| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /*************************************** | ||
| 2 | Auteur : Pierre Aubert | ||
| 3 | Mail : pierre.aubert@lapp.in2p3.fr | ||
| 4 | Licence : CeCILL-C | ||
| 5 | ****************************************/ | ||
| 6 | |||
| 7 | |||
| 8 | |||
| 9 | #include <stdio.h> | ||
| 10 | #include <stdlib.h> | ||
| 11 | #include <unistd.h> | ||
| 12 | #include <errno.h> | ||
| 13 | #include <netdb.h> | ||
| 14 | |||
| 15 | #include <sys/types.h> | ||
| 16 | #include <sys/sysinfo.h> | ||
| 17 | #include <sys/socket.h> | ||
| 18 | |||
| 19 | #include <netinet/in.h> | ||
| 20 | #include <arpa/inet.h> | ||
| 21 | |||
| 22 | #include <thread> | ||
| 23 | |||
| 24 | #include "phoenix_hardware_characteristics.h" | ||
| 25 | |||
| 26 | ///Get the ratio of RAM used when this function is called | ||
| 27 | /** @return ratio of the used RAM at this time, between 0 and 1 | ||
| 28 | */ | ||
| 29 | 1 | float phoenix_hardware_usedRAM(){ | |
| 30 | struct sysinfo memInfo; | ||
| 31 | 1 | sysinfo(&memInfo); | |
| 32 | // long long totalVirtualMem = memInfo.totalram; | ||
| 33 | // //Add other values in next statement to avoid int overflow on right hand side... | ||
| 34 | // totalVirtualMem += memInfo.totalswap; | ||
| 35 | // totalVirtualMem *= memInfo.mem_unit; | ||
| 36 | // | ||
| 37 | // long long virtualMemUsed = memInfo.totalram - memInfo.freeram; | ||
| 38 | // //Add other values in next statement to avoid int overflow on right hand side... | ||
| 39 | // virtualMemUsed += memInfo.totalswap - memInfo.freeswap; | ||
| 40 | // virtualMemUsed *= memInfo.mem_unit; | ||
| 41 | |||
| 42 | //Get the total RAM amount | ||
| 43 | 1 | size_t totalPhysMemRAM = memInfo.totalram; | |
| 44 | //Multiply in next statement to avoid int overflow on right hand side... | ||
| 45 | 1 | totalPhysMemRAM *= memInfo.mem_unit; | |
| 46 | |||
| 47 | //Physical memory currently used | ||
| 48 | 1 | size_t physMemUsed = memInfo.totalram - memInfo.freeram; | |
| 49 | //Multiply in next statement to avoid int overflow on right hand side... | ||
| 50 | 1 | physMemUsed *= memInfo.mem_unit; | |
| 51 | |||
| 52 | 1 | return (float)(((double)physMemUsed)/((double)totalPhysMemRAM)); | |
| 53 | } | ||
| 54 | |||
| 55 | ///Get the total amount of RAM (in GB) of the current host | ||
| 56 | /** @return total amount of RAM (in GB) of the current host | ||
| 57 | */ | ||
| 58 | 1 | float phoenix_hardware_totalRAM(){ | |
| 59 | struct sysinfo memInfo; | ||
| 60 | 1 | sysinfo(&memInfo); | |
| 61 | //Get the total RAM amount | ||
| 62 | 1 | size_t totalPhysMemRAM = memInfo.totalram; | |
| 63 | //Multiply in next statement to avoid int overflow on right hand side... | ||
| 64 | 1 | totalPhysMemRAM *= memInfo.mem_unit; | |
| 65 | 1 | float totalRamGB(totalPhysMemRAM/1e9); | |
| 66 | 1 | return totalRamGB; | |
| 67 | } | ||
| 68 | |||
| 69 | ///Get the host name and the IP address and the current host | ||
| 70 | /** @param[out] hostName : name of the current host | ||
| 71 | * @param[out] ipAddress : ip address of the current host | ||
| 72 | */ | ||
| 73 | 1 | void phoenix_hardware_hostNameIp(std::string & hostName, std::string & ipAddress){ | |
| 74 |
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1 | hostName = ""; |
| 75 |
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1 | ipAddress = ""; |
| 76 | char hostbuffer[256]; | ||
| 77 | struct hostent *host_entry; | ||
| 78 | int hostNameId; | ||
| 79 | |||
| 80 | // To retrieve hostname | ||
| 81 | 1 | hostNameId = gethostname(hostbuffer, sizeof(hostbuffer)); | |
| 82 |
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1 | if(hostNameId == -1){return;} |
| 83 | |||
| 84 | // To retrieve host information | ||
| 85 |
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1 | host_entry = gethostbyname(hostbuffer); |
| 86 |
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1 | if(host_entry == NULL){return;} |
| 87 | //Set the host name | ||
| 88 |
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1 | hostName = hostbuffer; |
| 89 | //Convert an Internet network address into ASCII string | ||
| 90 |
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1 | ipAddress = inet_ntoa(*((struct in_addr*) host_entry->h_addr_list[0])); |
| 91 | } | ||
| 92 | |||
| 93 | ///Get the number of cores on the current host | ||
| 94 | /** @return number of cores on the current host | ||
| 95 | */ | ||
| 96 | 1 | size_t phoenix_hardware_nbCore(){ | |
| 97 | //may return 0 when not able to detect | ||
| 98 | 1 | unsigned int processor_count = std::thread::hardware_concurrency(); | |
| 99 |
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1 | if(processor_count == 0u){ |
| 100 | //Check an other solution | ||
| 101 | ✗ | int numCPU = sysconf(_SC_NPROCESSORS_ONLN); | |
| 102 | ✗ | if(numCPU == -1){return 0lu;} //if there is a failure, return 0 (undefined) | |
| 103 | ✗ | return numCPU; | |
| 104 | } | ||
| 105 | 1 | return processor_count; | |
| 106 | } | ||
| 107 | |||
| 108 |