From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
linux-next@vger.kernel.org, linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
"H. Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: linux-next: Tree for Nov 2
Date: Mon, 2 Nov 2015 17:30:23 +1100 [thread overview]
Message-ID: <20151102173023.52237c7f@canb.auug.org.au> (raw)
In-Reply-To: <20151102055816.GA434@swordfish>
Hi Sergey,
[Excess quoted for new cc's]
On Mon, 2 Nov 2015 14:58:16 +0900 Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> wrote:
>
> unregister_trace_sched_switch/register_trace_prio_sched_switch/etc.
> (see the log below. 80-cols unfriendly. sorry.)
> expect proto to contain 'bool preempt'
>
> TRACE_EVENT(sched_switch,
>
> TP_PROTO(bool preempt,
> struct task_struct *prev,
> struct task_struct *next),
>
>
> event_filter_pid_sched_switch_probe_post() and
> event_filter_pid_sched_switch_probe_pre() are missing it.
> which results in:
>
> kernel/trace/trace_events.c: In function ‘__ftrace_clear_event_pids’:
> kernel/trace/trace_events.c:579:32: warning: passing argument 1 of ‘unregister_trace_sched_switch’ from incompatible pointer type [-Wincompatible-pointer-types]
> unregister_trace_sched_switch(event_filter_pid_sched_switch_probe_pre, tr);
> ^
> In file included from include/trace/events/sched.h:8:0,
> from kernel/trace/trace_events.c:25:
> include/linux/tracepoint.h:223:2: note: expected ‘void (*)(void *, bool, struct task_struct *, struct task_struct *) {aka void (*)(void *, _Bool, struct task_struct *, struct task_struct *)}’ but argument is of type ‘void (*)(void *, struct task_struct *, struct task_struct *)’
> unregister_trace_##name(void (*probe)(data_proto), void *data) \
> ^
> include/linux/tracepoint.h:357:3: note: in expansion of macro ‘__DECLARE_TRACE’
> __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), 1, \
> ^
> include/linux/tracepoint.h:491:2: note: in expansion of macro ‘DECLARE_TRACE’
> DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
> ^
> include/trace/events/sched.h:124:1: note: in expansion of macro ‘TRACE_EVENT’
> TRACE_EVENT(sched_switch,
> ^
> kernel/trace/trace_events.c:580:32: warning: passing argument 1 of ‘unregister_trace_sched_switch’ from incompatible pointer type [-Wincompatible-pointer-types]
> unregister_trace_sched_switch(event_filter_pid_sched_switch_probe_post, tr);
> ^
> In file included from include/trace/events/sched.h:8:0,
> from kernel/trace/trace_events.c:25:
> include/linux/tracepoint.h:223:2: note: expected ‘void (*)(void *, bool, struct task_struct *, struct task_struct *) {aka void (*)(void *, _Bool, struct task_struct *, struct task_struct *)}’ but argument is of type ‘void (*)(void *, struct task_struct *, struct task_struct *)’
> unregister_trace_##name(void (*probe)(data_proto), void *data) \
> ^
> include/linux/tracepoint.h:357:3: note: in expansion of macro ‘__DECLARE_TRACE’
> __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), 1, \
> ^
> include/linux/tracepoint.h:491:2: note: in expansion of macro ‘DECLARE_TRACE’
> DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
> ^
> include/trace/events/sched.h:124:1: note: in expansion of macro ‘TRACE_EVENT’
> TRACE_EVENT(sched_switch,
> ^
> kernel/trace/trace_events.c: In function ‘ftrace_event_pid_write’:
> kernel/trace/trace_events.c:1723:36: warning: passing argument 1 of ‘register_trace_prio_sched_switch’ from incompatible pointer type [-Wincompatible-pointer-types]
> register_trace_prio_sched_switch(event_filter_pid_sched_switch_probe_pre,
> ^
> In file included from include/trace/events/sched.h:8:0,
> from kernel/trace/trace_events.c:25:
> include/linux/tracepoint.h:216:2: note: expected ‘void (*)(void *, bool, struct task_struct *, struct task_struct *) {aka void (*)(void *, _Bool, struct task_struct *, struct task_struct *)}’ but argument is of type ‘void (*)(void *, struct task_struct *, struct task_struct *)’
> register_trace_prio_##name(void (*probe)(data_proto), void *data,\
> ^
> include/linux/tracepoint.h:357:3: note: in expansion of macro ‘__DECLARE_TRACE’
> __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), 1, \
> ^
> include/linux/tracepoint.h:491:2: note: in expansion of macro ‘DECLARE_TRACE’
> DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
> ^
> include/trace/events/sched.h:124:1: note: in expansion of macro ‘TRACE_EVENT’
> TRACE_EVENT(sched_switch,
> ^
> kernel/trace/trace_events.c:1725:36: warning: passing argument 1 of ‘register_trace_prio_sched_switch’ from incompatible pointer type [-Wincompatible-pointer-types]
> register_trace_prio_sched_switch(event_filter_pid_sched_switch_probe_post,
> ^
> In file included from include/trace/events/sched.h:8:0,
> from kernel/trace/trace_events.c:25:
> include/linux/tracepoint.h:216:2: note: expected ‘void (*)(void *, bool, struct task_struct *, struct task_struct *) {aka void (*)(void *, _Bool, struct task_struct *, struct task_struct *)}’ but argument is of type ‘void (*)(void *, struct task_struct *, struct task_struct *)’
> register_trace_prio_##name(void (*probe)(data_proto), void *data,\
> ^
> include/linux/tracepoint.h:357:3: note: in expansion of macro ‘__DECLARE_TRACE’
> __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), 1, \
> ^
> include/linux/tracepoint.h:491:2: note: in expansion of macro ‘DECLARE_TRACE’
> DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
> ^
> include/trace/events/sched.h:124:1: note: in expansion of macro ‘TRACE_EVENT’
> TRACE_EVENT(sched_switch,
Presumably caused by the interaction of commit
3fdaf80f4a83 ("tracing: Implement event pid filtering")
from the trace tree and commit
c73464b1c843 ("sched/core: Fix trace_sched_switch()")
from the tip tree.
