From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1C78019DF4F for ; Wed, 10 Jun 2026 13:05:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781096732; cv=none; b=F+3ZScB4crOaI/Udvky2afzUCjk+JReYRY/lLB0/UJSG48x7VhHYg+SKB34sncqIbt14RKt8IELkP0K93ZlpWInclzeVVRlZzircFUHmL/vDfT9sFgY43i6w3/7naN86XZUYfcWn9BmMf+KABLLRHFYVgkNHTSHc0XgQQVX0Zfo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781096732; c=relaxed/simple; bh=4ebVVeDyRG6IP+IxaSEInDCBy6YwTa/gFms+KrdMbB8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:content-type; b=B2hj55ieEKdzUBfYzvk+wNA08zktNB1Hf+oVNW0OwgUI6cEGBms8iwBeEg6vZX+C5gILaU23Wx1AX8vXp4QHeX+HBBcfJMJn5XzbfqXRIGelNup7L7lGblKMfYj8ExawuXqdWUs2LPs0C4CYxPTVMnqA53+cJk9KIGGv0PXqCgA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=LzkQe1hr; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="LzkQe1hr" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1781096729; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ejD5bbC77pUF8fI78IgEYFGn/nrh3c8FnFb3o3GHTaM=; b=LzkQe1hrdiAtkj/xjuBZERc1PCAiKOYTvSsjzt0uPg8ElEWnBVw1Pin8yletunJWjAqm7t dOaatNJf/fv9ES+Dx/3xfn1/ZYnaOIP8M15WKuogjWwauLHhT62o6CepFm/IFHkUHwx0Jz v4NSp3Isq0kQeNDCZdS9CCgmmZwFtvU= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-668-1X6jVlBpNLOwJCV4J07-YA-1; Wed, 10 Jun 2026 09:05:25 -0400 X-MC-Unique: 1X6jVlBpNLOwJCV4J07-YA-1 X-Mimecast-MFC-AGG-ID: 1X6jVlBpNLOwJCV4J07-YA_1781096724 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7597E18DB40A; Wed, 10 Jun 2026 13:05:24 +0000 (UTC) Received: from vschneid-thinkpadt14sgen2i.remote.csb (unknown [10.44.33.130]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 888B23000223; Wed, 10 Jun 2026 13:05:21 +0000 (UTC) From: Valentin Schneider To: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Tomas Glozar , Costa Shulyupin , Crystal Wood , Ivan Pravdin Subject: [RFC PATCH 2/2] rtla/osnoise: Report IPI count in osnoise top Date: Wed, 10 Jun 2026 15:04:52 +0200 Message-ID: <20260610130457.1304245-3-vschneid@redhat.com> In-Reply-To: <20260610130457.1304245-1-vschneid@redhat.com> References: <20260610130457.1304245-1-vschneid@redhat.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Mimecast-MFC-PROC-ID: yypF6KYHOCwqLyn3AMIcTAl0evAS8_9WGpEi6pwvY8c_1781096724 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true The osnoise tracer now also reports IPI count, extract & report them. Signed-off-by: Valentin Schneider --- tools/tracing/rtla/src/osnoise_top.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/tools/tracing/rtla/src/osnoise_top.c b/tools/tracing/rtla/src/osnoise_top.c index e65312ec26c43..6fd5353c82f38 100644 --- a/tools/tracing/rtla/src/osnoise_top.c +++ b/tools/tracing/rtla/src/osnoise_top.c @@ -25,6 +25,7 @@ struct osnoise_top_cpu { unsigned long long irq_count; unsigned long long softirq_count; unsigned long long thread_count; + unsigned long long ipi_count; int sum_cycles; }; @@ -116,6 +117,9 @@ osnoise_top_handler(struct trace_seq *s, struct tep_record *record, tep_get_field_val(s, event, "thread_count", record, &val, 1); update_sum(&cpu_data->thread_count, &val); + tep_get_field_val(s, event, "ipi_count", record, &val, 1); + update_sum(&cpu_data->ipi_count, &val); + return 0; } @@ -163,7 +167,7 @@ static void osnoise_top_header(struct osnoise_tool *top) if (params->mode == MODE_HWNOISE) goto eol; - trace_seq_printf(s, " IRQ Softirq Thread"); + trace_seq_printf(s, " IRQ Softirq Thread IPI"); eol: if (pretty) @@ -218,7 +222,8 @@ static void osnoise_top_print(struct osnoise_tool *tool, int cpu) trace_seq_printf(s, "%12llu ", cpu_data->irq_count); trace_seq_printf(s, "%12llu ", cpu_data->softirq_count); - trace_seq_printf(s, "%12llu\n", cpu_data->thread_count); + trace_seq_printf(s, "%12llu ", cpu_data->thread_count); + trace_seq_printf(s, "%12llu\n", cpu_data->ipi_count); } /* -- 2.54.0