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-rw-r--r--erts/emulator/beam/beam_bp.c287
-rw-r--r--erts/emulator/beam/beam_bp.h12
-rw-r--r--erts/emulator/beam/beam_emu.c69
-rw-r--r--erts/emulator/beam/erl_bif_trace.c22
-rw-r--r--erts/emulator/beam/erl_process.c25
-rw-r--r--erts/emulator/beam/global.h1
6 files changed, 350 insertions, 66 deletions
diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c
index 7c85885fa2..48e7b6675a 100644
--- a/erts/emulator/beam/beam_bp.c
+++ b/erts/emulator/beam/beam_bp.c
@@ -630,70 +630,233 @@ static void bp_time_diff(bp_data_time_item_t *item, /* out */
ds = s - pbt->s;
dus = us - pbt->us;
- if (dms > 0) {
- item->s_time = (ds + dms * 1000000);
- } else {
- item->s_time = ds;
+ /* get_sys_now may return zero difftime,
+ * this is ok.
+ */
+
+ ASSERT(dms >= 0 || ds >= 0 || dus >= 0);
+
+ if (dus < 0) {
+ dus += 1000000;
+ ds -= 1;
}
- if ( dus < 0 ) {
- item->us_time = (dus + 1000000);
- item->s_time -= 1;
- } else {
- item->us_time = dus;
+ if (ds < 0) {
+ ds += 1000000;
}
+
+ item->s_time = ds;
+ item->us_time = dus;
}
-void erts_do_time_break(Process *p, BpDataTime *bdt) {
+void erts_schedule_time_break(Process *p, Uint schedule) {
+ Uint ms, s, us;
+ process_breakpoint_time_t *pbt = NULL;
+ Uint ix = 0;
+ bp_data_time_item_t sitem, *item = NULL;
+ bp_time_hash_t *h = NULL;
+
+ ASSERT(p);
+
+ pbt = ERTS_PROC_GET_CALL_TIME(p);
+
+ ASSERT( (p->status == P_RUNNING) ||
+ (p->status == P_WAITING) ||
+ (p->status == P_RUNABLE));
+
+ if (pbt) {
+ get_sys_now(&ms,&s,&us);
+
+ switch(schedule) {
+ case ERTS_BP_CALL_TIME_SCHEDULE_EXITING :
+ case ERTS_BP_CALL_TIME_SCHEDULE_OUT :
+ /* When a process is scheduled _out_,
+ * timestamp it and add its delta to
+ * the previous breakpoint.
+ */
+
+#ifdef ERTS_SMP
+ ix = p->scheduler_data->no - 1;
+#else
+ ix = 0;
+#endif
+ bp_time_diff(&sitem, pbt, ms, s, us);
+ sitem.pid = p->id;
+ sitem.count = 1;
+ /*count is set to 0 if out and 1 if exiting */
+
+ h = &(pbt->bdt->hash[ix]);
+
+ ASSERT(h->item);
+
+ item = bp_hash_get(h, &sitem);
+ if (!item) {
+ item = bp_hash_put(h, &sitem);
+ } else {
+ BP_TIME_ADD(item, &sitem);
+ }
+ break;
+ case ERTS_BP_CALL_TIME_SCHEDULE_IN :
+ /* When a process is scheduled _in_,
+ * timestamp it and remove the previous
+ * timestamp in the psd.
+ */
+ sitem.pid = p->id;
+ sitem.count = -1;
+ sitem.us_time = 0;
+ sitem.s_time = 0;
+
+ h = &(pbt->bdt->hash[ix]);
+
+ ASSERT(h->item);
+
+ item = bp_hash_get(h, &sitem);
+ if (!item) {
+ item = bp_hash_put(h, &sitem);
+ } else {
+ BP_TIME_ADD(item, &sitem);
+ }
+ pbt->ms = ms;
+ pbt->s = s;
+ pbt->us = us;
+ break;
+ default :
+ ASSERT(0);
+ /* will never happen */
+ break;
+ }
+#ifdef DEBUG
+ } else {
+ /* if pbt is null, then the process has just been spawned
+ * and status should be runnable.
