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From: Arnaldo Carvalho de Melo <acme@redhat.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>,
	linux-kernel@vger.kernel.org,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	David Ahern <dsahern@gmail.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Jeremie Galarneau <jgalar@efficios.com>,
	Namhyung Kim <namhyung@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Tom Zanussi <tzanussi@gmail.com>, Wang Nan <wangnan0@huawei.com>
Subject: Re: [PATCH 05/11] perf data: Add tracepoint events fields CTF conversion support
Date: Mon, 9 Mar 2015 20:28:45 -0300	[thread overview]
Message-ID: <20150309232845.GE14515@redhat.com> (raw)
In-Reply-To: <20150309231119.GD14515@redhat.com>

Em Mon, Mar 09, 2015 at 08:11:19PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Mon, Mar 09, 2015 at 06:51:21PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Doesn't work as well...
> > 
> > :-\
> > 
> > Will try debugging...
> 
> So I tried checkout out before Ingo's changes to libbabeltrace detection, i.e.:
> 
> [acme@zoo linux]$ git checkout -b ttmp 9a75606ca06d94aab1ed0dbe96935e3f89dfb81c
> 
> And it works:

So it seems its due to the -Werror
 
> [acme@zoo linux]$ git bisect bad
> b49f1a4be701c2386ccc7496dc8442cf26424d5c is the first bad commit
> commit b49f1a4be701c2386ccc7496dc8442cf26424d5c
> Author: Ingo Molnar <mingo@kernel.org>
> Date:   Sat Feb 28 10:16:27 2015 +0100
> 
>     perf tools: Improve feature test debuggability
>     
>     Certain feature tests fail with link errors:
> 
> --------------------------------------------------------------
> 
> Ran out of time, will continue later/tomorrow.

[acme@zoo linux]$ git diff
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index e2350ada6ccd..d46e0ef45417 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -184,7 +184,7 @@ endif
 
 feature_check = $(eval $(feature_check_code))
 define feature_check_code
-  feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C config/feature-checks test-$1.bin >/dev/null 2>/dev/null && echo 1 ||
+  feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C config/feature-checks test-$1.bin >/tmp/output-$(1) 2>/dev/null && ec
 endef
 
 feature_set = $(eval $(feature_set_code))
[acme@zoo linux]$ cd /home/git/linux/tools/perf/config/feature-checks
[acme@zoo feature-checks]$ gcc -MD -I/opt/libbabeltrace//include -Wall -Werror -o /tmp/build/perf/config/feature-checks/test-libbabeltrace.bin test-libbabeltrace.c -Wl,-z,noexecstack -L/opt/libbabeltrace//lib -lbabeltrace-ctf
test-libbabeltrace.c: In function ‘main’:
test-libbabeltrace.c:6:2: error: implicit declaration of function ‘bt_ctf_stream_class_get_packet_context_type’ [-Werror=implicit-function-declaration]
  bt_ctf_stream_class_get_packet_context_type((void *) 0);
  ^
cc1: all warnings being treated as errors
[acme@zoo feature-checks]$

[root@zoo ~]# find /opt/libbabeltrace/include/babeltrace/ -type f | xargs grep bt_ctf_stream_class_get_packet_context_type
/opt/libbabeltrace/include/babeltrace/ctf-ir/stream-class.h: * bt_ctf_stream_class_get_packet_context_type: get the stream class' packet
/opt/libbabeltrace/include/babeltrace/ctf-ir/stream-class.h:extern struct bt_ctf_field_type *bt_ctf_stream_class_get_packet_context_type(
[root@zoo ~]#

That seems to be included from the file included in the feature test code :-\

Really ran out of time now...

