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-rw-r--r--erts/configure.in6
-rw-r--r--erts/doc/src/absform.xml7
-rw-r--r--erts/doc/src/erl.xml27
-rw-r--r--erts/emulator/beam/erl_cpu_topology.c36
-rw-r--r--erts/emulator/beam/erl_cpu_topology.h2
-rw-r--r--erts/emulator/beam/erl_init.c16
-rw-r--r--erts/emulator/beam/erl_process.c16
-rw-r--r--erts/emulator/hipe/hipe_x86_gc.h2
-rw-r--r--erts/etc/common/erlexec.c1
9 files changed, 77 insertions, 36 deletions
diff --git a/erts/configure.in b/erts/configure.in
index 30bc1ef000..a0c5cab181 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -827,6 +827,12 @@ if test -z "$FOP"; then
AC_MSG_WARN([No 'fop' command found: going to generate placeholder PDF files])
fi
+AC_CHECK_PROGS(XMLLINT, xmllint)
+if test -z "$XMLLINT"; then
+ echo "xmllint" >> doc/CONF_INFO
+ AC_MSG_WARN([No 'xmllint' command found: can't run the xmllint target for the documentation])
+fi
+
dnl
dnl We can live with Solaris /usr/ucb/install
dnl
diff --git a/erts/doc/src/absform.xml b/erts/doc/src/absform.xml
index 4455d0ac92..d036b4c7fb 100644
--- a/erts/doc/src/absform.xml
+++ b/erts/doc/src/absform.xml
@@ -290,13 +290,6 @@
<item>If E is <c><![CDATA[fun Fc_1 ; ... ; Fc_k end]]></c>
where each <c><![CDATA[Fc_i]]></c> is a function clause then Rep(E) =
<c><![CDATA[{'fun',LINE,{clauses,[Rep(Fc_1), ..., Rep(Fc_k)]}}]]></c>.</item>
- <item>If E is <c><![CDATA[query [E_0 || W_1, ..., W_k] end]]></c>,
- where each <c><![CDATA[W_i]]></c> is a generator or a filter, then
- Rep(E) = <c><![CDATA[{'query',LINE,{lc,LINE,Rep(E_0),[Rep(W_1), ..., Rep(W_k)]}}]]></c>.
- For Rep(W), see below.</item>
- <item>If E is <c><![CDATA[E_0.Field]]></c>, a Mnesia record access
- inside a query, then
- Rep(E) = <c><![CDATA[{record_field,LINE,Rep(E_0),Rep(Field)}]]></c>.</item>
<item>If E is <c><![CDATA[( E_0 )]]></c>, then
Rep(E) = <c><![CDATA[Rep(E_0)]]></c>,
i.e., parenthesized expressions cannot be distinguished from their bodies.</item>
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml
index a79a2d5c48..b069b85be5 100644
--- a/erts/doc/src/erl.xml
+++ b/erts/doc/src/erl.xml
@@ -710,7 +710,24 @@
<taglist>
<tag><marker id="+sbt"><c>+sbt BindType</c></marker></tag>
<item>
- <p>Set scheduler bind type. Currently valid <c>BindType</c>s:
+ <p>Set scheduler bind type.</p>
+ <p>Schedulers can also be bound using the
+ <seealso marker="#+stbt">+stbt</seealso> flag. The only difference
+ between these two flags is how the following errors are handled:</p>
+ <list>
+ <item>Binding of schedulers is not supported on the specific
+ platform.</item>
+ <item>No available CPU topology. That is the runtime system
+ was not able to automatically detected the CPU topology, and
+ no <seealso marker="#+sct">user defined CPU topology</seealso>
+ was set.</item>
+ </list>
+ <p>If any of these errors occur when <c>+sbt</c> has been passed,
+ the runtime system will print an error message, and refuse to
+ start. If any of these errors occur when <c>+stbt</c> has been
+ passed, the runtime system will silently ignore the error, and
+ start up using unbound schedulers.</p>
+ <p>Currently valid <c>BindType</c>s:
</p>
<taglist>
<tag><c>u</c></tag>
@@ -960,6 +977,14 @@
<p>For more information, see
<seealso marker="erlang#system_info_cpu_topology">erlang:system_info(cpu_topology)</seealso>.</p>
</item>
+ <tag><marker id="+stbt"><c>+stbt BindType</c></marker></tag>
+ <item>
+ <p>Try to set scheduler bind type. The same as the
+ <seealso marker="#+sbt">+sbt</seealso> flag with the exception of
+ how some errors are handled. For more information, see the
+ documentation of the <seealso marker="#+sbt">+sbt</seealso> flag.
