1 /*****************************************************************************
2 * RRDtool 1.2.6 Copyright by Tobi Oetiker, 1997-2005
3 *****************************************************************************
4 * change header parameters of an rrd
5 *****************************************************************************
8 * Revision 1.6 2004/05/26 22:11:12 oetiker
9 * reduce compiler warnings. Many small fixes. -- Mike Slifcak <slif@bellsouth.net>
11 * Revision 1.5 2002/02/01 20:34:49 oetiker
12 * fixed version number and date/time
14 * Revision 1.4 2001/08/22 22:29:07 jake
15 * Contents of this patch:
16 * (1) Adds/revises documentation for rrd tune in rrd_tool.c and pod files.
17 * (2) Moves some initialization code from rrd_create.c to rrd_hw.c.
18 * (3) Adds another pass to smoothing for SEASONAL and DEVSEASONAL RRAs.
19 * This pass computes the coefficients as deviations from an average; the
20 * average is added the baseline coefficient of HWPREDICT. Statistical texts
21 * suggest this to preserve algorithm stability. It will not invalidate
22 * RRD files created and smoothed with the old code.
23 * (4) Adds the aberrant-reset flag to rrd tune. This operation, which is
24 * specified for a single data source, causes the holt-winters algorithm to
25 * forget everthing it has learned and start over.
26 * (5) Fixes a few out-of-date code comments.
28 * Revision 1.3 2001/03/07 21:21:54 oetiker
29 * complete rewrite of rrdgraph documentation. This also includs info
30 * on upcomming/planned changes to the rrdgraph interface and functionality
31 * -- Alex van den Bogaerdt <alex@slot.hollandcasino.nl>
33 * Revision 1.2 2001/03/04 13:01:55 oetiker
34 * Aberrant Behavior Detection support. A brief overview added to rrdtool.pod.
35 * Major updates to rrd_update.c, rrd_create.c. Minor update to other core files.
36 * This is backwards compatible! But new files using the Aberrant stuff are not readable
37 * by old rrdtool versions. See http://cricket.sourceforge.net/aberrant/rrd_hw.htm
38 * -- Jake Brutlag <jakeb@corp.webtv.net>
40 *****************************************************************************/
43 #include "rrd_rpncalc.h"
46 int set_hwarg(rrd_t *rrd,enum cf_en cf,enum rra_par_en rra_par,char *arg);
47 int set_deltaarg(rrd_t *rrd,enum rra_par_en rra_par,char *arg);
48 int set_windowarg(rrd_t *rrd,enum rra_par_en,char *arg);
51 rrd_tune(int argc, char **argv)
58 char ds_nam[DS_NAM_SIZE];
59 char ds_new[DS_NAM_SIZE];
64 optind = 0; opterr = 0; /* initialize getopt */
67 if(rrd_open(argv[1],&rrd_file,&rrd, RRD_READWRITE)==-1){
73 static struct option long_options[] =
75 {"heartbeat", required_argument, 0, 'h'},
76 {"minimum", required_argument, 0, 'i'},
77 {"maximum", required_argument, 0, 'a'},
78 {"data-source-type", required_argument, 0, 'd'},
79 {"data-source-rename", required_argument, 0, 'r'},
80 /* added parameter tuning options for aberrant behavior detection */
81 {"deltapos",required_argument,0,'p'},
82 {"deltaneg",required_argument,0,'n'},
83 {"window-length",required_argument,0,'w'},
84 {"failure-threshold",required_argument,0,'f'},
85 {"alpha",required_argument,0,'x'},
86 {"beta",required_argument,0,'y'},
87 {"gamma",required_argument,0,'z'},
88 {"gamma-deviation",required_argument,0,'v'},
89 {"aberrant-reset",required_argument,0,'b'},
94 opt = getopt_long(argc, argv, "h:i:a:d:r:p:n:w:f:x:y:z:v:b:",
95 long_options, &option_index);
102 if ((matches = sscanf(optarg, DS_NAM_FMT ":%ld",ds_nam,&heartbeat)) != 2){
103 rrd_set_error("invalid arguments for heartbeat");
108 if ((ds=ds_match(&rrd,ds_nam))==-1){
113 rrd.ds_def[ds].par[DS_mrhb_cnt].u_cnt = heartbeat;
117 if ((matches = sscanf(optarg,DS_NAM_FMT ":%lf",ds_nam,&min)) <1){
118 rrd_set_error("invalid arguments for minimum ds value");
123 if ((ds=ds_match(&rrd,ds_nam))==-1){
131 rrd.ds_def[ds].par[DS_min_val].u_val = min;
135 if ((matches = sscanf(optarg, DS_NAM_FMT ":%lf",ds_nam,&max)) <1){
136 rrd_set_error("invalid arguments for maximum ds value");
141 if ((ds=ds_match(&rrd,ds_nam))==-1){
148 rrd.ds_def[ds].par[DS_max_val].u_val = max;
