gprofng/src/Exp_Layout.cc

   1 /* Copyright (C) 2021 Free Software Foundation, Inc.
   2    Contributed by Oracle.
   3
   4    This file is part of GNU Binutils.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21 #include "config.h"
  22 #include "CallStack.h"
  23 #include "DbeSession.h"
  24 #include "Exp_Layout.h"
  25 #include "Experiment.h"
  26 #include "Function.h"
  27 #include "Table.h"
  28 #include "dbe_types.h"
  29 #include "util.h"
  30
  31 /*
  32  * PrUsage is a class which wraps access to the values of prusage
  33  * system structure. It was expanded to 64 bit entities in 2.7
  34  * (experiment version 6 & 7).
  35  */
  36 PrUsage::PrUsage ()
  37 {
  38   pr_tstamp = pr_create = pr_term = pr_rtime = (hrtime_t) 0;
  39   pr_utime = pr_stime = pr_ttime = pr_tftime = pr_dftime = (hrtime_t) 0;
  40   pr_kftime = pr_ltime = pr_slptime = pr_wtime = pr_stoptime = (hrtime_t) 0;
  41
  42   pr_minf = pr_majf = pr_nswap = pr_inblk = pr_oublk = 0;
  43   pr_msnd = pr_mrcv = pr_sigs = pr_vctx = pr_ictx = pr_sysc = pr_ioch = 0;
  44 }
  45
  46 /*
  47  * Resource usage.  /proc/<pid>/usage /proc/<pid>/lwp/<lwpid>/lwpusage
  48  */
  49 struct timestruc_32
  50 { /* v8 timestruc_t */
  51   uint32_t tv_sec;              /* seconds */
  52   uint32_t tv_nsec;             /* and nanoseconds */
  53 };
  54
  55 typedef struct ana_prusage
  56 {
  57   id_t pr_lwpid;                /* lwp id.  0: process or defunct */
  58   int pr_count;                 /* number of contributing lwps */
  59   timestruc_32 pr_tstamp;       /* current time stamp */
  60   timestruc_32 pr_create;       /* process/lwp creation time stamp */
  61   timestruc_32 pr_term;         /* process/lwp termination time stamp */
  62   timestruc_32 pr_rtime;        /* total lwp real (elapsed) time */
  63   timestruc_32 pr_utime;        /* user level cpu time */
  64   timestruc_32 pr_stime;        /* system call cpu time */
  65   timestruc_32 pr_ttime;        /* other system trap cpu time */
  66   timestruc_32 pr_tftime;       /* text page fault sleep time */
  67   timestruc_32 pr_dftime;       /* data page fault sleep time */
  68   timestruc_32 pr_kftime;       /* kernel page fault sleep time */
  69   timestruc_32 pr_ltime;        /* user lock wait sleep time */
  70   timestruc_32 pr_slptime;      /* all other sleep time */
  71   timestruc_32 pr_wtime;        /* wait-cpu (latency) time */
  72   timestruc_32 pr_stoptime;     /* stopped time */
  73   timestruc_32 filltime[6];     /* filler for future expansion */
  74   uint32_t pr_minf;             /* minor page faults */
  75   uint32_t pr_majf;             /* major page faults */
  76   uint32_t pr_nswap;            /* swaps */
  77   uint32_t pr_inblk;            /* input blocks */
  78   uint32_t pr_oublk;            /* output blocks */
  79   uint32_t pr_msnd;             /* messages sent */
  80   uint32_t pr_mrcv;             /* messages received */
  81   uint32_t pr_sigs;             /* signals received */
  82   uint32_t pr_vctx;             /* voluntary context switches */
  83   uint32_t pr_ictx;             /* involuntary context switches */
