diff options
Diffstat (limited to 'erts/emulator/sys/common')
| -rw-r--r-- | erts/emulator/sys/common/erl_mmap.c | 193 | ||||
| -rw-r--r-- | erts/emulator/sys/common/erl_mmap.h | 12 | ||||
| -rw-r--r-- | erts/emulator/sys/common/erl_mseg.c | 5 |
3 files changed, 206 insertions, 4 deletions
diff --git a/erts/emulator/sys/common/erl_mmap.c b/erts/emulator/sys/common/erl_mmap.c index 4392ec4f9c..60b32e8115 100644 --- a/erts/emulator/sys/common/erl_mmap.c +++ b/erts/emulator/sys/common/erl_mmap.c @@ -323,6 +323,7 @@ static struct { char *unused_start; char *unused_end; char *new_area_hint; + Uint reserved; } desc; struct { UWord free_seg_descs; @@ -2190,6 +2191,7 @@ erts_mmap_init(ErtsMMapInit *init) mmap_state.size.os.used += (UWord) (mmap_state.sa.bot - start); mmap_state.desc.free_list = NULL; + mmap_state.desc.reserved = 0; if (end == (void *) 0) { /* @@ -2204,6 +2206,7 @@ erts_mmap_init(ErtsMMapInit *init) if (!virtual_map || os_reserve_physical(mmap_state.sua.top, ERTS_PAGEALIGNED_SIZE)) #endif add_free_desc_area(mmap_state.sua.top, end); + mmap_state.desc.reserved += (end - mmap_state.sua.top) / sizeof(ErtsFreeSegDesc); } mmap_state.size.supercarrier.total = (UWord) (mmap_state.sua.top - mmap_state.sa.bot); @@ -2218,6 +2221,8 @@ erts_mmap_init(ErtsMMapInit *init) #endif mmap_state.desc.unused_start = start; mmap_state.desc.unused_end = mmap_state.sa.bot; + mmap_state.desc.reserved += ((mmap_state.desc.unused_end - start) + / sizeof(ErtsFreeSegDesc)); init_free_seg_map(&mmap_state.sa.map, SA_SZ_ADDR_ORDER); init_free_seg_map(&mmap_state.sua.map, SZ_REVERSE_ADDR_ORDER); @@ -2238,7 +2243,192 @@ erts_mmap_init(ErtsMMapInit *init) #endif } -Eterm erts_mmap_info(Process* p) +static struct { + Eterm total; + Eterm total_sa; + Eterm total_sua; + Eterm used; + Eterm used_sa; + Eterm used_sua; + Eterm max; + Eterm allocated; + Eterm reserved; + Eterm sizes; + Eterm free_segs; + Eterm supercarrier; + Eterm os; + Eterm scs; + Eterm sco; + Eterm scrpm; + Eterm scmgc; + + int is_initialized; +}am; + +static void ERTS_INLINE atom_init(Eterm *atom, char *name) +{ + *atom = am_atom_put(name, strlen(name)); +} +#define AM_INIT(AM) atom_init(&am.AM, #AM) + +static void init_atoms(void) +{ + AM_INIT(total); + AM_INIT(total_sa); + AM_INIT(total_sua); + AM_INIT(used); + AM_INIT(used_sa); + AM_INIT(used_sua); + AM_INIT(max); + AM_INIT(allocated); + AM_INIT(reserved); + AM_INIT(sizes); + AM_INIT(free_segs); + AM_INIT(supercarrier); + AM_INIT(os); + AM_INIT(scs); + AM_INIT(sco); + AM_INIT(scrpm); + AM_INIT(scmgc); + am.is_initialized = 1; +}; + + +static ERTS_INLINE void +add_2tup(Uint **hpp, Uint *szp, Eterm *lp, Eterm el1, Eterm el2) +{ + *lp = erts_bld_cons(hpp, szp, erts_bld_tuple(hpp, szp, 2, el1, el2), *lp); +} + +Eterm erts_mmap_info(int *print_to_p, + void *print_to_arg, + Eterm** hpp, Uint* szp, + struct erts_mmap_info_struct* emis) +{ + Eterm