152 if ((matches = sscanf(optarg, DS_NAM_FMT ":" DST_FMT ,ds_nam,dst)) != 2){
153 rrd_set_error("invalid arguments for data source type");
158 if ((ds=ds_match(&rrd,ds_nam))==-1){
163 if ((int)dst_conv(dst) == -1){
168 strncpy(rrd.ds_def[ds].dst,dst,DST_SIZE-1);
169 rrd.ds_def[ds].dst[DST_SIZE-1]='\0';
171 rrd.pdp_prep[ds].last_ds[0] = 'U';
172 rrd.pdp_prep[ds].last_ds[1] = 'N';
173 rrd.pdp_prep[ds].last_ds[2] = 'K';
174 rrd.pdp_prep[ds].last_ds[3] = 'N';
175 rrd.pdp_prep[ds].last_ds[4] = '\0';
180 sscanf(optarg,DS_NAM_FMT ":" DS_NAM_FMT , ds_nam,ds_new)) != 2){
181 rrd_set_error("invalid arguments for data source type");
186 if ((ds=ds_match(&rrd,ds_nam))==-1){
191 strncpy(rrd.ds_def[ds].ds_nam,ds_new,DS_NAM_SIZE-1);
192 rrd.ds_def[ds].ds_nam[DS_NAM_SIZE-1]='\0';
195 if (set_deltaarg(&rrd,RRA_delta_pos,optarg)) {
201 if (set_deltaarg(&rrd,RRA_delta_neg,optarg)) {
207 if (set_windowarg(&rrd,RRA_failure_threshold,optarg)) {
213 if (set_windowarg(&rrd,RRA_window_len,optarg)) {
219 if (set_hwarg(&rrd,CF_HWPREDICT,RRA_hw_alpha,optarg)) {
225 if (set_hwarg(&rrd,CF_HWPREDICT,RRA_hw_beta,optarg)) {
231 if (set_hwarg(&rrd,CF_SEASONAL,RRA_seasonal_gamma,optarg)) {
237 if (set_hwarg(&rrd,CF_DEVSEASONAL,RRA_seasonal_gamma,optarg)) {
243 if (sscanf(optarg,DS_NAM_FMT,ds_nam) != 1){
244 rrd_set_error("invalid argument for aberrant-reset");
249 if ((ds=ds_match(&rrd,ds_nam))==-1){
250 /* ds_match handles it own errors */
255 reset_aberrant_coefficients(&rrd,rrd_file,(unsigned long) ds);
256 if (rrd_test_error()) {
264 rrd_set_error("unknown option '%c'", optopt);
266 rrd_set_error("unknown option '%s'",argv[optind-1]);
274 fseek(rrd_file,0,SEEK_SET);
275 fwrite(rrd.stat_head,
276 sizeof(stat_head_t),1, rrd_file);
278 sizeof(ds_def_t), rrd.stat_head->ds_cnt, rrd_file);
279 /* need to write rra_defs for RRA parameter changes */
280 fwrite(rrd.rra_def, sizeof(rra_def_t), rrd.stat_head->rra_cnt,
284 for(i=0;i< (int)rrd.stat_head->ds_cnt;i++)
285 if (dst_conv(rrd.ds_def[i].dst) != DST_CDEF) {
286 printf("DS[%s] typ: %s\thbt: %ld\tmin: %1.4f\tmax: %1.4f\n",
287 rrd.ds_def[i].ds_nam,
289 rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt,
290 rrd.ds_def[i].par[DS_min_val].u_val,
291 rrd.ds_def[i].par[DS_max_val].u_val);
294 rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),rrd.ds_def,&buffer);
295 printf("DS[%s] typ: %s\tcdef: %s\n", rrd.ds_def[i].ds_nam,rrd.ds_def[i].dst,buffer);
304 int set_hwarg(rrd_t *rrd,enum cf_en cf,enum rra_par_en rra_par,char *arg)
308 signed short rra_idx = -1;
311 if (param <= 0.0 || param >= 1.0)
313 rrd_set_error("Holt-Winters parameter must be between 0 and 1");
316 /* does the appropriate RRA exist? */
317 for (i = 0; i < rrd -> stat_head -> rra_cnt; ++i)
319 if (cf_conv(rrd -> rra_def[i].cf_nam) == cf)
327 rrd_set_error("Holt-Winters RRA does not exist in this RRD");
332 rrd -> rra_def[rra_idx].par[rra_par].u_val = param;
336 int set_deltaarg(rrd_t *rrd,enum rra_par_en rra_par,char *arg)
340 signed short rra_idx = -1;
345 rrd_set_error("Parameter specified is too small");
348 /* does the appropriate RRA exist? */
349 for (i = 0; i < rrd -> stat_head -> rra_cnt; ++i)
351 if (cf_conv(rrd -> rra_def[i].cf_nam) == CF_FAILURES)
359 rrd_set_error("Failures RRA does not exist in this RRD");
364 rrd -> rra_def[rra_idx].par[rra_par].u_val = param;
368 int set_windowarg(rrd_t *rrd,enum rra_par_en rra_par,char *arg)
371 unsigned long i, cdp_idx;
372 signed short rra_idx = -1;
375 if (param < 1 || param > MAX_FAILURES_WINDOW_LEN)
377 rrd_set_error("Parameter must be between %d and %d",
378 1, MAX_FAILURES_WINDOW_LEN);
381 /* does the appropriate RRA exist? */
382 for (i = 0; i < rrd -> stat_head -> rra_cnt; ++i)
384 if (cf_conv(rrd -> rra_def[i].cf_nam) == CF_FAILURES)
392 rrd_set_error("Failures RRA does not exist in this RRD");
397 rrd -> rra_def[rra_idx].par[rra_par].u_cnt = param;
399 /* erase existing violations */
400 for (i = 0; i < rrd -> stat_head -> ds_cnt; i++)
402 cdp_idx = rra_idx * (rrd -> stat_head -> ds_cnt) + i;
403 erase_violations(rrd,cdp_idx,rra_idx);