diff options
| -rw-r--r-- | lib/bb/runqueue.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/bb/runqueue.py b/lib/bb/runqueue.py index ab9e3fbe8..830af8eef 100644 --- a/lib/bb/runqueue.py +++ b/lib/bb/runqueue.py @@ -200,7 +200,8 @@ class RunQueueScheduler(object): curr_memory_pressure = memory_pressure_fds.readline().split()[4].split("=")[1] now = time.time() tdiff = now - self.prev_pressure_time - if tdiff > 1.0: + psi_accumulation_interval = 1.0 + if tdiff > psi_accumulation_interval: exceeds_cpu_pressure = self.rq.max_cpu_pressure and (float(curr_cpu_pressure) - float(self.prev_cpu_pressure)) / tdiff > self.rq.max_cpu_pressure exceeds_io_pressure = self.rq.max_io_pressure and (float(curr_io_pressure) - float(self.prev_io_pressure)) / tdiff > self.rq.max_io_pressure exceeds_memory_pressure = self.rq.max_memory_pressure and (float(curr_memory_pressure) - float(self.prev_memory_pressure)) / tdiff > self.rq.max_memory_pressure @@ -209,9 +210,9 @@ class RunQueueScheduler(object): self.prev_memory_pressure = curr_memory_pressure self.prev_pressure_time = now else: - exceeds_cpu_pressure = self.rq.max_cpu_pressure and (float(curr_cpu_pressure) - float(self.prev_cpu_pressure)) > self.rq.max_cpu_pressure - exceeds_io_pressure = self.rq.max_io_pressure and (float(curr_io_pressure) - float(self.prev_io_pressure)) > self.rq.max_io_pressure - exceeds_memory_pressure = self.rq.max_memory_pressure and (float(curr_memory_pressure) - float(self.prev_memory_pressure)) > self.rq.max_memory_pressure + exceeds_cpu_pressure = self.rq.max_cpu_pressure and (float(curr_cpu_pressure) - float(self.prev_cpu_pressure)) / tdiff > self.rq.max_cpu_pressure + exceeds_io_pressure = self.rq.max_io_pressure and (float(curr_io_pressure) - float(self.prev_io_pressure)) / tdiff > self.rq.max_io_pressure + exceeds_memory_pressure = self.rq.max_memory_pressure and (float(curr_memory_pressure) - float(self.prev_memory_pressure)) / tdiff > self.rq.max_memory_pressure pressure_state = (exceeds_cpu_pressure, exceeds_io_pressure, exceeds_memory_pressure) if hasattr(self, "pressure_state") and pressure_state != self.pressure_state: bb.note("Pressure status changed to CPU: %s, IO: %s, Mem: %s" % pressure_state) |