VirtualBox

source: vbox/trunk/src/VBox/Main/src-server/solaris/PerformanceSolaris.cpp@ 106061

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1/* $Id: PerformanceSolaris.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
2/** @file
3 * VBox Solaris-specific Performance Classes implementation.
4 */
5
6/*
7 * Copyright (C) 2008-2024 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28#define LOG_GROUP LOG_GROUP_MAIN_PERFORMANCECOLLECTOR
29#undef _FILE_OFFSET_BITS
30#include <procfs.h>
31#include <stdio.h>
32#include <errno.h>
33#include <fcntl.h>
34#include <kstat.h>
35#include <unistd.h>
36#include <sys/sysinfo.h>
37#include <sys/time.h>
38#include <sys/types.h>
39#include <sys/statvfs.h>
40
41#include <iprt/ctype.h>
42#include <iprt/err.h>
43#include <iprt/string.h>
44#include <iprt/alloc.h>
45#include <iprt/param.h>
46#include <iprt/path.h>
47#include <iprt/system.h>
48
49#include "LoggingNew.h"
50#include "Performance.h"
51
52#include <dlfcn.h>
53
54#include <libzfs.h>
55#include <libnvpair.h>
56
57#include <map>
58
59namespace pm {
60
61 typedef libzfs_handle_t *(*PFNZFSINIT)(void);
62 typedef void (*PFNZFSFINI)(libzfs_handle_t *);
63 typedef zfs_handle_t *(*PFNZFSOPEN)(libzfs_handle_t *, const char *, int);
64 typedef void (*PFNZFSCLOSE)(zfs_handle_t *);
65 typedef uint64_t (*PFNZFSPROPGETINT)(zfs_handle_t *, zfs_prop_t);
66 typedef zpool_handle_t *(*PFNZPOOLOPEN)(libzfs_handle_t *, const char *);
67 typedef void (*PFNZPOOLCLOSE)(zpool_handle_t *);
68 typedef nvlist_t *(*PFNZPOOLGETCONFIG)(zpool_handle_t *, nvlist_t **);
69 typedef char *(*PFNZPOOLVDEVNAME)(libzfs_handle_t *, zpool_handle_t *, nvlist_t *, boolean_t);
70
71 typedef std::map<RTCString,RTCString> FsMap;
72
73class CollectorSolaris : public CollectorHAL
74{
75public:
76 CollectorSolaris();
77 virtual ~CollectorSolaris();
78 virtual int getHostMemoryUsage(ULONG *total, ULONG *used, ULONG *available);
79 virtual int getHostFilesystemUsage(const char *name, ULONG *total, ULONG *used, ULONG *available);
80 virtual int getHostDiskSize(const char *name, uint64_t *size);
81 virtual int getProcessMemoryUsage(RTPROCESS process, ULONG *used);
82
83 virtual int getRawHostCpuLoad(uint64_t *user, uint64_t *kernel, uint64_t *idle);
84 virtual int getRawHostNetworkLoad(const char *name, uint64_t *rx, uint64_t *tx);
85 virtual int getRawHostDiskLoad(const char *name, uint64_t *disk_ms, uint64_t *total_ms);
86 virtual int getRawProcessCpuLoad(RTPROCESS process, uint64_t *user, uint64_t *kernel, uint64_t *total);
87
88 virtual int getDiskListByFs(const char *name, DiskList& listUsage, DiskList& listLoad);
89private:
90 static uint32_t getInstance(const char *pszIfaceName, char *pszDevName);
91 uint64_t getZfsTotal(uint64_t cbTotal, const char *szFsType, const char *szFsName);
92 void updateFilesystemMap(void);
93 RTCString physToInstName(const char *pcszPhysName);
94 RTCString pathToInstName(const char *pcszDevPathName);
95 uint64_t wrapCorrection(uint32_t cur, uint64_t prev, const char *name);
96 uint64_t wrapDetection(uint64_t cur, uint64_t prev, const char *name);
97
98 kstat_ctl_t *mKC;
99 kstat_t *mSysPages;
100 kstat_t *mZFSCache;
101
102 void *mZfsSo;
103 libzfs_handle_t *mZfsLib;
104 PFNZFSINIT mZfsInit;
105 PFNZFSFINI mZfsFini;
106 PFNZFSOPEN mZfsOpen;
107 PFNZFSCLOSE mZfsClose;