+ </p>
+ </item>
<tag><marker id="+sws"><c>+sws default|legacy|proposal</c></marker></tag>
<item>
<p>Set scheduler wakeup strategy. Default is <c>legacy</c> (has been
diff --git a/erts/emulator/beam/erl_cpu_topology.c b/erts/emulator/beam/erl_cpu_topology.c
index 3f90f34736..93ef09a677 100644
--- a/erts/emulator/beam/erl_cpu_topology.c
+++ b/erts/emulator/beam/erl_cpu_topology.c
@@ -620,30 +620,38 @@ write_schedulers_bind_change(erts_cpu_topology_t *cpudata, int size)
int
erts_init_scheduler_bind_type_string(char *how)
{
+ ErtsCpuBindOrder order;
+
if (sys_strcmp(how, "u") == 0)
- cpu_bind_order = ERTS_CPU_BIND_NONE;
- else if (erts_bind_to_cpu(cpuinfo, -1) == -ENOTSUP)
- return ERTS_INIT_SCHED_BIND_TYPE_NOT_SUPPORTED;
- else if (!system_cpudata && !user_cpudata)
- return ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_CPU_TOPOLOGY;
+ order = ERTS_CPU_BIND_NONE;
else if (sys_strcmp(how, "db") == 0)
- cpu_bind_order = ERTS_CPU_BIND_DEFAULT_BIND;
+ order = ERTS_CPU_BIND_DEFAULT_BIND;
else if (sys_strcmp(how, "s") == 0)
- cpu_bind_order = ERTS_CPU_BIND_SPREAD;
+ order = ERTS_CPU_BIND_SPREAD;
else if (sys_strcmp(how, "ps") == 0)
- cpu_bind_order = ERTS_CPU_BIND_PROCESSOR_SPREAD;
+ order = ERTS_CPU_BIND_PROCESSOR_SPREAD;
else if (sys_strcmp(how, "ts") == 0)
- cpu_bind_order = ERTS_CPU_BIND_THREAD_SPREAD;
+ order = ERTS_CPU_BIND_THREAD_SPREAD;
else if (sys_strcmp(how, "tnnps") == 0)
- cpu_bind_order = ERTS_CPU_BIND_THREAD_NO_NODE_PROCESSOR_SPREAD;
+ order = ERTS_CPU_BIND_THREAD_NO_NODE_PROCESSOR_SPREAD;
else if (sys_strcmp(how, "nnps") == 0)
- cpu_bind_order = ERTS_CPU_BIND_NO_NODE_PROCESSOR_SPREAD;
+ order = ERTS_CPU_BIND_NO_NODE_PROCESSOR_SPREAD;
else if (sys_strcmp(how, "nnts") == 0)
- cpu_bind_order = ERTS_CPU_BIND_NO_NODE_THREAD_SPREAD;
+ order = ERTS_CPU_BIND_NO_NODE_THREAD_SPREAD;
else if (sys_strcmp(how, "ns") == 0)
- cpu_bind_order = ERTS_CPU_BIND_NO_SPREAD;
+ order = ERTS_CPU_BIND_NO_SPREAD;
else
- return ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_BAD_TYPE;
+ return ERTS_INIT_SCHED_BIND_TYPE_ERROR_BAD_TYPE;
+
+ if (order != ERTS_CPU_BIND_NONE) {
+ if (erts_bind_to_cpu(cpuinfo, -1) == -ENOTSUP)
+ return ERTS_INIT_SCHED_BIND_TYPE_NOT_SUPPORTED;
+ else if (!system_cpudata && !user_cpudata)
+ return ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_CPU_TOPOLOGY;
+ }
+
+ cpu_bind_order = order;
+
return ERTS_INIT_SCHED_BIND_TYPE_SUCCESS;
}
diff --git a/erts/emulator/beam/erl_cpu_topology.h b/erts/emulator/beam/erl_cpu_topology.h
index c5a9520b61..11915e1ea8 100644
--- a/erts/emulator/beam/erl_cpu_topology.h
+++ b/erts/emulator/beam/erl_cpu_topology.h
@@ -40,7 +40,7 @@ void erts_init_cpu_topology(void);
#define ERTS_INIT_SCHED_BIND_TYPE_SUCCESS 0
