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Groups > linux.kernel > #1430638 > unrolled thread

[PATCH 1/2] perf data convert: Include config.h header

Started byJiri Olsa <jolsa@kernel.org>
First post2016-06-24 14:50 +0200
Last post2016-06-29 11:50 +0200
Articles 6 — 4 participants

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Contents

  [PATCH 1/2] perf data convert: Include config.h header Jiri Olsa <jolsa@kernel.org> - 2016-06-24 14:50 +0200
    [PATCH 2/2] perf tools: Use proper dso name for is_regular_file Jiri Olsa <jolsa@kernel.org> - 2016-06-24 14:50 +0200
      [tip:perf/core] perf symbols: Use proper dso name for  is_regular_file tip-bot for Jiri Olsa <tipbot@zytor.com> - 2016-06-29 11:50 +0200
    Re: [PATCH 1/2] perf data convert: Include config.h header "Wangnan (F)" <wangnan0@huawei.com> - 2016-06-25 03:30 +0200
      Re: [PATCH 1/2] perf data convert: Include config.h header Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-06-26 19:10 +0200
    [tip:perf/core] perf data convert: Include config.h header tip-bot for Jiri Olsa <tipbot@zytor.com> - 2016-06-29 11:50 +0200

#1430638 — [PATCH 1/2] perf data convert: Include config.h header

FromJiri Olsa <jolsa@kernel.org>
Date2016-06-24 14:50 +0200
Subject[PATCH 1/2] perf data convert: Include config.h header
Message-ID<rNyIx-86a-9@gated-at.bofh.it>
otherwise some compiler might scream:

  $ make LIBBABELTRACE_DIR=/opt/libbabeltrace/ LIBBABELTRACE=1
    BUILD:   Doing 'make -j4' parallel build
    CC       util/data-convert-bt.o
  util/data-convert-bt.c: In function ‘convert__config’:
  util/data-convert-bt.c:1299:19: error: implicit declaration of function ‘perf_config_u64’ [-Werror=implicit-function-declaration]
     c->queue_size = perf_config_u64(var, value);
  ...

Link: http://lkml.kernel.org/n/tip-t9dyx71w49dy5tacpdzr5b2p@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/perf/util/data-convert-bt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index 9f53020c3269..5186bb1168af 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -26,6 +26,7 @@
 #include "evlist.h"
 #include "evsel.h"
 #include "machine.h"
+#include "config.h"
 
 #define pr_N(n, fmt, ...) \
 	eprintf(n, debug_data_convert, fmt, ##__VA_ARGS__)
-- 
2.4.11

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#1430642 — [PATCH 2/2] perf tools: Use proper dso name for is_regular_file

FromJiri Olsa <jolsa@kernel.org>
Date2016-06-24 14:50 +0200
Subject[PATCH 2/2] perf tools: Use proper dso name for is_regular_file
Message-ID<rNyIy-86a-23@gated-at.bofh.it>
In reply to#1430638
From: Jiri Olsa <jolsa@redhat.com>

Marc reported use of uninitialized memory:

