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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Tzvetomir Stoyanov <tstoyanov@vmware.com>
Subject: Re: [PATCH 7/9] tools/lib/traceevent: traceevent API cleanup
Date: Fri, 30 Nov 2018 16:18:56 -0300
Message-ID: <20181130191856.GC19230@kernel.org> (raw)
In-Reply-To: <20181130154647.891651290@goodmis.org>

Em Fri, Nov 30, 2018 at 10:44:10AM -0500, Steven Rostedt escreveu:
> From: Tzvetomir Stoyanov <tstoyanov@vmware.com>
> 
> In order to make libtraceevent into a proper library, its API
> should be straightforward. This patch hides few API functions,
> intended for internal usage only:
> tep_free_event(), tep_free_format_field(), __tep_data2host2(),
> __tep_data2host4() and __tep_data2host8().
> The patch also alignes the libtraceevent summary man page with
> these API changes.

I applied the previous patches, stopped here as it this one fails with
the error bellow.

Please resend from this patch onwards.

BTW, this is what I have right now:

[acme@quaco perf]$ git log --oneline - 6
9db9efe53c72 (HEAD -> perf/core) tools lib traceevent: Rename tep_free_format() to tep_free_event()
e58c351e8383 tools lib traceevent, perf tools: Rename 'struct tep_event_format' to 'struct tep_event'
4237fd0b60d8 tools lib traceevent: Install trace-seq.h API header file
bb837f2581dc tools lib traceevent: Added support for pkg-config
a2c167ad70b6 tools lib traceevent: Implement new API tep_get_ref()
51d0337d0198 (acme.korg/perf/core) tools lib traceevent: Add sanity check to is_timestamp_in_us()

- Arnaldo

[acme@quaco perf]$ m
make: Entering directory '/home/acme/git/perf/tools/perf'
  BUILD:   Doing 'make -j8' parallel build
  CC       /tmp/build/perf/util/trace-event-read.o
  CC       /tmp/build/perf/util/trace-event-scripting.o
  CC       /tmp/build/perf/util/trace-event.o
  CC       /tmp/build/perf/util/sort.o
  CC       /tmp/build/perf/util/hist.o
  INSTALL  trace_plugins
  CC       /tmp/build/perf/util/cgroup.o
  CC       /tmp/build/perf/util/stat.o
  CC       /tmp/build/perf/util/stat-shadow.o
  CC       /tmp/build/perf/util/stat-display.o
  CC       /tmp/build/perf/util/record.o
util/trace-event-read.c: In function ‘read4’:
util/trace-event-read.c:105:9: error: implicit declaration of function ‘__tep_data2host4’; did you mean ‘tep_data_flags’? [-Werror=implicit-function-declaration]
  return __tep_data2host4(pevent, data);
         ^~~~~~~~~~~~~~~~
         tep_data_flags
util/trace-event-read.c:105:9: error: nested extern declaration of ‘__tep_data2host4’ [-Werror=nested-externs]
util/trace-event-read.c: In function ‘read8’:
util/trace-event-read.c:114:9: error: implicit declaration of function ‘__tep_data2host8’; did you mean ‘tep_data_flags’? [-Werror=implicit-function-declaration]
  return __tep_data2host8(pevent, data);
         ^~~~~~~~~~~~~~~~
         tep_data_flags
util/trace-event-read.c:114:9: error: nested extern declaration of ‘__tep_data2host8’ [-Werror=nested-externs]
cc1: all warnings being treated as errors
mv: cannot stat '/tmp/build/perf/util/.trace-event-read.o.tmp': No such file or directory
make[4]: *** [/home/acme/git/perf/tools/build/Makefile.build:96: /tmp/build/perf/util/trace-event-read.o] Error 1
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [/home/acme/git/perf/tools/build/Makefile.build:139: util] Error 2
make[2]: *** [Makefile.perf:658: /tmp/build/perf/libperf-in.o] Error 2
make[1]: *** [Makefile.perf:215: sub-make] Error 2
make: *** [Makefile:110: install-bin] Error 2
make: Leaving directory '/home/acme/git/perf/tools/perf'

 Performance counter stats for 'make -k O=/tmp/build/perf -C tools/perf install-bin':

    20,606,463,070      cycles:u
    24,937,056,161      instructions:u            #    1.21  insn per cycle

