diff options
Diffstat (limited to 'libnetdata/libjudy/src/JudyL/JudyLMemActive.c')
| -rw-r--r-- | libnetdata/libjudy/src/JudyL/JudyLMemActive.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/libnetdata/libjudy/src/JudyL/JudyLMemActive.c b/libnetdata/libjudy/src/JudyL/JudyLMemActive.c new file mode 100644 index 00000000..fb58d0e2 --- /dev/null +++ b/libnetdata/libjudy/src/JudyL/JudyLMemActive.c @@ -0,0 +1,259 @@ +// Copyright (C) 2000 - 2002 Hewlett-Packard Company +// +// This program is free software; you can redistribute it and/or modify it +// under the term of the GNU Lesser General Public License as published by the +// Free Software Foundation; either version 2 of the License, or (at your +// option) any later version. +// +// This program is distributed in the hope that it will be useful, but WITHOUT +// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License +// for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with this program; if not, write to the Free Software Foundation, +// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// _________________ + +// @(#) $Revision: 4.7 $ $Source: /judy/src/JudyCommon/JudyMemActive.c $ +// +// Return number of bytes of memory used to support a Judy1/L array. +// Compile with one of -DJUDY1 or -DJUDYL. + +#if (! (defined(JUDY1) || defined(JUDYL))) +#error: One of -DJUDY1 or -DJUDYL must be specified. +#endif + +#ifdef JUDY1 +#include "Judy1.h" +#else +#include "JudyL.h" +#endif + +#include "JudyPrivate1L.h" + +FUNCTION static Word_t j__udyGetMemActive(Pjp_t); + + +// **************************************************************************** +// J U D Y 1 M E M A C T I V E +// J U D Y L M E M A C T I V E + +#ifdef JUDY1 +FUNCTION Word_t Judy1MemActive +#else +FUNCTION Word_t JudyLMemActive +#endif + ( + Pcvoid_t PArray // from which to retrieve. + ) +{ + if (PArray == (Pcvoid_t)NULL) return(0); + + if (JU_LEAFW_POP0(PArray) < cJU_LEAFW_MAXPOP1) // must be a LEAFW + { + Pjlw_t Pjlw = P_JLW(PArray); // first word of leaf. + Word_t Words = Pjlw[0] + 1; // population. +#ifdef JUDY1 + return((Words + 1) * sizeof(Word_t)); +#else + return(((Words * 2) + 1) * sizeof(Word_t)); +#endif + } + else + { + Pjpm_t Pjpm = P_JPM(PArray); + return(j__udyGetMemActive(&Pjpm->jpm_JP) + sizeof(jpm_t)); + } + +} // JudyMemActive() + + +// **************************************************************************** +// __ J U D Y G E T M E M A C T I V E + +FUNCTION static Word_t j__udyGetMemActive( + Pjp_t Pjp) // top of subtree. +{ + Word_t offset; // in a branch. + Word_t Bytes = 0; // actual bytes used at this level. + Word_t IdxSz; // bytes per index in leaves + + switch (JU_JPTYPE(Pjp)) + { + + case cJU_JPBRANCH_L2: + case cJU_JPBRANCH_L3: +#ifdef JU_64BIT + case cJU_JPBRANCH_L4: + case cJU_JPBRANCH_L5: + case cJU_JPBRANCH_L6: + case cJU_JPBRANCH_L7: +#endif + case cJU_JPBRANCH_L: + { + Pjbl_t Pjbl = P_JBL(Pjp->jp_Addr); + + for (offset = 0; offset < (Pjbl->jbl_NumJPs); ++offset) + Bytes += j__udyGetMemActive((Pjbl->jbl_jp) + offset); + + return(Bytes + sizeof(jbl_t)); + } + + case cJU_JPBRANCH_B2: + case cJU_JPBRANCH_B3: +#ifdef JU_64BIT + case cJU_JPBRANCH_B4: + case cJU_JPBRANCH_B5: + case cJU_JPBRANCH_B6: + case cJU_JPBRANCH_B7: +#endif + case cJU_JPBRANCH_B: + { + Word_t subexp; + Word_t jpcount; + Pjbb_t Pjbb = P_JBB(Pjp->jp_Addr); + + for (subexp = 0; subexp < cJU_NUMSUBEXPB; ++subexp) + { + jpcount = j__udyCountBitsB(JU_JBB_BITMAP(Pjbb, subexp)); + Bytes += jpcount * sizeof(jp_t); + + for (offset = 0; offset < jpcount; ++offset) + { + Bytes += j__udyGetMemActive(P_JP(JU_JBB_PJP(Pjbb, subexp)) + + offset); + } + } + + return(Bytes + sizeof(jbb_t)); + } + + case cJU_JPBRANCH_U2: + case cJU_JPBRANCH_U3: +#ifdef JU_64BIT + case cJU_JPBRANCH_U4: + case cJU_JPBRANCH_U5: + case cJU_JPBRANCH_U6: + case cJU_JPBRANCH_U7: +#endif + case cJU_JPBRANCH_U: + { + Pjbu_t Pjbu = P_JBU(Pjp->jp_Addr); + + for (offset = 0; offset < cJU_BRANCHUNUMJPS; ++offset) + { + if (((Pjbu->jbu_jp[offset].jp_Type) >= cJU_JPNULL1) + && ((Pjbu->jbu_jp[offset].jp_Type) <= cJU_JPNULLMAX)) + { + continue; // skip null JP to save time. + } + + Bytes += j__udyGetMemActive(Pjbu->jbu_jp + offset); + } + + return(Bytes + sizeof(jbu_t)); + } + + +// -- Cases below here terminate and do not recurse. -- + +#if (defined(JUDYL) || (! defined(JU_64BIT))) + case cJU_JPLEAF1: IdxSz = 1; goto LeafWords; +#endif + case cJU_JPLEAF2: IdxSz = 2; goto LeafWords; + case cJU_JPLEAF3: IdxSz = 3; goto LeafWords; +#ifdef JU_64BIT + case cJU_JPLEAF4: IdxSz = 4; goto LeafWords; + case cJU_JPLEAF5: IdxSz = 5; goto LeafWords; + case cJU_JPLEAF6: IdxSz = 6; goto LeafWords; + case cJU_JPLEAF7: IdxSz = 7; goto LeafWords; +#endif +LeafWords: + +#ifdef JUDY1 + return(IdxSz * (JU_JPLEAF_POP0(Pjp) + 1)); +#else + return((IdxSz + sizeof(Word_t)) + * (JU_JPLEAF_POP0(Pjp) + 1)); +#endif + case cJU_JPLEAF_B1: + { +#ifdef JUDY1 + return(sizeof(jlb_t)); +#else + Bytes = (JU_JPLEAF_POP0(Pjp) + 1) * sizeof(Word_t); + + return(Bytes + sizeof(jlb_t)); +#endif + } + + JUDY1CODE(case cJ1_JPFULLPOPU1: return(0);) + +#ifdef JUDY1 +#define J__Mpy 0 +#else +#define J__Mpy sizeof(Word_t) +#endif + + case cJU_JPIMMED_1_01: return(0); + case cJU_JPIMMED_2_01: return(0); + case cJU_JPIMMED_3_01: return(0); +#ifdef JU_64BIT + case cJU_JPIMMED_4_01: return(0); + case cJU_JPIMMED_5_01: return(0); + case cJU_JPIMMED_6_01: return(0); + case cJU_JPIMMED_7_01: return(0); +#endif + + case cJU_JPIMMED_1_02: return(J__Mpy * 2); + case cJU_JPIMMED_1_03: return(J__Mpy * 3); +#if (defined(JUDY1) || defined(JU_64BIT)) + case cJU_JPIMMED_1_04: return(J__Mpy * 4); + case cJU_JPIMMED_1_05: return(J__Mpy * 5); + case cJU_JPIMMED_1_06: return(J__Mpy * 6); + case cJU_JPIMMED_1_07: return(J__Mpy * 7); +#endif +#if (defined(JUDY1) && defined(JU_64BIT)) + case cJ1_JPIMMED_1_08: return(0); + case cJ1_JPIMMED_1_09: return(0); + case cJ1_JPIMMED_1_10: return(0); + case cJ1_JPIMMED_1_11: return(0); + case cJ1_JPIMMED_1_12: return(0); + case cJ1_JPIMMED_1_13: return(0); + case cJ1_JPIMMED_1_14: return(0); + case cJ1_JPIMMED_1_15: return(0); +#endif + +#if (defined(JUDY1) || defined(JU_64BIT)) + case cJU_JPIMMED_2_02: return(J__Mpy * 2); + case cJU_JPIMMED_2_03: return(J__Mpy * 3); +#endif +#if (defined(JUDY1) && defined(JU_64BIT)) + case cJ1_JPIMMED_2_04: return(0); + case cJ1_JPIMMED_2_05: return(0); + case cJ1_JPIMMED_2_06: return(0); + case cJ1_JPIMMED_2_07: return(0); +#endif + +#if (defined(JUDY1) || defined(JU_64BIT)) + case cJU_JPIMMED_3_02: return(J__Mpy * 2); +#endif +#if (defined(JUDY1) && defined(JU_64BIT)) + case cJ1_JPIMMED_3_03: return(0); + case cJ1_JPIMMED_3_04: return(0); + case cJ1_JPIMMED_3_05: return(0); + + case cJ1_JPIMMED_4_02: return(0); + case cJ1_JPIMMED_4_03: return(0); + case cJ1_JPIMMED_5_02: return(0); + case cJ1_JPIMMED_5_03: return(0); + case cJ1_JPIMMED_6_02: return(0); + case cJ1_JPIMMED_7_02: return(0); +#endif + + } // switch (JU_JPTYPE(Pjp)) + + return(0); // to make some compilers happy. + +} // j__udyGetMemActive() |