size_tags[] = { am.total, am.total_sa, am.total_sua, am.used, am.used_sa, am.used_sua }; + Eterm seg_tags[] = { am.used, am.max, am.allocated, am.reserved, am.used_sa, am.used_sua }; + Eterm group[2]; + Eterm group_tags[] = { am.sizes, am.free_segs }; + Eterm list[2]; + Eterm list_tags[2]; /* { am.supercarrier, am.os } */ + int lix; + Eterm res = THE_NON_VALUE; + + if (!hpp) { + erts_smp_mtx_lock(&mmap_state.mtx); + emis->sizes[0] = mmap_state.size.supercarrier.total; + emis->sizes[1] = mmap_state.sa.top - mmap_state.sa.bot; + emis->sizes[2] = mmap_state.sua.top - mmap_state.sua.bot; + emis->sizes[3] = mmap_state.size.supercarrier.used.total; + emis->sizes[4] = mmap_state.size.supercarrier.used.sa; + emis->sizes[5] = mmap_state.size.supercarrier.used.sua; + + emis->segs[0] = mmap_state.no.free_segs.curr; + emis->segs[1] = mmap_state.no.free_segs.max; + emis->segs[2] = mmap_state.no.free_seg_descs; + emis->segs[3] = mmap_state.desc.reserved; + emis->segs[4] = mmap_state.sa.map.nseg; + emis->segs[5] = mmap_state.sua.map.nseg; + + emis->os_used = mmap_state.size.os.used; + erts_smp_mtx_unlock(&mmap_state.mtx); + } + + if (print_to_p) { + int to = *print_to_p; + void *arg = print_to_arg; + if (mmap_state.supercarrier) { + const char* prefix = "supercarrier "; + erts_print(to, arg, "%stotal size: %bpu\n", prefix, emis->sizes[0]); + erts_print(to, arg, "%stotal sa size: %bpu\n", prefix, emis->sizes[1]); + erts_print(to, arg, "%stotal sua size: %bpu\n", prefix, emis->sizes[2]); + erts_print(to, arg, "%sused size: %bpu\n", prefix, emis->sizes[3]); + erts_print(to, arg, "%sused sa size: %bpu\n", prefix, emis->sizes[4]); + erts_print(to, arg, "%sused sua size: %bpu\n", prefix, emis->sizes[5]); + erts_print(to, arg, "%sused free segs: %bpu\n", prefix, emis->segs[0]); + erts_print(to, arg, "%smax free segs: %bpu\n", prefix, emis->segs[1]); + erts_print(to, arg, "%sallocated free segs: %bpu\n", prefix, emis->segs[2]); + erts_print(to, arg, "%sreserved free segs: %bpu\n", prefix, emis->segs[3]); + erts_print(to, arg, "%ssa free segs: %bpu\n", prefix, emis->segs[4]); + erts_print(to, arg, "%ssua free segs: %bpu\n", prefix, emis->segs[5]); + } + if (!mmap_state.no_os_mmap) { + erts_print(to, arg, "os mmap size used: %bpu\n", emis->os_used); + } + } + + + if (hpp || szp) { + if (!am.is_initialized) { + init_atoms(); + } + + lix = 0; + if (mmap_state.supercarrier) { + group[0] = erts_bld_atom_uword_2tup_list(hpp, szp, + sizeof(size_tags)/sizeof(Eterm), + size_tags, emis->sizes); + group[1] = erts_bld_atom_uword_2tup_list(hpp, szp, + sizeof(seg_tags)/sizeof(Eterm), + seg_tags, emis->segs); + list[lix] = erts_bld_2tup_list(hpp, szp, 2, group_tags, group); + list_tags[lix] = am.supercarrier; + lix++; + } + + if (!mmap_state.no_os_mmap) { + group[0] = erts_bld_atom_uword_2tup_list(hpp, szp, + 1, &am.used, &emis->os_used); + list[lix] = erts_bld_2tup_list(hpp, szp, 1, group_tags, group); + list_tags[lix] = am.os; + lix++; + } + res = erts_bld_2tup_list(hpp, szp, lix, list_tags, list); + } + return res; +} + +Eterm erts_mmap_info_options(char *prefix, + int *print_to_p, + void *print_to_arg, + Uint **hpp, + Uint *szp) +{ + const UWord scs = mmap_state.sua.top - mmap_state.sa.bot; + const Eterm sco = mmap_state.no_os_mmap ? am_true : am_false; + const Eterm scrpm = (mmap_state.reserve_physical == reserve_noop) ? am_true : am_false; + Eterm res = THE_NON_VALUE; + + if (print_to_p) { + int to = *print_to_p; + void *arg = print_to_arg; + erts_print(to, arg, "%sscs: %bpu\n", prefix, scs); + if (mmap_state.supercarrier) { + erts_print(to, arg, "%ssco: %T\n", prefix, sco); + erts_print(to, arg, "%sscrpm: %T\n", prefix, scrpm); + erts_print(to, arg, "%sscmgc: %beu\n", prefix, mmap_state.desc.reserved); + } + } + + if (hpp || szp) { + if (!am.is_initialized) { + init_atoms(); + } + + res = NIL; + if (mmap_state.supercarrier) { + add_2tup(hpp, szp, &res, am.scmgc, + erts_bld_uint(hpp,szp, mmap_state.desc.reserved)); + add_2tup(hpp, szp, &res, am.scrpm, scrpm); + add_2tup(hpp, szp, &res, am.sco, sco); + } + add_2tup(hpp, szp, &res, am.scs, erts_bld_uword(hpp, szp, scs)); + } + return res; +} + + +Eterm erts_mmap_debug_info(Process* p) { if (mmap_state.supercarrier) { ERTS_DECL_AM(sabot); @@ -2283,6 +2473,7 @@ Eterm erts_mmap_info(Process* p) } } + /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ * Debug functions * \* */ diff --git a/erts/emulator/sys/common/erl_mmap.h b/erts/emulator/sys/common/erl_mmap.h index 106459f872..e6934dbb26 100644 --- a/erts/emulator/sys/common/erl_mmap.h +++ b/erts/emulator/sys/common/erl_mmap.h @@ -57,8 +57,18 @@ void erts_munmap(Uint32 flags, void *ptr, UWord size); void *erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep); int erts_mmap_in_supercarrier(void *ptr); void erts_mmap_init(ErtsMMapInit*); +struct erts_mmap_info_struct +{ + UWord sizes[6]; + UWord segs[6]; + UWord os_used; +}; +Eterm erts_mmap_info(int *print_to_p, void *print_to_arg, + Eterm** hpp, Uint* szp, struct erts_mmap_info_struct*); +Eterm erts_mmap_info_options(char *prefix, int *print_to_p, void *print_to_arg, + Uint **hpp, Uint *szp); struct process; -Eterm erts_mmap_info(struct process*); +Eterm erts_mmap_debug_info(struct process*); #define ERTS_SUPERALIGNED_SIZE \ (1 << ERTS_MMAP_SUPERALIGNED_BITS) diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c index 13f8069cf5..b165f76c96 100644 --- a/erts/emulator/sys/common/erl_mseg.c +++ b/erts/emulator/sys/common/erl_mseg.c @@ -1070,7 +1070,9 @@ info_options(ErtsMsegAllctr_t *ma, Uint **hpp, Uint *szp) { - Eterm res = THE_NON_VALUE; + Eterm res; + + res = erts_mmap_info_options(prefix, print_to_p, print_to_arg, hpp, szp); if (print_to_p) { int to = *print_to_p; @@ -1085,7 +1087,6 @@ info_options(ErtsMsegAllctr_t *ma, if (!atoms_initialized) init_atoms(ma); - res = NIL; add_2tup(hpp, szp, &res, am.mcs, bld_uint(hpp, szp, ma->max_cache_size)); |