108 PFNZFSPROPGETINT mZfsPropGetInt;
109 PFNZPOOLOPEN mZpoolOpen;
110 PFNZPOOLCLOSE mZpoolClose;
111 PFNZPOOLGETCONFIG mZpoolGetConfig;
112 PFNZPOOLVDEVNAME mZpoolVdevName;
113
114 FsMap mFsMap;
115 uint32_t mCpus;
116 ULONG totalRAM;
117};
118
119CollectorHAL *createHAL()
120{
121 return new CollectorSolaris();
122}
123
124// Collector HAL for Solaris
125
126
127CollectorSolaris::CollectorSolaris()
128 : mKC(0),
129 mSysPages(0),
130 mZFSCache(0),
131 mZfsLib(0),
132 mCpus(0)
133{
134 if ((mKC = kstat_open()) == 0)
135 {
136 Log(("kstat_open() -> %d\n", errno));
137 return;
138 }
139
140 if ((mSysPages = kstat_lookup(mKC, (char *)"unix", 0, (char *)"system_pages")) == 0)
141 {
142 Log(("kstat_lookup(system_pages) -> %d\n", errno));
143 return;
144 }
145
146 if ((mZFSCache = kstat_lookup(mKC, (char *)"zfs", 0, (char *)"arcstats")) == 0)
147 {
148 Log(("kstat_lookup(system_pages) -> %d\n", errno));
149 }
150
151 /* Try to load libzfs dynamically, it may be missing. */
152 mZfsSo = dlopen("libzfs.so", RTLD_LAZY);
153 if (mZfsSo)
154 {
155 mZfsInit = (PFNZFSINIT)(uintptr_t)dlsym(mZfsSo, "libzfs_init");
156 mZfsFini = (PFNZFSFINI)(uintptr_t)dlsym(mZfsSo, "libzfs_fini");
157 mZfsOpen = (PFNZFSOPEN)(uintptr_t)dlsym(mZfsSo, "zfs_open");
158 mZfsClose = (PFNZFSCLOSE)(uintptr_t)dlsym(mZfsSo, "zfs_close");
159 mZfsPropGetInt = (PFNZFSPROPGETINT)(uintptr_t)dlsym(mZfsSo, "zfs_prop_get_int");
160 mZpoolOpen = (PFNZPOOLOPEN)(uintptr_t)dlsym(mZfsSo, "zpool_open");
161 mZpoolClose = (PFNZPOOLCLOSE)(uintptr_t)dlsym(mZfsSo, "zpool_close");
162 mZpoolGetConfig = (PFNZPOOLGETCONFIG)(uintptr_t)dlsym(mZfsSo, "zpool_get_config");
163 mZpoolVdevName = (PFNZPOOLVDEVNAME)(uintptr_t)dlsym(mZfsSo, "zpool_vdev_name");
164
165 if ( mZfsInit
166 && mZfsOpen
167 && mZfsClose
168 && mZfsPropGetInt
169 && mZpoolOpen
170 && mZpoolClose
171 && mZpoolGetConfig
172 && mZpoolVdevName)
173 mZfsLib = mZfsInit();
174 else
175 LogRel(("Incompatible libzfs? libzfs_init=%p zfs_open=%p zfs_close=%p zfs_prop_get_int=%p\n",
176 mZfsInit, mZfsOpen, mZfsClose, mZfsPropGetInt));
177 }
178
179 updateFilesystemMap();
180 /* Notice that mCpus member will be initialized by HostCpuLoadRaw::init() */
181
182 uint64_t cb;
183 int vrc = RTSystemQueryTotalRam(&cb);
184 if (RT_FAILURE(vrc))
185 totalRAM = 0;
186 else
187 totalRAM = (ULONG)(cb / 1024);
188}
189
190CollectorSolaris::~CollectorSolaris()
191{
192 if (mKC)
193 kstat_close(mKC);
194 /* Not calling libzfs_fini() causes file descriptor leaks (#6788). */
195 if (mZfsFini && mZfsLib)
196 mZfsFini(mZfsLib);
197 if (mZfsSo)
198 dlclose(mZfsSo);
199}
200
201int CollectorSolaris::getRawHostCpuLoad(uint64_t *user, uint64_t *kernel, uint64_t *idle)
202{
203 kstat_t *ksp;
204 uint64_t tmpUser, tmpKernel, tmpIdle;
205 int cpus;
206 cpu_stat_t cpu_stats;
207
208 if (mKC == 0)
209 return VERR_INTERNAL_ERROR;
210
211 tmpUser = tmpKernel = tmpIdle = cpus = 0;
212 for (ksp = mKC->kc_chain; ksp != NULL; ksp = ksp->ks_next) {
213 if (strcmp(ksp->ks_module, "cpu_stat") == 0) {
214 if (kstat_read(mKC, ksp, &cpu_stats) == -1)
215 {
216 Log(("kstat_read() -> %d\n", errno));
217 return VERR_INTERNAL_ERROR;
218 }
219 ++cpus;
220 tmpUser += cpu_stats.cpu_sysinfo.cpu[CPU_USER];
221 tmpKernel += cpu_stats.cpu_sysinfo.cpu[CPU_KERNEL];
222 tmpIdle += cpu_stats.cpu_sysinfo.cpu[CPU_IDLE];