> In commit "403567217d3f perf symbols: Do not read symbols/data from
> device files" a check to uninitialzied memory was added. This leads to
> the following valgrind output:
>
>  ==24515== Syscall param stat(file_name) points to uninitialised byte(s)
>  ==24515==    at 0x75B26D5: _xstat (in /lib/x86_64-linux-gnu/libc-2.22.so)
>  ==24515==    by 0x4E548D: stat (stat.h:454)
>  ==24515==    by 0x4E548D: is_regular_file (util.c:687)
>  ==24515==    by 0x4A5BEE: dso__load (symbol.c:1435)
>  ==24515==    by 0x4BB1AE: map__load (map.c:289)
>  ==24515==    by 0x4BB1AE: map__find_symbol (map.c:333)
>  ==24515==    by 0x4835B3: thread__find_addr_location (event.c:1300)
>  ==24515==    by 0x4B5342: add_callchain_ip (machine.c:1652)
>  ==24515==    by 0x4B5342: thread__resolve_callchain_sample (machine.c:1906)
>  ==24515==    by 0x4B9E7D: thread__resolve_callchain (machine.c:1958)
>  ==24515==    by 0x441B3E: process_event (builtin-script.c:795)
>  ==24515==    by 0x441B3E: process_sample_event (builtin-script.c:920)
>  ==24515==    by 0x4BEE29: perf_evlist__deliver_sample (session.c:1192)
>  ==24515==    by 0x4BEE29: machines__deliver_event (session.c:1229)
>  ==24515==    by 0x4BF770: perf_session__deliver_event (session.c:1286)
>  ==24515==    by 0x4BF770: ordered_events__deliver_event (session.c:114)
>  ==24515==    by 0x4C1D17: __ordered_events__flush (ordered-events.c:207)
>  ==24515==    by 0x4C1D17: ordered_events__flush.part.3 (ordered-events.c:274)
>  ==24515==    by 0x4BF44C: perf_session__process_user_event (session.c:1325)
>  ==24515==    by 0x4BF44C: perf_session__process_event (session.c:1451)
>  ==24515==  Address 0x807c6a0 is 0 bytes inside a block of size 4,096 alloc'd
>  ==24515==    at 0x4C29C0F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
>  ==24515==    by 0x4A5BCB: dso__load (symbol.c:1421)
>  ==24515==    by 0x4BB1AE: map__load (map.c:289)
>  ==24515==    by 0x4BB1AE: map__find_symbol (map.c:333)
>  ==24515==    by 0x4835B3: thread__find_addr_location (event.c:1300)
>  ==24515==    by 0x4B5342: add_callchain_ip (machine.c:1652)
>  ==24515==    by 0x4B5342: thread__resolve_callchain_sample (machine.c:1906)
>  ==24515==    by 0x4B9E7D: thread__resolve_callchain (machine.c:1958)
>  ==24515==    by 0x441B3E: process_event (builtin-script.c:795)
>  ==24515==    by 0x441B3E: process_sample_event (builtin-script.c:920)
>  ==24515==    by 0x4BEE29: perf_evlist__deliver_sample (session.c:1192)
>  ==24515==    by 0x4BEE29: machines__deliver_event (session.c:1229)
>  ==24515==    by 0x4BF770: perf_session__deliver_event (session.c:1286)
>  ==24515==    by 0x4BF770: ordered_events__deliver_event (session.c:114)
>  ==24515==    by 0x4C1D17: __ordered_events__flush (ordered-events.c:207)
>  ==24515==    by 0x4C1D17: ordered_events__flush.part.3 (ordered-events.c:274)
>  ==24515==    by 0x4BF44C: perf_session__process_user_event (session.c:1325)
>  ==24515==    by 0x4BF44C: perf_session__process_event (session.c:1451)
>  ==24515==    by 0x4C0EAC: __perf_session__process_events (session.c:1804)
>  ==24515==    by 0x4C0EAC: perf_session__process_events (session.c:1858)

The reason was a typo that passed global 'name' variable
as is_regular_file argument instead dso->long_name.

Fixes: 403567217d3f perf symbols: Do not read symbols/data from device files
Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: http://lkml.kernel.org/n/tip-efg7784zdt6xb2ivq17yujm1@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/perf/util/symbol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 09c5c34ae38d..c48abc721b6b 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1430,7 +1430,7 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter)
 	 * Read the build id if possible. This is required for
 	 * DSO_BINARY_TYPE__BUILDID_DEBUGINFO to work
 	 */
-	if (is_regular_file(name) &&
+	if (is_regular_file(dso->long_name) &&
 	    filename__read_build_id(dso->long_name, build_id, BUILD_ID_SIZE) > 0)
 		dso__set_build_id(dso, build_id);
 
-- 
2.4.11

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#1433629 — [tip:perf/core] perf symbols: Use proper dso name for is_regular_file

Fromtip-bot for Jiri Olsa <tipbot@zytor.com>
Date2016-06-29 11:50 +0200
Subject[tip:perf/core] perf symbols: Use proper dso name for is_regular_file
Message-ID<rPki6-2xi-23@gated-at.bofh.it>
In reply to#1430642
Commit-ID:  ed7b630b310775f3b6c0b360ede7a12cd8dff6fe
Gitweb:     http://git.kernel.org/tip/ed7b630b310775f3b6c0b360ede7a12cd8dff6fe
Author:     Jiri Olsa <jolsa@redhat.com>
AuthorDate: Fri, 24 Jun 2016 14:40:25 +0200
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 28 Jun 2016 10:54:54 -0300

perf symbols: Use proper dso name for is_regular_file

Marc reported use of uninitialized memory:

