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authorRickard Green <[email protected]>2012-02-27 18:45:47 +0100
committerRickard Green <[email protected]>2012-04-27 12:41:57 +0200
commit4bcffe41e193bfa03f54f77e2158b3d989a001d0 (patch)
tree322a8c6f5f7de2458b0fbd274cb5356a76689519 /erts/emulator/hipe
parent414f4fb8dc9a188f8148a1f92e5f9125108e170d (diff)
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Optimize process state changes
Diffstat (limited to 'erts/emulator/hipe')
-rw-r--r--erts/emulator/hipe/hipe_debug.c2
-rw-r--r--erts/emulator/hipe/hipe_mode_switch.c10
2 files changed, 4 insertions, 8 deletions
diff --git a/erts/emulator/hipe/hipe_debug.c b/erts/emulator/hipe/hipe_debug.c
index 7ca11f8c6c..37615bf718 100644
--- a/erts/emulator/hipe/hipe_debug.c
+++ b/erts/emulator/hipe/hipe_debug.c
@@ -188,8 +188,6 @@ void hipe_print_pcb(Process *p)
U("old_htop ", old_htop);
U("old_head ", old_heap);
U("min_heap_..", min_heap_size);
- U("status ", status);
- U("rstatus ", rstatus);
U("rcount ", rcount);
U("id ", id);
U("prio ", prio);
diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c
index 6a3ce5608f..3c782b2f56 100644
--- a/erts/emulator/hipe/hipe_mode_switch.c
+++ b/erts/emulator/hipe/hipe_mode_switch.c
@@ -360,7 +360,8 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
p->flags &= ~F_HIBERNATE_SCHED;
goto do_schedule;
}
- if (p->status == P_WAITING) {
+
+ if (!(erts_smp_atomic32_read_acqb(&p->state) & ERTS_PSFLG_ACTIVE)) {
for (i = 0; i < p->arity; ++i)
p->arg_reg[i] = reg[i];
goto do_schedule;
@@ -451,10 +452,6 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
case HIPE_MODE_SWITCH_RES_SUSPEND: {
p->i = hipe_beam_pc_resume;
p->arity = 0;
- erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
- if (p->status != P_SUSPENDED)
- erts_add_to_runq(p);
- erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
goto do_schedule;
}
case HIPE_MODE_SWITCH_RES_WAIT:
@@ -470,7 +467,8 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
#endif
p->i = hipe_beam_pc_resume;
p->arity = 0;
- p->status = P_WAITING;
+ erts_smp_atomic32_read_band_relb(&p->state,
+ ~ERTS_PSFLG_ACTIVE);
erts_smp_proc_unlock(p, ERTS_PROC_LOCKS_MSG_RECEIVE);
do_schedule:
{