#define ERTS_INIT_SCHED_BIND_TYPE_NOT_SUPPORTED 1
#define ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_CPU_TOPOLOGY 2
-#define ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_BAD_TYPE 3
+#define ERTS_INIT_SCHED_BIND_TYPE_ERROR_BAD_TYPE 3
int erts_init_scheduler_bind_type_string(char *how);
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 8db3c28378..516f7b3cb3 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -523,7 +523,7 @@ void erts_usage(void)
erts_fprintf(stderr, "-r force ets memory block to be moved on realloc\n");
erts_fprintf(stderr, "-rg amount set reader groups limit\n");
erts_fprintf(stderr, "-sbt type set scheduler bind type, valid types are:\n");
- erts_fprintf(stderr, " u|ns|ts|ps|s|nnts|nnps|tnnps|db\n");
+ erts_fprintf(stderr, "-stbt type u|ns|ts|ps|s|nnts|nnps|tnnps|db\n");
erts_fprintf(stderr, "-sbwt val set scheduler busy wait threshold, valid values are:\n");
erts_fprintf(stderr, " none|very_short|short|medium|long|very_long.\n");
erts_fprintf(stderr, "-scl bool enable/disable compaction of scheduler load,\n");
@@ -531,7 +531,7 @@ void erts_usage(void)
erts_fprintf(stderr, "-sct cput set cpu topology,\n");
erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
erts_fprintf(stderr, "-sws val set scheduler wakeup strategy, valid values are:\n");
- erts_fprintf(stderr, " default|legacy|proposal.\n");
+ erts_fprintf(stderr, " default|legacy.\n");
erts_fprintf(stderr, "-swt val set scheduler wakeup threshold, valid values are:\n");
erts_fprintf(stderr, " very_low|low|medium|high|very_high.\n");
erts_fprintf(stderr, "-sss size suggested stack size in kilo words for scheduler threads,\n");
@@ -1240,7 +1240,7 @@ erl_start(int argc, char **argv)
case ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_CPU_TOPOLOGY:
estr = "no cpu topology available";
break;
- case ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_BAD_TYPE:
+ case ERTS_INIT_SCHED_BIND_TYPE_ERROR_BAD_TYPE:
estr = "invalid type";
break;
default:
@@ -1335,6 +1335,16 @@ erl_start(int argc, char **argv)
}
else if (sys_strcmp("nsp", sub_param) == 0)
erts_use_sender_punish = 0;
+ else if (has_prefix("tbt", sub_param)) {
+ arg = get_arg(sub_param+3, argv[i+1], &i);
+ res = erts_init_scheduler_bind_type_string(arg);
+ if (res == ERTS_INIT_SCHED_BIND_TYPE_ERROR_BAD_TYPE) {
+ erts_fprintf(stderr,
+ "setting scheduler bind type '%s' failed: invalid type\n",
+ arg);
+ erts_usage();
+ }
+ }
else if (sys_strcmp("wt", sub_param) == 0) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (erts_sched_set_wakeup_other_thresold(arg) != 0) {
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index aaca4b5f59..6e9bf7ca12 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -4080,11 +4080,11 @@ typedef enum {
