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| author |   Martin Jansa <Martin.Jansa@gmail.com> | 2023-08-15 12:00:42 +0200 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2023-08-24 16:49:33 +0100 |
| commit | 21c17968f801e406ef7f328656587fadd9ef7f5d (patch) | |
| tree | da2a5c863887b6ae9f2e389def6fe0542454fddd | |
| parent | ae4dfa2a31c74c0c6c2b14cece822ed1f3d79723 (diff) | |
| download | bitbake-contrib-21c17968f801e406ef7f328656587fadd9ef7f5d.tar.gz | |
runqueue: show more pressure data
* with latest bitbake I'm seeing very low number of bitbake tasks
executed in parallel, probably due to pressure regulation
show the values this is based on in the note
* also simplify a bit by counting the pressure and exceeds signs
only once
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
| -rw-r--r-- | lib/bb/runqueue.py | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/lib/bb/runqueue.py b/lib/bb/runqueue.py index 17da1bc1a..26c2d5177 100644 --- a/lib/bb/runqueue.py +++ b/lib/bb/runqueue.py @@ -201,21 +201,23 @@ class RunQueueScheduler(object): now = time.time() tdiff = now - self.prev_pressure_time psi_accumulation_interval = 1.0 + cpu_pressure = (float(curr_cpu_pressure) - float(self.prev_cpu_pressure)) / tdiff + io_pressure = (float(curr_io_pressure) - float(self.prev_io_pressure)) / tdiff + memory_pressure = (float(curr_memory_pressure) - float(self.prev_memory_pressure)) / tdiff + exceeds_cpu_pressure = self.rq.max_cpu_pressure and cpu_pressure > self.rq.max_cpu_pressure + exceeds_io_pressure = self.rq.max_io_pressure and io_pressure > self.rq.max_io_pressure + exceeds_memory_pressure = self.rq.max_memory_pressure and memory_pressure > self.rq.max_memory_pressure + 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 self.prev_cpu_pressure = curr_cpu_pressure self.prev_io_pressure = curr_io_pressure 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)) / 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) + pressure_values = (round(cpu_pressure,1), self.rq.max_cpu_pressure, round(io_pressure,1), self.rq.max_io_pressure, round(memory_pressure,1), self.rq.max_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) + bb.note("Pressure status changed to CPU: %s, IO: %s, Mem: %s (CPU: %s/%s, IO: %s/%s, Mem: %s/%s)" % (pressure_state + pressure_values)) self.pressure_state = pressure_state return (exceeds_cpu_pressure or exceeds_io_pressure or exceeds_memory_pressure) return False |