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EPOCH(9): Avoid inline functions

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FreeBSD changed the epoch_enter() and epoch_exit() inline functions into
proper functions after a performance analysis to avoid code bloat.
This commit is contained in:
Sebastian Huber
2019-07-09 13:24:38 +02:00
parent 313e1d5f1c
commit 70b50ff98a
2 changed files with 35 additions and 27 deletions
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33
rtemsbsd/rtems/rtems-kernel-epoch.c
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@@ -42,9 +42,13 @@
#include <rtems.h>
#include <rtems/irq-extension.h>
#include <rtems/score/smpimpl.h>
#include <rtems/score/threaddispatch.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/watchdogimpl.h>
#define EPOCH_GET_RECORD(cpu_self, epoch) PER_CPU_DATA_GET_BY_OFFSET( \
cpu_self, struct epoch_record, epoch->e_pcpu_record_offset)
EPOCH_DEFINE(_bsd_global_epoch_preempt, EPOCH_PREEMPT);
EPOCH_DEFINE(_bsd_global_epoch, 0);
@@ -175,6 +179,29 @@ epoch_sysinit(void)
}
SYSINIT(epoch, SI_SUB_TUNABLES, SI_ORDER_SECOND, epoch_sysinit, NULL);
void
epoch_enter(epoch_t epoch)
{
Per_CPU_Control *cpu_self;
struct epoch_record *er;
cpu_self = _Thread_Dispatch_disable();
er = EPOCH_GET_RECORD(cpu_self, epoch);
ck_epoch_begin(&er->er_record, NULL);
}
void
epoch_exit(epoch_t epoch)
{
Per_CPU_Control *cpu_self;
struct epoch_record *er;
cpu_self = _Per_CPU_Get();
er = EPOCH_GET_RECORD(cpu_self, epoch);
ck_epoch_end(&er->er_record, NULL);
_Thread_Dispatch_enable(cpu_self);
}
void
epoch_enter_preempt(epoch_t epoch, epoch_tracker_t et)
{
@@ -266,12 +293,16 @@ epoch_block_handler_preempt(struct ck_epoch *g __unused,
{
struct epoch_record *er;
Per_CPU_Control *cpu_self;
uint32_t cpu_self_index;
struct epoch_tracker_mutex etm;
#ifdef RTEMS_SMP
uint32_t cpu_self_index;
#endif
er = __containerof(cr, struct epoch_record, er_record);
cpu_self = _Per_CPU_Get();
#ifdef RTEMS_SMP
cpu_self_index = _Per_CPU_Get_index(cpu_self);
#endif
rtems_mutex_init(&etm.etm_mtx, "epoch");
etm.etm_record = er;