> In commit "403567217d3f perf symbols: Do not read symbols/data from
> device files" a check to uninitialzied memory was added. This leads to
> the following valgrind output:
>
>  ==24515== Syscall param stat(file_name) points to uninitialised byte(s)
>  ==24515==    at 0x75B26D5: _xstat (in /lib/x86_64-linux-gnu/libc-2.22.so)
>  ==24515==    by 0x4E548D: stat (stat.h:454)
>  ==24515==    by 0x4E548D: is_regular_file (util.c:687)
>  ==24515==    by 0x4A5BEE: dso__load (symbol.c:1435)
>  ==24515==    by 0x4BB1AE: map__load (map.c:289)
>  ==24515==    by 0x4BB1AE: map__find_symbol (map.c:333)
>  ==24515==    by 0x4835B3: thread__find_addr_location (event.c:1300)
>  ==24515==    by 0x4B5342: add_callchain_ip (machine.c:1652)
>  ==24515==    by 0x4B5342: thread__resolve_callchain_sample (machine.c:1906)
>  ==24515==    by 0x4B9E7D: thread__resolve_callchain (machine.c:1958)
>  ==24515==    by 0x441B3E: process_event (builtin-script.c:795)
>  ==24515==    by 0x441B3E: process_sample_event (builtin-script.c:920)
>  ==24515==    by 0x4BEE29: perf_evlist__deliver_sample (session.c:1192)
>  ==24515==    by 0x4BEE29: machines__deliver_event (session.c:1229)
>  ==24515==    by 0x4BF770: perf_session__deliver_event (session.c:1286)
>  ==24515==    by 0x4BF770: ordered_events__deliver_event (session.c:114)
>  ==24515==    by 0x4C1D17: __ordered_events__flush (ordered-events.c:207)
>  ==24515==    by 0x4C1D17: ordered_events__flush.part.3 (ordered-events.c:274)
>  ==24515==    by 0x4BF44C: perf_session__process_user_event (session.c:1325)
>  ==24515==    by 0x4BF44C: perf_session__process_event (session.c:1451)
>  ==24515==  Address 0x807c6a0 is 0 bytes inside a block of size 4,096 alloc'd
>  ==24515==    at 0x4C29C0F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
>  ==24515==    by 0x4A5BCB: dso__load (symbol.c:1421)
>  ==24515==    by 0x4BB1AE: map__load (map.c:289)
>  ==24515==    by 0x4BB1AE: map__find_symbol (map.c:333)
>  ==24515==    by 0x4835B3: thread__find_addr_location (event.c:1300)
>  ==24515==    by 0x4B5342: add_callchain_ip (machine.c:1652)
>  ==24515==    by 0x4B5342: thread__resolve_callchain_sample (machine.c:1906)
>  ==24515==    by 0x4B9E7D: thread__resolve_callchain (machine.c:1958)
>  ==24515==    by 0x441B3E: process_event (builtin-script.c:795)
>  ==24515==    by 0x441B3E: process_sample_event (builtin-script.c:920)
>  ==24515==    by 0x4BEE29: perf_evlist__deliver_sample (session.c:1192)
>  ==24515==    by 0x4BEE29: machines__deliver_event (session.c:1229)
>  ==24515==    by 0x4BF770: perf_session__deliver_event (session.c:1286)
>  ==24515==    by 0x4BF770: ordered_events__deliver_event (session.c:114)
>  ==24515==    by 0x4C1D17: __ordered_events__flush (ordered-events.c:207)
>  ==24515==    by 0x4C1D17: ordered_events__flush.part.3 (ordered-events.c:274)
>  ==24515==    by 0x4BF44C: perf_session__process_user_event (session.c:1325)
>  ==24515==    by 0x4BF44C: perf_session__process_event (session.c:1451)
>  ==24515==    by 0x4C0EAC: __perf_session__process_events (session.c:1804)
>  ==24515==    by 0x4C0EAC: perf_session__process_events (session.c:1858)

The reason was a typo that passed global 'name' variable as the
is_regular_file argument instead dso->long_name.

Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Wang Nan <wangnan0@huawei.com>
Fixes: 403567217d3f ("perf symbols: Do not read symbols/data from device files")
Link: http://lkml.kernel.org/r/1466772025-17471-2-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/symbol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index b044f1a..37e8d20 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1430,7 +1430,7 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter)
 	 * Read the build id if possible. This is required for
 	 * DSO_BINARY_TYPE__BUILDID_DEBUGINFO to work
 	 */
-	if (is_regular_file(name) &&
+	if (is_regular_file(dso->long_name) &&
 	    filename__read_build_id(dso->long_name, build_id, BUILD_ID_SIZE) > 0)
 		dso__set_build_id(dso, build_id);
 

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#1431040

From"Wangnan (F)" <wangnan0@huawei.com>
Date2016-06-25 03:30 +0200
Message-ID<rNKA1-7rO-1@gated-at.bofh.it>
In reply to#1430638
You can add:

Fixes: 41840d211c51 ("perf config: Move config declarations from 
util/cache.h to util/config.h")

Thank you.