       2.192507189 seconds time elapsed

       5.571323000 seconds user
       0.994057000 seconds sys


[acme@quaco perf]$

  reply index

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-30 15:44 [PATCH 0/9] tools/lib/traceevent: More udpates to make libtraceevent into a library Steven Rostedt
2018-11-30 15:44 ` [PATCH 1/9] tools/lib/traceevent: Implemented new API tep_get_ref() Steven Rostedt
2018-12-14 20:34   ` [tip:perf/core] tools lib traceevent: Implement " tip-bot for Tzvetomir Stoyanov
2018-12-18 14:01   ` tip-bot for Tzvetomir Stoyanov
2018-11-30 15:44 ` [PATCH 2/9] tools/lib/traceevent: Added support for pkg-config Steven Rostedt
2018-12-04  7:32   ` Namhyung Kim
2018-12-04  8:51     ` Tzvetomir Stoyanov
2018-12-04 17:27     ` Steven Rostedt
2018-12-14 20:34   ` [tip:perf/core] tools lib traceevent: " tip-bot for Tzvetomir Stoyanov
2018-12-18 14:01   ` tip-bot for Tzvetomir Stoyanov
2018-11-30 15:44 ` [PATCH 3/9] tools/lib/traceevent: Install trace-seq.h API header file Steven Rostedt
2018-12-04  7:47   ` Namhyung Kim
2018-12-04 19:41     ` Steven Rostedt
2018-12-05 12:25       ` Jiri Olsa
2018-12-05 17:03         ` Steven Rostedt
2018-12-05 17:22           ` Jiri Olsa
2018-12-14 20:35   ` [tip:perf/core] tools lib traceevent: " tip-bot for Tzvetomir Stoyanov
2018-12-18 14:02   ` tip-bot for Tzvetomir Stoyanov
2018-11-30 15:44 ` [PATCH 4/9] tools/lib/traceevent, tools/perf: Rename struct tep_event_format to struct tep_event Steven Rostedt
2018-12-14 20:36   ` [tip:perf/core] tools lib traceevent, perf tools: Rename 'struct tep_event_format' to 'struct tep_event' tip-bot for Tzvetomir Stoyanov
2018-12-18 14:02   ` tip-bot for Tzvetomir Stoyanov
2018-11-30 15:44 ` [PATCH 5/9] tools/lib/traceevent: Rename tep_free_format() to tep_free_event() Steven Rostedt
2018-12-14 20:36   ` [tip:perf/core] tools lib traceevent: " tip-bot for Tzvetomir Stoyanov
2018-12-18 14:03   ` tip-bot for Tzvetomir Stoyanov
2018-11-30 15:44 ` [PATCH 6/9] tools/perf: traceevent API cleanup, remove __tep_data2host*() Steven Rostedt
2018-12-14 20:37   ` [tip:perf/core] perf tools: " tip-bot for Tzvetomir Stoyanov
2018-12-18 14:04   ` tip-bot for Tzvetomir Stoyanov
2018-11-30 15:44 ` [PATCH 7/9] tools/lib/traceevent: traceevent API cleanup Steven Rostedt
2018-11-30 19:18   ` Arnaldo Carvalho de Melo [this message]
2018-11-30 19:37     ` Steven Rostedt
2018-11-30 19:55       ` Arnaldo Carvalho de Melo
2018-11-30 19:57       ` Steven Rostedt
2018-11-30 20:09     ` Steven Rostedt
2018-11-30 20:16       ` Arnaldo Carvalho de Melo
2018-12-03 10:42         ` Arnaldo Carvalho de Melo
2018-12-14 20:37   ` [tip:perf/core] tools lib traceevent: " tip-bot for Tzvetomir Stoyanov
2018-12-18 14:04   ` tip-bot for Tzvetomir Stoyanov
2018-11-30 15:44 ` [PATCH 8/9] tools/lib/traceevent: Introduce new libtracevent API: tep_override_comm() Steven Rostedt
2019-01-08 13:35   ` Arnaldo Carvalho de Melo
2019-01-09  7:12   ` [tip:perf/urgent] tools lib traceevent: " tip-bot for Tzvetomir Stoyanov
2018-11-30 15:44 ` [PATCH 9/9] tools/lib/traceevent: Add sanity check to is_timestamp_in_us() Steven Rostedt

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