Mercurial > hg > nginx
annotate src/os/unix/ngx_setaffinity.c @ 9331:dbf76fdd109f default tip
release-1.27.4 tag
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 03 Sep 2024 13:11:25 +0300 |
parents | 7296b38f6416 |
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worker_cpu_affinity: cleaned up Linux implementation, added FreeBSD support.
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1 |
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 |
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10 |
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11 #if (NGX_HAVE_CPUSET_SETAFFINITY) |
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12 |
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13 void |
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14 ngx_setaffinity(ngx_cpuset_t *cpu_affinity, ngx_log_t *log) |
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15 { |
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16 ngx_uint_t i; |
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17 |
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18 for (i = 0; i < CPU_SETSIZE; i++) { |
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19 if (CPU_ISSET(i, cpu_affinity)) { |
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20 ngx_log_error(NGX_LOG_NOTICE, log, 0, |
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21 "cpuset_setaffinity(): using cpu #%ui", i); |
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22 } |
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23 } |
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24 |
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25 if (cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1, |
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26 sizeof(cpuset_t), cpu_affinity) == -1) |
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27 { |
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28 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
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29 "cpuset_setaffinity() failed"); |
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30 } |
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31 } |
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32 |
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33 #elif (NGX_HAVE_SCHED_SETAFFINITY) |
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34 |
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35 void |
6402
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Core: added support for more than 64 CPUs in worker_cpu_affinity.
Vladimir Homutov <vl@nginx.com>
parents:
4549
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36 ngx_setaffinity(ngx_cpuset_t *cpu_affinity, ngx_log_t *log) |
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37 { |
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38 ngx_uint_t i; |
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39 |
6402
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Core: added support for more than 64 CPUs in worker_cpu_affinity.
Vladimir Homutov <vl@nginx.com>
parents:
4549
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40 for (i = 0; i < CPU_SETSIZE; i++) { |
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Core: added support for more than 64 CPUs in worker_cpu_affinity.
Vladimir Homutov <vl@nginx.com>
parents:
4549
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41 if (CPU_ISSET(i, cpu_affinity)) { |
7296b38f6416
Core: added support for more than 64 CPUs in worker_cpu_affinity.
Vladimir Homutov <vl@nginx.com>
parents:
4549
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42 ngx_log_error(NGX_LOG_NOTICE, log, 0, |
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Vladimir Homutov <vl@nginx.com>
parents:
4549
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43 "sched_setaffinity(): using cpu #%ui", i); |
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Vladimir Homutov <vl@nginx.com>
parents:
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44 } |
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Core: added support for more than 64 CPUs in worker_cpu_affinity.
Vladimir Homutov <vl@nginx.com>
parents:
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45 } |
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worker_cpu_affinity: cleaned up Linux implementation, added FreeBSD support.
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parents:
diff
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46 |
6402
7296b38f6416
Core: added support for more than 64 CPUs in worker_cpu_affinity.
Vladimir Homutov <vl@nginx.com>
parents:
4549
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47 if (sched_setaffinity(0, sizeof(cpu_set_t), cpu_affinity) == -1) { |
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worker_cpu_affinity: cleaned up Linux implementation, added FreeBSD support.
Ruslan Ermilov <ru@nginx.com>
parents:
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48 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
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49 "sched_setaffinity() failed"); |
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50 } |
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51 } |
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52 |
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53 #endif |