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Message-ID: <20230329194551.039752631@goodmis.org>
Date: Wed, 29 Mar 2023 15:45:26 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: linux-kernel@...r.kernel.org
Cc: Masami Hiramatsu <mhiramat@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Andrew Morton <akpm@...ux-foundation.org>,
"Tobin C. Harding" <me@...in.cc>, Shuah Khan <shuah@...nel.org>,
Tycho Andersen <tycho@...ho.pizza>,
Paolo Bonzini <pbonzini@...hat.com>,
Mukesh Ojha <quic_mojha@...cinc.com>,
Ross Zwisler <zwisler@...gle.com>
Subject: [for-next][PATCH 10/25] tools/kvm_stat: use canonical ftrace path
From: Ross Zwisler <zwisler@...gle.com>
The canonical location for the tracefs filesystem is at /sys/kernel/tracing.
But, from Documentation/trace/ftrace.rst:
Before 4.1, all ftrace tracing control files were within the debugfs
file system, which is typically located at /sys/kernel/debug/tracing.
For backward compatibility, when mounting the debugfs file system,
the tracefs file system will be automatically mounted at:
/sys/kernel/debug/tracing
A comment in kvm_stat still refers to this older debugfs path, so let's
update it to avoid confusion.
Link: https://lkml.kernel.org/r/20230313211746.1541525-3-zwisler@kernel.org
Cc: "Tobin C. Harding" <me@...in.cc>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Shuah Khan <shuah@...nel.org>
Cc: Tycho Andersen <tycho@...ho.pizza>
Acked-by: Paolo Bonzini <pbonzini@...hat.com>
Reviewed-by: Steven Rostedt (Google) <rostedt@...dmis.org>
Reviewed-by: Mukesh Ojha <quic_mojha@...cinc.com>
Signed-off-by: Ross Zwisler <zwisler@...gle.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
tools/kvm/kvm_stat/kvm_stat | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index 6f28180ffeea..15bf00e79e3f 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -627,7 +627,7 @@ class TracepointProvider(Provider):
name)'.
All available events have directories under
- /sys/kernel/debug/tracing/events/ which export information
+ /sys/kernel/tracing/events/ which export information
about the specific event. Therefore, listing the dirs gives us
a list of all available events.
--
2.39.1
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