# flamegraph.py - create flame graphs from perf samples # SPDX-License-Identifier: GPL-2.0 # # Usage: # # perf record -a -g -F 99 sleep 60 # perf script report flamegraph # # Combined: # # perf script flamegraph -a -F 99 sleep 60 # # Written by Andreas Gerstmayr # Flame Graphs invented by Brendan Gregg # Works in tandem with d3-flame-graph by Martin Spier from __future__ import print_function import sys import os import io import argparse import json class Node: def __init__(self, name, libtype=""): self.name = name self.libtype = libtype self.value = 0 self.children = [] def toJSON(self): return { "n": self.name, "l": self.libtype, "v": self.value, "c": self.children } class FlameGraphCLI: def __init__(self, args): self.args = args self.stack = Node("root") if self.args.format == "html" and \ not os.path.isfile(self.args.template): print("Flame Graph template {} does not exist. Please install " "the js-d3-flame-graph (RPM) or libjs-d3-flame-graph (deb) " "package, specify an existing flame graph template " "(--template PATH) or another output format " "(--format FORMAT).".format(self.args.template), file=sys.stderr) sys.exit(1) def find_or_create_node(self, node, name, dso): libtype = "kernel" if dso == "[kernel.kallsyms]" else "" if name is None: name = "[unknown]" for child in node.children: if child.name == name and child.libtype == libtype: return child child = Node(name, libtype) node.children.append(child) return child def process_event(self, event): node = self.find_or_create_node(self.stack, event["comm"], None) if "callchain" in event: for entry in reversed(event['callchain']): node = self.find_or_create_node( node, entry.get("sym", {}).get("name"), event.get("dso")) else: node = self.find_or_create_node( node, entry.get("symbol"), event.get("dso")) node.value += 1 def trace_end(self): json_str = json.dumps(self.stack, default=lambda x: x.toJSON()) if self.args.format == "html": try: with io.open(self.args.template, encoding="utf-8") as f: output_str = f.read().replace("/** @flamegraph_json **/", json_str) except IOError as e: print("Error reading template file: {}".format(e), file=sys.stderr) sys.exit(1) output_fn = self.args.output or "flamegraph.html" else: output_str = json_str output_fn = self.args.output or "stacks.json" if output_fn == "-": with io.open(sys.stdout.fileno(), "w", encoding="utf-8", closefd=False) as out: out.write(output_str) else: print("dumping data to {}".format(output_fn)) try: with io.open(output_fn, "w", encoding="utf-8") as out: out.write(output_str) except IOError as e: print("Error writing output file: {}".format(e), file=sys.stderr) sys.exit(1) if __name__ == "__main__": parser = argparse.ArgumentParser(description="Create flame graphs.") parser.add_argument("-f", "--format", default="html", choices=["json", "html"], help="output file format") parser.add_argument("-o", "--output", help="output file name") parser.add_argument("--template", default="/usr/share/d3-flame-graph/d3-flamegraph-base.html", help="path to flamegraph HTML template") parser.add_argument("-i", "--input", help=argparse.SUPPRESS) args = parser.parse_args() cli = FlameGraphCLI(args) process_event = cli.process_event trace_end = cli.trace_end option> Hosts the 0x221E linux distro kernel.Ubuntu
summaryrefslogtreecommitdiff
path: root/drivers/input/serio/Kconfig
AgeCommit message (Expand)Author
2019-04-23Input: olpc_apsp - depend on ARCH_MMPJean Delvare
2019-01-13Merge tag 'v4.20' into nextDmitry Torokhov
2018-11-15Input: olpc_apsp - drop CONFIG_OLPC dependencyLubomir Rintel
2018-06-15docs: fix broken references with multiple hintsMauro Carvalho Chehab
2018-01-18Input: remove at32psifCorentin Labbe
2017-08-28Input: PS/2 gpio bit banging driver for serio busDanilo Krummrich
2015-10-27Input: add userio moduleStephen Chandler Paul
2015-06-29Input: arc_ps2 - add HAS_IOMEM dependencySebastian Ott
2015-01-26Input: serio - add support for Alwinner A10/A20 PS/2 controllerVishnu Patekar
2014-03-23Input: olpc_apsp - fix dependencies of OLPC AP-SP driverJean Delvare
2014-01-02Input: i8042 - cleanup SERIO_I8042 dependenciesMark Salter
2013-11-15Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dto...Linus Torvalds
2013-10-31Input: allow deselecting serio drivers even without CONFIG_EXPERTTom Gundersen
2013-10-08Merge tag 'v3.12-rc4' into nextDmitry Torokhov
2013-09-25input: i8042: drop dependency on ARCH_SHARKLinus Walleij
2013-09-19Input: add a driver to support Hyper-V synthetic keyboardK. Y. Srinivasan
2013-09-13Remove GENERIC_HARDIRQ config optionMartin Schwidefsky
2013-08-29Input: i8042 - disable the driver on ARC platformsMischa Jonker
2013-07-02Merge branch 'next' into for-linusDmitry Torokhov
2013-06-30Input: add OLPC AP-SP driverDaniel Drake
2013-06-10Input: add missing dependencies on CONFIG_HAS_IOMEMBen Hutchings
2013-03-17Merge tag 'v3.9-rc3' into nextDmitry Torokhov
2013-03-12Input: add support for GRLIB APBPS2 PS/2 Keyboard/MouseDaniel Hellstrom
2013-02-28input: disable i8042 PC Keyboard controller for s390Heiko Carstens
2013-02-21Merge tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/greg...Linus Torvalds
2013-02-13Input: add couple of missing GENERIC_HARDIRQS dependenciesHeiko Carstens
2013-02-06input: drop unnecessary dependencies on TTYJoe Millenbach
2013-01-18tty: Added a CONFIG_TTY option to allow removal of TTYJoe Millenbach
2012-10-22Input: serio - add ARC PS/2 driverMischa Jonker