CLEANUP: task: rename ->call_date to ->wake_date
This field is misnamed because its real and important content is the
date the task was woken up, not the date it was called. It temporarily
holds the call date during execution but this remains confusing. In
fact before the latency measurements were possible it was indeed a call
date. Thus is will now be called wake_date.
This change is necessary because a subsequent fix will require the
introduction of the real call date in the thread ctx.
diff --git a/src/task.c b/src/task.c
index 395bc9a..44aac72 100644
--- a/src/task.c
+++ b/src/task.c
@@ -233,7 +233,7 @@
}
if (_HA_ATOMIC_LOAD(&th_ctx->flags) & TH_FL_TASK_PROFILING)
- t->call_date = now_mono_time();
+ t->wake_date = now_mono_time();
eb32_insert(root, &t->rq);
@@ -573,9 +573,9 @@
profile_entry = sched_activity_entry(sched_activity, t->process);
before = now_mono_time();
- if (((struct tasklet *)t)->call_date) {
- HA_ATOMIC_ADD(&profile_entry->lat_time, (uint32_t)(before - ((struct tasklet *)t)->call_date));
- ((struct tasklet *)t)->call_date = 0;
+ if (((struct tasklet *)t)->wake_date) {
+ HA_ATOMIC_ADD(&profile_entry->lat_time, (uint32_t)(before - ((struct tasklet *)t)->wake_date));
+ ((struct tasklet *)t)->wake_date = 0;
}
}
@@ -627,12 +627,12 @@
/* OK then this is a regular task */
_HA_ATOMIC_DEC(&ha_thread_ctx[tid].tasks_in_list);
- if (unlikely(t->call_date)) {
+ if (unlikely(t->wake_date)) {
uint64_t now_ns = now_mono_time();
- uint64_t lat = now_ns - t->call_date;
+ uint64_t lat = now_ns - t->wake_date;
t->lat_time += lat;
- t->call_date = now_ns;
+ t->wake_date = now_ns;
profile_entry = sched_activity_entry(sched_activity, t->process);
HA_ATOMIC_ADD(&profile_entry->lat_time, lat);
HA_ATOMIC_INC(&profile_entry->calls);
@@ -665,11 +665,11 @@
* immediately, else we defer it into wait queue
*/
if (t != NULL) {
- if (unlikely(t->call_date)) {
- uint64_t cpu = now_mono_time() - t->call_date;
+ if (unlikely(t->wake_date)) {
+ uint64_t cpu = now_mono_time() - t->wake_date;
t->cpu_time += cpu;
- t->call_date = 0;
+ t->wake_date = 0;
HA_ATOMIC_ADD(&profile_entry->cpu_time, cpu);
}