6; |
| optional uint64 vm_swap_kb = 7; |
| optional uint64 vm_locked_kb = 8; |
| optional uint64 vm_hwm_kb = 9; |
| // When adding a new field remember to update kProcMemCounterSize in |
| // the trace processor. |
| |
| optional int64 oom_score_adj = 10; |
| } |
| repeated Process processes = 1; |
| |
| // The time at which we finish collecting this batch of samples; |
| // the top-level packet timestamp is the time at which |
| // we begin collection. |
| // TODO(dancol): analysis might be improved by |
| // time-bracketing each sample as well as the whole |
| // ProcessStats, but doing that is probably gated on |
| // a vdso for CLOCK_BOOTTIME. |
| optional uint64 collection_end_timestamp = 2; |
| } |