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/* [ICS VERSION STRING: unknown] */
/*
* This program is meant to determine the performance of the path query system.
* The destination file is generated by the perf script:
* ./build_table.pl
* The resulting file guidtable_xxxxx can be used with the tool:
* ./opa_osd_perf -q 20000000 -p 0x8001 guidtable_xxxxx
*/
#include <time.h>
#include <locale.h>
#include <langinfo.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <signal.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <infiniband/umad.h>
#include "opasadb_path.h"
#include "opasadb_debug.h"
#define MAX_SOURCE_PORTS (UMAD_CA_MAX_PORTS * UMAD_MAX_DEVICES)
#define MAX_SIDS 8
#define MAX_PKEYS 8
#define DELIMITER ";"
static char remote[512];
typedef struct _src_record {
int disable;
uint64_t prefix;
uint64_t guid;
uint16_t base_lid;
uint16_t num_lids;
uint16_t port_num;
char hfi_num;
} src_record;
typedef struct _record {
int disable;
int simulated;
uint64_t guid;
uint16_t lid;
char name[64];
int guid_fail_count;
int lid_fail_count;
} record;
static int
readline(FILE *f, char *s, int max)
{
int i, c;
memset(s,0,max);
i=0;
c=fgetc(f);
while (c !='\n' && !feof(f) && i < max) {
s[i++]=c;
c=fgetc(f);
}
return i;
}
static int
readrecord(FILE *f, record *r)
{
char *p, *l;
char buffer[1024];
memset(r, 0, sizeof(record));
if (readline(f, buffer, 1024) <=0)
return -1;
r->disable = 0;
p = strtok_r(buffer, DELIMITER, &l);
if (!p)
return -1;
r->lid = htons(strtol(p,NULL,0));
p = strtok_r(NULL, DELIMITER, &l);
if (!p)
return -1;
r->guid = hton64(strtoull(p,NULL,0));
p = strtok_r(NULL,DELIMITER, &l);
if (!p)
return -1;
strcpy(r->name, p);
r->simulated = strstr(p,"Sim") != NULL;
if (!r->simulated) {
/* parse name */
p = strstr(r->name," ");
if (p)
*p=0;
}
return 0;
}
static void
usage(char **argv)
{
fprintf(stderr, "Usage: %s [opts] guidtable\n", argv[0]);
fprintf(stderr, "Test performance of the distributed SA shared memory database.\n");
fprintf(stderr, "\toptions include:\n");
fprintf(stderr, "\t--help\n");
fprintf(stderr, "\t\tProvide this help text.\n");
fprintf(stderr, "\t-q <queries>\n");
fprintf(stderr, "\t\tRun at least <queries> queries.\n");
fprintf(stderr, "\t-p <pkey>\n");
fprintf(stderr, "\t\tInclude <pkey> in the searches.\n");
fprintf(stderr,"\t\t(Can be specified up to " add_quotes(MAX_PKEYS)
" times.)\n");
fprintf(stderr, "\t-S <sid>\n");
fprintf(stderr, "\t\tInclude <sid> in the searches.\n");
fprintf(stderr,"\t\t(Can be specified up to " add_quotes(MAX_SIDS)
" times. Note that\n");
fprintf(stderr,"\t\tproviding both SIDs and pkeys may cause problems."
")\n");
fprintf(stderr, "\n");
fprintf(stderr,
"'guidtable' is a text file that lists the destination\n");
fprintf(stderr,
"guids and lids (i.e., from build_table.pl)\n");
fprintf(stderr,
"\nExample:\t%s -q 100000 -p 0x8001 guidtable\n", argv[0]);
}
static record *dest_ports;
static src_record src_ports[MAX_SOURCE_PORTS];
int numsources = 0;
int
get_sources(void)
{
umad_port_t port;
char ca_names[UMAD_MAX_DEVICES][UMAD_CA_NAME_LEN];
int ca_count;
int i, err;
ca_count = umad_get_cas_names(ca_names, UMAD_MAX_DEVICES);
for (i = 0; i < ca_count; i++) {
umad_ca_t ca;
int j;
err = umad_get_ca(ca_names[i], &ca);
if (err) {
_DBG_ERROR("Failed to open %s\n", ca_names[i]);
return -1;
}
for (j = 1; j <= ca.numports; j++) {
err = umad_get_port(ca_names[i], j, &port);
if (err) {
_DBG_ERROR("Failed to get info on port %d of"
" %s\n", j, ca_names[i]);
umad_release_ca(&ca);
return -1;
}
if (port.state == IBV_PORT_ACTIVE) {
src_ports[numsources].disable =
(port.state != IBV_PORT_ACTIVE);
src_ports[numsources].prefix = port.gid_prefix;
src_ports[numsources].guid = port.port_guid;
src_ports[numsources].base_lid =
htons(port.base_lid);
src_ports[numsources].num_lids =
1 << (port.lmc);
src_ports[numsources].port_num = j;
src_ports[numsources].hfi_num = i + 1;
numsources++;
}
}
}
return numsources;
}
int
main(int argc, char **argv)
{
FILE *f;
int c, err;
uint16_t port;
unsigned i, numdests;
uint64_t sid[MAX_SIDS];
unsigned pkey[MAX_PKEYS];
unsigned numpkeys, numsids;
