From: "Elliott, Robert (Server Storage)" <Elliott@hp.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: "fweisbec@gmail.com" <fweisbec@gmail.com>,
"mingo@redhat.com" <mingo@redhat.com>,
"linux-kernel (linux-kernel@vger.kernel.org)"
<linux-kernel@vger.kernel.org>
Subject: RE: [RFC PATCH] ftrace function-graph: print the function name on all } lines
Date: Mon, 5 May 2014 19:21:03 +0000 [thread overview]
Message-ID: <94D0CD8314A33A4D9D801C0FE68B402956EEB76B@G9W0745.americas.hpqcorp.net> (raw)
In-Reply-To: <20140502153249.1ee6aadd@gandalf.local.home>
> From: Steven Rostedt [mailto:rostedt@goodmis.org]
> ...
> Yes it is too cluttered. Please make this a tracing option that is
> default off.
The TRACE_GRAPH_PRINT_xx macros exist in two places:
* trace.h has one set
* trace_functions_graph.c has redefinitions of them and adds
TRACE_GRAPH_PRINT_IRQS.
The new macro will only be used inside trace_functions_graph.c.
That is true of some of the others like TRACE_GRAPH_PRINT_OVERRUN,
so doesn't seem to be the guiding principle for separate sets.
Should the new one be added to both places, or should the
duplicate definitions in trace_functions_graph.c be removed?
trace_functions_graph.c:
#include "trace.h"
...
/* Flag options */
#define TRACE_GRAPH_PRINT_OVERRUN 0x1
#define TRACE_GRAPH_PRINT_CPU 0x2
#define TRACE_GRAPH_PRINT_OVERHEAD 0x4
#define TRACE_GRAPH_PRINT_PROC 0x8
#define TRACE_GRAPH_PRINT_DURATION 0x10
#define TRACE_GRAPH_PRINT_ABS_TIME 0x20
#define TRACE_GRAPH_PRINT_IRQS 0x40
#define TRACE_GRAPH_PRINT_TAIL 0x80 /* <-- new */
trace.h:
/* Flag options */
#define TRACE_GRAPH_PRINT_OVERRUN 0x1
#define TRACE_GRAPH_PRINT_CPU 0x2
#define TRACE_GRAPH_PRINT_OVERHEAD 0x4
#define TRACE_GRAPH_PRINT_PROC 0x8
#define TRACE_GRAPH_PRINT_DURATION 0x10
#define TRACE_GRAPH_PRINT_ABS_TIME 0x20
#define TRACE_GRAPH_PRINT_FILL_SHIFT 28
#define TRACE_GRAPH_PRINT_FILL_MASK (0x3 << TRACE_GRAPH_PRINT_FILL_SHIFT)
---
Rob Elliott HP Server Storage
next prev parent reply other threads:[~2014-05-05 19:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-02 19:11 [RFC PATCH] ftrace function-graph: print the function name on all } lines Elliott, Robert (Server Storage)
2014-05-02 19:32 ` Steven Rostedt
2014-05-05 19:21 ` Elliott, Robert (Server Storage) [this message]
2014-05-05 19:38 ` Steven Rostedt
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