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
10 /* statistics-gathering package */
12 #include <afsconfig.h>
13 #include "afs/param.h"
17 #include "afs/sysincludes.h" /*Standard vendor system headers*/
18 #include "afsincludes.h" /*AFS-based standard headers*/
19 #include "afs_stats.h"
21 struct afs_CMStats afs_cmstats;
22 struct afs_stats_CMPerf afs_stats_cmperf;
23 struct afs_stats_CMFullPerf afs_stats_cmfullperf;
24 afs_int32 afs_stats_XferSumBytes[AFS_STATS_NUM_FS_XFER_OPS];
32 * Initialize all of the CM statistics structures.
38 * This routine should only be called once, at initialization time.
40 void afs_InitStats(void)
42 struct afs_stats_opTimingData *opTimeP; /*Ptr to curr timing struct*/
43 struct afs_stats_xferData *xferP; /*Ptr to curr xfer struct*/
44 int currIdx; /*Current index*/
47 * First step is to zero everything out.
49 memset((char *)(&afs_cmstats), 0, sizeof(struct afs_CMStats));
50 memset((char *)(&afs_stats_cmperf), 0, sizeof(struct afs_stats_CMPerf));
51 memset((char *)(&afs_stats_cmfullperf), 0, sizeof(struct afs_stats_CMFullPerf));
54 * Some fields really should be non-zero at the start, so set 'em up.
56 afs_stats_cmperf.srvNumBuckets = NSERVERS;
58 opTimeP = &(afs_stats_cmfullperf.rpc.fsRPCTimes[0]);
59 for (currIdx = 0; currIdx < AFS_STATS_NUM_FS_RPC_OPS; currIdx++, opTimeP++)
60 opTimeP->minTime.tv_sec = 999999;
62 opTimeP = &(afs_stats_cmfullperf.rpc.cmRPCTimes[0]);
63 for (currIdx = 0; currIdx < AFS_STATS_NUM_CM_RPC_OPS; currIdx++, opTimeP++)
64 opTimeP->minTime.tv_sec = 999999;
66 xferP = &(afs_stats_cmfullperf.rpc.fsXferTimes[0]);
67 for (currIdx = 0; currIdx < AFS_STATS_NUM_FS_XFER_OPS; currIdx++, xferP++) {
68 xferP->minTime.tv_sec = 999999;
69 xferP->minBytes = 999999999;
73 void afs_GetCMStat(char **ptr, unsigned *size)
76 AFS_STATCNT(afs_GetCMStat);
77 *ptr = (char *)&afs_cmstats;
78 *size = sizeof(afs_cmstats);
79 #endif /* AFS_NOSTATS */
82 void afs_AddToMean(struct afs_MeanStats *oldMean, afs_int32 newValue)
84 AFS_STATCNT(afs_AddToMean);