> something like this, I guess.
>
> ===8<===8<===8<===8<===
>
> Add missing 'bool preempt' argument as required by
> sched_switch's trace event proto:
>
> : TRACE_EVENT(sched_switch,
> :
> : TP_PROTO(bool preempt,
> : struct task_struct *prev,
> : struct task_struct *next),
> ...
>
> to event_filter_pid_sched_switch_probe_post() and
> event_filter_pid_sched_switch_probe_pre() functions.
>
> kernel/trace/trace_events.c: In function ‘__ftrace_clear_event_pids’:
> kernel/trace/trace_events.c:579:32: warning: passing argument 1 of
> ‘unregister_trace_sched_switch’ from incompatible pointer type
> [-Wincompatible-pointer-types]
> unregister_trace_sched_switch(event_filter_pid_sched_switch_probe_pre, tr);
> ^
> In file included from include/trace/events/sched.h:8:0,
> from kernel/trace/trace_events.c:25:
> include/linux/tracepoint.h:223:2: note: expected
> ‘void (*)(void *, bool, struct task_struct *, struct task_struct *)
> {aka void (*)(void *, _Bool, struct task_struct *, struct task_struct *)}’
> but argument is of type
> ‘void (*)(void *, struct task_struct *, struct task_struct *)’
> unregister_trace_##name(void (*probe)(data_proto), void *data) \
> ^
> include/linux/tracepoint.h:357:3: note: in expansion of macro ‘__DECLARE_TRACE’
> __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), 1, \
> ^
> include/linux/tracepoint.h:491:2: note: in expansion of macro ‘DECLARE_TRACE’
> DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
> ^
> include/trace/events/sched.h:124:1: note: in expansion of macro ‘TRACE_EVENT’
> TRACE_EVENT(sched_switch,
> ^
>
> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> ---
> kernel/trace/trace_events.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
> index fb0261e..0d86f0c 100644
> --- a/kernel/trace/trace_events.c
> +++ b/kernel/trace/trace_events.c
> @@ -506,7 +506,7 @@ check_ignore_pid(struct trace_pid_list *filtered_pids, struct task_struct *task)
> }
>
> static void
> -event_filter_pid_sched_switch_probe_pre(void *data,
> +event_filter_pid_sched_switch_probe_pre(void *data, bool preempt,
> struct task_struct *prev, struct task_struct *next)
> {
> struct trace_array *tr = data;
> @@ -520,7 +520,7 @@ event_filter_pid_sched_switch_probe_pre(void *data,
> }
>
> static void
> -event_filter_pid_sched_switch_probe_post(void *data,
> +event_filter_pid_sched_switch_probe_post(void *data, bool preempt,
> struct task_struct *prev, struct task_struct *next)
> {
> struct trace_array *tr = data;
> --
> 2.6.2.402.g2635c2b
So I guess I need that (or something similar) in linux-next until these
trees are merged.
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
next prev parent reply other threads:[~2015-11-02 6:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-02 4:40 linux-next: Tree for Nov 2 Stephen Rothwell
2015-11-02 5:58 ` Sergey Senozhatsky
2015-11-02 6:30 ` Stephen Rothwell [this message]
2015-11-02 14:33 ` Steven Rostedt
-- strict thread matches above, loose matches on Subject: below --
2023-11-02 2:13 Stephen Rothwell
2022-11-02 4:31 Stephen Rothwell
2021-11-02 8:15 Stephen Rothwell
2020-11-02 5:28 Stephen Rothwell
2018-11-02 3:30 Stephen Rothwell
2018-11-02 10:44 ` Miguel Ojeda
2018-11-02 13:22 ` Stephen Rothwell
2018-11-02 13:57 ` Miguel Ojeda
2017-11-02 9:02 Stephen Rothwell
2012-11-02 6:15 Stephen Rothwell
2011-11-02 5:54 Stephen Rothwell
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20151102173023.52237c7f@canb.auug.org.au \
--to=sfr@canb.auug.org.au \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-next@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=peterz@infradead.org \
--cc=rostedt@goodmis.org \
--cc=sergey.senozhatsky.work@gmail.com \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).