+ */
+ ASSERT( (p->status == P_RUNABLE) ||
+ (p->status == P_WAITING));
+#endif
+ } /* pbt */
+}
+
+/* call_time breakpoint
+ * Accumulated times are added to the previous bp,
+ * not the current one. The current one is saved
+ * for future reference.
+ * The previous breakpoint is stored in the process it self, the psd.
+ * We do not need to store in a stack frame.
+ * There is no need for locking, each thread has its own
+ * area in each bp to save data.
+ * Since we need to diffrentiate between processes for each bp,
+ * every bp has a hash (per thread) to process-bp statistics.
+ * - egil
+ */
+
+void erts_do_time_break(Process *p, BpDataTime *bdt, Uint type) {
Uint ms,s,us;
process_breakpoint_time_t *pbt = NULL;
int ix = 0;
+ bp_data_time_item_t sitem, *item = NULL;
+ bp_time_hash_t *h = NULL;
+
+ ASSERT(p);
+ ASSERT(bdt);
+ ASSERT(p->status == P_RUNNING);
/* get previous timestamp and breakpoint
- * from the process' psd */
+ * from the process psd */
+
pbt = ERTS_PROC_GET_CALL_TIME(p);
get_sys_now(&ms,&s,&us);
- if (pbt) {
- bp_data_time_item_t sitem, *item;
- bp_time_hash_t *h;
+ switch(type) {
+ case ERTS_BP_CALL_TIME_CALL:
+ /* get pbt
+ * timestamp = t0
+ * set ts0 to pbt
+ * add call count here?
+ */
+ if (!pbt) {
+ pbt = Alloc(sizeof(process_breakpoint_time_t));
+ (void *) ERTS_PROC_SET_CALL_TIME(p, ERTS_PROC_LOCK_MAIN, pbt);
+ }
+
+ pbt->bdt = bdt; /* needed for schedule? */
+
+ pbt->ms = ms;
+ pbt->s = s;
+ pbt->us = us;
+
+
+ break;
+ case ERTS_BP_CALL_TIME_TAIL_CALL:
+
+ ASSERT(pbt);
#ifdef ERTS_SMP
- ix = p->scheduler_data->no - 1;
+ ix = p->scheduler_data->no - 1;
#else
- ix = 0;
+ ix = 0;
#endif
- bp_time_diff(&sitem, pbt, ms, s, us);
- sitem.pid = p->id;
- sitem.count = 1;
+ bp_time_diff(&sitem, pbt, ms, s, us);
+ sitem.pid = p->id;
+ sitem.count = 1;
- h = &(pbt->bdt->hash[ix]);
+ h = &(bdt->hash[ix]);
- item = bp_hash_get(h, &sitem);
- if (!item) {
- bp_hash_put(h, &sitem);
- } else {
- BP_TIME_ADD(item, &sitem);
- }
+ ASSERT(h->item);
- pbt->bdt = bdt;
- pbt->ms = ms;
- pbt->s = s;
- pbt->us = us;
+ item = bp_hash_get(h, &sitem);
+ if (!item) {
+ item = bp_hash_put(h, &sitem);
+ } else {
+ BP_TIME_ADD(item, &sitem);
+ }
- } else {
- pbt = Alloc(sizeof(process_breakpoint_time_t));
- pbt->bdt = bdt;
- pbt->ms = ms;
- pbt->s = s;
- pbt->us = us;
+ pbt->bdt = bdt; /* needed for schedule? */
- (void *) ERTS_PROC_SET_CALL_TIME(p, ERTS_PROC_LOCK_MAIN, pbt);
- }
+ pbt->ms = ms;
+ pbt->s = s;
+ pbt->us = us;
+ break;
- /* timestamp start of this call
- * save ms, s, us, and bdt to the process.
