# 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 Hosts the 0x221E linux distro kernel.Ubuntu
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path: root/drivers/pinctrl/actions
AgeCommit message (Expand)Author
2020-09-12pinctrl: actions: pinctrl-s900: Constify s900_padinfo[]Rikard Falkeborn
2020-09-12pinctrl: actions: pinctrl-s700: Constify s700_padinfo[]Rikard Falkeborn
2020-09-12pinctrl: actions: pinctrl-owl: Constify owl_pinctrl_ops and owl_pinmux_opsRikard Falkeborn
2020-08-27pinctrl: actions: Add Actions S500 pinctrl driverCristian Ciocaltea
2020-07-16pinctrl: actions: pinctrl-owl: Supply missing 'struct owl_pinctrl' attribute ...Lee Jones
2020-04-16pinctrl: actions: fix function group name for i2c0_groupAmit Singh Tomar
2020-02-14pinctrl: actions: Fix functions groups names for S700 SoCMatheus Castello
2020-01-07pinctrl: actions: remove duplicate dsi entryBen Dooks (Codethink)
2019-11-05pinctrl: use devm_platform_ioremap_resource() to simplify codeYueHaibing
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner
2018-11-19pinctrl: actions: Add Actions Semi S700 pinctrl driverSaravanan Sekar
2018-11-19pinctrl: actions: define pad control configurtion to SoC specificSaravanan Sekar
2018-11-19pinctrl: actions: define constructor generic to Actions Semi SoC'sSaravanan Sekar
2018-08-14Merge tag 'pinctrl-v4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/...Linus Torvalds
2018-07-02pinctrl: actions: fix unsigned less than zero comparisonColin Ian King
2018-06-29pinctrl: actions: Add interrupt support for OWL S900 SoCManivannan Sadhasivam
2018-06-18pinctrl: actions: Fix uninitialized error in owl_pin_config_set()Geert Uytterhoeven
2018-05-23pinctrl: actions: Add gpio support for Actions S900 SoCManivannan Sadhasivam
2018-05-02pinctrl: actions: Fix Kconfig dependency and help textManivannan Sadhasivam
2018-05-02pinctrl: actions: fix missing break in PIN_CONFIG_DRIVE_STRENGTH case.Colin Ian King
2018-05-02pinctrl: actions: make s900_functions, s900_padinfo and s900_pads staticColin Ian King
2018-05-02pinctrl: actions: Add Actions S900 pinctrl driverManivannan Sadhasivam