2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
12 * Test of the xstat_fs module.
14 *------------------------------------------------------------------------*/
16 #include <afsconfig.h>
17 #include <afs/param.h>
22 #include "xstat_fs.h" /*Interface for xstat_fs module */
23 #include <cmd.h> /*Command line interpreter */
34 * External routines that don't have explicit include file definitions.
36 extern struct hostent *hostutil_GetHostByName();
39 * Command line parameter indices.
40 * P_FS_NAMES : List of FileServer names.
41 * P_COLL_IDS : List of collection IDs to pick up.
42 * P_ONESHOT : Are we gathering exactly one round of data?
43 * P_DEBUG : Enable debugging output?
55 static int debugging_on = 0; /*Are we debugging? */
56 static int one_shot = 0; /*Single round of data collection? */
58 static char *opNames[] = {
89 static char *xferOpNames[] = {
95 /*------------------------------------------------------------------------
99 * Print out the AFS_XSTATSCOLL_CALL_INFO collection we just
109 * All the info we need is nestled into xstat_fs_Results.
113 *------------------------------------------------------------------------*/
119 static char rn[] = "PrintCallInfo"; /*Routine name */
120 register int i; /*Loop variable */
121 int numInt32s; /*# int32words returned */
122 afs_int32 *currInt32; /*Ptr to current afs_int32 value */
123 char *printableTime; /*Ptr to printable time string */
126 * Just print out the results of the particular probe.
128 numInt32s = xstat_fs_Results.data.AFS_CollData_len;
129 currInt32 = (afs_int32 *) (xstat_fs_Results.data.AFS_CollData_val);
130 printableTime = ctime((time_t *) & (xstat_fs_Results.probeTime));
131 printableTime[strlen(printableTime) - 1] = '\0';
133 printf("AFS_XSTATSCOLL_CALL_INFO (coll %d) for FS %s\n[Probe %d, %s]\n\n",
134 xstat_fs_Results.collectionNumber,
135 xstat_fs_Results.connP->hostName, xstat_fs_Results.probeNum,
139 printf("\n[%d entries returned at 0x%x]\n\n", numInt32s, currInt32);
141 for (i = 0; i < numInt32s; i++)
142 printf("%d ", *currInt32++);
143 fprintf(stderr, "\n");
148 /*------------------------------------------------------------------------
149 * PrintOverallPerfInfo
152 * Print out overall performance numbers.
155 * a_ovP : Ptr to the overall performance numbers.
161 * Nothing interesting.
165 *------------------------------------------------------------------------*/
168 PrintOverallPerfInfo(struct afs_PerfStats *a_ovP)
170 printf("\t%10d numPerfCalls\n\n", a_ovP->numPerfCalls);
173 * Vnode cache section.
175 printf("\t%10d vcache_L_Entries\n", a_ovP->vcache_L_Entries);
176 printf("\t%10d vcache_L_Allocs\n", a_ovP->vcache_L_Allocs);
177 printf("\t%10d vcache_L_Gets\n", a_ovP->vcache_L_Gets);
178 printf("\t%10d vcache_L_Reads\n", a_ovP->vcache_L_Reads);
179 printf("\t%10d vcache_L_Writes\n\n", a_ovP->vcache_L_Writes);
181 printf("\t%10d vcache_S_Entries\n", a_ovP->vcache_S_Entries);
182 printf("\t%10d vcache_S_Allocs\n", a_ovP->vcache_S_Allocs);
183 printf("\t%10d vcache_S_Gets\n", a_ovP->vcache_S_Gets);
184 printf("\t%10d vcache_S_Reads\n", a_ovP->vcache_S_Reads);
185 printf("\t%10d vcache_S_Writes\n\n", a_ovP->vcache_S_Writes);
187 printf("\t%10d vcache_H_Entries\n", a_ovP->vcache_H_Entries);
188 printf("\t%10d vcache_H_Gets\n", a_ovP->vcache_H_Gets);
189 printf("\t%10d vcache_H_Replacements\n\n", a_ovP->vcache_H_Replacements);
192 * Directory package section.
