linux-kernel - [PATCH 3/3] rtla/osnoise: Fix error message when failing to enable trace instance

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Message-Id: <53ef0582605af91eca14b19dba9fc9febb95d4f9.1645206561.git.bristot@kernel.org>
Date:   Fri, 18 Feb 2022 18:57:09 +0100
From:   Daniel Bristot de Oliveira <bristot@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Daniel Bristot de Oliveira <bristot@...nel.org>,
        Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-trace-devel@...r.kernel.org
Subject: [PATCH 3/3] rtla/osnoise: Fix error message when failing to enable trace instance

When a trace instance creation fails, tools are printing:

	Could not enable -> osnoiser <- tracer for tracing

Print the actual (and correct) name of the tracer it fails to enable.

Fixes: b1696371d865 ("rtla: Helper functions for rtla")
Cc: Daniel Bristot de Oliveira <bristot@...nel.org>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Jonathan Corbet <corbet@....net>
Cc: linux-doc@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-trace-devel@...r.kernel.org
Signed-off-by: Daniel Bristot de Oliveira <bristot@...nel.org>
---
 tools/tracing/rtla/src/osnoise.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/tracing/rtla/src/osnoise.c b/tools/tracing/rtla/src/osnoise.c
index 5648f9252e58..e60f1862bad0 100644
--- a/tools/tracing/rtla/src/osnoise.c
+++ b/tools/tracing/rtla/src/osnoise.c
@@ -810,7 +810,7 @@ struct osnoise_tool *osnoise_init_trace_tool(char *tracer)
 
 	retval = enable_tracer_by_name(trace->trace.inst, tracer);
 	if (retval) {
-		err_msg("Could not enable osnoiser tracer for tracing\n");
+		err_msg("Could not enable %s tracer for tracing\n", tracer);
 		goto out_err;
 	}
 
-- 
2.34.1