} ErtsSchedWakeupOtherThreshold;
typedef enum {
- ERTS_SCHED_WAKEUP_OTHER_TYPE_PROPOSAL,
+ ERTS_SCHED_WAKEUP_OTHER_TYPE_DEFAULT,
ERTS_SCHED_WAKEUP_OTHER_TYPE_LEGACY
} ErtsSchedWakeupOtherType;
-/* First proposal */
+/* Default */
#define ERTS_WAKEUP_OTHER_LIMIT_VERY_HIGH (200*CONTEXT_REDS)
#define ERTS_WAKEUP_OTHER_LIMIT_HIGH (50*CONTEXT_REDS)
@@ -4101,7 +4101,7 @@ typedef enum {
#define ERTS_WAKEUP_OTHER_DEC_SHIFT 2
#define ERTS_WAKEUP_OTHER_FIXED_INC (CONTEXT_REDS/10)
-/* To be legacy */
+/* Legacy */
#define ERTS_WAKEUP_OTHER_LIMIT_VERY_HIGH_LEGACY (200*CONTEXT_REDS)
#define ERTS_WAKEUP_OTHER_LIMIT_HIGH_LEGACY (50*CONTEXT_REDS)
@@ -4239,7 +4239,7 @@ static void
set_wakeup_other_data(void)
{
switch (wakeup_other.type) {
- case ERTS_SCHED_WAKEUP_OTHER_TYPE_PROPOSAL:
+ case ERTS_SCHED_WAKEUP_OTHER_TYPE_DEFAULT:
wakeup_other.check = wakeup_other_check;
wakeup_other_set_limit();
break;
@@ -4258,7 +4258,7 @@ erts_early_init_scheduling(int no_schedulers)
aux_work_timeout_early_init(no_schedulers);
#ifdef ERTS_SMP
wakeup_other.threshold = ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_MEDIUM;
- wakeup_other.type = ERTS_SCHED_WAKEUP_OTHER_TYPE_LEGACY;
+ wakeup_other.type = ERTS_SCHED_WAKEUP_OTHER_TYPE_DEFAULT;
#endif
sched_busy_wait.sys_schedule = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM;
sched_busy_wait.tse = (ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM
@@ -4294,10 +4294,8 @@ int
erts_sched_set_wakeup_other_type(char *str)
{
ErtsSchedWakeupOtherType type;
- if (sys_strcmp(str, "proposal") == 0)
- type = ERTS_SCHED_WAKEUP_OTHER_TYPE_PROPOSAL;
- else if (sys_strcmp(str, "default") == 0)
- type = ERTS_SCHED_WAKEUP_OTHER_TYPE_LEGACY;
+ if (sys_strcmp(str, "default") == 0)
+ type = ERTS_SCHED_WAKEUP_OTHER_TYPE_DEFAULT;
else if (sys_strcmp(str, "legacy") == 0)
type = ERTS_SCHED_WAKEUP_OTHER_TYPE_LEGACY;
else
diff --git a/erts/emulator/hipe/hipe_x86_gc.h b/erts/emulator/hipe/hipe_x86_gc.h
index aa4abb6f59..4bea9276c0 100644
--- a/erts/emulator/hipe/hipe_x86_gc.h
+++ b/erts/emulator/hipe/hipe_x86_gc.h
@@ -71,7 +71,7 @@ nstack_walk_init_sdesc(const Process *p, struct nstack_walk_state *state)
state->sdesc0[0].livebits[0] = 0;
# ifdef DEBUG
state->sdesc0[0].dbg_M = 0;
- state->sdesc0[0].dbg_F = am_init;
+ state->sdesc0[0].dbg_F = am_undefined;
state->sdesc0[0].dbg_A = 0;
# endif
/* XXX: this appears to prevent a gcc-4.1.1 bug on x86 */
diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c
index 50c61f50eb..d865164bb0 100644
--- a/erts/etc/common/erlexec.c
+++ b/erts/etc/common/erlexec.c
@@ -124,6 +124,7 @@ static char *pluss_val_switches[] = {
"bwt",
"cl",
"ct",
+ "tbt",
"wt",
"ws",
"ss",
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-11 19:26:58 +0000