223 }
224 }
225
226 if (cpus == 0)
227 {
228 Log(("no cpu stats found!\n"));
229 return VERR_INTERNAL_ERROR;
230 }
231 else
232 mCpus = cpus;
233
234 if (user) *user = tmpUser;
235 if (kernel) *kernel = tmpKernel;
236 if (idle) *idle = tmpIdle;
237
238 return VINF_SUCCESS;
239}
240
241int CollectorSolaris::getRawProcessCpuLoad(RTPROCESS process, uint64_t *user, uint64_t *kernel, uint64_t *total)
242{
243 int vrc = VINF_SUCCESS;
244 char *pszName;
245 prusage_t prusage;
246
247 RTStrAPrintf(&pszName, "/proc/%d/usage", process);
248 Log(("Opening %s...\n", pszName));
249 int h = open(pszName, O_RDONLY);
250 RTStrFree(pszName);
251
252 if (h != -1)
253 {
254 if (read(h, &prusage, sizeof(prusage)) == sizeof(prusage))
255 {
256 //Assert((pid_t)process == pstatus.pr_pid);
257 //Log(("user=%u kernel=%u total=%u\n", prusage.pr_utime.tv_sec, prusage.pr_stime.tv_sec, prusage.pr_tstamp.tv_sec));
258 /*
259 * The CPU time spent must be adjusted by the number of cores for compatibility with
260 * other platforms (see @bugref{6345}).
261 */
262 Assert(mCpus);
263 if (mCpus)
264 {
265 *user = ((uint64_t)prusage.pr_utime.tv_sec * 1000000000 + prusage.pr_utime.tv_nsec) / mCpus;
266 *kernel = ((uint64_t)prusage.pr_stime.tv_sec * 1000000000 + prusage.pr_stime.tv_nsec) / mCpus;
267 }
268 else
269 *user = *kernel = 0;
270 *total = (uint64_t)prusage.pr_tstamp.tv_sec * 1000000000 + prusage.pr_tstamp.tv_nsec;
271 //Log(("user=%llu kernel=%llu total=%llu\n", *user, *kernel, *total));
272 }
273 else
274 {
275 Log(("read() -> %d\n", errno));
276 vrc = VERR_FILE_IO_ERROR;
277 }
278 close(h);
279 }
280 else
281 {
282 Log(("open() -> %d\n", errno));
283 vrc = VERR_ACCESS_DENIED;
284 }
285
286 return vrc;
287}
288
289int CollectorSolaris::getHostMemoryUsage(ULONG *total, ULONG *used, ULONG *available)
290{
291 AssertReturn(totalRAM, VERR_INTERNAL_ERROR);
292 uint64_t cb;
293 int vrc = RTSystemQueryAvailableRam(&cb);
294 if (RT_SUCCESS(vrc))
295 {
296 *total = totalRAM;
297 *available = (ULONG)RT_MIN(cb / 1024, ~(ULONG)0);
298 *used = *total - *available;
299 }
300 return vrc;
301}
302
303int CollectorSolaris::getProcessMemoryUsage(RTPROCESS process, ULONG *used)
304{
305 int vrc = VINF_SUCCESS;
306 char *pszName = NULL;
307 psinfo_t psinfo;
308
309 RTStrAPrintf(&pszName, "/proc/%d/psinfo", process);
310 Log(("Opening %s...\n", pszName));
311 int h = open(pszName, O_RDONLY);
312 RTStrFree(pszName);
313
314 if (h != -1)
315 {
316 /* psinfo_t keeps growing, so only read what we need to maximize
317 * cross-version compatibility. The structures are compatible. */
318 ssize_t cb = RT_UOFFSETOF(psinfo_t, pr_rssize) + RT_SIZEOFMEMB(psinfo_t, pr_rssize);
319 AssertCompile(RTASSERT_OFFSET_OF(psinfo_t, pr_rssize) > RTASSERT_OFFSET_OF(psinfo_t, pr_pid));
320 if (read(h, &psinfo, cb) == cb)
321 {
322 Assert((pid_t)process == psinfo.pr_pid);
323 *used = (ULONG)RT_MIN(psinfo.pr_rssize, ~(ULONG)0);
324 }
325 else
326 {
327 Log(("read() -> %d\n", errno));
328 vrc = VERR_FILE_IO_ERROR;
329 }
330 close(h);
331 }
332 else
333 {
334 Log(("open() -> %d\n", errno));
335 vrc = VERR_ACCESS_DENIED;
336 }
337
338 return vrc;
339}
340
341uint32_t CollectorSolaris::getInstance(const char *pszIfaceName, char *pszDevName)
342{
343 /*
344 * Get the instance number from the interface name, then clip it off.