194 printf("\t%10d dir_Buffers\n", a_ovP->dir_Buffers);
195 printf("\t%10d dir_Calls\n", a_ovP->dir_Calls);
196 printf("\t%10d dir_IOs\n\n", a_ovP->dir_IOs);
201 printf("\t%10d rx_packetRequests\n", a_ovP->rx_packetRequests);
202 printf("\t%10d rx_noPackets_RcvClass\n", a_ovP->rx_noPackets_RcvClass);
203 printf("\t%10d rx_noPackets_SendClass\n", a_ovP->rx_noPackets_SendClass);
204 printf("\t%10d rx_noPackets_SpecialClass\n",
205 a_ovP->rx_noPackets_SpecialClass);
206 printf("\t%10d rx_socketGreedy\n", a_ovP->rx_socketGreedy);
207 printf("\t%10d rx_bogusPacketOnRead\n", a_ovP->rx_bogusPacketOnRead);
208 printf("\t%10d rx_bogusHost\n", a_ovP->rx_bogusHost);
209 printf("\t%10d rx_noPacketOnRead\n", a_ovP->rx_noPacketOnRead);
210 printf("\t%10d rx_noPacketBuffersOnRead\n",
211 a_ovP->rx_noPacketBuffersOnRead);
212 printf("\t%10d rx_selects\n", a_ovP->rx_selects);
213 printf("\t%10d rx_sendSelects\n", a_ovP->rx_sendSelects);
214 printf("\t%10d rx_packetsRead_RcvClass\n",
215 a_ovP->rx_packetsRead_RcvClass);
216 printf("\t%10d rx_packetsRead_SendClass\n",
217 a_ovP->rx_packetsRead_SendClass);
218 printf("\t%10d rx_packetsRead_SpecialClass\n",
219 a_ovP->rx_packetsRead_SpecialClass);
220 printf("\t%10d rx_dataPacketsRead\n", a_ovP->rx_dataPacketsRead);
221 printf("\t%10d rx_ackPacketsRead\n", a_ovP->rx_ackPacketsRead);
222 printf("\t%10d rx_dupPacketsRead\n", a_ovP->rx_dupPacketsRead);
223 printf("\t%10d rx_spuriousPacketsRead\n", a_ovP->rx_spuriousPacketsRead);
224 printf("\t%10d rx_packetsSent_RcvClass\n",
225 a_ovP->rx_packetsSent_RcvClass);
226 printf("\t%10d rx_packetsSent_SendClass\n",
227 a_ovP->rx_packetsSent_SendClass);
228 printf("\t%10d rx_packetsSent_SpecialClass\n",
229 a_ovP->rx_packetsSent_SpecialClass);
230 printf("\t%10d rx_ackPacketsSent\n", a_ovP->rx_ackPacketsSent);
231 printf("\t%10d rx_pingPacketsSent\n", a_ovP->rx_pingPacketsSent);
232 printf("\t%10d rx_abortPacketsSent\n", a_ovP->rx_abortPacketsSent);
233 printf("\t%10d rx_busyPacketsSent\n", a_ovP->rx_busyPacketsSent);
234 printf("\t%10d rx_dataPacketsSent\n", a_ovP->rx_dataPacketsSent);
235 printf("\t%10d rx_dataPacketsReSent\n", a_ovP->rx_dataPacketsReSent);
236 printf("\t%10d rx_dataPacketsPushed\n", a_ovP->rx_dataPacketsPushed);
237 printf("\t%10d rx_ignoreAckedPacket\n", a_ovP->rx_ignoreAckedPacket);
238 printf("\t%10d rx_totalRtt_Sec\n", a_ovP->rx_totalRtt_Sec);
239 printf("\t%10d rx_totalRtt_Usec\n", a_ovP->rx_totalRtt_Usec);
240 printf("\t%10d rx_minRtt_Sec\n", a_ovP->rx_minRtt_Sec);
241 printf("\t%10d rx_minRtt_Usec\n", a_ovP->rx_minRtt_Usec);
242 printf("\t%10d rx_maxRtt_Sec\n", a_ovP->rx_maxRtt_Sec);
243 printf("\t%10d rx_maxRtt_Usec\n", a_ovP->rx_maxRtt_Usec);
244 printf("\t%10d rx_nRttSamples\n", a_ovP->rx_nRttSamples);
245 printf("\t%10d rx_nServerConns\n", a_ovP->rx_nServerConns);
246 printf("\t%10d rx_nClientConns\n", a_ovP->rx_nClientConns);
247 printf("\t%10d rx_nPeerStructs\n", a_ovP->rx_nPeerStructs);
248 printf("\t%10d rx_nCallStructs\n", a_ovP->rx_nCallStructs);
249 printf("\t%10d rx_nFreeCallStructs\n\n", a_ovP->rx_nFreeCallStructs);
252 * Host module fields.