  84   uint32_t pr_sysc;             /* system calls */
  85   uint32_t pr_ioch;             /* chars read and written */
  86   uint32_t filler[10];          /* filler for future expansion */
  87 } raw_prusage_32;
  88
  89 uint64_t
  90 PrUsage::bind32Size ()
  91 {
  92   uint64_t bindSize = sizeof (raw_prusage_32);
  93   return bindSize;
  94 }
  95
  96 #define timestruc2hr(x) ((hrtime_t)(x).tv_sec*NANOSEC + (hrtime_t)(x).tv_nsec)
  97
  98 PrUsage *
  99 PrUsage::bind32 (void *p, bool need_swap_endian)
 100 {
 101   if (p == NULL)
 102     return NULL;
 103   raw_prusage_32 pu, *tmp = (raw_prusage_32*) p;
 104   if (need_swap_endian)
 105     {
 106       pu = *tmp;
 107       tmp = &pu;
 108       SWAP_ENDIAN (pu.pr_tstamp.tv_sec);
 109       SWAP_ENDIAN (pu.pr_tstamp.tv_nsec);
 110       SWAP_ENDIAN (pu.pr_create.tv_sec);
 111       SWAP_ENDIAN (pu.pr_create.tv_nsec);
 112       SWAP_ENDIAN (pu.pr_term.tv_sec);
 113       SWAP_ENDIAN (pu.pr_term.tv_nsec);
 114       SWAP_ENDIAN (pu.pr_rtime.tv_sec);
 115       SWAP_ENDIAN (pu.pr_rtime.tv_nsec);
 116       SWAP_ENDIAN (pu.pr_utime.tv_sec);
 117       SWAP_ENDIAN (pu.pr_utime.tv_nsec);
 118       SWAP_ENDIAN (pu.pr_stime.tv_sec);
 119       SWAP_ENDIAN (pu.pr_stime.tv_nsec);
 120       SWAP_ENDIAN (pu.pr_ttime.tv_sec);
 121       SWAP_ENDIAN (pu.pr_ttime.tv_nsec);
 122       SWAP_ENDIAN (pu.pr_tftime.tv_sec);
 123       SWAP_ENDIAN (pu.pr_tftime.tv_nsec);
 124       SWAP_ENDIAN (pu.pr_dftime.tv_sec);
 125       SWAP_ENDIAN (pu.pr_dftime.tv_nsec);
 126       SWAP_ENDIAN (pu.pr_kftime.tv_sec);
 127       SWAP_ENDIAN (pu.pr_kftime.tv_nsec);
 128       SWAP_ENDIAN (pu.pr_ltime.tv_sec);
 129       SWAP_ENDIAN (pu.pr_ltime.tv_nsec);
 130       SWAP_ENDIAN (pu.pr_slptime.tv_sec);
 131       SWAP_ENDIAN (pu.pr_slptime.tv_nsec);
 132       SWAP_ENDIAN (pu.pr_wtime.tv_sec);
 133       SWAP_ENDIAN (pu.pr_wtime.tv_nsec);
 134       SWAP_ENDIAN (pu.pr_stoptime.tv_sec);
 135       SWAP_ENDIAN (pu.pr_stoptime.tv_nsec);
 136       SWAP_ENDIAN (pu.pr_minf);
 137       SWAP_ENDIAN (pu.pr_majf);
 138       SWAP_ENDIAN (pu.pr_nswap);
 139       SWAP_ENDIAN (pu.pr_inblk);
 140       SWAP_ENDIAN (pu.pr_oublk);
 141       SWAP_ENDIAN (pu.pr_msnd);
 142       SWAP_ENDIAN (pu.pr_mrcv);
 143       SWAP_ENDIAN (pu.pr_sigs);
 144       SWAP_ENDIAN (pu.pr_vctx);
 145       SWAP_ENDIAN (pu.pr_ictx);
 146       SWAP_ENDIAN (pu.pr_sysc);
 147       SWAP_ENDIAN (pu.pr_ioch);
 148     }
 149   pr_tstamp = timestruc2hr (tmp->pr_tstamp);
 150   pr_create = timestruc2hr (tmp->pr_create);
 151   pr_term = timestruc2hr (tmp->pr_term);
 152   pr_rtime = timestruc2hr (tmp->pr_rtime);
 153   pr_utime = timestruc2hr (tmp->pr_utime);
 154   pr_stime = timestruc2hr (tmp->pr_stime);
 155   pr_ttime = timestruc2hr (tmp->pr_ttime);
 156   pr_tftime = timestruc2hr (tmp->pr_tftime);
 157   pr_dftime = timestruc2hr (tmp->pr_dftime);
 158   pr_kftime = timestruc2hr (tmp->pr_kftime);
 159   pr_ltime = timestruc2hr (tmp->pr_ltime);
 160   pr_slptime = timestruc2hr (tmp->pr_slptime);
 161   pr_wtime = timestruc2hr (tmp->pr_wtime);
