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AJvYcCX3rR9imic7C26TrP0+Spc+0P4fFEEqVzVulXDv6JoctoaBP8ZI0im7BnnaUcS65L1DSwCmQm/GSNBOF/6VKsFd6+l14jYjRcuRYWW9vWNfpKJsAf9ebrUVozNozxNpWNwi/24DgI1X/H7iqfThjfCi6Bspb2BdSjUMyOQE7nzq45oVI1GkQ9ekbDGh X-Gm-Message-State: AOJu0Yz4Wx6iT86o1H+oh5NgarihfIrV9ejaaOFQh+q1oY2GaJLQ6+35 lRQ0lJqMbIPlFUYeKQ4+VprGLL31ruVggk/sJjIddZTfjHpNENuA X-Received: by 2002:aa7:d409:0:b0:568:9f10:7d33 with SMTP id z9-20020aa7d409000000b005689f107d33mr951979edq.42.1710427307921; Thu, 14 Mar 2024 07:41:47 -0700 (PDT) Received: from localhost.localdomain ([213.55.225.17]) by smtp.gmail.com with ESMTPSA id fg3-20020a056402548300b005682f47aea7sm769570edb.94.2024.03.14.07.41.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Mar 2024 07:41:47 -0700 (PDT) From: Ali Zahraee To: rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, corbet@lwn.net Cc: Ali Zahraee , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-doc@vger.kernel.org, skhan@linuxfoundation.org, javier.carrasco.cruz@gmail.com Subject: [PATCH] Documentation: tracing: update format of sched_wakeup in example Date: Thu, 14 Mar 2024 15:41:36 +0100 Message-Id: <20240314144136.19727-1-ahzahraee@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The format of the sched_wakeup event is used as an example in the documentation. But the given format is obsolete. This patch updates the format in the example to match the current format of this event. Signed-off-by: Ali Zahraee --- Documentation/trace/events.rst | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/Documentation/trace/events.rst b/Documentation/trace/events.rst index 759907c20e75..65fe205c95e6 100644 --- a/Documentation/trace/events.rst +++ b/Documentation/trace/events.rst @@ -129,24 +129,25 @@ event:: # cat /sys/kernel/tracing/events/sched/sched_wakeup/format name: sched_wakeup - ID: 60 + ID: 70 format: field:unsigned short common_type; offset:0; size:2; + signed:0; field:unsigned char common_flags; offset:2; size:1; - field:unsigned char common_preempt_count; offset:3; size:1; - field:int common_pid; offset:4; size:4; - field:int common_tgid; offset:8; size:4; + signed:0; + field:unsigned char common_preempt_count; offset:3; + size:1; signed:0; + field:int common_pid; offset:4; size:4; signed:1; - field:char comm[TASK_COMM_LEN]; offset:12; size:16; - field:pid_t pid; offset:28; size:4; - field:int prio; offset:32; size:4; - field:int success; offset:36; size:4; - field:int cpu; offset:40; size:4; + field:char comm[16]; offset:8; size:16; signed:0; + field:pid_t pid; offset:24; size:4; signed:1; + field:int prio; offset:28; size:4; signed:1; + field:int target_cpu; offset:32; size:4; signed:1; - print fmt: "task %s:%d [%d] success=%d [%03d]", REC->comm, REC->pid, - REC->prio, REC->success, REC->cpu + print fmt: "comm=%s pid=%d prio=%d target_cpu=%03d", REC->comm, REC->pid, + REC->prio, REC->target_cpu -This event contains 10 fields, the first 5 common and the remaining 5 +This event contains 8 fields, the first 4 common and the remaining 4 event-specific. All the fields for this event are numeric, except for 'comm' which is a string, a distinction important for event filtering. -- 2.34.1