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annotate packages/services/cpuload/current/include/cpuload.h @ 2729:74dbf4c3f2e1 after-copyright-change-20090129

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Update all copyright banners to reflect FSF ownership; fix and improve licence text.
author jlarmour
date Thu, 29 Jan 2009 17:47:46 +0000
parents 7de36227e601
children
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1 //==========================================================================
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2 //
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3 // cpuload.h
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4 //
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5 // Interface for the cpuload code.
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6 //
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7 //==========================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 2002 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //==========================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): Andrew Lunn
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43 // Contributors: Andrew Lunn
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44 // Date: 2002-08-12
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45 // Purpose:
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46 // Description:
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47 // API for the cpuload measurement code
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48 //
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49 // This code is part of eCos (tm).
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50 //
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51 //####DESCRIPTIONEND####
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52 //
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53 //==========================================================================
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54
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55 #ifndef _SERVICES_CPULOAD_CPULOAD_H
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56 #define _SERVICES_CPULOAD_CPULOAD_H
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57
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58 #ifdef __cplusplus
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59 externC
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60 {
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61 #endif
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62
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63 typedef struct cyg_cpuload_s {
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64 cyg_alarm alarm_s;
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65 cyg_handle_t alarmH;
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66 cyg_uint32 last_idle_loops;
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67 cyg_uint32 average_point1s;
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68 cyg_uint32 average_1s;
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69 cyg_uint32 average_10s;
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70 cyg_uint32 calibration;
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71 } cyg_cpuload_t;
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72
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73 /* Calibrate the CPU load measurement code */
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74 void cyg_cpuload_calibrate(cyg_uint32 *calibration);
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75
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76 /* Create a measurement object and start the measurements */
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77 void cyg_cpuload_create(cyg_cpuload_t *cpuload,
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78 cyg_uint32 calibrate,
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79 cyg_handle_t *handle);
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80
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81 /* Stop the measurements so the object can be freed */
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82 void cyg_cpuload_delete(cyg_handle_t handle);
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83
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84 /* Get the current CPU load */
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85 void cyg_cpuload_get(cyg_handle_t handle,
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86 cyg_uint32 *average_point1s,
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87 cyg_uint32 *average_1s,
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88 cyg_uint32 *average_10s);
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89
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90 #ifdef __cplusplus
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91 }
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92 #endif
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93 #endif /* _SERVICES_CPULOAD_CPULOAD_H */