On 2016/6/24 20:40, Jiri Olsa wrote:
> otherwise some compiler might scream:
>
>    $ make LIBBABELTRACE_DIR=/opt/libbabeltrace/ LIBBABELTRACE=1
>      BUILD:   Doing 'make -j4' parallel build
>      CC       util/data-convert-bt.o
>    util/data-convert-bt.c: In function ‘convert__config’:
>    util/data-convert-bt.c:1299:19: error: implicit declaration of function ‘perf_config_u64’ [-Werror=implicit-function-declaration]
>       c->queue_size = perf_config_u64(var, value);
>    ...
>
> Link: http://lkml.kernel.org/n/tip-t9dyx71w49dy5tacpdzr5b2p@git.kernel.org
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> ---
>   tools/perf/util/data-convert-bt.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
> index 9f53020c3269..5186bb1168af 100644
> --- a/tools/perf/util/data-convert-bt.c
> +++ b/tools/perf/util/data-convert-bt.c
> @@ -26,6 +26,7 @@
>   #include "evlist.h"
>   #include "evsel.h"
>   #include "machine.h"
> +#include "config.h"
>   
>   #define pr_N(n, fmt, ...) \
>   	eprintf(n, debug_data_convert, fmt, ##__VA_ARGS__)

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#1431545

FromArnaldo Carvalho de Melo <acme@kernel.org>
Date2016-06-26 19:10 +0200
Message-ID<rOlJf-5Em-11@gated-at.bofh.it>
In reply to#1431040
Em Sat, Jun 25, 2016 at 09:29:04AM +0800, Wangnan (F) escreveu:
> You can add:
> 
> Fixes: 41840d211c51 ("perf config: Move config declarations from
> util/cache.h to util/config.h")

Yeah, I'll do that, thanks for pointing it out!

- Arnaldo
 
> Thank you.
> 
> On 2016/6/24 20:40, Jiri Olsa wrote:
> > otherwise some compiler might scream:
> > 
> >    $ make LIBBABELTRACE_DIR=/opt/libbabeltrace/ LIBBABELTRACE=1
> >      BUILD:   Doing 'make -j4' parallel build
> >      CC       util/data-convert-bt.o
> >    util/data-convert-bt.c: In function ‘convert__config’:
> >    util/data-convert-bt.c:1299:19: error: implicit declaration of function ‘perf_config_u64’ [-Werror=implicit-function-declaration]
> >       c->queue_size = perf_config_u64(var, value);
> >    ...
> > 
> > Link: http://lkml.kernel.org/n/tip-t9dyx71w49dy5tacpdzr5b2p@git.kernel.org
> > Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> > ---
> >   tools/perf/util/data-convert-bt.c | 1 +
> >   1 file changed, 1 insertion(+)
> > 
> > diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
> > index 9f53020c3269..5186bb1168af 100644
> > --- a/tools/perf/util/data-convert-bt.c
> > +++ b/tools/perf/util/data-convert-bt.c
> > @@ -26,6 +26,7 @@
> >   #include "evlist.h"
> >   #include "evsel.h"
> >   #include "machine.h"
> > +#include "config.h"
> >   #define pr_N(n, fmt, ...) \
> >   	eprintf(n, debug_data_convert, fmt, ##__VA_ARGS__)
> 

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#1433633 — [tip:perf/core] perf data convert: Include config.h header

Fromtip-bot for Jiri Olsa <tipbot@zytor.com>
Date2016-06-29 11:50 +0200
Subject[tip:perf/core] perf data convert: Include config.h header
Message-ID<rPki6-2xi-35@gated-at.bofh.it>
In reply to#1430638
Commit-ID:  f6c12a004c149a7b0ea1332fa715979888dd4695
Gitweb:     http://git.kernel.org/tip/f6c12a004c149a7b0ea1332fa715979888dd4695
Author:     Jiri Olsa <jolsa@kernel.org>
AuthorDate: Fri, 24 Jun 2016 14:40:24 +0200
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 28 Jun 2016 10:54:52 -0300

perf data convert: Include config.h header

Otherwise some compiler might scream:

  $ make LIBBABELTRACE_DIR=/opt/libbabeltrace/ LIBBABELTRACE=1
    BUILD:   Doing 'make -j4' parallel build
    CC       util/data-convert-bt.o
  util/data-convert-bt.c: In function ‘convert__config’:
  util/data-convert-bt.c:1299:19: error: implicit declaration of function ‘perf_config_u64’ [-Werror=implicit-function-declaration]
     c->queue_size = perf_config_u64(var, value);
  ...

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Taeung Song <treeze.taeung@gmail.com>
Cc: Wang Nan <wangnan0@huawei.com>
Fixes: 41840d211c51 ("perf config: Move config declarations from util/cache.h to util/config.h")
Link: http://lkml.kernel.org/r/1466772025-17471-1-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/data-convert-bt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index 4b59879..7b1bc24 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -26,6 +26,7 @@
 #include "evlist.h"
 #include "evsel.h"
 #include "machine.h"
+#include "config.h"
 
 #define pr_N(n, fmt, ...) \
 	eprintf(n, debug_data_convert, fmt, ##__VA_ARGS__)

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