345 */
346 int cbInstance = 0;
347 size_t cbIface = strlen(pszIfaceName);
348 const char *pszEnd = pszIfaceName + cbIface - 1;
349 for (size_t i = 0; i < cbIface - 1; i++)
350 {
351 if (!RT_C_IS_DIGIT(*pszEnd))
352 break;
353 cbInstance++;
354 pszEnd--;
355 }
356
357 uint32_t uInstance = RTStrToUInt32(pszEnd + 1);
358 strncpy(pszDevName, pszIfaceName, cbIface - cbInstance);
359 pszDevName[cbIface - cbInstance] = '\0';
360 return uInstance;
361}
362
363uint64_t CollectorSolaris::wrapCorrection(uint32_t cur, uint64_t prev, const char *name)
364{
365 NOREF(name);
366 uint64_t corrected = (prev & 0xffffffff00000000) + cur;
367 if (cur < (prev & 0xffffffff))
368 {
369 /* wrap has occurred */
370 corrected += 0x100000000;
371 LogFlowThisFunc(("Corrected wrap on %s (%u < %u), returned %llu.\n",
372 name, cur, (uint32_t)prev, corrected));
373 }
374 return corrected;
375}
376
377uint64_t CollectorSolaris::wrapDetection(uint64_t cur, uint64_t prev, const char *name)
378{
379 if (cur < prev)
380 LogRelMax(2, ("Detected wrap on %s (%llu < %llu).\n", name, cur, prev));
381 return cur;
382}
383
384/*
385 * WARNING! This function expects the previous values of rx and tx counter to
386 * be passed in as well as returnes new values in the same parameters. This is
387 * needed to provide a workaround for 32-bit counter wrapping.
388 */
389int CollectorSolaris::getRawHostNetworkLoad(const char *name, uint64_t *rx, uint64_t *tx)
390{
391#if ARCH_BITS == 32
392 static bool g_fNotReported = true;
393#endif
394 AssertReturn(strlen(name) < KSTAT_STRLEN, VERR_INVALID_PARAMETER);
395 LogFlowThisFunc(("m=%s i=%d n=%s\n", "link", -1, name));
396 kstat_t *ksAdapter = kstat_lookup(mKC, (char *)"link", -1, (char *)name);
397 if (ksAdapter == 0)
398 {
399 char szModule[KSTAT_STRLEN];
400 uint32_t uInstance = getInstance(name, szModule);
401 LogFlowThisFunc(("m=%s i=%u n=%s\n", szModule, uInstance, "phys"));
402 ksAdapter = kstat_lookup(mKC, szModule, uInstance, (char *)"phys");
403 if (ksAdapter == 0)
404 {
405 LogFlowThisFunc(("m=%s i=%u n=%s\n", szModule, uInstance, name));
406 ksAdapter = kstat_lookup(mKC, szModule, uInstance, (char *)name);
407 if (ksAdapter == 0)
408 {
409 static uint32_t s_tsLogRelLast;
410 uint32_t tsNow = RTTimeProgramSecTS();
411 if ( tsNow < RT_SEC_1HOUR
412 || (tsNow - s_tsLogRelLast >= 60))
413 {
414 s_tsLogRelLast = tsNow;
415 LogRel(("Failed to get network statistics for %s. Max one msg/min.\n", name));
