From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id sf5jJRpMBmYMfxoAWB0awg (envelope-from ) for ; Fri, 29 Mar 2024 01:05:30 -0400 Authentication-Results: simark.ca; dkim=pass (2048-bit key; unprotected) header.d=lists.lttng.org header.i=@lists.lttng.org header.a=rsa-sha256 header.s=default header.b=eqmLqbnJ; dkim-atps=neutral Received: by simark.ca (Postfix, from userid 112) id 800561E0C0; Fri, 29 Mar 2024 01:05:30 -0400 (EDT) Received: from lists.lttng.org (lists.lttng.org [167.114.26.123]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id 1F0941E08C for ; Fri, 29 Mar 2024 01:05:28 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lists.lttng.org; s=default; t=1711688727; bh=hF1nzL0dAZiUZdPBXt/iPIqaq0mLpTQUHVgClPETRuY=; h=References:In-Reply-To:Date:To:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=eqmLqbnJK4HJMhzBw6pHsRULyefPGdx4I3kq8X5d05nylrhRoa5IGJBojhP2R2sIL Sqo3ejngGr3gMCVJQetywiCCWJrNvdzQjbgLfdIKi2ax13LfUEjY/awaPBTWZaZRrh qGpcP1bbb8sMEbhc1/L3Xuzh0Wod/aK89SJezWHjfGxN+zbEIyLZjKY/smV1WS3D57 w0OYy7jd1eMy0Bi5HXn9bysO2keBDcXkVISUXWE22Y3DyO1kPFPuWeHhGSP8C5E86r /FPgBO7DIB9BoA0ticniILv2PZdaLfCKXPj1MXZMkJNemOuMAQKNEQKBPAwgsgheiA qeDGwcrgWSmww== Received: from lists-lttng01.efficios.com (localhost [IPv6:::1]) by lists.lttng.org (Postfix) with ESMTP id 4V5Syv2kJ0z2XcV; Fri, 29 Mar 2024 01:05:27 -0400 (EDT) Received: from mail-lj1-x229.google.com (mail-lj1-x229.google.com [IPv6:2a00:1450:4864:20::229]) by lists.lttng.org (Postfix) with ESMTPS id 4V5Syt0FDcz2XL6 for ; Fri, 29 Mar 2024 01:05:25 -0400 (EDT) Received: by mail-lj1-x229.google.com with SMTP id 38308e7fff4ca-2d718efedb2so2053421fa.0 for ; Thu, 28 Mar 2024 22:05:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711688724; x=1712293524; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=mYsF/hsnSiCyGou3H33khtbUmxGKepP7s4+iFOvZnLg=; b=oJPIECIUOEuILgkkB8mBRgqxo7NRWJfoAk1Pi/JfFEshk9NbYq7jUHZlS5Q7sr+uk7 6XYSajU7LWsXO9Z8+WDdA1eiztG0DQvysKgLd9V+M4gu5prh41aC5Guz7b6DDPZMWTq5 fr4FcN2VbRu7V4UywYEL+wS18G4dzNscIfqgBqnl2iVtJx+imbiK/55ej7fnBCwW+ij0 05e8aDn/MpLLrX+d5FUKHHT4RCak0RAl8/yJ5yruInC3j/Q3ZGjtP80f7x6kcT2/c/5W 2YEKPhKNad9dfJ931XLqjPy/lgHpBebHpocP38R7g33CtOLxLcGkyDKXECg5W0+6wEtO xGTQ== X-Gm-Message-State: AOJu0YyCNMTQz3XJKzJD5Gxjlaqpr2m+zyDWBMIKTqjcPMZCW8WuX3D4 wqpH2XHiTibdZK46TZotbvSVAjcnRBINBv0lTQ2P6IyEcsIiCMDymkn0A94KECzd03UaDoTcgUv 75NHL3H3GpgpuMV55ER5ocgIxisc= X-Google-Smtp-Source: AGHT+IHzG+LmYPmrVOwyIvLJFtqrbz0nN1vjUnKEkR7wXQyIe8wJUAkHuZt2VcFkShk++OtOrwKMx97dlQQWyvC0KKQ= X-Received: by 2002:a2e:a40e:0:b0:2d7:b5c:5b55 with SMTP id p14-20020a2ea40e000000b002d70b5c5b55mr883495ljn.5.1711688724126; Thu, 28 Mar 2024 22:05:24 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Fri, 29 Mar 2024 08:09:16 +0300 Message-ID: To: Christopher Harvey Cc: lttng-dev@lists.lttng.org Subject: Re: [lttng-dev] Lttng: display active threads in multiple cores. X-BeenThere: lttng-dev@lists.lttng.org X-Mailman-Version: 2.1.39 Precedence: list List-Id: LTTng development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Zvi Vered via lttng-dev Reply-To: Zvi Vered Content-Type: multipart/mixed; boundary="===============6046270152871084865==" Errors-To: lttng-dev-bounces@lists.lttng.org Sender: "lttng-dev" --===============6046270152871084865== Content-Type: multipart/alternative; boundary="0000000000005e271c0614c59680" --0000000000005e271c0614c59680 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Christopher, Thank you very much for your reply. Can you please explain what do you mean by ftrace-enabled kernel ? Best regards, Zvika On Wed, Mar 27, 2024 at 7:32=E2=80=AFPM Christopher Harvey via lttng-dev < lttng-dev@lists.lttng.org> wrote: > you can use an ftrace-enabled kernel with lttng (maybe even just > tracecompass) or perfetto to get that kind of trace > > > https://archive.eclipse.org/tracecompass.incubator/doc/org.eclipse.tracec= ompass.incubator.ftrace.doc.user/User-Guide.html > > or > > https://ui.perfetto.dev/ > > On Wed, Mar 27, 2024, at 5:26 AM, Zvi Vered via lttng-dev wrote: > > Hello, > > > > I have an application with 4 threads. > > I'm required to display on the graph when thread starts working till it > > blocks for the next semaphore. > > > > But without using the lttng userspace library. > > > > Is it possible ? > > > > Thank you, > > Zvika > > _______________________________________________ > > lttng-dev mailing list > > lttng-dev@lists.lttng.org > > https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > _______________________________________________ > lttng-dev mailing list > lttng-dev@lists.lttng.org > https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > --0000000000005e271c0614c59680 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Christopher,

