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authorSverker Eriksson <[email protected]>2016-05-09 18:16:54 +0200
committerSverker Eriksson <[email protected]>2016-05-09 18:16:54 +0200
commit5ca152a5ccca92e354188f7b696ca5b9f6b92806 (patch)
treef0b2794d847b117266d68851ce28435626ca7829 /erts/emulator/beam
parentd7e7284c4f94a6cc205519692cc48835c45d342a (diff)
parentdd5087bf582bba0879fa352bdc0ddcbf06d943d2 (diff)
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Merge branch 'sverker/system_info-erts_mmap/OTP-13560'
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r--erts/emulator/beam/erl_alloc.c111
-rw-r--r--erts/emulator/beam/erl_bif_info.c2
2 files changed, 85 insertions, 28 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index 3dc12bac51..c367d4162c 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -137,6 +137,11 @@ static ErtsAllocatorState_t exec_alloc_state;
#endif
static ErtsAllocatorState_t test_alloc_state;
+#define ERTS_ALC_INFO_A_ALLOC_UTIL (ERTS_ALC_A_MAX + 1)
+#define ERTS_ALC_INFO_A_MSEG_ALLOC (ERTS_ALC_A_MAX + 2)
+#define ERTS_ALC_INFO_A_ERTS_MMAP (ERTS_ALC_A_MAX + 3)
+#define ERTS_ALC_INFO_A_MAX ERTS_ALC_INFO_A_ERTS_MMAP
+
typedef struct {
erts_smp_atomic32_t refc;
int only_sz;
@@ -145,13 +150,9 @@ typedef struct {
Process *proc;
Eterm ref;
Eterm ref_heap[REF_THING_SIZE];
- int allocs[ERTS_ALC_A_MAX-ERTS_ALC_A_MIN+1+2];
+ int allocs[ERTS_ALC_INFO_A_MAX - ERTS_ALC_A_MIN + 1 + 1];
} ErtsAllocInfoReq;
-#define ERTS_ALC_INFO_A_ALLOC_UTIL (ERTS_ALC_A_MAX + 1)
-#define ERTS_ALC_INFO_A_MSEG_ALLOC (ERTS_ALC_A_MAX + 2)
-#define ERTS_ALC_INFO_A_MAX ERTS_ALC_INFO_A_MSEG_ALLOC
-
ERTS_SCHED_PREF_QUICK_ALLOC_IMPL(aireq,
ErtsAllocInfoReq,
5,
@@ -2840,10 +2841,18 @@ erts_allocator_info(int to, void *arg)
int i;
for (i = 0; i <= max; i++) {
erts_print(to, arg, "=allocator:mseg_alloc[%d]\n", i);
- erts_mseg_info(i, &to, arg, 0, NULL, NULL);
+ erts_mseg_info(i, &to, arg, 0, 0, NULL, NULL);
}
- erts_print(to, arg, "=allocator:mseg_alloc.erts_mmap\n");
+ erts_print(to, arg, "=allocator:erts_mmap.default_mmap\n");
erts_mmap_info(&erts_dflt_mmapper, &to, arg, NULL, NULL, &emis);
+#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
+ erts_print(to, arg, "=allocator:erts_mmap.literal_mmap\n");
+ erts_mmap_info(&erts_literal_mmapper, &to, arg, NULL, NULL, &emis);
+#endif
+#ifdef ERTS_ALC_A_EXEC
+ erts_print(to, arg, "=allocator:erts_mmap.exec_mmap\n");
+ erts_mmap_info(&erts_exec_mmapper, &to, arg, NULL, NULL, &emis);
+#endif
}
#endif
@@ -2954,6 +2963,11 @@ erts_allocator_options(void *proc)
atoms[length] = am_atom_put("alloc_util", 10);
terms[length++] = erts_alcu_au_info_options(NULL, NULL, hpp, szp);
+#if HAVE_ERTS_MMAP
+ atoms[length] = ERTS_MAKE_AM("erts_mmap");
+ terms[length++] = erts_mmap_info_options(&erts_dflt_mmapper, NULL, NULL,
+ NULL, hpp, szp);
+#endif
{
Eterm o[3], v[3];
o[0] = am_atom_put("m", 1);
@@ -2990,7 +3004,12 @@ erts_allocator_options(void *proc)
#if ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC
terms[length++] = am_atom_put("sys_aligned_alloc", 17);
#endif
-
+#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
+ terms[length++] = ERTS_MAKE_AM("literal_mmap");
+#endif
+#ifdef ERTS_ALC_A_EXEC
+ terms[length++] = ERTS_MAKE_AM("exec_mmap");
+#endif
features = length ? erts_bld_list(hpp, szp, length, terms) : NIL;
#if defined(__GLIBC__)
@@ -3075,7 +3094,15 @@ reply_alloc_info(void *vair)
Uint sz, *szp;
ErlOffHeap *ohp = NULL;
ErtsMessage *mp = NULL;
- struct erts_mmap_info_struct emis;
+#if HAVE_ERTS_MMAP
+ struct erts_mmap_info_struct mmap_info_dflt;
+# if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