- */
+
+ case ERTS_BP_CALL_TIME_RETURN:
+ /* get pbt
+ * timestamp = t1
+ * get ts0 from pbt
+ * get item from bdt->hash[bp_hash(p->id)]
+ * ack diff (t1, t0) to item
+ */
+
+ if(pbt) {
+ /* might have been removed due to
+ * trace_pattern(false)
+ */
+#ifdef ERTS_SMP
+ ix = p->scheduler_data->no - 1;
+#else
+ ix = 0;
+#endif
+ bp_time_diff(&sitem, pbt, ms, s, us);
+ sitem.pid = p->id;
+ sitem.count = 1;
+
+ h = &(bdt->hash[ix]);
+
+ ASSERT(h->item);
+
+ item = bp_hash_get(h, &sitem);
+ if (!item) {
+ item = bp_hash_put(h, &sitem);
+ } else {
+ BP_TIME_ADD(item, &sitem);
+ }
+
+ pbt->bdt = NULL;
+ pbt->ms = ms;
+ pbt->s = s;
+ pbt->us = us;
+ }
+ break;
+ }
}
@@ -814,10 +977,14 @@ static int set_function_break(Module *modp, BeamInstr *pc,
Uint i = 0;
/*XXX: must block system */
-
- for (i = 0; i < bdt->n; i++) {
- bp_hash_delete(&(bdt->hash[i]));
- bp_hash_init(&(bdt->hash[i]), 32);
+ if (count_op == erts_break_stop) {
+ bdt->pause = 1;
+ } else {
+ bdt->pause = 0;
+ for (i = 0; i < bdt->n; i++) {
+ bp_hash_delete(&(bdt->hash[i]));
+ bp_hash_init(&(bdt->hash[i]), 32);
+ }
}
} else {
@@ -904,8 +1071,9 @@ static int set_function_break(Module *modp, BeamInstr *pc,
BpDataTime *bdt = (BpDataTime *) bd;
Uint i = 0;
- bdt->n = erts_no_schedulers;
- bdt->hash = Alloc(sizeof(bp_time_hash_t)*(bdt->n));
+ bdt->pause = 0;
+ bdt->n = erts_no_schedulers;
+ bdt->hash = Alloc(sizeof(bp_time_hash_t)*(bdt->n));
for (i = 0; i < bdt->n; i++) {
bp_hash_init(&(bdt->hash[i]), 32);
@@ -1034,10 +1202,35 @@ static int clear_function_break(Module *m, BeamInstr *pc, BeamInstr break_op) {
if (op == (BeamInstr) BeamOp(op_i_time_breakpoint)) {
BpDataTime *bdt = (BpDataTime *) bd;
Uint i = 0;
+ Uint j = 0;
+ Process *h_p = NULL;
+ bp_data_time_item_t *item = NULL;
+ process_breakpoint_time_t *pbt = NULL;
+
+ /* remove all psd associated with the hash
+ * and then delete the hash.
+ * ... sigh ...
+ */
+
for( i = 0; i < bdt->n; ++i) {
+ if (bdt->hash[i].used) {
+ for (j = 0; j < bdt->hash[i].n; ++j) {
+ item = &(bdt->hash[i].item[j]);
+ if (item->pid != NIL) {
+ h_p = process_tab[internal_pid_index(item->pid)];
+ if (h_p) {
+ pbt = ERTS_PROC_SET_CALL_TIME(h_p, ERTS_PROC_LOCK_MAIN, NULL);
+ if (pbt) {
+ Free(pbt);
+ }
+ }
+ }
+ }
+ }
bp_hash_delete(&(bdt->hash[i]));
}
Free(bdt->hash);
+ bdt->hash = NULL;
bdt->n = 0;
}
Free(bd);
diff --git a/erts/emulator/beam/beam_bp.h b/erts/emulator/beam/beam_bp.h
index 58fd65399d..515a06e220 100644
--- a/erts/emulator/beam/beam_bp.h
+++ b/erts/emulator/beam/beam_bp.h
@@ -24,7 +24,6 @@
#include "sys.h"
#include "erl_vm.h"
#include "global.h"
-//#include "hash.h"
@@ -93,6 +92,7 @@ typedef struct bp_data_time { /* Call time */
struct bp_data *next;
struct bp_data *prev;
Uint orig_instr;
+ Uint pause;
Uint n;
bp_time_hash_t *hash;
} BpDataTime;
@@ -106,6 +106,13 @@ typedef struct {
extern erts_smp_spinlock_t erts_bp_lock;
+#define ERTS_BP_CALL_TIME_SCHEDULE_IN (0)
+#define ERTS_BP_CALL_TIME_SCHEDULE_OUT (1)
+#define ERTS_BP_CALL_TIME_SCHEDULE_EXITING (2)
+
+#define ERTS_BP_CALL_TIME_CALL (0)
+#define ERTS_BP_CALL_TIME_RETURN (1)
+#define ERTS_BP_CALL_TIME_TAIL_CALL (2)
#ifdef ERTS_SMP
#define ErtsSmpBPLock(BDC) erts_smp_spin_lock(&erts_bp_lock)
@@ -214,7 +221,8 @@ int erts_is_native_break(BeamInstr *pc);
int erts_is_count_break(BeamInstr *pc, Sint *count_ret);
int erts_is_time_break(Process *p, BeamInstr *pc, Eterm *call_time);
-void erts_do_time_break(Process *p, BpDataTime *bdt);
+void erts_do_time_break(Process *p, BpDataTime *bdt, Uint type);
+void erts_schedule_time_break(Process *p, Uint out);
BeamInstr *erts_find_local_func(Eterm mfa[3]);
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 145ae48590..8661d7cbf5 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -228,9 +228,10 @@ BeamInstr* em_call_traced_function;
