| /* |
| * 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; |
| |
| import "protos/perfetto/common/sys_stats_counters.proto"; |
| |
| // Various Linux system stat counters from /proc. |
| // The fields in this message can be reported at different rates and with |
| // different granularity. See sys_stats_config.proto. |
| message SysStats { |
| // Counters from /proc/meminfo. Values are in KB. |
| message MeminfoValue { |
| optional MeminfoCounters key = 1; |
| optional uint64 value = 2; |
| }; |
| repeated MeminfoValue meminfo = 1; |
| |
| // Counter from /proc/vmstat. Units are often pages, not KB. |
| message VmstatValue { |
| optional VmstatCounters key = 1; |
| optional uint64 value = 2; |
| }; |
| repeated VmstatValue vmstat = 2; |
| |
| // Times in each mode, since boot. Unit: nanoseconds. |
| message CpuTimes { |
| optional uint32 cpu_id = 1; |
| optional uint64 user_ns = 2; // Time spent in user mode. |
| optional uint64 user_ice_ns = 3; // Time spent in user mode (low prio). |
| optional uint64 system_mode_ns = 4; // Time spent in system mode. |
| optional uint64 idle_ns = 5; // Time spent in the idle task. |
| optional uint64 io_wait_ns = 6; // Time spent waiting for I/O. |
| optional uint64 irq_ns = 7; // Time spent servicing interrupts. |
| optional uint64 softirq_ns = 8; // Time spent servicing softirqs. |
| } |
| repeated CpuTimes cpu_stat = 3; // One entry per cpu. |
| |
| // Num processes forked since boot. |
| // Populated only if FORK_COUNT in config.stat_counters. |
| optional uint64 num_forks = 4; |
| |
| message InterruptCount { |
| optional int32 irq = 1; |
| optional uint64 count = 2; |
| } |
| |
| // Number of interrupts, broken by IRQ number. |
| // Populated only if IRQ_COUNTS in config.stat_counters. |
| optional uint64 num_irq_total = 5; // Total num of irqs serviced since boot. |
| repeated InterruptCount num_irq = 6; |
| |
| // Number of softirqs, broken by softirq number. |
| // Populated only if SOFTIRQ_COUNTS in config.stat_counters. |
| optional uint64 num_softirq_total = 7; // Total num of softirqs since boot. |
| repeated InterruptCount num_softirq = 8; // Per-softirq count. |
| |
| // The time at which we finish collecting this set of samples; |
| // the top-level packet timestamp is the time at which |
| // we begin collection. |
| optional uint64 collection_end_timestamp = 9; |
| } |