X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/900c977019a54d76dee6bdb6a5dd38336f698c18..c39f5e7ad61e55ef597c798f9ba032ae4b4e9b80:/examples/amok/saturate/saturate.c diff --git a/examples/amok/saturate/saturate.c b/examples/amok/saturate/saturate.c index 833d55867d..a6a37d3fc7 100644 --- a/examples/amok/saturate/saturate.c +++ b/examples/amok/saturate/saturate.c @@ -24,24 +24,47 @@ XBT_LOG_NEW_DEFAULT_CATEGORY(saturate,"Messages specific to this example"); /* Global private data */ typedef struct { gras_socket_t sock; + int done; } sensor_data_t; /* Function prototypes */ int sensor (int argc,char *argv[]); +static int sensor_cb_kill(gras_msg_cb_ctx_t ctx, + void *payload_data) { + + sensor_data_t *g=gras_userdata_get(); + g->done = 1; + INFO0("Killed"); + return 1; +} int sensor (int argc,char *argv[]) { sensor_data_t *g; + xbt_ex_t e; gras_init(&argc,argv); amok_bw_init(); g=gras_userdata_new(sensor_data_t); - g->sock = gras_socket_server(4000); - - while (1) { - gras_msg_handle(60.0); + g->sock = gras_socket_server(atoi(argv[1])); + + g->done = 0; + gras_msgtype_declare("kill",NULL); + gras_cb_register(gras_msgtype_by_name("kill"),&sensor_cb_kill); + + while (!g->done) { + TRY { + gras_msg_handle(20.0); + } CATCH(e) { + if (e.category != timeout_error) + RETHROW; + xbt_ex_free(e); + } } + gras_socket_close(g->sock); + free(g); + gras_exit(); return 0; } @@ -52,15 +75,18 @@ int sensor (int argc,char *argv[]) { /* Function prototypes */ int maestro (int argc,char *argv[]); +/* XP setups */ +const int buf_size = 0; +const int exp_size = 100 * 1024; +const int msg_size = 50 * 1024; +const int sat_size = 1024 * 1024 * 10; + static double XP(const char *bw1, const char *bw2, const char *sat1, const char *sat2) { - int buf_size=32 * 1024; - int exp_size=64 * 1024; - int msg_size=64 * 1024; - int sat_size=msg_size * 10; double sec, bw, sec_sat,bw_sat; + gras_os_sleep(5.0); /* wait for the sensors to show up */ /* Test BW without saturation */ amok_bw_request(bw1,4000,bw2,4000, buf_size,exp_size,msg_size,&sec,&bw); @@ -88,19 +114,154 @@ static double XP(const char *bw1, const char *bw2, return bw_sat/bw; } +static void kill_buddy(char *name,int port){ + gras_socket_t sock=gras_socket_client(name,port); + gras_msg_send(sock,gras_msgtype_by_name("kill"),NULL); + gras_socket_close(sock); +} +static void kill_buddy_dynar(void *b) { + xbt_host_t buddy=*(xbt_host_t*)b; + kill_buddy(buddy->name,buddy->port); +} + static void free_host(void *d){ xbt_host_t h=*(xbt_host_t*)d; free(h->name); free(h); } -int maestro(int argc,char *argv[]) { + +static void simple_saturation(int argc, char*argv[]) { xbt_ex_t e; - /* XP setups */ - int buf_size=0; - int exp_size= 1024 * 1024; - int msg_size=exp_size; - int sat_size=msg_size * 100; + kill_buddy(argv[5],atoi(argv[6])); + kill_buddy(argv[7],atoi(argv[8])); + + amok_bw_saturate_start(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]), + sat_size,5); + gras_os_sleep(3); + TRY { + amok_bw_saturate_stop(argv[1],atoi(argv[2]),NULL,NULL); + } CATCH(e) { + xbt_ex_free(e); + } + + + kill_buddy(argv[1],atoi(argv[2])); + kill_buddy(argv[3],atoi(argv[4])); +} +/********************************************************************************************/ +static void