** for the refering variable (one of these), and rouge references
** will most likely cause chaos.
*/
-BeamInstr beam_return_to_trace[1]; /* OpCode(i_return_to_trace) */
-BeamInstr beam_return_trace[1]; /* OpCode(i_return_trace) */
-BeamInstr beam_exception_trace[1]; /* UGLY also OpCode(i_return_trace) */
+BeamInstr beam_return_to_trace[1]; /* OpCode(i_return_to_trace) */
+BeamInstr beam_return_trace[1]; /* OpCode(i_return_trace) */
+BeamInstr beam_exception_trace[1]; /* UGLY also OpCode(i_return_trace) */
+BeamInstr beam_time_return_trace[1]; /* OpCode(i_time_return_trace) */
/*
* All Beam instructions in numerical order.
@@ -4411,6 +4412,7 @@ apply_bif_or_nif_epilogue:
OpCase(i_time_breakpoint): {
BeamInstr real_I;
BpDataTime *bdt = (BpDataTime *) (I)[-4];
+ Uint tail_call = 0;
ASSERT((I)[-5] == (Uint) BeamOp(op_i_func_info_IaaI));
ASSERT(bdt);
@@ -4418,12 +4420,53 @@ apply_bif_or_nif_epilogue:
ASSERT(bdt);
(I)[-4] = (Uint) bdt;
real_I = bdt->orig_instr;
- erts_do_time_break(c_p, bdt);
-
ASSERT(VALID_INSTR(real_I));
+
+ if (IS_TRACED_FL(c_p, F_TRACE_CALLS) && !(bdt->pause)) {
+ if (*cp_val((Eterm)c_p->cp) == (BeamInstr) OpCode(i_time_return_trace)) {
+ tail_call = 1;
+ }
+
+ if (tail_call) {
+ /* This _IS_ a tail recursive call */
+ SWAPOUT;
+ erts_do_time_break(c_p, bdt, ERTS_BP_CALL_TIME_TAIL_CALL);
+ SWAPIN;
+ } else {
+ SWAPOUT;
+ erts_do_time_break(c_p, bdt, ERTS_BP_CALL_TIME_CALL);
+
+ ASSERT(c_p->htop <= E && E <= c_p->hend);
+ if (E - 2 < HTOP) {
+ PROCESS_MAIN_CHK_LOCKS(c_p);
+ FCALLS -= erts_garbage_collect(c_p, 2, reg, I[-1]);
+ PROCESS_MAIN_CHK_LOCKS(c_p);
+ }
+ SWAPIN;
+
+ ASSERT(c_p->htop <= E && E <= c_p->hend);
+
+ E -= 2;
+ E[1] = make_cp(c_p->cp); /* original return address */
+ E[0] = make_cp((Uint *)bdt); /* make sure bdt is allocated in low mem (for halfword) */
+ c_p->cp = (Eterm *) make_cp(beam_time_return_trace);
+ }
+ }
+
Goto(real_I);
}
+ OpCase(i_time_return_trace): {
+ BpDataTime *bdt = (BpDataTime *) cp_val((E)[0]);
+ SWAPOUT;
+ erts_do_time_break(c_p, bdt, ERTS_BP_CALL_TIME_RETURN);
+ SWAPIN;
+ c_p->cp = NULL;
+ SET_I((Eterm *) E[1]);
+ E += 2;
+ Goto(*I);
+ }
+
OpCase(i_trace_breakpoint):
if (! IS_TRACED_FL(c_p, F_TRACE_CALLS)) {
BeamInstr real_I;
@@ -4973,13 +5016,15 @@ apply_bif_or_nif_epilogue:
em_call_error_handler = OpCode(call_error_handler);
em_call_traced_function = OpCode(call_traced_function);
em_apply_bif = OpCode(apply_bif);
- beam_apply[0] = (BeamInstr) OpCode(i_apply);
- beam_apply[1] = (BeamInstr) OpCode(normal_exit);
- beam_exit[0] = (BeamInstr) OpCode(error_action_code);
- beam_continue_exit[0] = (BeamInstr) OpCode(continue_exit);
- beam_return_to_trace[0] = (BeamInstr) OpCode(i_return_to_trace);
- beam_return_trace[0] = (BeamInstr) OpCode(return_trace);
