linux-kernel - Re: [PATCH] tracing: Up the hist stacktrace size from 16 to 31

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Message-ID: <20260123112710.7add47cb@gandalf.local.home>
Date: Fri, 23 Jan 2026 11:27:10 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: LKML <linux-kernel@...r.kernel.org>, Linux Trace Kernel
 <linux-trace-kernel@...r.kernel.org>
Cc: Masami Hiramatsu <mhiramat@...nel.org>, Mathieu Desnoyers
 <mathieu.desnoyers@...icios.com>, Tom Zanussi <zanussi@...nel.org>
Subject: Re: [PATCH] tracing: Up the hist stacktrace size from 16 to 31

On Fri, 23 Jan 2026 10:54:15 -0500
Steven Rostedt <rostedt@...dmis.org> wrote:

> Also change the BUILD_BUG_ON() to allow the size of the stacktrace storage
> to be equal to the max size. It already accounts for the empty slot via
> a "+ 1":

Correction. One slot is used to hold the number of elements in the stack.

-- Steve