 162   pr_stoptime = timestruc2hr (tmp->pr_stoptime);
 163   pr_minf = tmp->pr_minf;
 164   pr_majf = tmp->pr_majf;
 165   pr_nswap = tmp->pr_nswap;
 166   pr_inblk = tmp->pr_inblk;
 167   pr_oublk = tmp->pr_oublk;
 168   pr_msnd = tmp->pr_msnd;
 169   pr_mrcv = tmp->pr_mrcv;
 170   pr_sigs = tmp->pr_sigs;
 171   pr_vctx = tmp->pr_vctx;
 172   pr_ictx = tmp->pr_ictx;
 173   pr_sysc = tmp->pr_sysc;
 174   pr_ioch = tmp->pr_ioch;
 175   return this;
 176 }
 177
 178 struct timestruc_64
 179 { /* 64-bit timestruc_t */
 180   uint64_t tv_sec;          /* seconds */
 181   uint64_t tv_nsec;         /* and nanoseconds */
 182 };
 183
 184 typedef struct
 185 {
 186   id_t pr_lwpid;            /* lwp id.  0: process or defunct */
 187   int pr_count;             /* number of contributing lwps */
 188   timestruc_64 pr_tstamp;   /* current time stamp */
 189   timestruc_64 pr_create;   /* process/lwp creation time stamp */
 190   timestruc_64 pr_term;     /* process/lwp termination time stamp */
 191   timestruc_64 pr_rtime;    /* total lwp real (elapsed) time */
 192   timestruc_64 pr_utime;    /* user level cpu time */
 193   timestruc_64 pr_stime;    /* system call cpu time */
 194   timestruc_64 pr_ttime;    /* other system trap cpu time */
 195   timestruc_64 pr_tftime;   /* text page fault sleep time */
 196   timestruc_64 pr_dftime;   /* data page fault sleep time */
 197   timestruc_64 pr_kftime;   /* kernel page fault sleep time */
 198   timestruc_64 pr_ltime;    /* user lock wait sleep time */
 199   timestruc_64 pr_slptime;  /* all other sleep time */
 200   timestruc_64 pr_wtime;    /* wait-cpu (latency) time */
 201   timestruc_64 pr_stoptime; /* stopped time */
 202   timestruc_64 filltime[6]; /* filler for future expansion */
 203   uint64_t pr_minf;         /* minor page faults */
 204   uint64_t pr_majf;         /* major page faults */
 205   uint64_t pr_nswap;        /* swaps */
 206   uint64_t pr_inblk;        /* input blocks */
 207   uint64_t pr_oublk;        /* output blocks */
 208   uint64_t pr_msnd;         /* messages sent */
 209   uint64_t pr_mrcv;         /* messages received */
 210   uint64_t pr_sigs;         /* signals received */
 211   uint64_t pr_vctx;         /* voluntary context switches */
 212   uint64_t pr_ictx;         /* involuntary context switches */
 213   uint64_t pr_sysc;         /* system calls */
 214   uint64_t pr_ioch;         /* chars read and written */
 215   uint64_t filler[10];      /* filler for future expansion */
 216 } raw_prusage_64;
 217
 218 uint64_t
 219 PrUsage::bind64Size ()
 220 {
 221   uint64_t bindSize = sizeof (raw_prusage_64);
 222   return bindSize;
 223 }
 224
 225 PrUsage *
 226 PrUsage::bind64 (void *p, bool need_swap_endian)
 227 {
 228   if (p == NULL)
 229     {
 230       return NULL;
 231     }
 232   raw_prusage_64 pu, *tmp = (raw_prusage_64*) p;
 233   if (need_swap_endian)
 234     {
 235       pu = *tmp;
 236       tmp = &pu;
 237       SWAP_ENDIAN (pu.pr_tstamp.tv_sec);
 238       SWAP_ENDIAN (pu.pr_tstamp.tv_nsec);
 239       SWAP_ENDIAN (pu.pr_create.tv_sec);