- beam_exception_trace[0] = (BeamInstr) OpCode(return_trace); /* UGLY */
+
+ beam_apply[0] = (BeamInstr) OpCode(i_apply);
+ beam_apply[1] = (BeamInstr) OpCode(normal_exit);
+ beam_exit[0] = (BeamInstr) OpCode(error_action_code);
+ beam_continue_exit[0] = (BeamInstr) OpCode(continue_exit);
+ beam_return_to_trace[0] = (BeamInstr) OpCode(i_return_to_trace);
+ beam_return_trace[0] = (BeamInstr) OpCode(return_trace);
+ beam_exception_trace[0] = (BeamInstr) OpCode(return_trace); /* UGLY */
+ beam_time_return_trace[0] = (BeamInstr) OpCode(i_time_return_trace);
/*
* Enter all BIFs into the export table.
diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c
index 26390d397c..1e626533a4 100644
--- a/erts/emulator/beam/erl_bif_trace.c
+++ b/erts/emulator/beam/erl_bif_trace.c
@@ -41,11 +41,11 @@
#define DECL_AM(S) Eterm AM_ ## S = am_atom_put(#S, sizeof(#S) - 1)
static erts_smp_mtx_t trace_pattern_mutex;
-const struct trace_pattern_flags erts_trace_pattern_flags_off = {0, 0, 0, 0};
+const struct trace_pattern_flags erts_trace_pattern_flags_off = {0, 0, 0, 0, 0};
static int erts_default_trace_pattern_is_on;
static Binary *erts_default_match_spec;
static Binary *erts_default_meta_match_spec;
-static struct trace_pattern_flags erts_default_trace_pattern_flags;
+struct trace_pattern_flags erts_default_trace_pattern_flags;
static Eterm erts_default_meta_tracer_pid;
static void new_seq_trace_token(Process* p); /* help func for seq_trace_2*/
@@ -1058,7 +1058,22 @@ trace_info_func(Process* p, Eterm func_spec, Eterm key)
mfa[1] = tp[2];
mfa[2] = signed_val(tp[3]);
+#ifdef ERTS_SMP
+ if ( (key == am_call_time) || (key == am_all)) {
+ erts_smp_proc_unlock(p, ERTS_PROC_LOCK_MAIN);
+ erts_smp_block_system(0);
+ }
+#endif
+
r = function_is_traced(p, mfa, &ms, &ms_meta, &meta, &count, &call_time);
+
+#ifdef ERTS_SMP
+ if ( (key == am_call_time) || (key == am_all)) {
+ erts_smp_release_system();
+ erts_smp_proc_lock(p, ERTS_PROC_LOCK_MAIN);
+ }
+#endif
+
switch (r) {
case FUNC_TRACE_NOEXIST:
UnUseTmpHeap(3,p);
@@ -1429,6 +1444,7 @@ erts_set_trace_pattern(Eterm* mfa, int specified,
erts_clear_trace_break(mfa, specified);
erts_clear_mtrace_break(mfa, specified);
erts_clear_count_break(mfa, specified);
+ erts_clear_time_break(mfa, specified);
} else {
int m = 0;
if (flags.local) {
@@ -1460,7 +1476,7 @@ erts_set_trace_pattern(Eterm* mfa, int specified,
if (flags.call_count) {
m = erts_clear_count_break(mfa, specified);
}
- if (flags.call_count) {
+ if (flags.call_time) {
m = erts_clear_time_break(mfa, specified);
}
/* All assignments to 'm' above should give the same value,
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 4befa0aca9..5293fabe87 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -38,6 +38,7 @@