254 printf("\t%10d host_NumHostEntries\n", a_ovP->host_NumHostEntries);
255 printf("\t%10d host_HostBlocks\n", a_ovP->host_HostBlocks);
256 printf("\t%10d host_NonDeletedHosts\n", a_ovP->host_NonDeletedHosts);
257 printf("\t%10d host_HostsInSameNetOrSubnet\n",
258 a_ovP->host_HostsInSameNetOrSubnet);
259 printf("\t%10d host_HostsInDiffSubnet\n", a_ovP->host_HostsInDiffSubnet);
260 printf("\t%10d host_HostsInDiffNetwork\n",
261 a_ovP->host_HostsInDiffNetwork);
262 printf("\t%10d host_NumClients\n", a_ovP->host_NumClients);
263 printf("\t%10d host_ClientBlocks\n\n", a_ovP->host_ClientBlocks);
265 printf("\t%10d sysname_ID\n", a_ovP->sysname_ID);
269 /*------------------------------------------------------------------------
273 * Print out the contents of an RPC op timing structure.
276 * a_opIdx : Index of the AFS operation we're printing number on.
277 * a_opTimeP : Ptr to the op timing structure to print.
283 * Nothing interesting.
287 *------------------------------------------------------------------------*/
290 PrintOpTiming(int a_opIdx, struct fs_stats_opTimingData *a_opTimeP)
292 double fSumTime, avg;
295 ((double)(a_opTimeP->sumTime.tv_sec)) +
296 (((double)(a_opTimeP->sumTime.tv_usec)) / ((double)(1000000)));
297 /* printf("Double sum time is %f\n", fSumTime);*/
298 avg = fSumTime / ((double)(a_opTimeP->numSuccesses));
301 ("%15s: %d ops (%d OK); sum=%d.%06d, sqr=%d.%06d, min=%d.%06d, max=%d.%06d\n",
302 opNames[a_opIdx], a_opTimeP->numOps, a_opTimeP->numSuccesses,
303 a_opTimeP->sumTime.tv_sec, a_opTimeP->sumTime.tv_usec,
304 a_opTimeP->sqrTime.tv_sec, a_opTimeP->sqrTime.tv_usec,
305 a_opTimeP->minTime.tv_sec, a_opTimeP->minTime.tv_usec,
306 a_opTimeP->maxTime.tv_sec, a_opTimeP->maxTime.tv_usec);
310 /*------------------------------------------------------------------------
314 * Print out the contents of a data transfer structure.
317 * a_opIdx : Index of the AFS operation we're printing number on.
318 * a_xferP : Ptr to the data transfer structure to print.
324 * Nothing interesting.
328 *------------------------------------------------------------------------*/
331 PrintXferTiming(int a_opIdx, struct fs_stats_xferData *a_xferP)
333 double fSumTime, avg;
336 ((double)(a_xferP->sumTime.tv_sec)) +
337 ((double)(a_xferP->sumTime.tv_usec)) / ((double)(1000000));
339 avg = fSumTime / ((double)(a_xferP->numSuccesses));
342 ("%s: %d xfers (%d OK), time sum=%d.%06d, sqr=%d.%06d, min=%d.%06d, max=%d.%06d\n",
343 xferOpNames[a_opIdx], a_xferP->numXfers, a_xferP->numSuccesses,
344 a_xferP->sumTime.tv_sec, a_xferP->sumTime.tv_usec,
345 a_xferP->sqrTime.tv_sec, a_xferP->sqrTime.tv_usec,
346 a_xferP->minTime.tv_sec, a_xferP->minTime.tv_usec,
347 a_xferP->maxTime.tv_sec, a_xferP->maxTime.tv_usec);
348 printf("\t[bytes: sum=%lu, min=%d, max=%d]\n", a_xferP->sumBytes,
349 a_xferP->minBytes, a_xferP->maxBytes);
351 ("\t[buckets: 0: %d, 1: %d, 2: %d, 3: %d, 4: %d, 5: %d, 6: %d, 7: %d, 8: %d]\n",
352 a_xferP->count[0], a_xferP->count[1], a_xferP->count[2],
353 a_xferP->count[3], a_xferP->count[4], a_xferP->count[5],
354 a_xferP->count[6], a_xferP->count[7], a_xferP->count[8]);
358 /*------------------------------------------------------------------------
359 * PrintDetailedPerfInfo
362 * Print out a set of detailed performance numbers.
