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From: "Yordan Karadzhov (VMware)" <y.karadz@gmail.com>
To: linux-trace-devel@vger.kernel.org
Cc: "Yordan Karadzhov (VMware)" <y.karadz@gmail.com>
Subject: [PATCH v4 06/11] trace-cruncher: Add ftracepy example
Date: Wed,  7 Jul 2021 16:21:53 +0300	[thread overview]
Message-ID: <20210707132158.68520-8-y.karadz@gmail.com> (raw)
In-Reply-To: <20210707132158.68520-1-y.karadz@gmail.com>

This is the most basic possible example. To be considered as an
equivalent of a "Hello world" program.

Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
---
 examples/start_tracing.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 examples/start_tracing.py

diff --git a/examples/start_tracing.py b/examples/start_tracing.py
new file mode 100755
index 0000000..da36164
--- /dev/null
+++ b/examples/start_tracing.py
@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+
+"""
+SPDX-License-Identifier: CC-BY-4.0
+
+Copyright (C) 2021 VMware Inc, Yordan Karadzhov (VMware) <y.karadz@gmail.com>
+"""
+
+import tracecruncher.ftracepy as ft
+
+# Create new Ftrace instance to work in.
+inst = ft.create_instance()
+
+# Enable all static events from systems "sched" and "irq".
+ft.enable_events(instance=inst,
+                 systems=['sched', 'irq'],
+                 events=[['sched_switch'],['all']])
+
+# Print the stream of trace events. "Ctrl+c" to stop tracing.
+ft.read_trace(instance=inst)
-- 
2.27.0


  parent reply	other threads:[~2021-07-07 13:22 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-07 13:21 [PATCH v4 00/11] Build trace-cruncher as Python pakage Yordan Karadzhov (VMware)
2021-07-07 13:21 ` [PATCH v4 01/11] trace-cruncher: Refactor the part that wraps ftrace Yordan Karadzhov (VMware)
2021-07-07 13:21 ` [PATCH v4 02/11] trace-cruncher: Add basic methods for tracing Yordan Karadzhov (VMware)
2021-07-07 13:21 ` [PATCH v4 03/11] trace-cruncher: Refactor the part that wraps libkshark Yordan Karadzhov (VMware)
2021-07-07 13:21 ` [PATCH v4 04/11] trace-cruncher: Add "utils" Yordan Karadzhov (VMware)
2021-07-07 13:21 ` [PATCH v4 05/11] trace-cruncher: Refactor the examples Yordan Karadzhov (VMware)
2021-07-07 13:21 ` [PATCH v4 06/11] trace-cruncher: Add ftracefy example Yordan Karadzhov (VMware)
2021-07-07 13:21 ` Yordan Karadzhov (VMware) [this message]
2021-07-07 13:21 ` [PATCH v4 07/11] trace-cruncher: Add Makefile Yordan Karadzhov (VMware)
2021-07-07 13:21 ` [PATCH v4 08/11] trace-cruncher: Update README.md Yordan Karadzhov (VMware)
2021-07-07 13:21 ` [PATCH v4 09/11] trace-cruncher: Remove all leftover files Yordan Karadzhov (VMware)
2021-07-07 13:21 ` [PATCH v4 10/11] trace-cruncher: Add testing Yordan Karadzhov (VMware)
2021-07-07 13:21 ` [PATCH v4 11/11] trace-cruncher: Add github workflow for CI testing Yordan Karadzhov (VMware)

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