#include "erl_instrument.h"
#include "erl_threads.h"
#include "erl_binary.h"
+#include "beam_bp.h"
#define ERTS_RUNQ_CHECK_BALANCE_REDS_PER_SCHED (2000*CONTEXT_REDS)
#define ERTS_RUNQ_CALL_CHECK_BALANCE_REDS \
@@ -5877,6 +5878,11 @@ Process *schedule(Process *p, int calls)
}
if (IS_TRACED(p)) {
+ if (IS_TRACED_FL(p, F_TRACE_CALLS) &&
+ erts_default_trace_pattern_flags.call_time &&
+ p->status != P_FREE) {
+ erts_schedule_time_break(p, ERTS_BP_CALL_TIME_SCHEDULE_OUT);
+ }
switch (p->status) {
case P_EXITING:
if (ARE_TRACE_FLAGS_ON(p, F_TRACE_SCHED_EXIT))
@@ -6313,7 +6319,11 @@ Process *schedule(Process *p, int calls)
trace_virtual_sched(p, am_in);
break;
}
+ if (IS_TRACED_FL(p, F_TRACE_CALLS) && erts_default_trace_pattern_flags.call_time) {
+ erts_schedule_time_break(p, ERTS_BP_CALL_TIME_SCHEDULE_IN);
+ }
}
+
if (p->status != P_EXITING)
p->status = P_RUNNING;
@@ -8056,8 +8066,13 @@ erts_do_exit_process(Process* p, Eterm reason)
ERTS_SMP_MSGQ_MV_INQ2PRIVQ(p);
#endif
- if (IS_TRACED_FL(p,F_TRACE_PROCS))
- trace_proc(p, p, am_exit, reason);
+ if (IS_TRACED(p)) {
+ if (IS_TRACED_FL(p, F_TRACE_CALLS) && erts_default_trace_pattern_flags.call_time)
+ erts_schedule_time_break(p, ERTS_BP_CALL_TIME_SCHEDULE_EXITING);
+
+ if (IS_TRACED_FL(p,F_TRACE_PROCS))
+ trace_proc(p, p, am_exit, reason);
+ }
erts_trace_check_exiting(p->id);
@@ -8106,6 +8121,8 @@ continue_exit_process(Process *p
Eterm reason = p->fvalue;
DistEntry *dep;
struct saved_calls *scb;
+ process_breakpoint_time_t *pbt;
+
#ifdef DEBUG
int yield_allowed = 1;
#endif
@@ -8245,6 +8262,7 @@ continue_exit_process(Process *p
? ERTS_PROC_SET_DIST_ENTRY(p, ERTS_PROC_LOCKS_ALL, NULL)
: NULL);
scb = ERTS_PROC_SET_SAVED_CALLS_BUF(p, ERTS_PROC_LOCKS_ALL, NULL);
+ pbt = ERTS_PROC_SET_CALL_TIME(p, ERTS_PROC_LOCKS_ALL, NULL);
erts_smp_proc_unlock(p, ERTS_PROC_LOCKS_ALL);
processes_busy--;
@@ -8287,6 +8305,9 @@ continue_exit_process(Process *p
if (scb)
erts_free(ERTS_ALC_T_CALLS_BUF, (void *) scb);
+ if (pbt)
+ erts_free(ERTS_ALC_T_BPD, (void *) pbt);
+
delete_process(p);
erts_smp_proc_lock(p, ERTS_PROC_LOCK_MAIN);
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 711b613028..8d087fd7d6 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1744,6 +1744,7 @@ struct trace_pattern_flags {
unsigned int call_time : 1; /* Fast call time breakpoint */
};
extern const struct trace_pattern_flags erts_trace_pattern_flags_off;
+extern struct trace_pattern_flags erts_default_trace_pattern_flags; /* used with blocksystem */
int erts_set_trace_pattern(Eterm* mfa, int specified,
Binary* match_prog_set, Binary *meta_match_prog_set,
int on, struct trace_pattern_flags,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 14:22:30 +0000