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Thu, 12 Dec 2019 01:03:04 -0800 (PST) From: "Yordan Karadzhov (VMware)" To: linux-trace-devel@vger.kernel.org Cc: rostedt@goodmis.org, Valentin.Schneider@arm.com, douglas.raillard@arm.com, "Yordan Karadzhov (VMware)" Subject: [PATCH 4/5] Add "utils" Date: Thu, 12 Dec 2019 11:02:31 +0200 Message-Id: <20191212090232.24236-5-y.karadz@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191212090232.24236-1-y.karadz@gmail.com> References: <20191212090232.24236-1-y.karadz@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-trace-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org Place the rest of the code, that is pure Python in tracecrunche/utils.py Signed-off-by: Yordan Karadzhov (VMware) --- tracecruncher/utils.py | 54 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 tracecruncher/utils.py diff --git a/tracecruncher/utils.py b/tracecruncher/utils.py new file mode 100644 index 0000000..f785c01 --- /dev/null +++ b/tracecruncher/utils.py @@ -0,0 +1,54 @@ +""" +SPDX-License-Identifier: LGPL-2.1 + +Copyright 2019 VMware Inc, Yordan Karadzhov (VMware) +""" + +import json + +from . import datawrapper as dw +from . import ksharkpy as ks + +def size(data): + """ Get the number of trace records. + """ + for key in dw.data_column_types: + if data[key] is not None: + return data[key].size + + raise Exception('Data size is unknown.') + +def save_session(session, s): + """ Save a KernelShark session description of a JSON file. + """ + s.seek(0) + json.dump(session, s, indent=4) + s.truncate() + + +def new_gui_session(fname, sname): + """ Generate and save a default KernelShark session description + file (JSON). + """ + ks.new_session_file(fname, sname) + + with open(sname, 'r+') as s: + session = json.load(s) + + session['Filters']['filter mask'] = 7 + session['CPUPlots'] = [] + session['TaskPlots'] = [] + session['Splitter'] = [1, 1] + session['MainWindow'] = [1200, 800] + session['ViewTop'] = 0 + session['ColorScheme'] = 0.75 + session['Model']['bins'] = 1000 + + session['Markers']['markA'] = {} + session['Markers']['markA']['isSet'] = False + session['Markers']['markB'] = {} + session['Markers']['markB']['isSet'] = False + session['Markers']['Active'] = 'A' + + save_session(session, s) + -- 2.20.1