 240       SWAP_ENDIAN (pu.pr_create.tv_nsec);
 241       SWAP_ENDIAN (pu.pr_term.tv_sec);
 242       SWAP_ENDIAN (pu.pr_term.tv_nsec);
 243       SWAP_ENDIAN (pu.pr_rtime.tv_sec);
 244       SWAP_ENDIAN (pu.pr_rtime.tv_nsec);
 245       SWAP_ENDIAN (pu.pr_utime.tv_sec);
 246       SWAP_ENDIAN (pu.pr_utime.tv_nsec);
 247       SWAP_ENDIAN (pu.pr_stime.tv_sec);
 248       SWAP_ENDIAN (pu.pr_stime.tv_nsec);
 249       SWAP_ENDIAN (pu.pr_ttime.tv_sec);
 250       SWAP_ENDIAN (pu.pr_ttime.tv_nsec);
 251       SWAP_ENDIAN (pu.pr_tftime.tv_sec);
 252       SWAP_ENDIAN (pu.pr_tftime.tv_nsec);
 253       SWAP_ENDIAN (pu.pr_dftime.tv_sec);
 254       SWAP_ENDIAN (pu.pr_dftime.tv_nsec);
 255       SWAP_ENDIAN (pu.pr_kftime.tv_sec);
 256       SWAP_ENDIAN (pu.pr_kftime.tv_nsec);
 257       SWAP_ENDIAN (pu.pr_ltime.tv_sec);
 258       SWAP_ENDIAN (pu.pr_ltime.tv_nsec);
 259       SWAP_ENDIAN (pu.pr_slptime.tv_sec);
 260       SWAP_ENDIAN (pu.pr_slptime.tv_nsec);
 261       SWAP_ENDIAN (pu.pr_wtime.tv_sec);
 262       SWAP_ENDIAN (pu.pr_wtime.tv_nsec);
 263       SWAP_ENDIAN (pu.pr_stoptime.tv_sec);
 264       SWAP_ENDIAN (pu.pr_stoptime.tv_nsec);
 265       SWAP_ENDIAN (pu.pr_minf);
 266       SWAP_ENDIAN (pu.pr_majf);
 267       SWAP_ENDIAN (pu.pr_nswap);
 268       SWAP_ENDIAN (pu.pr_inblk);
 269       SWAP_ENDIAN (pu.pr_oublk);
 270       SWAP_ENDIAN (pu.pr_msnd);
 271       SWAP_ENDIAN (pu.pr_mrcv);
 272       SWAP_ENDIAN (pu.pr_sigs);
 273       SWAP_ENDIAN (pu.pr_vctx);
 274       SWAP_ENDIAN (pu.pr_ictx);
 275       SWAP_ENDIAN (pu.pr_sysc);
 276       SWAP_ENDIAN (pu.pr_ioch);
 277     }
 278
 279   pr_tstamp = timestruc2hr (tmp->pr_tstamp);
 280   pr_create = timestruc2hr (tmp->pr_create);
 281   pr_term = timestruc2hr (tmp->pr_term);
 282   pr_rtime = timestruc2hr (tmp->pr_rtime);
 283   pr_utime = timestruc2hr (tmp->pr_utime);
 284   pr_stime = timestruc2hr (tmp->pr_stime);
 285   pr_ttime = timestruc2hr (tmp->pr_ttime);
 286   pr_tftime = timestruc2hr (tmp->pr_tftime);
 287   pr_dftime = timestruc2hr (tmp->pr_dftime);
 288   pr_kftime = timestruc2hr (tmp->pr_kftime);
 289   pr_ltime = timestruc2hr (tmp->pr_ltime);
 290   pr_slptime = timestruc2hr (tmp->pr_slptime);
 291   pr_wtime = timestruc2hr (tmp->pr_wtime);
 292   pr_stoptime = timestruc2hr (tmp->pr_stoptime);
 293   pr_minf = tmp->pr_minf;
 294   pr_majf = tmp->pr_majf;
 295   pr_nswap = tmp->pr_nswap;
 296   pr_inblk = tmp->pr_inblk;
 297   pr_oublk = tmp->pr_oublk;
 298   pr_msnd = tmp->pr_msnd;
 299   pr_mrcv = tmp->pr_mrcv;
 300   pr_sigs = tmp->pr_sigs;
 301   pr_vctx = tmp->pr_vctx;
 302   pr_ictx = tmp->pr_ictx;
 303   pr_sysc = tmp->pr_sysc;
 304   pr_ioch = tmp->pr_ioch;
 305   return this;
 306 }
 307
 308 Vector<long long> *
 309 PrUsage::getMstateValues ()
 310 {
 311   const PrUsage *prusage = this;
 312   Vector<long long> *states = new Vector<long long>;
 313   states->store (0, prusage->pr_utime);
 314   states->store (1, prusage->pr_stime);
 315   states->store (2, prusage->pr_ttime);
 316   states->store (3, prusage->pr_tftime);
 317   states->store (4, prusage->pr_dftime);
 318   states->store (5, prusage->pr_kftime);