416 }
417 return VERR_INTERNAL_ERROR;
418 }
419 }
420 }
421 if (kstat_read(mKC, ksAdapter, 0) == -1)
422 {
423 LogRel(("kstat_read(adapter) -> %d\n", errno));
424 return VERR_INTERNAL_ERROR;
425 }
426 kstat_named_t *kn;
427 if ((kn = (kstat_named_t *)kstat_data_lookup(ksAdapter, (char *)"rbytes64")) == NULL)
428 {
429 if ((kn = (kstat_named_t *)kstat_data_lookup(ksAdapter, (char *)"rbytes")) == NULL)
430 {
431 LogRel(("kstat_data_lookup(rbytes) -> %d, name=%s\n", errno, name));
432 return VERR_INTERNAL_ERROR;
433 }
434#if ARCH_BITS == 32
435 if (g_fNotReported)
436 {
437 g_fNotReported = false;
438 LogRel(("Failed to locate rbytes64, falling back to 32-bit counters...\n"));
439 }
440 *rx = wrapCorrection(kn->value.ul, *rx, "rbytes");
441#else
442 AssertCompile(sizeof(kn->value.ul) == sizeof(uint64_t));
443 *rx = wrapDetection(kn->value.ul, *rx, "rbytes");
444#endif
445 }
446 else
447 *rx = wrapDetection(kn->value.ull, *rx, "rbytes64");
448 if ((kn = (kstat_named_t *)kstat_data_lookup(ksAdapter, (char *)"obytes64")) == NULL)
449 {
450 if ((kn = (kstat_named_t *)kstat_data_lookup(ksAdapter, (char *)"obytes")) == NULL)
451 {
452 LogRel(("kstat_data_lookup(obytes) -> %d\n", errno));
453 return VERR_INTERNAL_ERROR;
454 }
455#if ARCH_BITS == 32
456 if (g_fNotReported)
457 {
458 g_fNotReported = false;
459 LogRel(("Failed to locate obytes64, falling back to 32-bit counters...\n"));
460 }
461 *tx = wrapCorrection(kn->value.ul, *tx, "obytes");
462#else
463 AssertCompile(sizeof(kn->value.ul) == sizeof(uint64_t));
464 *tx = wrapDetection(kn->value.ul, *tx, "obytes");
465#endif
466 }
467 else
468 *tx = wrapDetection(kn->value.ull, *tx, "obytes64");
469 return VINF_SUCCESS;
470}
471
472int CollectorSolaris::getRawHostDiskLoad(const char *name, uint64_t *disk_ms, uint64_t *total_ms)
473{
474 int vrc = VINF_SUCCESS;
475 AssertReturn(strlen(name) < KSTAT_STRLEN, VERR_INVALID_PARAMETER);
476 LogFlowThisFunc(("n=%s\n", name));
477 kstat_t *ksDisk = kstat_lookup(mKC, NULL, -1, (char *)name);
478 if (ksDisk != 0)
479 {
480 if (kstat_read(mKC, ksDisk, 0) == -1)
481 {
482 LogRel(("kstat_read(%s) -> %d\n", name, errno));
483 vrc = VERR_INTERNAL_ERROR;
484 }
485 else
486 {
487 kstat_io_t *ksIo = KSTAT_IO_PTR(ksDisk);
488 /*
489 * We do not care for wrap possibility here, although we may
490 * reconsider in about 300 years (9223372036854775807 ns).
