def show_summary(trace: ProcessedTrace) -> None:
print(f"{trace.NumberGCs} GCs")
for k, v in trace.number_gcs_in_each_generation.items():
print(f" {k.name}: {v}")
print(f"{trace.HeapCount} heaps")
for m in ("HeapSizeAfterMB_Mean", "HeapSizeAfterMB_Max"):
print(f"{m}: {trace.unwrap_metric_from_name(m)}")
# TODO: how to get mean/max memory load? Is it possible?
metrics: Sequence[str] = ("PauseDurationMSec", "PromotedMBPerSec",
"HeapSizeAfterMB")
num_metrics = len(metrics)
kind_to_metric_to_values: List[List[List[float]]] = [
[[] for _ in range(num_metrics)] for _ in range(4)
]
for gc in trace.gcs:
gc_kind = get_gc_kind(gc)
for metric_index, metric in enumerate(metrics):
metric_index_to_values = kind_to_metric_to_values[enum_value(
gc_kind)]
values = metric_index_to_values[metric_index]
values.append(gc.unwrap_metric_from_name(metric))
for kind in GCKind:
histograms: List[BasicHistogram] = []
for metric_index, metric in enumerate(metrics):
histograms.append(
BasicHistogram(
values=kind_to_metric_to_values[enum_value(kind)]
[metric_index],
name=metric,
x_label=kind.name,
))
basic_chart(histograms)
def _custom2(trace: ProcessedTrace) -> None:
gen_to_suspension_datas: List[List[_SuspensionData]] = [[] for _ in range(3)]
for gc in trace.gcs:
if gc.PauseDurationMSec < 50:
continue
gen_to_suspension_datas[enum_value(gc.Generation)].append(
_SuspensionData(
PauseToStartMSec=gc.SuspendToGCStartMSec,
DurationMSec=gc.DurationMSec,
PauseDurationMSec=gc.PauseDurationMSec,
SuspendDurationMSec=gc.SuspendDurationMSec,
PromotedMB=gc.PromotedMB,
)
)
for gen in ALL_GC_GENS:
print(f"\n=== {gen.name} suspensions ===\n")
rows = []
for susp_data in sorted(
gen_to_suspension_datas[0], key=lambda sd: sd.DurationMSec, reverse=True
):
rows.append(
[
Cell(x)
for x in (
susp_data.PauseDurationMSec,
susp_data.DurationMSec,
# susp_data.PctPauseFromSuspend,
# susp_data.PauseToStartMSec,
susp_data.SuspendDurationMSec,
# susp_data.SuspensionPercent,
susp_data.PromotedMB,
susp_data.PromotedMBPerSec,
)
]
)
handle_doc(
single_table_document(
Table(
headers=(
"pause msec",
"duration msec",
# "pause %",
# "pause to start",
"suspend msec",
# "suspend %",
"promoted mb",
"promoted mb/sec",
),
rows=rows,
)
)
)
