2 * Unix SMB/CIFS implementation.
3 * Test module for perfcounters
5 * Copyright (C) Todd Stecher 2008
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
22 #include "smbd/smbd.h"
24 #define PARM_PC_TEST_TYPE "pc_test"
25 #define PARM_DUMPON_COUNT "count"
26 #define PARM_DUMPON_COUNT_DEFAULT 50
28 struct perfcount_test_identity {
34 struct perfcount_test_counter {
42 struct perfcount_test_counter *next;
43 struct perfcount_test_counter *prev;
46 struct perfcount_test_context {
49 struct perfcount_test_identity *id;
50 struct perfcount_test_counter *ops;
54 struct perfcount_test_counter *g_list[MAX_OP];
58 /* determine frequency of dumping results */
61 static void perfcount_test_add_counters(struct perfcount_test_context *ctxt)
63 struct perfcount_test_counter *head;
64 struct perfcount_test_counter *ptc;
65 struct perfcount_test_counter *tmp;
68 for (ptc = ctxt->ops; ptc != NULL; ) {
72 if (ptc->op >= MAX_OP)
75 for (head = g_list[ptc->op]; head != NULL; head = head->next) {
76 if ((ptc->sub_op == head->sub_op) &&
77 (ptc->ioctl == head->ioctl)) {
78 head->bytes_in += ptc->bytes_in;
79 head->bytes_out += ptc->bytes_out;
82 DLIST_REMOVE(ctxt->ops, ptc);
90 /* not in global tracking list - add it */
93 DLIST_REMOVE(ctxt->ops, ptc);
95 DLIST_ADD(g_list[ptc->op], ptc);
104 static void perfcount_test_dump_id(struct perfcount_test_identity *id, int lvl)
109 DEBUG(lvl,("uid - %d\n", id->uid));
110 DEBUG(lvl,("user - %s\n", id->user));
111 DEBUG(lvl,("domain - %s\n", id->domain));
116 static const char *trans_subop_table[] = {
117 "unknown", "trans:create", "trans:ioctl", "trans:set sd",
118 "trans:change notify", "trans: rename", "trans:get sd",
119 "trans:get quota", "trans:set quota"
122 static const char *trans2_subop_table[] = {
123 "trans2:open", "trans2:find first", "trans2:find next",
124 "trans2:q fsinfo", "trans2:set fsinfo", "trans2:q path info",
125 "trans2:set pathinfo", "trans2:fs ctl", "trans2: io ctl",
126 "trans2:find notify first", "trans2:find notify next",
127 "trans2:mkdir", "trans2:sess setup", "trans2:get dfs referral",
128 "trans2:report dfs inconsistent"
131 static const char *smb_subop_name(int op, int subop)
135 if (subop >= sizeof(trans_subop_table) /
136 sizeof(trans_subop_table[0])) {
139 return trans_subop_table[subop];
140 } else if (op == 0x32) {
141 if (subop >= sizeof(trans2_subop_table) /
142 sizeof(trans2_subop_table[0])) {
145 return trans2_subop_table[subop];
151 static void perfcount_test_dump_counter(struct perfcount_test_counter *ptc,
154 DEBUG(lvl, ("OP: %s\n", smb_fn_name(ptc->op)));
155 if (ptc->sub_op > 0) {
156 DEBUG(lvl, ("SUBOP: %s\n",
157 smb_subop_name(ptc->op, ptc->sub_op)));
160 if (ptc->ioctl > 0) {
161 DEBUG(lvl, ("IOCTL: %d\n", ptc->ioctl));
164 DEBUG(lvl, ("Count: %d\n\n", ptc->count));
167 static void perfcount_test_dump_counters(void)
170 struct perfcount_test_counter *head;
172 count_mod = lp_parm_int(0, PARM_PC_TEST_TYPE, PARM_DUMPON_COUNT,
173 PARM_DUMPON_COUNT_DEFAULT);
175 if (count_mod == 0) {
179 if ((count++ % count_mod) != 0)
182 DEBUG(0,("##### Dumping Performance Counters #####\n"));
184 for (i=0; i < MAX_OP; i++) {
185 struct perfcount_test_counter *next;
186 for (head = g_list[i]; head != NULL; head = next) {
188 perfcount_test_dump_counter(head, 0);
196 static void perfcount_test_start(struct smb_perfcount_data *pcd)
198 struct perfcount_test_context *ctxt;
199 struct perfcount_test_counter *ctr;
201 * there shouldn't already be a context here - if so,
202 * there's an unbalanced call to start / end.