491 */
492 *disk_ms = ksIo->rtime / 1000000;
493 *total_ms = ksDisk->ks_snaptime / 1000000;
494 }
495 }
496 else
497 {
498 LogRel(("kstat_lookup(%s) -> %d\n", name, errno));
499 vrc = VERR_INTERNAL_ERROR;
500 }
501
502 return vrc;
503}
504
505uint64_t CollectorSolaris::getZfsTotal(uint64_t cbTotal, const char *szFsType, const char *szFsName)
506{
507 if (strcmp(szFsType, "zfs"))
508 return cbTotal;
509 FsMap::iterator it = mFsMap.find(szFsName);
510 if (it == mFsMap.end())
511 return cbTotal;
512
513 char *pszDataset = strdup(it->second.c_str());
514 char *pszEnd = pszDataset + strlen(pszDataset);
515 uint64_t uAvail = 0;
516 while (pszEnd)
517 {
518 zfs_handle_t *hDataset;
519
520 *pszEnd = 0;
521 hDataset = mZfsOpen(mZfsLib, pszDataset, ZFS_TYPE_DATASET);
522 if (!hDataset)
523 break;
524
525 if (uAvail == 0)
526 {
527 uAvail = mZfsPropGetInt(hDataset, ZFS_PROP_REFQUOTA);
528 if (uAvail == 0)
529 uAvail = UINT64_MAX;
530 }
531
532 uint64_t uQuota = mZfsPropGetInt(hDataset, ZFS_PROP_QUOTA);
533 if (uQuota && uAvail > uQuota)
534 uAvail = uQuota;
535
536 pszEnd = strrchr(pszDataset, '/');
537 if (!pszEnd)
538 {
539 uint64_t uPoolSize = mZfsPropGetInt(hDataset, ZFS_PROP_USED) +
540 mZfsPropGetInt(hDataset, ZFS_PROP_AVAILABLE);
541 if (uAvail > uPoolSize)
542 uAvail = uPoolSize;
543 }
544 mZfsClose(hDataset);
545 }
546 free(pszDataset);
547
548 return uAvail ? uAvail : cbTotal;
549}
550
551int CollectorSolaris::getHostFilesystemUsage(const char *path, ULONG *total, ULONG *used, ULONG *available)
552{
553 struct statvfs64 stats;
554
555 if (statvfs64(path, &stats) == -1)
556 {
557 LogRel(("Failed to collect %s filesystem usage: errno=%d.\n", path, errno));
558 return VERR_ACCESS_DENIED;
559 }
560 uint64_t cbBlock = stats.f_frsize ? stats.f_frsize : stats.f_bsize;
561 *total = (ULONG)(getZfsTotal(cbBlock * stats.f_blocks, stats.f_basetype, path) / _1M);
562 LogFlowThisFunc(("f_blocks=%llu.\n", stats.f_blocks));
563 *used = (ULONG)(cbBlock * (stats.f_blocks - stats.f_bfree) / _1M);
564 *available = (ULONG)(cbBlock * stats.f_bavail / _1M);
565
566 return VINF_SUCCESS;
567}
568
569int CollectorSolaris::getHostDiskSize(const char *name, uint64_t *size)
570{
571 int vrc = VINF_SUCCESS;
572 AssertReturn(strlen(name) + 5 < KSTAT_STRLEN, VERR_INVALID_PARAMETER);
573 LogFlowThisFunc(("n=%s\n", name));
574 char szName[KSTAT_STRLEN];
575 strcpy(szName, name);
576 strcat(szName, ",err");
577 kstat_t *ksDisk = kstat_lookup(mKC, NULL, -1, szName);
578 if (ksDisk != 0)
579 {
580 if (kstat_read(mKC, ksDisk, 0) == -1)
581 {
582 LogRel(("kstat_read(%s) -> %d\n", name, errno));
583 vrc = VERR_INTERNAL_ERROR;
584 }
585 else
586 {
587 kstat_named_t *kn;
588 if ((kn = (kstat_named_t *)kstat_data_lookup(ksDisk, (char *)"Size")) == 0)
589 {
590 LogRel(("kstat_data_lookup(rbytes) -> %d, name=%s\n", errno, name));
591 return VERR_INTERNAL_ERROR;
592 }
593 *size = kn->value.ull;
594 }
595 }
596 else
597 {
598 LogRel(("kstat_lookup(%s) -> %d\n", szName, errno));
599 vrc = VERR_INTERNAL_ERROR;
600 }
601
602
603 return vrc;
604}
605
606RTCString CollectorSolaris::physToInstName(const char *pcszPhysName)
607{
608 FILE *fp = fopen("/etc/path_to_inst", "r");
609 if (!fp)
610 return RTCString();
611
612 RTCString strInstName;
613 size_t cbName = strlen(pcszPhysName);
614 char szBuf[RTPATH_MAX];
615 while (fgets(szBuf, sizeof(szBuf), fp))
616 {
