From: Steven Rostedt <rostedt@goodmis.org>
To: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Subject: Re: [PATCH 15/18 v3] SUNRPC: Export enums in tracepoints to user space
Date: Tue, 7 Apr 2015 12:40:37 -0400 [thread overview]
Message-ID: <20150407124037.03675a2d@gandalf.local.home> (raw)
In-Reply-To: <20150403014125.374549383@goodmis.org>
Trond,
I had your old email that I Cc'd this patch to. I updated this in my
git repo for your current email (if this is your current email).
-- Steve
On Thu, 02 Apr 2015 21:38:17 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:
> From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>
>
> The enums used in the tracepoints for __print_symbolic() have their
> names shown in the tracepoint format files. User space tools do not know
> how to convert those names into their values to be able to convert the
> binary data.
>
> Use TRACE_DEFINE_ENUM() to export the enum names to their values for
> userspace to do the parsing correctly.
>
> Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
> ---
> include/trace/events/sunrpc.h | 62 ++++++++++++++++++++++++++++++-------------
> 1 file changed, 44 insertions(+), 18 deletions(-)
>
> diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
> index b9c1dc6c825a..fd1a02cb3c82 100644
> --- a/include/trace/events/sunrpc.h
> +++ b/include/trace/events/sunrpc.h
> @@ -179,27 +179,53 @@ DEFINE_EVENT(rpc_task_queued, rpc_task_wakeup,
>
> );
>
> +/*
> + * First define the enums in the below macros to be exported to userspace
> + * via TRACE_DEFINE_ENUM().
> + */
> +#undef EM
> +#undef EMe
> +#define EM(a, b) TRACE_DEFINE_ENUM(a);
> +#define EMe(a, b) TRACE_DEFINE_ENUM(a);
> +
> +#define RPC_SHOW_SOCKET \
> + EM( SS_FREE, "FREE" ) \
> + EM( SS_UNCONNECTED, "UNCONNECTED" ) \
> + EM( SS_CONNECTING, "CONNECTING," ) \
> + EM( SS_CONNECTED, "CONNECTED," ) \
> + EMe(SS_DISCONNECTING, "DISCONNECTING" )
> +
> #define rpc_show_socket_state(state) \
> - __print_symbolic(state, \
> - { SS_FREE, "FREE" }, \
> - { SS_UNCONNECTED, "UNCONNECTED" }, \
> - { SS_CONNECTING, "CONNECTING," }, \
> - { SS_CONNECTED, "CONNECTED," }, \
> - { SS_DISCONNECTING, "DISCONNECTING" })
> + __print_symbolic(state, RPC_SHOW_SOCKET)
> +
> +RPC_SHOW_SOCKET
> +
> +#define RPC_SHOW_SOCK \
> + EM( TCP_ESTABLISHED, "ESTABLISHED" ) \
> + EM( TCP_SYN_SENT, "SYN_SENT" ) \
> + EM( TCP_SYN_RECV, "SYN_RECV" ) \
> + EM( TCP_FIN_WAIT1, "FIN_WAIT1" ) \
> + EM( TCP_FIN_WAIT2, "FIN_WAIT2" ) \
> + EM( TCP_TIME_WAIT, "TIME_WAIT" ) \
> + EM( TCP_CLOSE, "CLOSE" ) \
> + EM( TCP_CLOSE_WAIT, "CLOSE_WAIT" ) \
> + EM( TCP_LAST_ACK, "LAST_ACK" ) \
> + EM( TCP_LISTEN, "LISTEN" ) \
> + EMe( TCP_CLOSING, "CLOSING" )
>
> #define rpc_show_sock_state(state) \
> - __print_symbolic(state, \
> - { TCP_ESTABLISHED, "ESTABLISHED" }, \
> - { TCP_SYN_SENT, "SYN_SENT" }, \
> - { TCP_SYN_RECV, "SYN_RECV" }, \
> - { TCP_FIN_WAIT1, "FIN_WAIT1" }, \
> - { TCP_FIN_WAIT2, "FIN_WAIT2" }, \
> - { TCP_TIME_WAIT, "TIME_WAIT" }, \
> - { TCP_CLOSE, "CLOSE" }, \
> - { TCP_CLOSE_WAIT, "CLOSE_WAIT" }, \
> - { TCP_LAST_ACK, "LAST_ACK" }, \
> - { TCP_LISTEN, "LISTEN" }, \
> - { TCP_CLOSING, "CLOSING" })
> + __print_symbolic(state, RPC_SHOW_SOCK)
> +
> +RPC_SHOW_SOCK
> +
> +/*
> + * Now redefine the EM() and EMe() macros to map the enums to the strings
> + * that will be printed in the output.