205 DEBUG(0,("perfcount_test_start - starting "
206 "initialized context - %p\n", pcd));
210 ctxt = SMB_MALLOC_P(struct perfcount_test_context);
216 /* create 'default' context */
217 ctr = SMB_MALLOC_P(struct perfcount_test_counter);
224 ctr->op = ctr->sub_op = ctr->ioctl = -1;
225 DLIST_ADD(ctxt->ops, ctr);
227 pcd->context = (void*)ctxt;
230 static void perfcount_test_add(struct smb_perfcount_data *pcd)
232 struct perfcount_test_context *ctxt =
233 (struct perfcount_test_context *)pcd->context;
234 struct perfcount_test_counter *ctr;
236 if (pcd->context == NULL)
239 ctr = SMB_MALLOC_P(struct perfcount_test_counter);
244 DLIST_ADD(ctxt->ops, ctr);
248 static void perfcount_test_set_op(struct smb_perfcount_data *pcd, int op)
250 struct perfcount_test_context *ctxt =
251 (struct perfcount_test_context *)pcd->context;
253 if (pcd->context == NULL)
259 static void perfcount_test_set_subop(struct smb_perfcount_data *pcd, int sub_op)
261 struct perfcount_test_context *ctxt =
262 (struct perfcount_test_context *)pcd->context;
264 if (pcd->context == NULL)
267 ctxt->ops->sub_op = sub_op;
270 static void perfcount_test_set_ioctl(struct smb_perfcount_data *pcd, int io_ctl)
272 struct perfcount_test_context *ctxt =
273 (struct perfcount_test_context *)pcd->context;
274 if (pcd->context == NULL)
277 ctxt->ops->ioctl = io_ctl;
280 static void perfcount_test_set_msglen_in(struct smb_perfcount_data *pcd,
283 struct perfcount_test_context *ctxt =
284 (struct perfcount_test_context *)pcd->context;
285 if (pcd->context == NULL)
288 ctxt->ops->bytes_in = bytes_in;
291 static void perfcount_test_set_msglen_out(struct smb_perfcount_data *pcd,
294 struct perfcount_test_context *ctxt =
295 (struct perfcount_test_context *)pcd->context;
297 if (pcd->context == NULL)
300 ctxt->ops->bytes_out = bytes_out;
303 static void perfcount_test_copy_context(struct smb_perfcount_data *pcd,
304 struct smb_perfcount_data *new_pcd)
306 struct perfcount_test_context *ctxt =
307 (struct perfcount_test_context *)pcd->context;
308 struct perfcount_test_context *new_ctxt;
310 struct perfcount_test_counter *ctr;
311 struct perfcount_test_counter *new_ctr;
313 if (pcd->context == NULL)
316 new_ctxt = SMB_MALLOC_P(struct perfcount_test_context);
321 memcpy(new_ctxt, ctxt, sizeof(struct perfcount_test_context));
323 for (ctr = ctxt->ops; ctr != NULL; ctr = ctr->next) {
324 new_ctr = SMB_MALLOC_P(struct perfcount_test_counter);
329 memcpy(new_ctr, ctr, sizeof(struct perfcount_test_counter));
330 new_ctr->next = NULL;
331 new_ctr->prev = NULL;
332 DLIST_ADD(new_ctxt->ops, new_ctr);
335 new_pcd->context = new_ctxt;
340 for (ctr = new_ctxt->ops; ctr != NULL; ) {
350 * For perf reasons, its best to use some global state
351 * when an operation is deferred, we need to alloc a copy.
353 static void perfcount_test_defer_op(struct smb_perfcount_data *pcd,
354 struct smb_perfcount_data *def_pcd)
356 /* we don't do anything special to deferred ops */
360 static void perfcount_test_end(struct smb_perfcount_data *pcd)
362 struct perfcount_test_context *ctxt =
363 (struct perfcount_test_context *)pcd->context;
364 if (pcd->context == NULL)
367 /* @bug - we don't store outbytes right for chained cmds */
368 perfcount_test_add_counters(ctxt);
369 perfcount_test_dump_counters();
375 static struct smb_perfcount_handlers perfcount_test_handlers = {
376 perfcount_test_start,
378 perfcount_test_set_op,
379 perfcount_test_set_subop,
380 perfcount_test_set_ioctl,
381 perfcount_test_set_msglen_in,
382 perfcount_test_set_msglen_out,
383 perfcount_test_copy_context,
384 perfcount_test_defer_op,
388 static_decl_perfcount;
389 NTSTATUS perfcount_test_init(TALLOC_CTX *ctx)
391 return smb_register_perfcounter(SMB_PERFCOUNTER_INTERFACE_VERSION,
392 "pc_test", &perfcount_test_handlers);