365 * a_detP : Ptr to detailed perf numbers to print.
371 * Nothing interesting.
375 *------------------------------------------------------------------------*/
378 PrintDetailedPerfInfo(struct fs_stats_DetailedStats *a_detP)
380 int currIdx; /*Loop variable */
382 printf("\t%10d epoch\n", a_detP->epoch);
384 for (currIdx = 0; currIdx < FS_STATS_NUM_RPC_OPS; currIdx++)
385 PrintOpTiming(currIdx, &(a_detP->rpcOpTimes[currIdx]));
387 for (currIdx = 0; currIdx < FS_STATS_NUM_XFER_OPS; currIdx++)
388 PrintXferTiming(currIdx, &(a_detP->xferOpTimes[currIdx]));
392 /*------------------------------------------------------------------------
396 * Print out the AFS_XSTATSCOLL_FULL_PERF_INFO collection we just
406 * All the info we need is nestled into xstat_fs_Results.
410 *------------------------------------------------------------------------*/
416 static char rn[] = "PrintFullPerfInfo"; /*Routine name */
417 static afs_int32 fullPerfInt32s = (sizeof(struct fs_stats_FullPerfStats) >> 2); /*Correct # int32s to rcv */
418 afs_int32 numInt32s; /*# int32words received */
419 struct fs_stats_FullPerfStats *fullPerfP; /*Ptr to full perf stats */
420 char *printableTime; /*Ptr to printable time
423 numInt32s = xstat_fs_Results.data.AFS_CollData_len;
424 if (numInt32s != fullPerfInt32s) {
425 printf("** Data size mismatch in full performance collection!");
426 printf("** Expecting %d, got %d\n", fullPerfInt32s, numInt32s);
430 printableTime = ctime((time_t *) & (xstat_fs_Results.probeTime));
431 printableTime[strlen(printableTime) - 1] = '\0';
432 fullPerfP = (struct fs_stats_FullPerfStats *)
433 (xstat_fs_Results.data.AFS_CollData_val);
436 ("AFS_XSTATSCOLL_FULL_PERF_INFO (coll %d) for FS %s\n[Probe %d, %s]\n\n",
437 xstat_fs_Results.collectionNumber, xstat_fs_Results.connP->hostName,
438 xstat_fs_Results.probeNum, printableTime);
440 PrintOverallPerfInfo(&(fullPerfP->overall));
441 PrintDetailedPerfInfo(&(fullPerfP->det));
445 /*------------------------------------------------------------------------
449 * Print out the AFS_XSTATSCOLL_PERF_INFO collection we just
459 * All the info we need is nestled into xstat_fs_Results.
463 *------------------------------------------------------------------------*/
468 static char rn[] = "PrintPerfInfo"; /*Routine name */
469 static afs_int32 perfInt32s = (sizeof(struct afs_PerfStats) >> 2); /*Correct # int32s to rcv */
470 afs_int32 numInt32s; /*# int32words received */
471 struct afs_PerfStats *perfP; /*Ptr to performance stats */
472 char *printableTime; /*Ptr to printable time string */
474 numInt32s = xstat_fs_Results.data.AFS_CollData_len;
475 if (numInt32s != perfInt32s) {
476 printf("** Data size mismatch in performance collection!");
477 printf("** Expecting %d, got %d\n", perfInt32s, numInt32s);
481 printableTime = ctime((time_t *) & (xstat_fs_Results.probeTime));
482 printableTime[strlen(printableTime) - 1] = '\0';
483 perfP = (struct afs_PerfStats *)
484 (xstat_fs_Results.data.AFS_CollData_val);
486 printf("AFS_XSTATSCOLL_PERF_INFO (coll %d) for FS %s\n[Probe %d, %s]\n\n",
487 xstat_fs_Results.collectionNumber,
488 xstat_fs_Results.connP->hostName, xstat_fs_Results.probeNum,
491 PrintOverallPerfInfo(perfP);
495 /*------------------------------------------------------------------------
499 * Handler routine passed to the xstat_fs module. This handler is
500 * called immediately after a poll of one of the File Servers has
501 * taken place. All it needs to know is exported by the xstat_fs
502 * module, namely the data structure where the probe results are
513 * See above. All we do now is print out what we got.
