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[188.141.5.72]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48e37edcf9csm476853f8f.4.2026.10.22.13.42.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Oct 2026 13:42:21 -0700 (PDT) From: David Carlier To: Steven Rostedt , Masami Hiramatsu Cc: Mathieu Desnoyers , =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org, David Carlier Subject: [PATCH] tracing: Define common event fields before enabling boot events Date: Thu, 22 Oct 2026 21:42:18 +0100 Message-ID: <20261022204218.1222647-1-devnexen@gmail.com> X-Mailer: git-send-email 2.55.0 X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit event_trace_enable() parses trace_event= filters before event_trace_init_fields() has defined the common and generic fields, so a filter on common_pid or comm fails and the event stays off until event_trace_enable_again(). Fixes: 084100a1b579 ("tracing: Parse filter from boot event string") Signed-off-by: David Carlier --- kernel/trace/trace_events.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index a1ac2a02f4e2..e52351dd0e5e 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -5022,8 +5022,8 @@ void __init trace_event_init(void) { event_trace_memsetup(); init_ftrace_syscalls(); - event_trace_enable(); event_trace_init_fields(); + event_trace_enable(); } #ifdef CONFIG_EVENT_TRACE_STARTUP_TEST -- 2.55.0