| /* |
| * include/haproxy/activity-t.h |
| * This file contains structure declarations for activity measurements. |
| * |
| * Copyright (C) 2000-2020 Willy Tarreau - w@1wt.eu |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation, version 2.1 |
| * exclusively. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef _HAPROXY_ACTIVITY_T_H |
| #define _HAPROXY_ACTIVITY_T_H |
| |
| #include <haproxy/api-t.h> |
| #include <haproxy/freq_ctr-t.h> |
| |
| /* bit fields for the "profiling" global variable */ |
| #define HA_PROF_TASKS_OFF 0x00000000 /* per-task CPU profiling forced disabled */ |
| #define HA_PROF_TASKS_AUTO 0x00000001 /* per-task CPU profiling automatic */ |
| #define HA_PROF_TASKS_ON 0x00000002 /* per-task CPU profiling forced enabled */ |
| #define HA_PROF_TASKS_MASK 0x00000003 /* per-task CPU profiling mask */ |
| |
| /* per-thread activity reports. It's important that it's aligned on cache lines |
| * because some elements will be updated very often. Most counters are OK on |
| * 32-bit since this will be used during debugging sessions for troubleshooting |
| * in iterative mode. |
| */ |
| struct activity { |
| unsigned int loops; // complete loops in run_poll_loop() |
| unsigned int wake_tasks; // active tasks prevented poll() from sleeping |
| unsigned int wake_signal; // pending signal prevented poll() from sleeping |
| unsigned int poll_io; // number of times poll() reported I/O events |
| unsigned int poll_exp; // number of times poll() sees an expired timeout (includes wake_*) |
| unsigned int poll_drop_fd; // poller dropped a dead FD from the update list |
| unsigned int poll_dead_fd; // poller woke up with a dead FD |
| unsigned int poll_skip_fd; // poller skipped another thread's FD |
| unsigned int conn_dead; // conn_fd_handler woke up on an FD indicating a dead connection |
| unsigned int stream; // calls to process_stream() |
| unsigned int ctxsw; // total number of context switches |
| unsigned int tasksw; // total number of task switches |
| unsigned int empty_rq; // calls to process_runnable_tasks() with nothing for the thread |
| unsigned int long_rq; // process_runnable_tasks() left with tasks in the run queue |
| unsigned int cpust_total; // sum of half-ms stolen per thread |
| /* one unused entry left before end of first cache line */ |
| ALWAYS_ALIGN(64); |
| |
| struct freq_ctr cpust_1s; // avg amount of half-ms stolen over last second |
| struct freq_ctr_period cpust_15s; // avg amount of half-ms stolen over last 15s |
| unsigned int avg_loop_us; // average run time per loop over last 1024 runs |
| unsigned int accepted; // accepted incoming connections |
| unsigned int accq_pushed; // accept queue connections pushed |
| unsigned int accq_full; // accept queue connection not pushed because full |
| unsigned int pool_fail; // failed a pool allocation |
| unsigned int buf_wait; // waited on a buffer allocation |
| #if defined(DEBUG_DEV) |
| /* keep these ones at the end */ |
| unsigned int ctr0; // general purposee debug counter |
| unsigned int ctr1; // general purposee debug counter |
| unsigned int ctr2; // general purposee debug counter |
| #endif |
| char __pad[0]; // unused except to check remaining room |
| char __end[0] __attribute__((aligned(64))); // align size to 64. |
| }; |
| |
| #endif /* _HAPROXY_ACTIVITY_T_H */ |
| |
| /* |
| * Local variables: |
| * c-indent-level: 8 |
| * c-basic-offset: 8 |
| * End: |
| */ |