517 *------------------------------------------------------------------------*/
522 static char rn[] = "FS_Handler"; /*Routine name */
525 ("\n------------------------------------------------------------\n");
528 * If the probe failed, there isn't much we can do except gripe.
530 if (xstat_fs_Results.probeOK) {
531 printf("%s: Probe %d to File Server '%s' failed, code=%d\n", rn,
532 xstat_fs_Results.probeNum, xstat_fs_Results.connP->hostName,
533 xstat_fs_Results.probeOK);
537 switch (xstat_fs_Results.collectionNumber) {
538 case AFS_XSTATSCOLL_CALL_INFO:
542 case AFS_XSTATSCOLL_PERF_INFO:
546 case AFS_XSTATSCOLL_FULL_PERF_INFO:
551 printf("** Unknown collection: %d\n",
552 xstat_fs_Results.collectionNumber);
556 * Return the happy news.
562 /*------------------------------------------------------------------------
566 * Given a pointer to the list of File Servers we'll be polling
567 * (or, in fact, any list at all), compute the length of the list.
570 * struct cmd_item *a_firstItem : Ptr to first item in list.
573 * Length of the above list.
576 * Nothing interesting.
580 *------------------------------------------------------------------------*/
583 CountListItems(struct cmd_item *a_firstItem)
586 int list_len; /*List length */
587 struct cmd_item *curr_item; /*Ptr to current item */
590 curr_item = a_firstItem;
597 curr_item = curr_item->next;
607 /*------------------------------------------------------------------------
611 * Routine called by the command line interpreter to execute the
612 * meat of the program. We count the number of File Servers
613 * to watch, allocate enough space to remember all the connection
614 * info for them, then go for it.
618 * a_s : Ptr to the command line syntax descriptor.
621 * 0, but may exit the whole program on an error!
624 * Nothing interesting.
628 *------------------------------------------------------------------------*/
631 RunTheTest(struct cmd_syndesc *a_s)
633 static char rn[] = "RunTheTest"; /*Routine name */
634 int code; /*Return code */
635 int numFSs; /*# File Servers to monitor */
636 int numCollIDs; /*# collections to fetch */
637 int currFS; /*Loop index */
638 int currCollIDIdx; /*Index of current collection ID */
639 afs_int32 *collIDP; /*Ptr to array of collection IDs */
640 afs_int32 *currCollIDP; /*Ptr to current collection ID */
641 struct cmd_item *curr_item; /*Current FS cmd line record */
642 struct sockaddr_in FSSktArray[20]; /*File Server socket array - FIX! */
643 struct hostent *he; /*Host entry */
644 struct timeval tv; /*Time structure */
645 int sleep_secs; /*Number of seconds to sleep */
646 int initFlags; /*Flags passed to the init fcn */
647 int waitCode; /*Result of LWP_WaitProcess() */
648 int freq; /*Frequency of polls */
649 int period; /*Time in minutes of data collection */
652 * Are we doing one-shot measurements?
654 if (a_s->parms[P_ONESHOT].items != 0)
658 * Are we doing debugging output?
660 if (a_s->parms[P_DEBUG].items != 0)
664 * Pull out the number of File Servers to watch and the number of
665 * collections to get.
667 numFSs = CountListItems(a_s->parms[P_FS_NAMES].items);
668 numCollIDs = CountListItems(a_s->parms[P_COLL_IDS].items);
670 /* Get the polling frequency */
671 if (a_s->parms[P_FREQUENCY].items != 0)
672 freq = atoi(a_s->parms[P_FREQUENCY].items->data);
674 freq = 30; /* default to 30 seconds */
676 /* Get the time duration to run the tests */
677 if (a_s->parms[P_PERIOD].items != 0)
678 period = atoi(a_s->parms[P_PERIOD].items->data);
680 period = 10; /* default to 10 minutes */
684 * Fill in the socket array for each of the File Servers listed.
686 curr_item = a_s->parms[P_FS_NAMES].items;
687 for (currFS = 0; currFS < numFSs; currFS++) {
688 FSSktArray[currFS].sin_family = htons(AF_INET); /*Internet family */
689 FSSktArray[currFS].sin_port = htons(7000); /*FileServer port */
690 he = hostutil_GetHostByName(curr_item->data);
692 fprintf(stderr, "[%s] Can't get host info for '%s'\n", rn,
696 memcpy(&(FSSktArray[currFS].sin_addr.s_addr), he->h_addr, 4);
699 * Move to the next File Server name.
