From: Trond Myklebust <trond.myklebust@primarydata.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Linux Kernel Mailing List <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 12:58:46 -0400 [thread overview]
Message-ID: <CAHQdGtRJOU518_kNgHnJ-p+eXcQsjGDfmBrRQgZXNgcNiOv9Zg@mail.gmail.com> (raw)
In-Reply-To: <20150407124037.03675a2d@gandalf.local.home>
Hi Steve,
On Tue, Apr 7, 2015 at 12:40 PM, Steven Rostedt <rostedt@goodmis.org> wrote:
>
> 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).
Thanks! Yes the trond.myklebust@primarydata.com address is the correct one.
> -- 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>
Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
>> ---
>> 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 16:58 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
2015-04-07 16:58 ` Trond Myklebust [this message]
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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