From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id A0D1A46179; Mon, 3 Feb 2025 03:32:45 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 900D7400EF; Mon, 3 Feb 2025 03:32:45 +0100 (CET) Received: from inbox.dpdk.org (inbox.dpdk.org [95.142.172.178]) by mails.dpdk.org (Postfix) with ESMTP id BFA02400D7 for ; Mon, 3 Feb 2025 03:32:43 +0100 (CET) Received: by inbox.dpdk.org (Postfix, from userid 33) id B84954617B; Mon, 3 Feb 2025 03:32:43 +0100 (CET) From: bugzilla@dpdk.org To: dev@dpdk.org Subject: [DPDK/eventdev Bug 1625] HPET reading is slow Date: Mon, 03 Feb 2025 02:32:43 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: DPDK X-Bugzilla-Component: eventdev X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: nandinipersad361@gmail.com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: dev@dpdk.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Type: multipart/alternative; boundary=17385499630.0fb9B.2103114 Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org --17385499630.0fb9B.2103114 Date: Mon, 3 Feb 2025 03:32:43 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All https://bugs.dpdk.org/show_bug.cgi?id=3D1625 Bug ID: 1625 Summary: HPET reading is slow Product: DPDK Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: Normal Component: eventdev Assignee: dev@dpdk.org Reporter: nandinipersad361@gmail.com Target Milestone: --- Description: Reading the HPET chip is slow. Implication: An application that calls rte_get_hpet_cycles() or rte_timer_manage() runs slower. Resolution/Workaround: The application should not call these functions too often in the main loop.= An alternative is to use the TSC register through rte_rdtsc() which is faster,= but specific to an lcore and is a cycle reference, not a time reference. Affected Environment/Platform: All. Driver/Module: Environment Abstraction Layer (EAL). --=20 You are receiving this mail because: You are the assignee for the bug.= --17385499630.0fb9B.2103114 Date: Mon, 3 Feb 2025 03:32:43 +0100 MIME-Version: 1.0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All

Bug ID	1625
Summary	HPET reading is slow
Product	DPDK
Version	unspecified
Hardware	All
OS	All
Status	UNCONFIRMED
Severity	normal
Priority	Normal
Component	eventdev
Assignee	dev@dpdk.org
Reporter	nandinipersad361@gmail.com
Target Milestone	---

Description:
Reading the HPET chip is slow.

Implication:
An application that calls rte_get_hpet_cycles() or rte_timer_manage() runs
slower.

Resolution/Workaround:
The application should not call these functions too often in the main loop.=
 An
alternative is to use the TSC register through rte_rdtsc() which is faster,=
 but
specific to an lcore and is a cycle reference, not a time reference.

Affected Environment/Platform:
All.

Driver/Module:
Environment Abstraction Layer (EAL).

You are receiving this mail because:

You are the assignee for the bug.

=20=20=20=20=20=20=20=20=20=20

= --17385499630.0fb9B.2103114--