701 curr_item = curr_item->next;
703 } /*Get socket info for each File Server */
706 * Create and fill up the array of desired collection IDs.
709 printf("Allocating %d long(s) for coll ID\n", numCollIDs);
710 collIDP = (afs_int32 *) (malloc(numCollIDs * sizeof(afs_int32)));
711 currCollIDP = collIDP;
712 curr_item = a_s->parms[P_COLL_IDS].items;
713 for (currCollIDIdx = 0; currCollIDIdx < numCollIDs; currCollIDIdx++) {
714 *currCollIDP = (afs_int32) (atoi(curr_item->data));
716 printf("CollID at index %d is %d\n", currCollIDIdx, *currCollIDP);
717 curr_item = curr_item->next;
722 * Crank up the File Server prober, then sit back and have fun.
724 printf("\nStarting up the xstat_fs service, ");
727 initFlags |= XSTAT_FS_INITFLAG_DEBUGGING;
728 printf("debugging enabled, ");
730 printf("no debugging, ");
732 initFlags |= XSTAT_FS_INITFLAG_ONE_SHOT;
733 printf("one-shot operation\n");
735 printf("continuous operation\n");
737 code = xstat_fs_Init(numFSs, /*Num servers */
738 FSSktArray, /*File Server socket array */
739 freq, /*Probe frequency */
740 FS_Handler, /*Handler routine */
741 initFlags, /*Initialization flags */
742 numCollIDs, /*Number of collection IDs */
743 collIDP); /*Ptr to collection ID array */
745 fprintf(stderr, "[%s] Error returned by xstat_fs_Init: %d\n", rn,
747 xstat_fs_Cleanup(1); /*Get rid of malloc'ed structures */
753 * One-shot operation; just wait for the collection to be done.
756 printf("[%s] Calling LWP_WaitProcess() on event 0x%x\n", rn,
758 waitCode = LWP_WaitProcess(&terminationEvent);
760 printf("[%s] Returned from LWP_WaitProcess()\n", rn);
764 "[%s] Error %d encountered by LWP_WaitProcess()\n",
769 * Continuous operation.
771 sleep_secs = 60 * period; /*length of data collection */
773 ("xstat_fs service started, main thread sleeping for %d secs.\n",
777 * Let's just fall asleep for a while, then we'll clean up.
779 tv.tv_sec = sleep_secs;
781 code = IOMGR_Select(0, /*Num fds */
782 0, /*Descriptors ready for reading */
783 0, /*Descriptors ready for writing */
784 0, /*Descriptors with exceptional conditions */
785 &tv); /*Timeout structure */
788 "[%s] IOMGR_Select() returned non-zero value: %d\n", rn,
794 * We're all done. Clean up, put the last nail in Rx, then
798 printf("\nYawn, main thread just woke up. Cleaning things out...\n");
800 code = xstat_fs_Cleanup(1); /*Get rid of malloc'ed data */
806 #include "AFS_component_version_number.c"
809 main(int argc, char **argv)
811 static char rn[] = "xstat_fs_test"; /*Routine name */
812 register afs_int32 code; /*Return code */
813 struct cmd_syndesc *ts; /*Ptr to cmd line syntax desc */
816 * Set up the commands we understand.
818 ts = cmd_CreateSyntax("initcmd", RunTheTest, 0, "initialize the program");
819 cmd_AddParm(ts, "-fsname", CMD_LIST, CMD_REQUIRED,
820 "File Server name(s) to monitor");
821 cmd_AddParm(ts, "-collID", CMD_LIST, CMD_REQUIRED,
822 "Collection(s) to fetch");
823 cmd_AddParm(ts, "-onceonly", CMD_FLAG, CMD_OPTIONAL,
824 "Collect results exactly once, then quit");
825 cmd_AddParm(ts, "-frequency", CMD_SINGLE, CMD_OPTIONAL,
826 "poll frequency, in seconds");
827 cmd_AddParm(ts, "-period", CMD_SINGLE, CMD_OPTIONAL,
828 "data collection time, in minutes");
829 cmd_AddParm(ts, "-debug", CMD_FLAG, CMD_OPTIONAL,
830 "turn on debugging output");
833 * Parse command-line switches & execute the test, then get the
836 code = cmd_Dispatch(argc, argv);
838 fprintf(stderr, "[%s] Call to cmd_Dispatch() failed; code is %d\n",