> + */
> +#undef EM
> +#undef EMe
> +#define EM(a, b) {a, b},
> +#define EMe(a, b) {a, b}
>
> DECLARE_EVENT_CLASS(xs_socket_event,
>
next prev parent reply other threads:[~2015-04-07 16:40 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-03 1:38 [PATCH 00/18 v3] tracing: Use TRACE_DEFINE_ENUM() to show enum values Steven Rostedt
2015-04-03 1:38 ` [PATCH 02/18 v3] tracing: Add TRACE_SYSTEM_VAR to intel-sst Steven Rostedt
2015-04-03 1:38 ` [PATCH 03/18 v3] tracing: Add TRACE_SYSTEM_VAR to kvm-s390 Steven Rostedt
2015-04-03 1:38 ` [PATCH 04/18 v3] tracing: Add TRACE_SYSTEM_VAR to xhci-hcd Steven Rostedt
2015-04-03 1:38 ` [PATCH 05/18 v3] tracing: Give system name a pointer Steven Rostedt
2015-04-03 1:38 ` [PATCH 06/18 v3] tracing: Update trace-event-sample with TRACE_SYSTEM_VAR documentation Steven Rostedt
2015-04-03 1:38 ` [PATCH 07/18 v3] tracing: Add TRACE_DEFINE_ENUM() macro to map enums to their values Steven Rostedt
2015-04-06 4:54 ` Namhyung Kim
2015-04-06 11:52 ` Steven Rostedt
2015-04-07 14:16 ` Namhyung Kim
2015-04-07 14:22 ` Steven Rostedt
2015-04-15 13:22 ` Sasha Levin
2015-04-15 14:05 ` Steven Rostedt
2015-04-16 0:58 ` Sasha Levin
2015-04-17 3:21 ` Steven Rostedt
2015-04-17 3:59 ` Sasha Levin
2015-04-17 4:44 ` [PATCH] kasan: Show gcc version requirements in Kconfig and Documentation Joe Perches
2015-04-17 7:54 ` Andrey Ryabinin
2015-04-17 9:37 ` Joe Perches
2015-04-17 16:10 ` [PATCH v2] " Andrey Ryabinin
2015-05-07 15:51 ` Jonathan Corbet
2015-05-07 19:00 ` Andrey Ryabinin
2015-04-17 7:44 ` [PATCH 07/18 v3] tracing: Add TRACE_DEFINE_ENUM() macro to map enums to their values Andrey Ryabinin
2015-04-17 13:29 ` Steven Rostedt
2015-04-17 13:51 ` Steven Rostedt
2015-04-17 14:14 ` Andrey Ryabinin
2015-04-03 1:38 ` [PATCH 08/18 v3] tracing: Allow for modules to convert their enums to values Steven Rostedt
2015-04-03 1:38 ` [PATCH 09/18 v3] tracing/samples: Update the trace-event-sample.h with TRACE_DEFINE_ENUM() Steven Rostedt
2015-04-03 1:38 ` [PATCH 10/18 v3] x86/tlb/trace: Export enums in used by tlb_flush tracepoint Steven Rostedt
2015-04-03 1:38 ` [PATCH 11/18 v3] net/9p/tracing: Export enums in tracepoints to userspace Steven Rostedt
2015-04-03 1:38 ` [PATCH 12/18 v3] f2fs: Export the enums in the " Steven Rostedt
2015-04-03 1:38 ` [PATCH 13/18 v3] irq/tracing: Export enums in tracepoints to user space Steven Rostedt
2015-04-03 1:38 ` [PATCH 14/18 v3] mm: tracing: " Steven Rostedt
2015-04-03 1:38 ` [PATCH 15/18 v3] SUNRPC: " Steven Rostedt
2015-04-07 16:40 ` Steven Rostedt [this message]
2015-04-07 16:58 ` Trond Myklebust
2015-04-03 1:38 ` [PATCH 16/18 v3] v4l: Export enums used by " Steven Rostedt
2015-04-03 1:38 ` [PATCH 17/18 v3] writeback: Export enums used by tracepoint " Steven Rostedt
2015-04-03 1:38 ` [PATCH 18/18 v3] tracing: Add enum_map file to show enums that have been mapped Steven Rostedt
[not found] ` <20150403014123.069113130@goodmis.org>
2015-04-07 0:47 ` [PATCH 01/18 v3] tracing/drm: Remove unused TRACE_SYSTEM_STRING define Masami Hiramatsu
2015-04-07 11:26 ` [PATCH 00/18 v3] tracing: Use TRACE_DEFINE_ENUM() to show enum values Masami Hiramatsu
2015-04-07 12:52 ` Steven Rostedt
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