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fa70a35dc4
Summary: Files that don't pass pyre strict are annotated with # pyre-unsafe Reviewed By: xavierd Differential Revision: D37160746 fbshipit-source-id: 9701cada3c8afc80f3b65e770120ce8bf66d3a10
113 lines
3.1 KiB
Python
113 lines
3.1 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) Meta Platforms, Inc. and affiliates.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2.
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# pyre-unsafe
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"""
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Helper function to print the heading of a Stat Call.
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"""
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from typing import TextIO
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def write_heading(heading: str, out: TextIO) -> None:
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border = "*" * len(heading)
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out.write(_center_strip_right(border, 80))
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out.write(_center_strip_right(heading, 80))
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out.write(_center_strip_right(border, 80) + "\n")
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LATENCY_FORMAT_STR = "{:<12} {:^4} {:^10} {:>10} {:>15} {:>10} {:>10}\n"
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# Prints a record of latencies with avg, 50'th,90'th and 99'th percentile.
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def write_latency_record(operation: str, matrix, out: TextIO) -> None:
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border = "-" * 80
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percentile = {0: "avg", 1: "p50", 2: "p90", 3: "p99"}
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for i in range(len(percentile)):
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operation_name = ""
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if i == int(len(percentile) / 2):
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operation_name = operation
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out.write(
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LATENCY_FORMAT_STR.format(
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operation_name,
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"|",
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percentile[i],
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matrix[i][0],
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matrix[i][1],
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matrix[i][2],
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matrix[i][3],
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)
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)
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out.write(border + "\n")
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def write_latency_table(table, out: TextIO) -> None:
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out.write(
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LATENCY_FORMAT_STR.format(
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"SystemCall",
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"|",
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"Percentile",
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"Last Minute",
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"Last 10 Minutes",
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"Last Hour",
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"All Time",
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)
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)
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border = "-" * 80
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out.write(border + "\n")
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for key in table:
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write_latency_record(key, table[key], out)
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def write_table(table, heading: str, out: TextIO) -> None:
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key_width = max([len(heading)] + list(map(len, table.keys()))) + 2
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format_str = "{:<{}}{:>15}{:>15}{:>15}{:>15}\n"
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out.write(
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format_str.format(
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heading, key_width, "Last Minute", "Last 10m", "Last Hour", "All Time"
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)
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)
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border = "-" * (key_width + 60)
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out.write(border + "\n")
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for key in table:
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value = table[key]
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out.write(
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format_str.format(key, key_width, value[0], value[1], value[2], value[3])
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)
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def _center_strip_right(text: str, width: int) -> str:
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"""Returns a string with sufficient leading whitespace such that `text`
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would be centered within the specified `width` plus a trailing newline."""
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space = (width - len(text)) // 2
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return space * " " + text + "\n"
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def format_size(size: int) -> str:
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if size > 1000000000:
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return "{:.1f} GB".format(size / 1000000000)
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if size > 1000000:
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return "{:.1f} MB".format(size / 1000000)
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if size > 1000:
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return "{:.1f} KB".format(size / 1000)
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if size > 0:
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return "{} B".format(size)
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return "0"
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def format_time(time: int) -> str:
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if time >= 86400:
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return "{:.1f} day(s)".format(time / 86400)
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elif time >= 3600:
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return "{:.1f} hour(s)".format(time / 3600)
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elif time >= 60:
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return "{:.1f} minute(s)".format(time / 60)
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else:
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return "{} second(s)".format(time)
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