uint64_t falsepos, falseneg, passes, queries, req_queries, perf;
struct timeval start_time, end_time, elapsed_time;
void *context;
struct ibv_context *hfi;
struct ibv_device *device;
setlocale(LC_ALL, "");
/* Default values. */
strcpy(remote,"strife");
port = 1;
req_queries = 0;
numdests = 1024;
numsources = 0;
numpkeys = 0;
numsids = 0;
if (argc > 1){
if (!strcmp(argv[1], "--help")){
usage(argv);
exit(0);
}
}
while ((c = getopt(argc, argv, "d:q:p:S:")) != EOF) {
switch (c) {
case 'p':
if (numpkeys < MAX_PKEYS) {
pkey[numpkeys++] = htons(
strtoul(optarg, NULL, 0));
} else {
_DBG_ERROR("Too many pkeys.\n");
return -1;
}
break;
case 'S':
if (numsids < MAX_SIDS) {
sid[numsids++] = hton64(
strtoull(optarg, NULL, 0));
} else {
_DBG_ERROR("Too many sids.\n");
return -1;
}
break;
case 'q':
req_queries = strtoul(optarg, NULL, 0);
if (req_queries == ULONG_MAX) {
_DBG_ERROR("Invalid req_queries arg: %s", optarg);
return -1;
}
break;
default:
usage(argv);
return -1;
}
}
if (optind >= argc) {
usage(argv);
return -1;
}
f=fopen(argv[optind], "r");
if (f == NULL) {
fprintf(stderr, "Failed to open guid file (%s)\n",
argv[optind]);
return -1;
}
numsources = get_sources();
if (numsources < 0) {
fprintf(stderr, "Could not read source port data.\n");
fclose(f);
return -1;
}
hfi = op_path_find_hfi("",&device);
if (!hfi || !device) {
fprintf(stderr,"Could not open HFI.\n");
fclose(f);
return -1;
}
context = op_path_open(device, port);
if (!context) {
fprintf(stderr, "Could not open path interface.\n");
goto failopen;
}
dest_ports = malloc(sizeof(record) * numdests);
if (!dest_ports) {
fprintf(stderr, "Could not allocate memory for destinations.\n");
goto failmalloc;
}
i=0;
while (!readrecord(f, &dest_ports[i])) {
i++;
if (i >= numdests) {
numdests = numdests * 2;
dest_ports = realloc(dest_ports, numdests * sizeof(record));
if (!dest_ports) {
fprintf(stderr, "Could not allocate memory for destinations.\n");
goto failmalloc;
}
}
}
numdests = i;
_DBG_NOTICE("Read %u destinations and %u sources.\n",
numdests, numsources);
if (numsources == 0 || numdests == 0) goto fail;
falsepos = falseneg = queries = passes = 0;
gettimeofday(&start_time, NULL);
srand48(start_time.tv_sec);
do {
unsigned j;
for (j=0; j<numdests; j++) {
op_path_rec_t query, response;
int d = j; //lrand48() % numdests;
int s = lrand48() % numsources;
int lid_query = 0;
memset(&query,0,sizeof(query));
lid_query = lrand48() % 2;
if (lid_query) {
unsigned lmc_offset =
lrand48()%src_ports[s].num_lids;
query.slid = htons(
ntohs(src_ports[s].base_lid) + lmc_offset);
query.dlid = htons(
ntohs(dest_ports[d].lid) + lmc_offset);
} else {
query.sgid.unicast.prefix =
src_ports[s].prefix;
query.sgid.unicast.interface_id =
src_ports[s].guid;
query.dgid.unicast.prefix =
src_ports[s].prefix;
query.dgid.unicast.interface_id =
dest_ports[d].guid;
}
if (numpkeys) query.pkey =
pkey[lrand48() % numpkeys];
if (numsids) query.service_id =
sid[lrand48() % numsids];
queries++;
err = op_path_get_path_by_rec(context, &query,
&response);
if ((err != 0) && (dest_ports[d].disable == 0) &&
(src_ports[s].disable == 0)) {
falseneg++;
if (lid_query)
dest_ports[d].lid_fail_count++;
else
dest_ports[d].guid_fail_count++;
} else if ((err == 0) &&
((dest_ports[d].disable != 0) ||
(src_ports[s].disable != 0))) {
falsepos++;
if (lid_query)
dest_ports[d].lid_fail_count++;
else
dest_ports[d].guid_fail_count++;
} else if (lid_query) {
dest_ports[d].lid_fail_count = 0;
} else {
dest_ports[d].guid_fail_count = 0;
}
}
passes++;
} while (queries < req_queries);
gettimeofday(&end_time, NULL);
timersub(&end_time, &start_time, &elapsed_time);
_DBG_PRINT("%lu queries, %lu false negatives, %lu false positives\n"
"%lu passes, elapsed time %ld sec %ld usec.\n",
queries, falseneg, falsepos, passes, elapsed_time.tv_sec,
elapsed_time.tv_usec);
if (elapsed_time.tv_sec > 1) {
perf = queries * 1000 / (elapsed_time.tv_sec * 1000 +
elapsed_time.tv_usec /1000);
_DBG_PRINT("Perf: %lu queries/sec.\n", perf);
}
fail:
free(dest_ports);
failmalloc:
op_path_close(context);
failopen:
ibv_close_device(hfi);
fclose(f);
return 0;
}