- Arnaldo

  reply	other threads:[~2015-03-09 23:29 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-20 22:16 [PATCHv5 00/11] perf tools: Add perf data CTF conversion Jiri Olsa
2015-02-20 22:16 ` [PATCH 01/11] perf tools: Add feature check for libbabeltrace Jiri Olsa
2015-02-26 11:35   ` [tip:perf/core] " tip-bot for Jiri Olsa
2015-02-28  9:25     ` Ingo Molnar
2015-02-28 12:28       ` Jiri Olsa
2015-02-20 22:16 ` [PATCH 02/11] perf tools: Add new perf data command Jiri Olsa
2015-02-26 11:36   ` [tip:perf/core] perf tools: Add new 'perf data' command tip-bot for Jiri Olsa
2015-02-20 22:17 ` [PATCH 03/11] perf data: Add perf data to CTF conversion support Jiri Olsa
2015-02-26 11:36   ` [tip:perf/core] " tip-bot for Jiri Olsa
2015-02-20 22:17 ` [PATCH 04/11] perf data: Add a 'perf' prefix to the generic fields Jiri Olsa
2015-02-26 11:36   ` [tip:perf/core] " tip-bot for Sebastian Andrzej Siewior
2015-02-20 22:17 ` [PATCH 05/11] perf data: Add tracepoint events fields CTF conversion support Jiri Olsa
2015-02-25 19:23   ` Arnaldo Carvalho de Melo
2015-03-01 13:20     ` Jiri Olsa
2015-03-02 15:32       ` Arnaldo Carvalho de Melo
2015-03-09 12:12         ` Jiri Olsa
2015-03-09 21:51           ` Arnaldo Carvalho de Melo
2015-03-09 23:11             ` Arnaldo Carvalho de Melo
2015-03-09 23:28               ` Arnaldo Carvalho de Melo [this message]
2015-03-10 12:00                 ` [PATCH] perf build: Fix libbabeltrace detection Jiri Olsa
2015-03-10 14:01                   ` Arnaldo Carvalho de Melo
2015-03-10 14:11                     ` Jiri Olsa
2015-03-10 14:44                       ` Jérémie Galarneau
2015-03-10 15:01                         ` Arnaldo Carvalho de Melo
2015-03-26  9:25                         ` Jiri Olsa
2015-03-26 15:05                           ` Arnaldo Carvalho de Melo
2015-03-10 15:03                       ` Arnaldo Carvalho de Melo
2015-03-10 16:04                       ` Arnaldo Carvalho de Melo
2015-03-11  8:45                         ` Jiri Olsa
2015-03-11 13:18                           ` Arnaldo Carvalho de Melo
2015-03-14  7:03                   ` [tip:perf/core] " tip-bot for Jiri Olsa
2015-03-14  7:07   ` [tip:perf/core] perf data: Add tracepoint events fields CTF conversion support tip-bot for Sebastian Andrzej Siewior
2015-02-20 22:17 ` [PATCH 06/11] perf data: Switch to multiple cpu stream files Jiri Olsa
2015-03-12 11:37   ` Wang Nan
2015-03-12 12:34     ` Jiri Olsa
2015-03-12 13:40       ` Wang Nan
2015-03-12 19:17         ` Arnaldo Carvalho de Melo
2015-03-12 19:59           ` Jérémie Galarneau
2015-03-13  6:02             ` Wang Nan
2015-03-13 16:46           ` Jérémie Galarneau
2015-02-20 22:17 ` [PATCH 07/11] perf data: Enable stream flush within processing Jiri Olsa
2015-02-20 22:17 ` [PATCH 08/11] perf data: Add support for setting ordered_events queue size Jiri Olsa
2015-02-20 22:17 ` [PATCH 09/11] tools lib traceevent: Add alias field to struct format_field Jiri Olsa
2015-02-24 22:54   ` Steven Rostedt
2015-02-24 23:12     ` Jiri Olsa
2015-02-20 22:17 ` [PATCH 10/11] perf data: Fix duplicate field names and avoid reserved keywords Jiri Olsa
2015-02-20 22:17 ` [PATCH 11/11] perf data: Fix signess of value Jiri Olsa
  -- strict thread matches above, loose matches on Subject: below --
2015-01-30 10:42 [PATCHv4 00/11] perf tools: Add perf data CTF conversion Jiri Olsa
2015-01-30 10:42 ` [PATCH 05/11] perf data: Add tracepoint events fields CTF conversion support Jiri Olsa

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