Willy Tarreau | 609aad9 | 2018-11-22 08:31:09 +0100 | [diff] [blame] | 1 | /* |
| 2 | * include/types/activity.h |
| 3 | * This file contains structure declarations for activity measurements. |
| 4 | * |
| 5 | * Copyright (C) 2000-2018 Willy Tarreau - w@1wt.eu |
| 6 | * |
| 7 | * This library is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation, version 2.1 |
| 10 | * exclusively. |
| 11 | * |
| 12 | * This library is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with this library; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #ifndef _TYPES_ACTIVITY_H |
| 23 | #define _TYPES_ACTIVITY_H |
| 24 | |
| 25 | #include <common/config.h> |
| 26 | #include <types/freq_ctr.h> |
| 27 | |
| 28 | /* per-thread activity reports. It's important that it's aligned on cache lines |
| 29 | * because some elements will be updated very often. Most counters are OK on |
| 30 | * 32-bit since this will be used during debugging sessions for troubleshooting |
| 31 | * in iterative mode. |
| 32 | */ |
| 33 | struct activity { |
| 34 | unsigned int loops; // complete loops in run_poll_loop() |
| 35 | unsigned int wake_cache; // active fd_cache prevented poll() from sleeping |
| 36 | unsigned int wake_tasks; // active tasks prevented poll() from sleeping |
| 37 | unsigned int wake_signal; // pending signal prevented poll() from sleeping |
| 38 | unsigned int poll_exp; // number of times poll() sees an expired timeout (includes wake_*) |
| 39 | unsigned int poll_drop; // poller dropped a dead FD from the update list |
| 40 | unsigned int poll_dead; // poller woke up with a dead FD |
| 41 | unsigned int poll_skip; // poller skipped another thread's FD |
| 42 | unsigned int fd_skip; // fd cache skipped another thread's FD |
| 43 | unsigned int fd_lock; // fd cache skipped a locked FD |
| 44 | unsigned int fd_del; // fd cache detected a deleted FD |
| 45 | unsigned int conn_dead; // conn_fd_handler woke up on an FD indicating a dead connection |
| 46 | unsigned int stream; // calls to process_stream() |
| 47 | unsigned int empty_rq; // calls to process_runnable_tasks() with nothing for the thread |
| 48 | unsigned int long_rq; // process_runnable_tasks() left with tasks in the run queue |
| 49 | unsigned int cpust_total; // sum of half-ms stolen per thread |
Willy Tarreau | baba82f | 2018-11-22 08:42:42 +0100 | [diff] [blame] | 50 | /* one cache line */ |
Willy Tarreau | 609aad9 | 2018-11-22 08:31:09 +0100 | [diff] [blame] | 51 | struct freq_ctr cpust_1s; // avg amount of half-ms stolen over last second |
| 52 | struct freq_ctr_period cpust_15s; // avg amount of half-ms stolen over last 15s |
Willy Tarreau | baba82f | 2018-11-22 08:42:42 +0100 | [diff] [blame] | 53 | unsigned int avg_loop_us; // average run time per loop over last 1024 runs |
Willy Tarreau | 609aad9 | 2018-11-22 08:31:09 +0100 | [diff] [blame] | 54 | char __pad[0]; // unused except to check remaining room |
| 55 | char __end[0] __attribute__((aligned(64))); // align size to 64. |
| 56 | }; |
| 57 | |
| 58 | #endif /* _TYPES_ACTIVITY_H */ |
| 59 | |
| 60 | /* |
| 61 | * Local variables: |
| 62 | * c-indent-level: 8 |
| 63 | * c-basic-offset: 8 |
| 64 | * End: |
| 65 | */ |