 319   states->store (6, prusage->pr_ltime);
 320   states->store (7, prusage->pr_slptime);
 321   states->store (8, prusage->pr_wtime);
 322   states->store (9, prusage->pr_stoptime);
 323   assert (LMS_NUM_SOLARIS_MSTATES == states->size ());
 324   return states;
 325 }
 326
 327 void* CommonPacket::jvm_overhead = NULL;
 328
 329 CommonPacket::CommonPacket ()
 330 {
 331   for (int i = 0; i < NTAGS; i++)
 332     tags[i] = 0;
 333   tstamp = 0;
 334   jthread_TBR = NULL;
 335   frinfo = 0;
 336   leafpc = 0;
 337   nat_stack = NULL;
 338   user_stack = NULL;
 339 }
 340
 341 int
 342 CommonPacket::cmp (const void *a, const void *b)
 343 {
 344   if ((*(CommonPacket **) a)->tstamp > (*(CommonPacket **) b)->tstamp)
 345     return 1;
 346   else if ((*(CommonPacket **) a)->tstamp < (*(CommonPacket **) b)->tstamp)
 347     return -1;
 348   else
 349     return 0;
 350 }
 351
 352 void *
 353 CommonPacket::getStack (VMode view_mode)
 354 {
 355   if (view_mode == VMODE_MACHINE)
 356     return nat_stack;
 357   else if (view_mode == VMODE_USER)
 358     {
 359       if (jthread_TBR == JTHREAD_NONE || (jthread_TBR && jthread_TBR->is_system ()))
 360         return jvm_overhead;
 361     }
 362   else if (view_mode == VMODE_EXPERT)
 363     {
 364       Histable *hist = CallStack::getStackPC (user_stack, 0);
 365       if (hist->get_type () == Histable::INSTR)
 366         {
 367           DbeInstr *instr = (DbeInstr*) hist;
 368           if (instr->func == dbeSession->get_JUnknown_Function ())
 369             return nat_stack;
 370         }
 371       else if (hist->get_type () == Histable::LINE)
 372         {
 373           DbeLine *line = (DbeLine *) hist;
 374           if (line->func == dbeSession->get_JUnknown_Function ())
 375             return nat_stack;
 376         }
 377     }
 378   return user_stack;
 379 }
 380
 381 Histable *
 382 CommonPacket::getStackPC (int n, VMode view_mode)
 383 {
 384   return CallStack::getStackPC (getStack (view_mode), n);
 385 }
 386
 387 Vector<Histable*> *
 388 CommonPacket::getStackPCs (VMode view_mode)
 389 {
 390   return CallStack::getStackPCs (getStack (view_mode));
 391 }
 392
 393 void *
 394 getStack (VMode view_mode, DataView *dview, long idx)
 395 {
 396   void *stack = NULL;
 397   if (view_mode == VMODE_MACHINE)
 398     stack = dview->getObjValue (PROP_MSTACK, idx);
 399   else if (view_mode == VMODE_USER)
 400     stack = dview->getObjValue (PROP_USTACK, idx);
 401   else if (view_mode == VMODE_EXPERT)
 402     stack = dview->getObjValue (PROP_XSTACK, idx);
 403   return stack;
 404 }
 405
 406 int
 407 stackSize (VMode view_mode, DataView *dview, long idx)
 408 {
 409   return CallStack::stackSize (getStack (view_mode, dview, idx));
 410 }
 411
 412 Histable *
 413 getStackPC (int n, VMode view_mode, DataView *dview, long idx)
 414 {
 415   return CallStack::getStackPC (getStack (view_mode, dview, idx), n);
 416 }
 417
 418 Vector<Histable*> *
 419 getStackPCs (VMode view_mode, DataView *dview, long idx)
 420 {
 421   return CallStack::getStackPCs (getStack (view_mode, dview, idx));
 422 }