+ struct erts_mmap_info_struct mmap_info_literal;
+# endif
+# ifdef ERTS_ALC_A_EXEC
+ struct erts_mmap_info_struct mmap_info_exec;
+# endif
+#endif
int i;
Eterm (*info_func)(Allctr_t *,
int,
@@ -3181,26 +3208,53 @@ reply_alloc_info(void *vair)
make_small(0),
ainfo);
break;
+ case ERTS_ALC_INFO_A_ERTS_MMAP:
+ alloc_atom = erts_bld_atom(hpp, szp, "erts_mmap");
+#if HAVE_ERTS_MMAP
+ ainfo = (air->only_sz ? NIL :
+ erts_mmap_info(&erts_dflt_mmapper, NULL, NULL,
+ hpp, szp, &mmap_info_dflt));
+ ainfo = erts_bld_tuple3(hpp, szp,
+ alloc_atom,
+ erts_bld_atom(hpp,szp,"default_mmap"),
+ ainfo);
+# if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
+ ai_list = erts_bld_cons(hpp, szp,
+ ainfo, ai_list);
+ ainfo = (air->only_sz ? NIL :
+ erts_mmap_info(&erts_literal_mmapper, NULL, NULL,
+ hpp, szp, &mmap_info_literal));
+ ainfo = erts_bld_tuple3(hpp, szp,
+ alloc_atom,
+ erts_bld_atom(hpp,szp,"literal_mmap"),
+ ainfo);
+# endif
+# ifdef ERTS_ALC_A_EXEC
+ ai_list = erts_bld_cons(hpp, szp,
+ ainfo, ai_list);
+ ainfo = (air->only_sz ? NIL :
+ erts_mmap_info(&erts_exec_mmapper, NULL, NULL,
+ hpp, szp, &mmap_info_exec));
+ ainfo = erts_bld_tuple3(hpp, szp,
+ alloc_atom,
+ erts_bld_atom(hpp,szp,"exec_mmap"),
+ ainfo);
+# endif
+#else /* !HAVE_ERTS_MMAP */
+ ainfo = erts_bld_tuple2(hpp, szp, alloc_atom,
+ am_false);
+#endif
+ break;
case ERTS_ALC_INFO_A_MSEG_ALLOC:
alloc_atom = erts_bld_atom(hpp, szp, "mseg_alloc");
#if HAVE_ERTS_MSEG
- ainfo = (air->only_sz
- ? NIL
- : erts_mseg_info(0, NULL, NULL, hpp != NULL,
- hpp, szp));
+ ainfo = erts_mseg_info(0, NULL, NULL, hpp != NULL,
+ air->only_sz, hpp, szp);
ainfo = erts_bld_tuple3(hpp, szp,
alloc_atom,
make_small(0),
ainfo);
- ai_list = erts_bld_cons(hpp, szp,
- ainfo, ai_list);
- ainfo = (air->only_sz ? NIL :
- erts_mmap_info(&erts_dflt_mmapper, NULL, NULL, hpp, szp, &emis));
- ainfo = erts_bld_tuple3(hpp, szp,
- alloc_atom,
- erts_bld_atom(hpp,szp,"erts_mmap"),
- ainfo);
#else
ainfo = erts_bld_tuple2(hpp, szp, alloc_atom,
am_false);
@@ -3232,15 +3286,14 @@ reply_alloc_info(void *vair)
}
switch (ai) {
case ERTS_ALC_A_SYSTEM:
- case ERTS_ALC_INFO_A_ALLOC_UTIL:
+ case ERTS_ALC_INFO_A_ALLOC_UTIL:
+ case ERTS_ALC_INFO_A_ERTS_MMAP:
break;
case ERTS_ALC_INFO_A_MSEG_ALLOC:
#if HAVE_ERTS_MSEG && defined(ERTS_SMP)
alloc_atom = erts_bld_atom(hpp, szp, "mseg_alloc");
- ainfo = (air->only_sz
- ? NIL
- : erts_mseg_info(sched_id, NULL, NULL,
- hpp != NULL, hpp, szp));
+ ainfo = erts_mseg_info(sched_id, NULL, NULL,
+ hpp != NULL, air->only_sz, hpp, szp);
ainfo = erts_bld_tuple(hpp, szp, 3,
alloc_atom,
make_small(sched_id),
@@ -3306,7 +3359,7 @@ erts_request_alloc_info(struct process *c_p,
int internal)
{
ErtsAllocInfoReq *air = aireq_alloc();
- Eterm req_ai[ERTS_ALC_A_MAX+1+2] = {0};
+ Eterm req_ai[ERTS_ALC_INFO_A_MAX+1] = {0};
Eterm alist;
Eterm *hp;
int airix = 0, ai;
@@ -3342,6 +3395,10 @@ erts_request_alloc_info(struct process *c_p,
ai = ERTS_ALC_INFO_A_MSEG_ALLOC;
goto save_alloc;
}
+ if (erts_is_atom_str("erts_mmap", alloc, 0)) {
+ ai = ERTS_ALC_INFO_A_ERTS_MMAP;
+ goto save_alloc;
+ }
if (erts_is_atom_str("alloc_util", alloc, 0)) {
ai = ERTS_ALC_INFO_A_ALLOC_UTIL;
save_alloc:
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 99fe847ba2..85cadafebc 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -3555,7 +3555,7 @@ BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1)
BIF_RET(res);
}
else if (ERTS_IS_ATOM_STR("mmap", BIF_ARG_1)) {
- BIF_RET(erts_mmap_debug_info(&erts_dflt_mmapper, BIF_P));
+ BIF_RET(erts_mmap_debug_info(BIF_P));
}
else if (ERTS_IS_ATOM_STR("unique_monotonic_integer_state", BIF_ARG_1)) {
BIF_RET(erts_debug_get_unique_monotonic_integer_state(BIF_P));