617 if (szBuf[0] == '"' && strncmp(szBuf + 1, pcszPhysName, cbName) == 0)
618 {
619 char *pszDriver, *pszInstance;
620 pszDriver = strrchr(szBuf, '"');
621 if (pszDriver)
622 {
623 *pszDriver = '\0';
624 pszDriver = strrchr(szBuf, '"');
625 if (pszDriver)
626 {
627 *pszDriver++ = '\0';
628 pszInstance = strrchr(szBuf, ' ');
629 if (pszInstance)
630 {
631 *pszInstance = '\0';
632 pszInstance = strrchr(szBuf, ' ');
633 if (pszInstance)
634 {
635 *pszInstance++ = '\0';
636 strInstName = pszDriver;
637 strInstName += pszInstance;
638 break;
639 }
640 }
641 }
642 }
643 }
644 }
645 fclose(fp);
646
647 return strInstName;
648}
649
650RTCString CollectorSolaris::pathToInstName(const char *pcszDevPathName)
651{
652 char szLink[RTPATH_MAX];
653 if (readlink(pcszDevPathName, szLink, sizeof(szLink)) != -1)
654 {
655 char *pszStart, *pszEnd;
656 pszStart = strstr(szLink, "/devices/");
657 pszEnd = strrchr(szLink, ':');
658 if (pszStart && pszEnd)
659 {
660 pszStart += 8; // Skip "/devices"
661 *pszEnd = '\0'; // Trim partition
662 return physToInstName(pszStart);
663 }
664 }
665
666 return RTCString(pcszDevPathName);
667}
668
669int CollectorSolaris::getDiskListByFs(const char *name, DiskList& listUsage, DiskList& listLoad)
670{
671 FsMap::iterator it = mFsMap.find(name);
672 if (it == mFsMap.end())
673 return VERR_INVALID_PARAMETER;
674
675 RTCString strName = it->second.substr(0, it->second.find("/"));
676 if (mZpoolOpen && mZpoolClose && mZpoolGetConfig && !strName.isEmpty())
677 {
678 zpool_handle_t *zh = mZpoolOpen(mZfsLib, strName.c_str());
679 if (zh)
680 {
681 unsigned int cChildren = 0;
682 nvlist_t **nvChildren = NULL;
683 nvlist_t *nvRoot = NULL;
684 nvlist_t *nvConfig = mZpoolGetConfig(zh, NULL);
685 if ( !nvlist_lookup_nvlist(nvConfig, ZPOOL_CONFIG_VDEV_TREE, &nvRoot)
686 && !nvlist_lookup_nvlist_array(nvRoot, ZPOOL_CONFIG_CHILDREN, &nvChildren, &cChildren))
687 {
688 for (unsigned int i = 0; i < cChildren; ++i)
689 {
690 uint64_t fHole = 0;
691 uint64_t fLog = 0;
692
693 nvlist_lookup_uint64(nvChildren[i], ZPOOL_CONFIG_IS_HOLE, &fHole);
694 nvlist_lookup_uint64(nvChildren[i], ZPOOL_CONFIG_IS_LOG, &fLog);
695
696 if (!fHole && !fLog)
697 {
698 char *pszChildName = mZpoolVdevName(mZfsLib, zh, nvChildren[i], _B_FALSE);
699 Assert(pszChildName);
700 RTCString strDevPath("/dev/dsk/");
701 strDevPath += pszChildName;
702 char szLink[RTPATH_MAX];
703 if (readlink(strDevPath.c_str(), szLink, sizeof(szLink)) != -1)
704 {
705 char *pszStart, *pszEnd;
706 pszStart = strstr(szLink, "/devices/");
707 pszEnd = strrchr(szLink, ':');
708 if (pszStart && pszEnd)
709 {
710 pszStart += 8; // Skip "/devices"
711 *pszEnd = '\0'; // Trim partition
712 listUsage.push_back(physToInstName(pszStart));
713 }
714 }
715 free(pszChildName);
716 }
717 }
718 }
719 mZpoolClose(zh);
720 }
721 }
722 else
723 listUsage.push_back(pathToInstName(it->second.c_str()));
724 listLoad = listUsage;
725 return VINF_SUCCESS;
726}
727
728void CollectorSolaris::updateFilesystemMap(void)
729{
730 FILE *fp = fopen("/etc/mnttab", "r");
731 if (fp)
732 {
733 struct mnttab Entry;
734 int iRc = 0;
735 resetmnttab(fp);
736 while ((iRc = getmntent(fp, &Entry)) == 0)
737 mFsMap[Entry.mnt_mountp] = Entry.mnt_special;
738 fclose(fp);
739 if (iRc != -1)
740 LogRel(("Error while reading mnttab: %d\n", iRc));
741 }
742}
743
744}
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