Thank you very much for= your reply.
Can you please explain what do you mean by ftrace-en= abled kernel ?

Best=C2=A0regards,
Zvika= =C2=A0

On Wed, Mar 27, 2024 at 7:32=E2=80=AFPM Christopher Harvey via = lttng-dev <lttng-dev@lists.= lttng.org> wrote:
you can use an ftrace-enabled kernel with lttng (maybe even just= tracecompass) or perfetto to get that kind of trace

https://archive.eclipse.org/tracecompass.incubator/doc= /org.eclipse.tracecompass.incubator.ftrace.doc.user/User-Guide.html

or

h= ttps://ui.perfetto.dev/

On Wed, Mar 27, 2024, at 5:26 AM, Zvi Vered via lttng-dev wrote:
> Hello,
>
> I have an application with 4 threads.
> I'm required to display on the graph when thread starts working ti= ll it
> blocks for the next semaphore.
>
> But without using the lttng userspace library.
>
> Is it possible ?
>
> Thank you,
> Zvika
> _______________________________________________
> lttng-dev mailing list
> lttng-d= ev@lists.lttng.org
> https://lists.lttng.org/cgi-bin/mailm= an/listinfo/lttng-dev
_______________________________________________
lttng-dev mailing list
lttng-dev@li= sts.lttng.org
https://lists.lttng.org/cgi-bin/mailman/l= istinfo/lttng-dev
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