From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 06/22] perf debug: Move dump_stack() and sighandler_dump_stack() to debug.h
Date: Mon, 24 Apr 2017 16:54:23 -0300 [thread overview]
Message-ID: <20170424195439.29875-7-acme@kernel.org> (raw)
In-Reply-To: <20170424195439.29875-1-acme@kernel.org>
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Two more out of util.h.
Link: http://lkml.kernel.org/n/tip-polkuxm1cpr06lbgue5pyqum@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/debug.c | 32 +++++++++++++++++++++++++++++++-
tools/perf/util/debug.h | 3 +++
tools/perf/util/util.c | 31 -------------------------------
tools/perf/util/util.h | 3 ---
4 files changed, 34 insertions(+), 35 deletions(-)
diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c
index 6e1d7e159649..9eaf86f4003b 100644
--- a/tools/perf/util/debug.c
+++ b/tools/perf/util/debug.c
@@ -8,7 +8,9 @@
#include <stdio.h>
#include <api/debug.h>
#include <linux/time64.h>
-
+#ifdef HAVE_BACKTRACE_SUPPORT
+#include <execinfo.h>
+#endif
#include "cache.h"
#include "color.h"
#include "event.h"
@@ -248,3 +250,31 @@ void perf_debug_setup(void)
{
libapi_set_print(pr_warning_wrapper, pr_warning_wrapper, pr_debug_wrapper);
}
+
+/* Obtain a backtrace and print it to stdout. */
+#ifdef HAVE_BACKTRACE_SUPPORT
+void dump_stack(void)
+{
+ void *array[16];
+ size_t size = backtrace(array, ARRAY_SIZE(array));
+ char **strings = backtrace_symbols(array, size);
+ size_t i;
+
+ printf("Obtained %zd stack frames.\n", size);
+
+ for (i = 0; i < size; i++)
+ printf("%s\n", strings[i]);
+
+ free(strings);
+}
+#else
+void dump_stack(void) {}
+#endif
+
+void sighandler_dump_stack(int sig)
+{
+ psignal(sig, "perf");
+ dump_stack();
+ signal(sig, SIG_DFL);
+ raise(sig);
+}
diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h
index 98832f5531d3..8a23ea1a71c7 100644
--- a/tools/perf/util/debug.h
+++ b/tools/perf/util/debug.h
@@ -56,4 +56,7 @@ int perf_debug_option(const char *str);
void perf_debug_setup(void);
int perf_quiet_option(void);
+void dump_stack(void);
+void sighandler_dump_stack(int sig);
+
#endif /* __PERF_DEBUG_H */
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index eb49330c77d4..ae8036f06329 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -4,9 +4,6 @@
#include <api/fs/fs.h>
#include <sys/mman.h>
#include <sys/utsname.h>
-#ifdef HAVE_BACKTRACE_SUPPORT
-#include <execinfo.h>
-#endif
#include <dirent.h>
#include <inttypes.h>
#include <signal.h>
@@ -353,34 +350,6 @@ int hex2u64(const char *ptr, u64 *long_val)
return p - ptr;
}
-/* Obtain a backtrace and print it to stdout. */
-#ifdef HAVE_BACKTRACE_SUPPORT
-void dump_stack(void)
-{
- void *array[16];
- size_t size = backtrace(array, ARRAY_SIZE(array));
- char **strings = backtrace_symbols(array, size);
- size_t i;
-
- printf("Obtained %zd stack frames.\n", size);
-
- for (i = 0; i < size; i++)
- printf("%s\n", strings[i]);
-
- free(strings);
-}
-#else
-void dump_stack(void) {}
-#endif
-
-void sighandler_dump_stack(int sig)
-{
- psignal(sig, "perf");
- dump_stack();
- signal(sig, SIG_DFL);
- raise(sig);
-}
-
unsigned long parse_tag_value(const char *str, struct parse_tag *tags)
{
struct parse_tag *i = tags;
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index c3f6d0de69c5..07c4293742e7 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -80,9 +80,6 @@ void event_attr_init(struct perf_event_attr *attr);
size_t hex_width(u64 v);
int hex2u64(const char *ptr, u64 *val);
-void dump_stack(void);
-void sighandler_dump_stack(int sig);
-
extern unsigned int page_size;
extern int cacheline_size;
extern int sysctl_perf_event_max_stack;
--
2.9.3
next prev parent reply other threads:[~2017-04-24 19:55 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-24 19:54 [GIT PULL 00/22] perf/core improvements and fixes Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 01/22] perf unwind: Provide only forward declarations for pointer types Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 02/22] perf tools: Add signal.h to places using its definitions Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 03/22] perf tools: Move units conversion/formatting routines to separate object Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 04/22] perf tools: Move timestamp routines from util.h to time-utils.h Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 05/22] perf kvm: Make function only used by 'perf kvm' static Arnaldo Carvalho de Melo
2017-04-24 19:54 ` Arnaldo Carvalho de Melo [this message]
2017-04-24 19:54 ` [PATCH 07/22] perf mem: Fix display of data source snoop indication Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 08/22] perf tools: Add compress.h for the *_decompress_to_file() headers Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 09/22] perf callchain: Move callchain specific routines from util.[ch] Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 10/22] perf tools: Include sys/param.h where needed Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 11/22] perf tools: Remove a few more needless includes from util.h Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 12/22] perf tools: Remove sys/ioctl.h " Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 13/22] perf tools: Remove string.h " Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 14/22] perf tools: Remove stale prototypes from builtin.h Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 15/22] perf tools: Remove string.h, unistd.h and sys/stat.h from util.h Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 16/22] perf tools: Remove poll.h and wait.h " Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 17/22] perf tools: Add the right header to obtain PERF_ALIGN() Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 18/22] perf tools: Use just forward declarations for struct thread where possible Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 19/22] tools: Update asm-generic/mman-common.h copy from the kernel Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 20/22] tools arch: Sync arch/x86/lib/memcpy_64.S with " Arnaldo Carvalho de Melo
2017-04-24 20:36 ` Luck, Tony
2017-04-25 2:59 ` Joe Perches
2017-04-25 16:18 ` Luck, Tony
2017-04-25 16:28 ` Joe Perches
2017-04-25 14:13 ` Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 21/22] tools arch x86: Sync cpufeatures.h Arnaldo Carvalho de Melo
2017-04-24 19:54 ` [PATCH 22/22] perf tools: Fix the code to strip command name Arnaldo Carvalho de Melo
2017-04-24 20:08 ` David Ahern
2017-04-24 20:40 ` [GIT PULL 00/22] perf/core improvements and fixes Ingo Molnar
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