env_hosttohost_bw(int argc, char*argv[]) { + + /* where are the sensors */ + xbt_dynar_t hosts = xbt_dynar_new(sizeof(xbt_host_t),&free_host); + int nb_hosts; + + /* results */ + double sec, bw; + + /* iterators */ + int i; + xbt_host_t h1; + + gras_socket_t peer; /* socket to sensor */ + + /* wait to ensure that all server sockets are there before starting the experiment */ + gras_os_sleep(0.5); + + /* Get the sensor location from argc/argv */ + for (i=1; iname=strdup(argv[i]); + host->port=atoi(argv[i+1]); + INFO2("New sensor: %s:%d",host->name,host->port); + xbt_dynar_push(hosts,&host); + } + nb_hosts = xbt_dynar_length(hosts); + + INFO0(">>> start Test1: ENV end to end mesurements"); + + xbt_dynar_foreach(hosts,i,h1) { + peer = gras_socket_client(h1->name,h1->port); + amok_bw_test(peer,buf_size,exp_size,msg_size,&sec,&bw); + INFO6("Bandwidth between me and %s:%d (%d bytes in msgs of %d bytes) took %f sec, achieving %.3f kb/s", + h1->name,h1->port, + exp_size,msg_size, + sec,((double)bw)/1024.0); + } + + xbt_dynar_map(hosts,kill_buddy_dynar); + xbt_dynar_free(&hosts); + +} +/********************************************************************************************/ +static void env_Pairwisehost_bw(int argc, char*argv[]) { + xbt_ex_t e; + + /* where are the sensors */ + xbt_dynar_t hosts = xbt_dynar_new(sizeof(xbt_host_t),&free_host); + int nb_hosts; + + /* getting the name of maestro for the saturation and the concurrent bandwidth measurements */ + char* host_test=argv[0]; + + /* results */ + double sec, bw; + + /* iterators */ + int i,j; + xbt_host_t h1,h2; + + /* socket to sensor */ + gras_socket_t peer; + + /* wait to ensure that all server sockets are there before starting the experiment */ + gras_os_sleep(0.5); + + INFO1(">>>>>< le maestro est: %s ",argv[0]); + /* Get the sensor location from argc/argv */ + for (i=1; iname=strdup(argv[i]); + host->port=atoi(argv[i+1]); + INFO2("New sensor: %s:%d",host->name,host->port); + xbt_dynar_push(hosts,&host); + } + nb_hosts = xbt_dynar_length(hosts); + + INFO0(">>> start Test2: ENV pairwise host bandwidth mesurements"); + xbt_dynar_foreach(hosts,i,h1) { + + TRY { + amok_bw_saturate_start(h1->name,h1->port, + host_test,h1->port,//"Ginette" + msg_size,120); // sturation of the link with msg_size to compute a concurent bandwidth MA //MB + } CATCH(e) { + RETHROW0("Cannot ask hosts to saturate the link: %s"); + } + // gras_os_sleep(1.0); + + xbt_dynar_foreach(hosts,j,h2) { + if (i==j) continue; + + peer = gras_socket_client(h2->name,h2->port); + amok_bw_test(peer,buf_size,exp_size,msg_size,&sec,&bw); + INFO6("Bandwidth between me and %s // measurement between me and %s (%d bytes in msgs of %d bytes) took %f sec, achieving %.3f kb/s", + h2->name,h1->name, + exp_size,msg_size, + sec,((double)bw)/1024.0); + + } + amok_bw_saturate_stop(h1->name,h1->port,NULL,NULL); +} + xbt_dynar_map(hosts,kill_buddy_dynar); + xbt_dynar_free(&hosts); + +} +/********************************************************************************************/ +static void full_fledged_saturation(int argc, char*argv[]) { + xbt_ex_t e; +//unsigned int time1=5,bw1=5; +double time1=5.0,bw1=5.0; // 0.5 for test /* timers */ double begin_simulated; int begin; @@ -117,9 +278,6 @@ int maestro(int argc,char *argv[]) { int i,j,k,l; xbt_host_t h1,h2,h3,h4; - gras_init(&argc,argv); - amok_bw_init(); - /* Get the sensor location from argc/argv */ for (i=1; iname,h1->port, h2->name,h2->port, - sat_size,360000000); + sat_size,120); } CATCH(e) { RETHROW0("Cannot ask hosts to saturate the link: %s"); } @@ -163,72 +324,48 @@ int maestro(int argc,char *argv[]) { double ratio; if (i==l || j==l || k==l) continue; + INFO4("TEST %s %s // %s %s", + h1->name,h2->name,h3->name,h4->name); amok_bw_request(h3->name,h3->port, h4->name,h4->port, buf_size,exp_size,msg_size, - NULL,&(bw_sat[k*nb_hosts + l])); - + NULL,&(bw_sat[k*nb_hosts + l])); + ratio=bw_sat[k*nb_hosts + l] / bw[k*nb_hosts + l]; INFO8("SATURATED BW XP(%s %s // %s %s) => %f (%f vs %f)%s", h1->name,h2->name,h3->name,h4->name, ratio, bw[k*nb_hosts + l] , bw_sat[k*nb_hosts + l], - ratio < 0.7 ? " THERE IS SOME INTERFERENCE !!!": ""); } } - - amok_bw_saturate_stop(h1->name,h1->port, NULL,NULL); + amok_bw_saturate_stop(h1->name,h1->port,&time1,&bw1);// NULL,NULL); INFO2("Did an iteration on saturation pair in %ld sec (%.2f simulated sec)", time(NULL)-begin, gras_os_time()-begin_simulated); + INFO2("the duration of the experiment >>>>> %.3f sec (%.3f bandwidth)",time1,bw1); } } + free(bw_sat); + free(bw); + xbt_dynar_map(hosts,kill_buddy_dynar); + xbt_dynar_free(&hosts); +} - gras_os_sleep(5.0); - exit(0); -#if 0 - return 0; - /* start saturation */ - fprintf(stderr,"MAESTRO: Start saturation with size %d",msg_size); - if ((errcode=grasbw_saturate_start(argv[5],atoi(argv[6]),argv[7],atoi(argv[8]),msg_size*10,60))) { - fprintf(stderr,"MAESTRO: Error %s encountered while starting saturation", - xbt_error_name(errcode)); - return 1; - } - fprintf(stderr,"MAESTRO: Saturation started"); - gras_os_sleep(5.0); - - /* test with saturation */ - if ((errcode=grasbw_request(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]), - buf_size,exp_size,msg_size,&sec,&bw))) { - fprintf(stderr,"MAESTRO: Error %s encountered while doing the test",xbt_error_name(errcode)); - return 1; - } - - fprintf(stderr,"MAESTRO: Experience3 (%d ko in msgs of %d ko with saturation) took %f sec, achieving %f Mb/s", - exp_size/1024,msg_size/1024, - sec,bw); - - /* stop saturation */ - if ((errcode=grasbw_saturate_stop(argv[5],atoi(argv[6]),argv[7],atoi(argv[8])))) { - fprintf(stderr,"MAESTRO: Error %s encountered while stopping saturation", - xbt_error_name(errcode)); - return 1; - } - /* test without saturation */ - if ((errcode=grasbw_request(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]), - buf_size,exp_size,msg_size,&sec,&bw))) { - fprintf(stderr,"MAESTRO: Error %s encountered while doing the test",xbt_error_name(errcode)); - return 1; - } - - fprintf(stderr,"MAESTRO: Experience4 (%d ko in msgs of %d ko, without saturation) took %f sec, achieving %f Mb/s", - exp_size/1024,msg_size/1024, - sec,bw); - - gras_os_sleep(5.0); -#endif - +int maestro(int argc,char *argv[]) { + + gras_init(&argc,argv); + amok_bw_init(); + + gras_socket_server(3333); /* only so that messages from the transport layer in gras identify us */ + + env_Pairwisehost_bw(argc,argv); + //env_hosttohost_bw(argc,argv); + + // simple_saturation(argc,argv); + //full_fledged_saturation(argc, argv); + + gras_exit(); return 0; + }